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-rw-r--r--contrib/intarray/.gitignore4
-rw-r--r--contrib/intarray/Makefile30
-rw-r--r--contrib/intarray/_int.h191
-rw-r--r--contrib/intarray/_int_bool.c668
-rw-r--r--contrib/intarray/_int_gin.c180
-rw-r--r--contrib/intarray/_int_gist.c624
-rw-r--r--contrib/intarray/_int_op.c432
-rw-r--r--contrib/intarray/_int_selfuncs.c333
-rw-r--r--contrib/intarray/_int_tool.c410
-rw-r--r--contrib/intarray/_intbig_gist.c589
-rwxr-xr-xcontrib/intarray/bench/bench.pl138
-rwxr-xr-xcontrib/intarray/bench/create_test.pl89
-rw-r--r--contrib/intarray/data/test__int.data7000
-rw-r--r--contrib/intarray/expected/_int.out858
-rw-r--r--contrib/intarray/intarray--1.0--1.1.sql49
-rw-r--r--contrib/intarray/intarray--1.1--1.2.sql94
-rw-r--r--contrib/intarray/intarray--1.2--1.3.sql20
-rw-r--r--contrib/intarray/intarray--1.2.sql520
-rw-r--r--contrib/intarray/intarray.control6
-rw-r--r--contrib/intarray/sql/_int.sql181
20 files changed, 12416 insertions, 0 deletions
diff --git a/contrib/intarray/.gitignore b/contrib/intarray/.gitignore
new file mode 100644
index 0000000..5dcb3ff
--- /dev/null
+++ b/contrib/intarray/.gitignore
@@ -0,0 +1,4 @@
+# Generated subdirectories
+/log/
+/results/
+/tmp_check/
diff --git a/contrib/intarray/Makefile b/contrib/intarray/Makefile
new file mode 100644
index 0000000..b68959e
--- /dev/null
+++ b/contrib/intarray/Makefile
@@ -0,0 +1,30 @@
+# contrib/intarray/Makefile
+
+MODULE_big = _int
+OBJS = \
+ $(WIN32RES) \
+ _int_bool.o \
+ _int_gin.o \
+ _int_gist.o \
+ _int_op.o \
+ _int_selfuncs.o \
+ _int_tool.o \
+ _intbig_gist.o
+
+EXTENSION = intarray
+DATA = intarray--1.2--1.3.sql intarray--1.2.sql intarray--1.1--1.2.sql \
+ intarray--1.0--1.1.sql
+PGFILEDESC = "intarray - functions and operators for arrays of integers"
+
+REGRESS = _int
+
+ifdef USE_PGXS
+PG_CONFIG = pg_config
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)
+else
+subdir = contrib/intarray
+top_builddir = ../..
+include $(top_builddir)/src/Makefile.global
+include $(top_srcdir)/contrib/contrib-global.mk
+endif
diff --git a/contrib/intarray/_int.h b/contrib/intarray/_int.h
new file mode 100644
index 0000000..304c295
--- /dev/null
+++ b/contrib/intarray/_int.h
@@ -0,0 +1,191 @@
+/*
+ * contrib/intarray/_int.h
+ */
+#ifndef ___INT_H__
+#define ___INT_H__
+
+#include "utils/array.h"
+#include "utils/memutils.h"
+
+/* number ranges for compression */
+#define G_INT_NUMRANGES_DEFAULT 100
+#define G_INT_NUMRANGES_MAX ((GISTMaxIndexKeySize - VARHDRSZ) / \
+ (2 * sizeof(int32)))
+#define G_INT_GET_NUMRANGES() (PG_HAS_OPCLASS_OPTIONS() ? \
+ ((GISTIntArrayOptions *) PG_GET_OPCLASS_OPTIONS())->num_ranges : \
+ G_INT_NUMRANGES_DEFAULT)
+
+/* gist_int_ops opclass options */
+typedef struct
+{
+ int32 vl_len_; /* varlena header (do not touch directly!) */
+ int num_ranges; /* number of ranges */
+} GISTIntArrayOptions;
+
+/* useful macros for accessing int4 arrays */
+#define ARRPTR(x) ( (int32 *) ARR_DATA_PTR(x) )
+#define ARRNELEMS(x) ArrayGetNItems(ARR_NDIM(x), ARR_DIMS(x))
+
+/* reject arrays we can't handle; to wit, those containing nulls */
+#define CHECKARRVALID(x) \
+ do { \
+ if (ARR_HASNULL(x) && array_contains_nulls(x)) \
+ ereport(ERROR, \
+ (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), \
+ errmsg("array must not contain nulls"))); \
+ } while(0)
+
+#define ARRISEMPTY(x) (ARRNELEMS(x) == 0)
+
+/* sort the elements of the array */
+#define SORT(x) \
+ do { \
+ int _nelems_ = ARRNELEMS(x); \
+ if (_nelems_ > 1) \
+ isort(ARRPTR(x), _nelems_); \
+ } while(0)
+
+/* sort the elements of the array and remove duplicates */
+#define PREPAREARR(x) \
+ do { \
+ int _nelems_ = ARRNELEMS(x); \
+ if (_nelems_ > 1) \
+ if (isort(ARRPTR(x), _nelems_)) \
+ (x) = _int_unique(x); \
+ } while(0)
+
+/* "wish" function */
+#define WISH_F(a,b,c) (double)( -(double)(((a)-(b))*((a)-(b))*((a)-(b)))*(c) )
+
+
+/* bigint defines */
+#define SIGLEN_DEFAULT (63 * 4)
+#define SIGLEN_MAX GISTMaxIndexKeySize
+#define SIGLENBIT(siglen) ((siglen) * BITS_PER_BYTE)
+#define GET_SIGLEN() (PG_HAS_OPCLASS_OPTIONS() ? \
+ ((GISTIntArrayBigOptions *) PG_GET_OPCLASS_OPTIONS())->siglen : \
+ SIGLEN_DEFAULT)
+
+typedef char *BITVECP;
+
+#define LOOPBYTE(siglen) \
+ for (i = 0; i < siglen; i++)
+
+/* beware of multiple evaluation of arguments to these macros! */
+#define GETBYTE(x,i) ( *( (BITVECP)(x) + (int)( (i) / BITS_PER_BYTE ) ) )
+#define GETBITBYTE(x,i) ( (*((char*)(x)) >> (i)) & 0x01 )
+#define CLRBIT(x,i) GETBYTE(x,i) &= ~( 0x01 << ( (i) % BITS_PER_BYTE ) )
+#define SETBIT(x,i) GETBYTE(x,i) |= ( 0x01 << ( (i) % BITS_PER_BYTE ) )
+#define GETBIT(x,i) ( (GETBYTE(x,i) >> ( (i) % BITS_PER_BYTE )) & 0x01 )
+#define HASHVAL(val, siglen) (((unsigned int)(val)) % SIGLENBIT(siglen))
+#define HASH(sign, val, siglen) SETBIT((sign), HASHVAL(val, siglen))
+
+/* gist_intbig_ops opclass options */
+typedef struct
+{
+ int32 vl_len_; /* varlena header (do not touch directly!) */
+ int siglen; /* signature length in bytes */
+} GISTIntArrayBigOptions;
+
+/*
+ * type of index key
+ */
+typedef struct
+{
+ int32 vl_len_; /* varlena header (do not touch directly!) */
+ int32 flag;
+ char data[FLEXIBLE_ARRAY_MEMBER];
+} GISTTYPE;
+
+#define ALLISTRUE 0x04
+
+#define ISALLTRUE(x) ( ((GISTTYPE*)x)->flag & ALLISTRUE )
+
+#define GTHDRSIZE (VARHDRSZ + sizeof(int32))
+#define CALCGTSIZE(flag, siglen) ( GTHDRSIZE+(((flag) & ALLISTRUE) ? 0 : (siglen)) )
+
+#define GETSIGN(x) ( (BITVECP)( (char*)x+GTHDRSIZE ) )
+
+/*
+ * useful functions
+ */
+bool isort(int32 *a, int len);
+ArrayType *new_intArrayType(int num);
+ArrayType *copy_intArrayType(ArrayType *a);
+ArrayType *resize_intArrayType(ArrayType *a, int num);
+int internal_size(int *a, int len);
+ArrayType *_int_unique(ArrayType *a);
+int32 intarray_match_first(ArrayType *a, int32 elem);
+ArrayType *intarray_add_elem(ArrayType *a, int32 elem);
+ArrayType *intarray_concat_arrays(ArrayType *a, ArrayType *b);
+ArrayType *int_to_intset(int32 elem);
+bool inner_int_overlap(ArrayType *a, ArrayType *b);
+bool inner_int_contains(ArrayType *a, ArrayType *b);
+ArrayType *inner_int_union(ArrayType *a, ArrayType *b);
+ArrayType *inner_int_inter(ArrayType *a, ArrayType *b);
+void rt__int_size(ArrayType *a, float *size);
+void gensign(BITVECP sign, int *a, int len, int siglen);
+
+
+/*****************************************************************************
+ * Boolean Search
+ *****************************************************************************/
+
+#define BooleanSearchStrategy 20
+
+/*
+ * item in polish notation with back link
+ * to left operand
+ */
+typedef struct ITEM
+{
+ int16 type;
+ int16 left;
+ int32 val;
+} ITEM;
+
+typedef struct QUERYTYPE
+{
+ int32 vl_len_; /* varlena header (do not touch directly!) */
+ int32 size; /* number of ITEMs */
+ ITEM items[FLEXIBLE_ARRAY_MEMBER];
+} QUERYTYPE;
+
+#define HDRSIZEQT offsetof(QUERYTYPE, items)
+#define COMPUTESIZE(size) ( HDRSIZEQT + (size) * sizeof(ITEM) )
+#define QUERYTYPEMAXITEMS ((MaxAllocSize - HDRSIZEQT) / sizeof(ITEM))
+#define GETQUERY(x) ( (x)->items )
+
+/* "type" codes for ITEM */
+#define END 0
+#define ERR 1
+#define VAL 2
+#define OPR 3
+#define OPEN 4
+#define CLOSE 5
+
+/* fmgr macros for QUERYTYPE objects */
+#define DatumGetQueryTypeP(X) ((QUERYTYPE *) PG_DETOAST_DATUM(X))
+#define DatumGetQueryTypePCopy(X) ((QUERYTYPE *) PG_DETOAST_DATUM_COPY(X))
+#define PG_GETARG_QUERYTYPE_P(n) DatumGetQueryTypeP(PG_GETARG_DATUM(n))
+#define PG_GETARG_QUERYTYPE_P_COPY(n) DatumGetQueryTypePCopy(PG_GETARG_DATUM(n))
+
+bool signconsistent(QUERYTYPE *query, BITVECP sign, int siglen, bool calcnot);
+bool execconsistent(QUERYTYPE *query, ArrayType *array, bool calcnot);
+
+bool gin_bool_consistent(QUERYTYPE *query, bool *check);
+bool query_has_required_values(QUERYTYPE *query);
+
+int compASC(const void *a, const void *b);
+int compDESC(const void *a, const void *b);
+
+/* sort, either ascending or descending */
+#define QSORT(a, direction) \
+ do { \
+ int _nelems_ = ARRNELEMS(a); \
+ if (_nelems_ > 1) \
+ qsort((void*) ARRPTR(a), _nelems_, sizeof(int32), \
+ (direction) ? compASC : compDESC ); \
+ } while(0)
+
+#endif /* ___INT_H__ */
diff --git a/contrib/intarray/_int_bool.c b/contrib/intarray/_int_bool.c
new file mode 100644
index 0000000..4b6a310
--- /dev/null
+++ b/contrib/intarray/_int_bool.c
@@ -0,0 +1,668 @@
+/*
+ * contrib/intarray/_int_bool.c
+ */
+#include "postgres.h"
+
+#include "_int.h"
+#include "miscadmin.h"
+#include "utils/builtins.h"
+
+PG_FUNCTION_INFO_V1(bqarr_in);
+PG_FUNCTION_INFO_V1(bqarr_out);
+PG_FUNCTION_INFO_V1(boolop);
+PG_FUNCTION_INFO_V1(rboolop);
+PG_FUNCTION_INFO_V1(querytree);
+
+
+/* parser's states */
+#define WAITOPERAND 1
+#define WAITENDOPERAND 2
+#define WAITOPERATOR 3
+
+/*
+ * node of query tree, also used
+ * for storing polish notation in parser
+ */
+typedef struct NODE
+{
+ int32 type;
+ int32 val;
+ struct NODE *next;
+} NODE;
+
+typedef struct
+{
+ char *buf;
+ int32 state;
+ int32 count;
+ /* reverse polish notation in list (for temporary usage) */
+ NODE *str;
+ /* number in str */
+ int32 num;
+} WORKSTATE;
+
+/*
+ * get token from query string
+ */
+static int32
+gettoken(WORKSTATE *state, int32 *val)
+{
+ char nnn[16];
+ int innn;
+
+ *val = 0; /* default result */
+
+ innn = 0;
+ while (1)
+ {
+ if (innn >= sizeof(nnn))
+ return ERR; /* buffer overrun => syntax error */
+ switch (state->state)
+ {
+ case WAITOPERAND:
+ innn = 0;
+ if ((*(state->buf) >= '0' && *(state->buf) <= '9') ||
+ *(state->buf) == '-')
+ {
+ state->state = WAITENDOPERAND;
+ nnn[innn++] = *(state->buf);
+ }
+ else if (*(state->buf) == '!')
+ {
+ (state->buf)++;
+ *val = (int32) '!';
+ return OPR;
+ }
+ else if (*(state->buf) == '(')
+ {
+ state->count++;
+ (state->buf)++;
+ return OPEN;
+ }
+ else if (*(state->buf) != ' ')
+ return ERR;
+ break;
+ case WAITENDOPERAND:
+ if (*(state->buf) >= '0' && *(state->buf) <= '9')
+ {
+ nnn[innn++] = *(state->buf);
+ }
+ else
+ {
+ long lval;
+
+ nnn[innn] = '\0';
+ errno = 0;
+ lval = strtol(nnn, NULL, 0);
+ *val = (int32) lval;
+ if (errno != 0 || (long) *val != lval)
+ return ERR;
+ state->state = WAITOPERATOR;
+ return (state->count && *(state->buf) == '\0')
+ ? ERR : VAL;
+ }
+ break;
+ case WAITOPERATOR:
+ if (*(state->buf) == '&' || *(state->buf) == '|')
+ {
+ state->state = WAITOPERAND;
+ *val = (int32) *(state->buf);
+ (state->buf)++;
+ return OPR;
+ }
+ else if (*(state->buf) == ')')
+ {
+ (state->buf)++;
+ state->count--;
+ return (state->count < 0) ? ERR : CLOSE;
+ }
+ else if (*(state->buf) == '\0')
+ return (state->count) ? ERR : END;
+ else if (*(state->buf) != ' ')
+ return ERR;
+ break;
+ default:
+ return ERR;
+ break;
+ }
+ (state->buf)++;
+ }
+}
+
+/*
+ * push new one in polish notation reverse view
+ */
+static void
+pushquery(WORKSTATE *state, int32 type, int32 val)
+{
+ NODE *tmp = (NODE *) palloc(sizeof(NODE));
+
+ tmp->type = type;
+ tmp->val = val;
+ tmp->next = state->str;
+ state->str = tmp;
+ state->num++;
+}
+
+#define STACKDEPTH 16
+
+/*
+ * make polish notation of query
+ */
+static int32
+makepol(WORKSTATE *state)
+{
+ int32 val,
+ type;
+ int32 stack[STACKDEPTH];
+ int32 lenstack = 0;
+
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
+ while ((type = gettoken(state, &val)) != END)
+ {
+ switch (type)
+ {
+ case VAL:
+ pushquery(state, type, val);
+ while (lenstack && (stack[lenstack - 1] == (int32) '&' ||
+ stack[lenstack - 1] == (int32) '!'))
+ {
+ lenstack--;
+ pushquery(state, OPR, stack[lenstack]);
+ }
+ break;
+ case OPR:
+ if (lenstack && val == (int32) '|')
+ pushquery(state, OPR, val);
+ else
+ {
+ if (lenstack == STACKDEPTH)
+ ereport(ERROR,
+ (errcode(ERRCODE_STATEMENT_TOO_COMPLEX),
+ errmsg("statement too complex")));
+ stack[lenstack] = val;
+ lenstack++;
+ }
+ break;
+ case OPEN:
+ if (makepol(state) == ERR)
+ return ERR;
+ while (lenstack && (stack[lenstack - 1] == (int32) '&' ||
+ stack[lenstack - 1] == (int32) '!'))
+ {
+ lenstack--;
+ pushquery(state, OPR, stack[lenstack]);
+ }
+ break;
+ case CLOSE:
+ while (lenstack)
+ {
+ lenstack--;
+ pushquery(state, OPR, stack[lenstack]);
+ };
+ return END;
+ break;
+ case ERR:
+ default:
+ ereport(ERROR,
+ (errcode(ERRCODE_SYNTAX_ERROR),
+ errmsg("syntax error")));
+ return ERR;
+
+ }
+ }
+
+ while (lenstack)
+ {
+ lenstack--;
+ pushquery(state, OPR, stack[lenstack]);
+ };
+ return END;
+}
+
+typedef struct
+{
+ int32 *arrb;
+ int32 *arre;
+} CHKVAL;
+
+/*
+ * is there value 'val' in (sorted) array or not ?
+ */
+static bool
+checkcondition_arr(void *checkval, ITEM *item, void *options)
+{
+ int32 *StopLow = ((CHKVAL *) checkval)->arrb;
+ int32 *StopHigh = ((CHKVAL *) checkval)->arre;
+ int32 *StopMiddle;
+
+ /* Loop invariant: StopLow <= val < StopHigh */
+
+ while (StopLow < StopHigh)
+ {
+ StopMiddle = StopLow + (StopHigh - StopLow) / 2;
+ if (*StopMiddle == item->val)
+ return true;
+ else if (*StopMiddle < item->val)
+ StopLow = StopMiddle + 1;
+ else
+ StopHigh = StopMiddle;
+ }
+ return false;
+}
+
+static bool
+checkcondition_bit(void *checkval, ITEM *item, void *siglen)
+{
+ return GETBIT(checkval, HASHVAL(item->val, (int) (intptr_t) siglen));
+}
+
+/*
+ * evaluate boolean expression, using chkcond() to test the primitive cases
+ */
+static bool
+execute(ITEM *curitem, void *checkval, void *options, bool calcnot,
+ bool (*chkcond) (void *checkval, ITEM *item, void *options))
+{
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
+ if (curitem->type == VAL)
+ return (*chkcond) (checkval, curitem, options);
+ else if (curitem->val == (int32) '!')
+ {
+ return calcnot ?
+ ((execute(curitem - 1, checkval, options, calcnot, chkcond)) ? false : true)
+ : true;
+ }
+ else if (curitem->val == (int32) '&')
+ {
+ if (execute(curitem + curitem->left, checkval, options, calcnot, chkcond))
+ return execute(curitem - 1, checkval, options, calcnot, chkcond);
+ else
+ return false;
+ }
+ else
+ { /* |-operator */
+ if (execute(curitem + curitem->left, checkval, options, calcnot, chkcond))
+ return true;
+ else
+ return execute(curitem - 1, checkval, options, calcnot, chkcond);
+ }
+}
+
+/*
+ * signconsistent & execconsistent called by *_consistent
+ */
+bool
+signconsistent(QUERYTYPE *query, BITVECP sign, int siglen, bool calcnot)
+{
+ return execute(GETQUERY(query) + query->size - 1,
+ (void *) sign, (void *) (intptr_t) siglen, calcnot,
+ checkcondition_bit);
+}
+
+/* Array must be sorted! */
+bool
+execconsistent(QUERYTYPE *query, ArrayType *array, bool calcnot)
+{
+ CHKVAL chkval;
+
+ CHECKARRVALID(array);
+ chkval.arrb = ARRPTR(array);
+ chkval.arre = chkval.arrb + ARRNELEMS(array);
+ return execute(GETQUERY(query) + query->size - 1,
+ (void *) &chkval, NULL, calcnot,
+ checkcondition_arr);
+}
+
+typedef struct
+{
+ ITEM *first;
+ bool *mapped_check;
+} GinChkVal;
+
+static bool
+checkcondition_gin(void *checkval, ITEM *item, void *options)
+{
+ GinChkVal *gcv = (GinChkVal *) checkval;
+
+ return gcv->mapped_check[item - gcv->first];
+}
+
+bool
+gin_bool_consistent(QUERYTYPE *query, bool *check)
+{
+ GinChkVal gcv;
+ ITEM *items = GETQUERY(query);
+ int i,
+ j = 0;
+
+ if (query->size <= 0)
+ return false;
+
+ /*
+ * Set up data for checkcondition_gin. This must agree with the query
+ * extraction code in ginint4_queryextract.
+ */
+ gcv.first = items;
+ gcv.mapped_check = (bool *) palloc(sizeof(bool) * query->size);
+ for (i = 0; i < query->size; i++)
+ {
+ if (items[i].type == VAL)
+ gcv.mapped_check[i] = check[j++];
+ }
+
+ return execute(GETQUERY(query) + query->size - 1,
+ (void *) &gcv, NULL, true,
+ checkcondition_gin);
+}
+
+static bool
+contains_required_value(ITEM *curitem)
+{
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
+ if (curitem->type == VAL)
+ return true;
+ else if (curitem->val == (int32) '!')
+ {
+ /*
+ * Assume anything under a NOT is non-required. For some cases with
+ * nested NOTs, we could prove there's a required value, but it seems
+ * unlikely to be worth the trouble.
+ */
+ return false;
+ }
+ else if (curitem->val == (int32) '&')
+ {
+ /* If either side has a required value, we're good */
+ if (contains_required_value(curitem + curitem->left))
+ return true;
+ else
+ return contains_required_value(curitem - 1);
+ }
+ else
+ { /* |-operator */
+ /* Both sides must have required values */
+ if (contains_required_value(curitem + curitem->left))
+ return contains_required_value(curitem - 1);
+ else
+ return false;
+ }
+}
+
+bool
+query_has_required_values(QUERYTYPE *query)
+{
+ if (query->size <= 0)
+ return false;
+ return contains_required_value(GETQUERY(query) + query->size - 1);
+}
+
+/*
+ * boolean operations
+ */
+Datum
+rboolop(PG_FUNCTION_ARGS)
+{
+ /* just reverse the operands */
+ return DirectFunctionCall2(boolop,
+ PG_GETARG_DATUM(1),
+ PG_GETARG_DATUM(0));
+}
+
+Datum
+boolop(PG_FUNCTION_ARGS)
+{
+ ArrayType *val = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ QUERYTYPE *query = PG_GETARG_QUERYTYPE_P(1);
+ CHKVAL chkval;
+ bool result;
+
+ CHECKARRVALID(val);
+ PREPAREARR(val);
+ chkval.arrb = ARRPTR(val);
+ chkval.arre = chkval.arrb + ARRNELEMS(val);
+ result = execute(GETQUERY(query) + query->size - 1,
+ &chkval, NULL, true,
+ checkcondition_arr);
+ pfree(val);
+
+ PG_FREE_IF_COPY(query, 1);
+ PG_RETURN_BOOL(result);
+}
+
+static void
+findoprnd(ITEM *ptr, int32 *pos)
+{
+ /* since this function recurses, it could be driven to stack overflow. */
+ check_stack_depth();
+
+#ifdef BS_DEBUG
+ elog(DEBUG3, (ptr[*pos].type == OPR) ?
+ "%d %c" : "%d %d", *pos, ptr[*pos].val);
+#endif
+ if (ptr[*pos].type == VAL)
+ {
+ ptr[*pos].left = 0;
+ (*pos)--;
+ }
+ else if (ptr[*pos].val == (int32) '!')
+ {
+ ptr[*pos].left = -1;
+ (*pos)--;
+ findoprnd(ptr, pos);
+ }
+ else
+ {
+ ITEM *curitem = &ptr[*pos];
+ int32 tmp = *pos;
+
+ (*pos)--;
+ findoprnd(ptr, pos);
+ curitem->left = *pos - tmp;
+ findoprnd(ptr, pos);
+ }
+}
+
+
+/*
+ * input
+ */
+Datum
+bqarr_in(PG_FUNCTION_ARGS)
+{
+ char *buf = (char *) PG_GETARG_POINTER(0);
+ WORKSTATE state;
+ int32 i;
+ QUERYTYPE *query;
+ int32 commonlen;
+ ITEM *ptr;
+ NODE *tmp;
+ int32 pos = 0;
+
+#ifdef BS_DEBUG
+ StringInfoData pbuf;
+#endif
+
+ state.buf = buf;
+ state.state = WAITOPERAND;
+ state.count = 0;
+ state.num = 0;
+ state.str = NULL;
+
+ /* make polish notation (postfix, but in reverse order) */
+ makepol(&state);
+ if (!state.num)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("empty query")));
+
+ if (state.num > QUERYTYPEMAXITEMS)
+ ereport(ERROR,
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("number of query items (%d) exceeds the maximum allowed (%d)",
+ state.num, (int) QUERYTYPEMAXITEMS)));
+ commonlen = COMPUTESIZE(state.num);
+
+ query = (QUERYTYPE *) palloc(commonlen);
+ SET_VARSIZE(query, commonlen);
+ query->size = state.num;
+ ptr = GETQUERY(query);
+
+ for (i = state.num - 1; i >= 0; i--)
+ {
+ ptr[i].type = state.str->type;
+ ptr[i].val = state.str->val;
+ tmp = state.str->next;
+ pfree(state.str);
+ state.str = tmp;
+ }
+
+ pos = query->size - 1;
+ findoprnd(ptr, &pos);
+#ifdef BS_DEBUG
+ initStringInfo(&pbuf);
+ for (i = 0; i < query->size; i++)
+ {
+ if (ptr[i].type == OPR)
+ appendStringInfo(&pbuf, "%c(%d) ", ptr[i].val, ptr[i].left);
+ else
+ appendStringInfo(&pbuf, "%d ", ptr[i].val);
+ }
+ elog(DEBUG3, "POR: %s", pbuf.data);
+ pfree(pbuf.data);
+#endif
+
+ PG_RETURN_POINTER(query);
+}
+
+
+/*
+ * out function
+ */
+typedef struct
+{
+ ITEM *curpol;
+ char *buf;
+ char *cur;
+ int32 buflen;
+} INFIX;
+
+#define RESIZEBUF(inf,addsize) while( ( (inf)->cur - (inf)->buf ) + (addsize) + 1 >= (inf)->buflen ) { \
+ int32 len = inf->cur - inf->buf; \
+ inf->buflen *= 2; \
+ inf->buf = (char*) repalloc( (void*)inf->buf, inf->buflen ); \
+ inf->cur = inf->buf + len; \
+}
+
+static void
+infix(INFIX *in, bool first)
+{
+ /* since this function recurses, it could be driven to stack overflow. */
+ check_stack_depth();
+
+ if (in->curpol->type == VAL)
+ {
+ RESIZEBUF(in, 11);
+ sprintf(in->cur, "%d", in->curpol->val);
+ in->cur = strchr(in->cur, '\0');
+ in->curpol--;
+ }
+ else if (in->curpol->val == (int32) '!')
+ {
+ bool isopr = false;
+
+ RESIZEBUF(in, 1);
+ *(in->cur) = '!';
+ in->cur++;
+ *(in->cur) = '\0';
+ in->curpol--;
+ if (in->curpol->type == OPR)
+ {
+ isopr = true;
+ RESIZEBUF(in, 2);
+ sprintf(in->cur, "( ");
+ in->cur = strchr(in->cur, '\0');
+ }
+ infix(in, isopr);
+ if (isopr)
+ {
+ RESIZEBUF(in, 2);
+ sprintf(in->cur, " )");
+ in->cur = strchr(in->cur, '\0');
+ }
+ }
+ else
+ {
+ int32 op = in->curpol->val;
+ INFIX nrm;
+
+ in->curpol--;
+ if (op == (int32) '|' && !first)
+ {
+ RESIZEBUF(in, 2);
+ sprintf(in->cur, "( ");
+ in->cur = strchr(in->cur, '\0');
+ }
+
+ nrm.curpol = in->curpol;
+ nrm.buflen = 16;
+ nrm.cur = nrm.buf = (char *) palloc(sizeof(char) * nrm.buflen);
+
+ /* get right operand */
+ infix(&nrm, false);
+
+ /* get & print left operand */
+ in->curpol = nrm.curpol;
+ infix(in, false);
+
+ /* print operator & right operand */
+ RESIZEBUF(in, 3 + (nrm.cur - nrm.buf));
+ sprintf(in->cur, " %c %s", op, nrm.buf);
+ in->cur = strchr(in->cur, '\0');
+ pfree(nrm.buf);
+
+ if (op == (int32) '|' && !first)
+ {
+ RESIZEBUF(in, 2);
+ sprintf(in->cur, " )");
+ in->cur = strchr(in->cur, '\0');
+ }
+ }
+}
+
+
+Datum
+bqarr_out(PG_FUNCTION_ARGS)
+{
+ QUERYTYPE *query = PG_GETARG_QUERYTYPE_P(0);
+ INFIX nrm;
+
+ if (query->size == 0)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("empty query")));
+
+ nrm.curpol = GETQUERY(query) + query->size - 1;
+ nrm.buflen = 32;
+ nrm.cur = nrm.buf = (char *) palloc(sizeof(char) * nrm.buflen);
+ *(nrm.cur) = '\0';
+ infix(&nrm, true);
+
+ PG_FREE_IF_COPY(query, 0);
+ PG_RETURN_POINTER(nrm.buf);
+}
+
+
+/* Useless old "debugging" function for a fundamentally wrong algorithm */
+Datum
+querytree(PG_FUNCTION_ARGS)
+{
+ elog(ERROR, "querytree is no longer implemented");
+ PG_RETURN_NULL();
+}
diff --git a/contrib/intarray/_int_gin.c b/contrib/intarray/_int_gin.c
new file mode 100644
index 0000000..b7958d8
--- /dev/null
+++ b/contrib/intarray/_int_gin.c
@@ -0,0 +1,180 @@
+/*
+ * contrib/intarray/_int_gin.c
+ */
+#include "postgres.h"
+
+#include "_int.h"
+#include "access/gin.h"
+#include "access/stratnum.h"
+
+PG_FUNCTION_INFO_V1(ginint4_queryextract);
+
+Datum
+ginint4_queryextract(PG_FUNCTION_ARGS)
+{
+ int32 *nentries = (int32 *) PG_GETARG_POINTER(1);
+ StrategyNumber strategy = PG_GETARG_UINT16(2);
+ int32 *searchMode = (int32 *) PG_GETARG_POINTER(6);
+ Datum *res = NULL;
+
+ *nentries = 0;
+
+ if (strategy == BooleanSearchStrategy)
+ {
+ QUERYTYPE *query = PG_GETARG_QUERYTYPE_P(0);
+ ITEM *items = GETQUERY(query);
+ int i;
+
+ /* empty query must fail */
+ if (query->size <= 0)
+ PG_RETURN_POINTER(NULL);
+
+ /*
+ * If the query doesn't have any required primitive values (for
+ * instance, it's something like '! 42'), we have to do a full index
+ * scan.
+ */
+ if (query_has_required_values(query))
+ *searchMode = GIN_SEARCH_MODE_DEFAULT;
+ else
+ *searchMode = GIN_SEARCH_MODE_ALL;
+
+ /*
+ * Extract all the VAL items as things we want GIN to check for.
+ */
+ res = (Datum *) palloc(sizeof(Datum) * query->size);
+ *nentries = 0;
+
+ for (i = 0; i < query->size; i++)
+ {
+ if (items[i].type == VAL)
+ {
+ res[*nentries] = Int32GetDatum(items[i].val);
+ (*nentries)++;
+ }
+ }
+ }
+ else
+ {
+ ArrayType *query = PG_GETARG_ARRAYTYPE_P(0);
+
+ CHECKARRVALID(query);
+ *nentries = ARRNELEMS(query);
+ if (*nentries > 0)
+ {
+ int32 *arr;
+ int32 i;
+
+ res = (Datum *) palloc(sizeof(Datum) * (*nentries));
+
+ arr = ARRPTR(query);
+ for (i = 0; i < *nentries; i++)
+ res[i] = Int32GetDatum(arr[i]);
+ }
+
+ switch (strategy)
+ {
+ case RTOverlapStrategyNumber:
+ *searchMode = GIN_SEARCH_MODE_DEFAULT;
+ break;
+ case RTContainedByStrategyNumber:
+ case RTOldContainedByStrategyNumber:
+ /* empty set is contained in everything */
+ *searchMode = GIN_SEARCH_MODE_INCLUDE_EMPTY;
+ break;
+ case RTSameStrategyNumber:
+ if (*nentries > 0)
+ *searchMode = GIN_SEARCH_MODE_DEFAULT;
+ else
+ *searchMode = GIN_SEARCH_MODE_INCLUDE_EMPTY;
+ break;
+ case RTContainsStrategyNumber:
+ case RTOldContainsStrategyNumber:
+ if (*nentries > 0)
+ *searchMode = GIN_SEARCH_MODE_DEFAULT;
+ else /* everything contains the empty set */
+ *searchMode = GIN_SEARCH_MODE_ALL;
+ break;
+ default:
+ elog(ERROR, "ginint4_queryextract: unknown strategy number: %d",
+ strategy);
+ }
+ }
+
+ PG_RETURN_POINTER(res);
+}
+
+PG_FUNCTION_INFO_V1(ginint4_consistent);
+
+Datum
+ginint4_consistent(PG_FUNCTION_ARGS)
+{
+ bool *check = (bool *) PG_GETARG_POINTER(0);
+ StrategyNumber strategy = PG_GETARG_UINT16(1);
+ int32 nkeys = PG_GETARG_INT32(3);
+
+ /* Pointer *extra_data = (Pointer *) PG_GETARG_POINTER(4); */
+ bool *recheck = (bool *) PG_GETARG_POINTER(5);
+ bool res = false;
+ int32 i;
+
+ switch (strategy)
+ {
+ case RTOverlapStrategyNumber:
+ /* result is not lossy */
+ *recheck = false;
+ /* at least one element in check[] is true, so result = true */
+ res = true;
+ break;
+ case RTContainedByStrategyNumber:
+ case RTOldContainedByStrategyNumber:
+ /* we will need recheck */
+ *recheck = true;
+ /* at least one element in check[] is true, so result = true */
+ res = true;
+ break;
+ case RTSameStrategyNumber:
+ /* we will need recheck */
+ *recheck = true;
+ /* Must have all elements in check[] true */
+ res = true;
+ for (i = 0; i < nkeys; i++)
+ {
+ if (!check[i])
+ {
+ res = false;
+ break;
+ }
+ }
+ break;
+ case RTContainsStrategyNumber:
+ case RTOldContainsStrategyNumber:
+ /* result is not lossy */
+ *recheck = false;
+ /* Must have all elements in check[] true */
+ res = true;
+ for (i = 0; i < nkeys; i++)
+ {
+ if (!check[i])
+ {
+ res = false;
+ break;
+ }
+ }
+ break;
+ case BooleanSearchStrategy:
+ {
+ QUERYTYPE *query = PG_GETARG_QUERYTYPE_P(2);
+
+ /* result is not lossy */
+ *recheck = false;
+ res = gin_bool_consistent(query, check);
+ }
+ break;
+ default:
+ elog(ERROR, "ginint4_consistent: unknown strategy number: %d",
+ strategy);
+ }
+
+ PG_RETURN_BOOL(res);
+}
diff --git a/contrib/intarray/_int_gist.c b/contrib/intarray/_int_gist.c
new file mode 100644
index 0000000..fb05b06
--- /dev/null
+++ b/contrib/intarray/_int_gist.c
@@ -0,0 +1,624 @@
+/*
+ * contrib/intarray/_int_gist.c
+ */
+#include "postgres.h"
+
+#include <limits.h>
+
+#include "_int.h"
+#include "access/gist.h"
+#include "access/reloptions.h"
+#include "access/stratnum.h"
+
+#define GETENTRY(vec,pos) ((ArrayType *) DatumGetPointer((vec)->vector[(pos)].key))
+
+/*
+ * Control the maximum sparseness of compressed keys.
+ *
+ * The upper safe bound for this limit is half the maximum allocatable array
+ * size. A lower bound would give more guarantees that pathological data
+ * wouldn't eat excessive CPU and memory, but at the expense of breaking
+ * possibly working (after a fashion) indexes.
+ */
+#define MAXNUMELTS (Min((MaxAllocSize / sizeof(Datum)),((MaxAllocSize - ARR_OVERHEAD_NONULLS(1)) / sizeof(int)))/2)
+/* or: #define MAXNUMELTS 1000000 */
+
+/*
+** GiST support methods
+*/
+PG_FUNCTION_INFO_V1(g_int_consistent);
+PG_FUNCTION_INFO_V1(g_int_compress);
+PG_FUNCTION_INFO_V1(g_int_decompress);
+PG_FUNCTION_INFO_V1(g_int_penalty);
+PG_FUNCTION_INFO_V1(g_int_picksplit);
+PG_FUNCTION_INFO_V1(g_int_union);
+PG_FUNCTION_INFO_V1(g_int_same);
+PG_FUNCTION_INFO_V1(g_int_options);
+
+
+/*
+** The GiST Consistent method for _intments
+** Should return false if for all data items x below entry,
+** the predicate x op query == false, where op is the oper
+** corresponding to strategy in the pg_amop table.
+*/
+Datum
+g_int_consistent(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ ArrayType *query = PG_GETARG_ARRAYTYPE_P_COPY(1);
+ StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+ /* Oid subtype = PG_GETARG_OID(3); */
+ bool *recheck = (bool *) PG_GETARG_POINTER(4);
+ bool retval;
+
+ /* this is exact except for RTSameStrategyNumber */
+ *recheck = (strategy == RTSameStrategyNumber);
+
+ if (strategy == BooleanSearchStrategy)
+ {
+ retval = execconsistent((QUERYTYPE *) query,
+ (ArrayType *) DatumGetPointer(entry->key),
+ GIST_LEAF(entry));
+
+ pfree(query);
+ PG_RETURN_BOOL(retval);
+ }
+
+ /* sort query for fast search, key is already sorted */
+ CHECKARRVALID(query);
+ PREPAREARR(query);
+
+ switch (strategy)
+ {
+ case RTOverlapStrategyNumber:
+ retval = inner_int_overlap((ArrayType *) DatumGetPointer(entry->key),
+ query);
+ break;
+ case RTSameStrategyNumber:
+ if (GIST_LEAF(entry))
+ DirectFunctionCall3(g_int_same,
+ entry->key,
+ PointerGetDatum(query),
+ PointerGetDatum(&retval));
+ else
+ retval = inner_int_contains((ArrayType *) DatumGetPointer(entry->key),
+ query);
+ break;
+ case RTContainsStrategyNumber:
+ case RTOldContainsStrategyNumber:
+ retval = inner_int_contains((ArrayType *) DatumGetPointer(entry->key),
+ query);
+ break;
+ case RTContainedByStrategyNumber:
+ case RTOldContainedByStrategyNumber:
+ if (GIST_LEAF(entry))
+ retval = inner_int_contains(query,
+ (ArrayType *) DatumGetPointer(entry->key));
+ else
+ {
+ /*
+ * Unfortunately, because empty arrays could be anywhere in
+ * the index, we must search the whole tree.
+ */
+ retval = true;
+ }
+ break;
+ default:
+ retval = false;
+ }
+ pfree(query);
+ PG_RETURN_BOOL(retval);
+}
+
+Datum
+g_int_union(PG_FUNCTION_ARGS)
+{
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+ int *size = (int *) PG_GETARG_POINTER(1);
+ int32 i,
+ *ptr;
+ ArrayType *res;
+ int totlen = 0;
+
+ for (i = 0; i < entryvec->n; i++)
+ {
+ ArrayType *ent = GETENTRY(entryvec, i);
+
+ CHECKARRVALID(ent);
+ totlen += ARRNELEMS(ent);
+ }
+
+ res = new_intArrayType(totlen);
+ ptr = ARRPTR(res);
+
+ for (i = 0; i < entryvec->n; i++)
+ {
+ ArrayType *ent = GETENTRY(entryvec, i);
+ int nel;
+
+ nel = ARRNELEMS(ent);
+ memcpy(ptr, ARRPTR(ent), nel * sizeof(int32));
+ ptr += nel;
+ }
+
+ QSORT(res, 1);
+ res = _int_unique(res);
+ *size = VARSIZE(res);
+ PG_RETURN_POINTER(res);
+}
+
+/*
+** GiST Compress and Decompress methods
+*/
+Datum
+g_int_compress(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ GISTENTRY *retval;
+ ArrayType *r;
+ int num_ranges = G_INT_GET_NUMRANGES();
+ int len,
+ lenr;
+ int *dr;
+ int i,
+ j,
+ cand;
+ int64 min;
+
+ if (entry->leafkey)
+ {
+ r = DatumGetArrayTypePCopy(entry->key);
+ CHECKARRVALID(r);
+ PREPAREARR(r);
+
+ if (ARRNELEMS(r) >= 2 * num_ranges)
+ elog(NOTICE, "input array is too big (%d maximum allowed, %d current), use gist__intbig_ops opclass instead",
+ 2 * num_ranges - 1, ARRNELEMS(r));
+
+ retval = palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(r),
+ entry->rel, entry->page, entry->offset, false);
+
+ PG_RETURN_POINTER(retval);
+ }
+
+ /*
+ * leaf entries never compress one more time, only when entry->leafkey
+ * ==true, so now we work only with internal keys
+ */
+
+ r = DatumGetArrayTypeP(entry->key);
+ CHECKARRVALID(r);
+ if (ARRISEMPTY(r))
+ {
+ if (r != (ArrayType *) DatumGetPointer(entry->key))
+ pfree(r);
+ PG_RETURN_POINTER(entry);
+ }
+
+ if ((len = ARRNELEMS(r)) >= 2 * num_ranges)
+ { /* compress */
+ if (r == (ArrayType *) DatumGetPointer(entry->key))
+ r = DatumGetArrayTypePCopy(entry->key);
+ r = resize_intArrayType(r, 2 * (len));
+
+ dr = ARRPTR(r);
+
+ /*
+ * "len" at this point is the number of ranges we will construct.
+ * "lenr" is the number of ranges we must eventually remove by
+ * merging, we must be careful to remove no more than this number.
+ */
+ lenr = len - num_ranges;
+
+ /*
+ * Initially assume we can merge consecutive ints into a range. but we
+ * must count every value removed and stop when lenr runs out
+ */
+ for (j = i = len - 1; i > 0 && lenr > 0; i--, j--)
+ {
+ int r_end = dr[i];
+ int r_start = r_end;
+
+ while (i > 0 && lenr > 0 && dr[i - 1] == r_start - 1)
+ --r_start, --i, --lenr;
+ dr[2 * j] = r_start;
+ dr[2 * j + 1] = r_end;
+ }
+ /* just copy the rest, if any, as trivial ranges */
+ for (; i >= 0; i--, j--)
+ dr[2 * j] = dr[2 * j + 1] = dr[i];
+
+ if (++j)
+ {
+ /*
+ * shunt everything down to start at the right place
+ */
+ memmove((void *) &dr[0], (void *) &dr[2 * j], 2 * (len - j) * sizeof(int32));
+ }
+
+ /*
+ * make "len" be number of array elements, not ranges
+ */
+ len = 2 * (len - j);
+ cand = 1;
+ while (len > num_ranges * 2)
+ {
+ min = PG_INT64_MAX;
+ for (i = 2; i < len; i += 2)
+ if (min > ((int64) dr[i] - (int64) dr[i - 1]))
+ {
+ min = ((int64) dr[i] - (int64) dr[i - 1]);
+ cand = i;
+ }
+ memmove((void *) &dr[cand - 1], (void *) &dr[cand + 1], (len - cand - 1) * sizeof(int32));
+ len -= 2;
+ }
+
+ /*
+ * check sparseness of result
+ */
+ lenr = internal_size(dr, len);
+ if (lenr < 0 || lenr > MAXNUMELTS)
+ ereport(ERROR,
+ (errmsg("data is too sparse, recreate index using gist__intbig_ops opclass instead")));
+
+ r = resize_intArrayType(r, len);
+ retval = palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(r),
+ entry->rel, entry->page, entry->offset, false);
+ PG_RETURN_POINTER(retval);
+ }
+ else
+ PG_RETURN_POINTER(entry);
+}
+
+Datum
+g_int_decompress(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ GISTENTRY *retval;
+ ArrayType *r;
+ int num_ranges = G_INT_GET_NUMRANGES();
+ int *dr,
+ lenr;
+ ArrayType *in;
+ int lenin;
+ int *din;
+ int i,
+ j;
+
+ in = DatumGetArrayTypeP(entry->key);
+
+ CHECKARRVALID(in);
+ if (ARRISEMPTY(in))
+ {
+ if (in != (ArrayType *) DatumGetPointer(entry->key))
+ {
+ retval = palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(in),
+ entry->rel, entry->page, entry->offset, false);
+ PG_RETURN_POINTER(retval);
+ }
+
+ PG_RETURN_POINTER(entry);
+ }
+
+ lenin = ARRNELEMS(in);
+
+ if (lenin < 2 * num_ranges)
+ { /* not compressed value */
+ if (in != (ArrayType *) DatumGetPointer(entry->key))
+ {
+ retval = palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(in),
+ entry->rel, entry->page, entry->offset, false);
+
+ PG_RETURN_POINTER(retval);
+ }
+ PG_RETURN_POINTER(entry);
+ }
+
+ din = ARRPTR(in);
+ lenr = internal_size(din, lenin);
+ if (lenr < 0 || lenr > MAXNUMELTS)
+ ereport(ERROR,
+ (errmsg("compressed array is too big, recreate index using gist__intbig_ops opclass instead")));
+
+ r = new_intArrayType(lenr);
+ dr = ARRPTR(r);
+
+ for (i = 0; i < lenin; i += 2)
+ for (j = din[i]; j <= din[i + 1]; j++)
+ if ((!i) || *(dr - 1) != j)
+ *dr++ = j;
+
+ if (in != (ArrayType *) DatumGetPointer(entry->key))
+ pfree(in);
+ retval = palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(r),
+ entry->rel, entry->page, entry->offset, false);
+
+ PG_RETURN_POINTER(retval);
+}
+
+/*
+** The GiST Penalty method for _intments
+*/
+Datum
+g_int_penalty(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *origentry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ GISTENTRY *newentry = (GISTENTRY *) PG_GETARG_POINTER(1);
+ float *result = (float *) PG_GETARG_POINTER(2);
+ ArrayType *ud;
+ float tmp1,
+ tmp2;
+
+ ud = inner_int_union((ArrayType *) DatumGetPointer(origentry->key),
+ (ArrayType *) DatumGetPointer(newentry->key));
+ rt__int_size(ud, &tmp1);
+ rt__int_size((ArrayType *) DatumGetPointer(origentry->key), &tmp2);
+ *result = tmp1 - tmp2;
+ pfree(ud);
+
+ PG_RETURN_POINTER(result);
+}
+
+
+
+Datum
+g_int_same(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P(1);
+ bool *result = (bool *) PG_GETARG_POINTER(2);
+ int32 n = ARRNELEMS(a);
+ int32 *da,
+ *db;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+
+ if (n != ARRNELEMS(b))
+ {
+ *result = false;
+ PG_RETURN_POINTER(result);
+ }
+ *result = true;
+ da = ARRPTR(a);
+ db = ARRPTR(b);
+ while (n--)
+ {
+ if (*da++ != *db++)
+ {
+ *result = false;
+ break;
+ }
+ }
+
+ PG_RETURN_POINTER(result);
+}
+
+/*****************************************************************
+** Common GiST Method
+*****************************************************************/
+
+typedef struct
+{
+ OffsetNumber pos;
+ float cost;
+} SPLITCOST;
+
+static int
+comparecost(const void *a, const void *b)
+{
+ if (((const SPLITCOST *) a)->cost == ((const SPLITCOST *) b)->cost)
+ return 0;
+ else
+ return (((const SPLITCOST *) a)->cost > ((const SPLITCOST *) b)->cost) ? 1 : -1;
+}
+
+/*
+** The GiST PickSplit method for _intments
+** We use Guttman's poly time split algorithm
+*/
+Datum
+g_int_picksplit(PG_FUNCTION_ARGS)
+{
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+ GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
+ OffsetNumber i,
+ j;
+ ArrayType *datum_alpha,
+ *datum_beta;
+ ArrayType *datum_l,
+ *datum_r;
+ ArrayType *union_d,
+ *union_dl,
+ *union_dr;
+ ArrayType *inter_d;
+ bool firsttime;
+ float size_alpha,
+ size_beta,
+ size_union,
+ size_inter;
+ float size_waste,
+ waste;
+ float size_l,
+ size_r;
+ int nbytes;
+ OffsetNumber seed_1 = 0,
+ seed_2 = 0;
+ OffsetNumber *left,
+ *right;
+ OffsetNumber maxoff;
+ SPLITCOST *costvector;
+
+#ifdef GIST_DEBUG
+ elog(DEBUG3, "--------picksplit %d", entryvec->n);
+#endif
+
+ maxoff = entryvec->n - 2;
+ nbytes = (maxoff + 2) * sizeof(OffsetNumber);
+ v->spl_left = (OffsetNumber *) palloc(nbytes);
+ v->spl_right = (OffsetNumber *) palloc(nbytes);
+
+ firsttime = true;
+ waste = 0.0;
+ for (i = FirstOffsetNumber; i < maxoff; i = OffsetNumberNext(i))
+ {
+ datum_alpha = GETENTRY(entryvec, i);
+ for (j = OffsetNumberNext(i); j <= maxoff; j = OffsetNumberNext(j))
+ {
+ datum_beta = GETENTRY(entryvec, j);
+
+ /* compute the wasted space by unioning these guys */
+ /* size_waste = size_union - size_inter; */
+ union_d = inner_int_union(datum_alpha, datum_beta);
+ rt__int_size(union_d, &size_union);
+ inter_d = inner_int_inter(datum_alpha, datum_beta);
+ rt__int_size(inter_d, &size_inter);
+ size_waste = size_union - size_inter;
+
+ pfree(union_d);
+ pfree(inter_d);
+
+ /*
+ * are these a more promising split that what we've already seen?
+ */
+
+ if (size_waste > waste || firsttime)
+ {
+ waste = size_waste;
+ seed_1 = i;
+ seed_2 = j;
+ firsttime = false;
+ }
+ }
+ }
+
+ left = v->spl_left;
+ v->spl_nleft = 0;
+ right = v->spl_right;
+ v->spl_nright = 0;
+ if (seed_1 == 0 || seed_2 == 0)
+ {
+ seed_1 = 1;
+ seed_2 = 2;
+ }
+
+ datum_alpha = GETENTRY(entryvec, seed_1);
+ datum_l = copy_intArrayType(datum_alpha);
+ rt__int_size(datum_l, &size_l);
+ datum_beta = GETENTRY(entryvec, seed_2);
+ datum_r = copy_intArrayType(datum_beta);
+ rt__int_size(datum_r, &size_r);
+
+ maxoff = OffsetNumberNext(maxoff);
+
+ /*
+ * sort entries
+ */
+ costvector = (SPLITCOST *) palloc(sizeof(SPLITCOST) * maxoff);
+ for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i))
+ {
+ costvector[i - 1].pos = i;
+ datum_alpha = GETENTRY(entryvec, i);
+ union_d = inner_int_union(datum_l, datum_alpha);
+ rt__int_size(union_d, &size_alpha);
+ pfree(union_d);
+ union_d = inner_int_union(datum_r, datum_alpha);
+ rt__int_size(union_d, &size_beta);
+ pfree(union_d);
+ costvector[i - 1].cost = Abs((size_alpha - size_l) - (size_beta - size_r));
+ }
+ qsort((void *) costvector, maxoff, sizeof(SPLITCOST), comparecost);
+
+ /*
+ * Now split up the regions between the two seeds. An important property
+ * of this split algorithm is that the split vector v has the indices of
+ * items to be split in order in its left and right vectors. We exploit
+ * this property by doing a merge in the code that actually splits the
+ * page.
+ *
+ * For efficiency, we also place the new index tuple in this loop. This is
+ * handled at the very end, when we have placed all the existing tuples
+ * and i == maxoff + 1.
+ */
+
+
+ for (j = 0; j < maxoff; j++)
+ {
+ i = costvector[j].pos;
+
+ /*
+ * If we've already decided where to place this item, just put it on
+ * the right list. Otherwise, we need to figure out which page needs
+ * the least enlargement in order to store the item.
+ */
+
+ if (i == seed_1)
+ {
+ *left++ = i;
+ v->spl_nleft++;
+ continue;
+ }
+ else if (i == seed_2)
+ {
+ *right++ = i;
+ v->spl_nright++;
+ continue;
+ }
+
+ /* okay, which page needs least enlargement? */
+ datum_alpha = GETENTRY(entryvec, i);
+ union_dl = inner_int_union(datum_l, datum_alpha);
+ union_dr = inner_int_union(datum_r, datum_alpha);
+ rt__int_size(union_dl, &size_alpha);
+ rt__int_size(union_dr, &size_beta);
+
+ /* pick which page to add it to */
+ if (size_alpha - size_l < size_beta - size_r + WISH_F(v->spl_nleft, v->spl_nright, 0.01))
+ {
+ pfree(datum_l);
+ pfree(union_dr);
+ datum_l = union_dl;
+ size_l = size_alpha;
+ *left++ = i;
+ v->spl_nleft++;
+ }
+ else
+ {
+ pfree(datum_r);
+ pfree(union_dl);
+ datum_r = union_dr;
+ size_r = size_beta;
+ *right++ = i;
+ v->spl_nright++;
+ }
+ }
+ pfree(costvector);
+ *right = *left = FirstOffsetNumber;
+
+ v->spl_ldatum = PointerGetDatum(datum_l);
+ v->spl_rdatum = PointerGetDatum(datum_r);
+
+ PG_RETURN_POINTER(v);
+}
+
+Datum
+g_int_options(PG_FUNCTION_ARGS)
+{
+ local_relopts *relopts = (local_relopts *) PG_GETARG_POINTER(0);
+
+ init_local_reloptions(relopts, sizeof(GISTIntArrayOptions));
+ add_local_int_reloption(relopts, "numranges",
+ "number of ranges for compression",
+ G_INT_NUMRANGES_DEFAULT, 1, G_INT_NUMRANGES_MAX,
+ offsetof(GISTIntArrayOptions, num_ranges));
+
+ PG_RETURN_VOID();
+}
diff --git a/contrib/intarray/_int_op.c b/contrib/intarray/_int_op.c
new file mode 100644
index 0000000..5b164f6
--- /dev/null
+++ b/contrib/intarray/_int_op.c
@@ -0,0 +1,432 @@
+/*
+ * contrib/intarray/_int_op.c
+ */
+#include "postgres.h"
+
+#include "_int.h"
+
+PG_MODULE_MAGIC;
+
+PG_FUNCTION_INFO_V1(_int_different);
+PG_FUNCTION_INFO_V1(_int_same);
+PG_FUNCTION_INFO_V1(_int_contains);
+PG_FUNCTION_INFO_V1(_int_contained);
+PG_FUNCTION_INFO_V1(_int_overlap);
+PG_FUNCTION_INFO_V1(_int_union);
+PG_FUNCTION_INFO_V1(_int_inter);
+
+Datum
+_int_contained(PG_FUNCTION_ARGS)
+{
+ /* just reverse the operands and call _int_contains */
+ return DirectFunctionCall2(_int_contains,
+ PG_GETARG_DATUM(1),
+ PG_GETARG_DATUM(0));
+}
+
+Datum
+_int_contains(PG_FUNCTION_ARGS)
+{
+ /* Force copy so we can modify the arrays in-place */
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P_COPY(1);
+ bool res;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+ PREPAREARR(a);
+ PREPAREARR(b);
+ res = inner_int_contains(a, b);
+ pfree(a);
+ pfree(b);
+ PG_RETURN_BOOL(res);
+}
+
+Datum
+_int_different(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_BOOL(!DatumGetBool(DirectFunctionCall2(_int_same,
+ PointerGetDatum(PG_GETARG_POINTER(0)),
+ PointerGetDatum(PG_GETARG_POINTER(1)))));
+}
+
+Datum
+_int_same(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P_COPY(1);
+ int na,
+ nb;
+ int n;
+ int *da,
+ *db;
+ bool result;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+ na = ARRNELEMS(a);
+ nb = ARRNELEMS(b);
+ da = ARRPTR(a);
+ db = ARRPTR(b);
+
+ result = false;
+
+ if (na == nb)
+ {
+ SORT(a);
+ SORT(b);
+ result = true;
+
+ for (n = 0; n < na; n++)
+ {
+ if (da[n] != db[n])
+ {
+ result = false;
+ break;
+ }
+ }
+ }
+
+ pfree(a);
+ pfree(b);
+
+ PG_RETURN_BOOL(result);
+}
+
+/* _int_overlap -- does a overlap b?
+ */
+Datum
+_int_overlap(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P_COPY(1);
+ bool result;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+ if (ARRISEMPTY(a) || ARRISEMPTY(b))
+ return false;
+
+ SORT(a);
+ SORT(b);
+
+ result = inner_int_overlap(a, b);
+
+ pfree(a);
+ pfree(b);
+
+ PG_RETURN_BOOL(result);
+}
+
+Datum
+_int_union(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P_COPY(1);
+ ArrayType *result;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+
+ SORT(a);
+ SORT(b);
+
+ result = inner_int_union(a, b);
+
+ pfree(a);
+ pfree(b);
+
+ PG_RETURN_POINTER(result);
+}
+
+Datum
+_int_inter(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P_COPY(1);
+ ArrayType *result;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+
+ SORT(a);
+ SORT(b);
+
+ result = inner_int_inter(a, b);
+
+ pfree(a);
+ pfree(b);
+
+ PG_RETURN_POINTER(result);
+}
+
+
+PG_FUNCTION_INFO_V1(intset);
+PG_FUNCTION_INFO_V1(icount);
+PG_FUNCTION_INFO_V1(sort);
+PG_FUNCTION_INFO_V1(sort_asc);
+PG_FUNCTION_INFO_V1(sort_desc);
+PG_FUNCTION_INFO_V1(uniq);
+PG_FUNCTION_INFO_V1(idx);
+PG_FUNCTION_INFO_V1(subarray);
+PG_FUNCTION_INFO_V1(intarray_push_elem);
+PG_FUNCTION_INFO_V1(intarray_push_array);
+PG_FUNCTION_INFO_V1(intarray_del_elem);
+PG_FUNCTION_INFO_V1(intset_union_elem);
+PG_FUNCTION_INFO_V1(intset_subtract);
+
+Datum
+intset(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_POINTER(int_to_intset(PG_GETARG_INT32(0)));
+}
+
+Datum
+icount(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P(0);
+ int32 count = ARRNELEMS(a);
+
+ PG_FREE_IF_COPY(a, 0);
+ PG_RETURN_INT32(count);
+}
+
+Datum
+sort(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ text *dirstr = (fcinfo->nargs == 2) ? PG_GETARG_TEXT_PP(1) : NULL;
+ int32 dc = (dirstr) ? VARSIZE_ANY_EXHDR(dirstr) : 0;
+ char *d = (dirstr) ? VARDATA_ANY(dirstr) : NULL;
+ int dir = -1;
+
+ CHECKARRVALID(a);
+ if (ARRNELEMS(a) < 2)
+ PG_RETURN_POINTER(a);
+
+ if (dirstr == NULL || (dc == 3
+ && (d[0] == 'A' || d[0] == 'a')
+ && (d[1] == 'S' || d[1] == 's')
+ && (d[2] == 'C' || d[2] == 'c')))
+ dir = 1;
+ else if (dc == 4
+ && (d[0] == 'D' || d[0] == 'd')
+ && (d[1] == 'E' || d[1] == 'e')
+ && (d[2] == 'S' || d[2] == 's')
+ && (d[3] == 'C' || d[3] == 'c'))
+ dir = 0;
+ if (dir == -1)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("second parameter must be \"ASC\" or \"DESC\"")));
+ QSORT(a, dir);
+ PG_RETURN_POINTER(a);
+}
+
+Datum
+sort_asc(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+
+ CHECKARRVALID(a);
+ QSORT(a, 1);
+ PG_RETURN_POINTER(a);
+}
+
+Datum
+sort_desc(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+
+ CHECKARRVALID(a);
+ QSORT(a, 0);
+ PG_RETURN_POINTER(a);
+}
+
+Datum
+uniq(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+
+ CHECKARRVALID(a);
+ if (ARRNELEMS(a) < 2)
+ PG_RETURN_POINTER(a);
+ a = _int_unique(a);
+ PG_RETURN_POINTER(a);
+}
+
+Datum
+idx(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P(0);
+ int32 result;
+
+ CHECKARRVALID(a);
+ result = ARRNELEMS(a);
+ if (result)
+ result = intarray_match_first(a, PG_GETARG_INT32(1));
+ PG_FREE_IF_COPY(a, 0);
+ PG_RETURN_INT32(result);
+}
+
+Datum
+subarray(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P(0);
+ int32 start = PG_GETARG_INT32(1);
+ int32 len = (fcinfo->nargs == 3) ? PG_GETARG_INT32(2) : 0;
+ int32 end = 0;
+ int32 c;
+ ArrayType *result;
+
+ start = (start > 0) ? start - 1 : start;
+
+ CHECKARRVALID(a);
+ if (ARRISEMPTY(a))
+ {
+ PG_FREE_IF_COPY(a, 0);
+ PG_RETURN_POINTER(new_intArrayType(0));
+ }
+
+ c = ARRNELEMS(a);
+
+ if (start < 0)
+ start = c + start;
+
+ if (len < 0)
+ end = c + len;
+ else if (len == 0)
+ end = c;
+ else
+ end = start + len;
+
+ if (end > c)
+ end = c;
+
+ if (start < 0)
+ start = 0;
+
+ if (start >= end || end <= 0)
+ {
+ PG_FREE_IF_COPY(a, 0);
+ PG_RETURN_POINTER(new_intArrayType(0));
+ }
+
+ result = new_intArrayType(end - start);
+ if (end - start > 0)
+ memcpy(ARRPTR(result), ARRPTR(a) + start, (end - start) * sizeof(int32));
+ PG_FREE_IF_COPY(a, 0);
+ PG_RETURN_POINTER(result);
+}
+
+Datum
+intarray_push_elem(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P(0);
+ ArrayType *result;
+
+ result = intarray_add_elem(a, PG_GETARG_INT32(1));
+ PG_FREE_IF_COPY(a, 0);
+ PG_RETURN_POINTER(result);
+}
+
+Datum
+intarray_push_array(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P(1);
+ ArrayType *result;
+
+ result = intarray_concat_arrays(a, b);
+ PG_FREE_IF_COPY(a, 0);
+ PG_FREE_IF_COPY(b, 1);
+ PG_RETURN_POINTER(result);
+}
+
+Datum
+intarray_del_elem(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ int32 elem = PG_GETARG_INT32(1);
+ int32 c;
+ int32 *aa;
+ int32 n = 0,
+ i;
+
+ CHECKARRVALID(a);
+ if (!ARRISEMPTY(a))
+ {
+ c = ARRNELEMS(a);
+ aa = ARRPTR(a);
+ for (i = 0; i < c; i++)
+ {
+ if (aa[i] != elem)
+ {
+ if (i > n)
+ aa[n++] = aa[i];
+ else
+ n++;
+ }
+ }
+ a = resize_intArrayType(a, n);
+ }
+ PG_RETURN_POINTER(a);
+}
+
+Datum
+intset_union_elem(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P(0);
+ ArrayType *result;
+
+ result = intarray_add_elem(a, PG_GETARG_INT32(1));
+ PG_FREE_IF_COPY(a, 0);
+ QSORT(result, 1);
+ PG_RETURN_POINTER(_int_unique(result));
+}
+
+Datum
+intset_subtract(PG_FUNCTION_ARGS)
+{
+ ArrayType *a = PG_GETARG_ARRAYTYPE_P_COPY(0);
+ ArrayType *b = PG_GETARG_ARRAYTYPE_P_COPY(1);
+ ArrayType *result;
+ int32 ca;
+ int32 cb;
+ int32 *aa,
+ *bb,
+ *r;
+ int32 n = 0,
+ i = 0,
+ k = 0;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+
+ QSORT(a, 1);
+ a = _int_unique(a);
+ ca = ARRNELEMS(a);
+ QSORT(b, 1);
+ b = _int_unique(b);
+ cb = ARRNELEMS(b);
+ result = new_intArrayType(ca);
+ aa = ARRPTR(a);
+ bb = ARRPTR(b);
+ r = ARRPTR(result);
+ while (i < ca)
+ {
+ if (k == cb || aa[i] < bb[k])
+ r[n++] = aa[i++];
+ else if (aa[i] == bb[k])
+ {
+ i++;
+ k++;
+ }
+ else
+ k++;
+ }
+ result = resize_intArrayType(result, n);
+ pfree(a);
+ pfree(b);
+ PG_RETURN_POINTER(result);
+}
diff --git a/contrib/intarray/_int_selfuncs.c b/contrib/intarray/_int_selfuncs.c
new file mode 100644
index 0000000..a3a538a
--- /dev/null
+++ b/contrib/intarray/_int_selfuncs.c
@@ -0,0 +1,333 @@
+/*-------------------------------------------------------------------------
+ *
+ * _int_selfuncs.c
+ * Functions for selectivity estimation of intarray operators
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ * contrib/intarray/_int_selfuncs.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "_int.h"
+#include "access/htup_details.h"
+#include "catalog/pg_operator.h"
+#include "catalog/pg_statistic.h"
+#include "catalog/pg_type.h"
+#include "miscadmin.h"
+#include "utils/builtins.h"
+#include "utils/lsyscache.h"
+#include "utils/selfuncs.h"
+#include "utils/syscache.h"
+
+PG_FUNCTION_INFO_V1(_int_overlap_sel);
+PG_FUNCTION_INFO_V1(_int_contains_sel);
+PG_FUNCTION_INFO_V1(_int_contained_sel);
+PG_FUNCTION_INFO_V1(_int_overlap_joinsel);
+PG_FUNCTION_INFO_V1(_int_contains_joinsel);
+PG_FUNCTION_INFO_V1(_int_contained_joinsel);
+PG_FUNCTION_INFO_V1(_int_matchsel);
+
+
+static Selectivity int_query_opr_selec(ITEM *item, Datum *values, float4 *freqs,
+ int nmncelems, float4 minfreq);
+static int compare_val_int4(const void *a, const void *b);
+
+/*
+ * Wrappers around the default array selectivity estimation functions.
+ *
+ * The default array selectivity operators for the @>, && and @< operators
+ * work fine for integer arrays. However, if we tried to just use arraycontsel
+ * and arraycontjoinsel directly as the cost estimator functions for our
+ * operators, they would not work as intended, because they look at the
+ * operator's OID. Our operators behave exactly like the built-in anyarray
+ * versions, but we must tell the cost estimator functions which built-in
+ * operators they correspond to. These wrappers just replace the operator
+ * OID with the corresponding built-in operator's OID, and call the built-in
+ * function.
+ */
+
+Datum
+_int_overlap_sel(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_DATUM(DirectFunctionCall4(arraycontsel,
+ PG_GETARG_DATUM(0),
+ ObjectIdGetDatum(OID_ARRAY_OVERLAP_OP),
+ PG_GETARG_DATUM(2),
+ PG_GETARG_DATUM(3)));
+}
+
+Datum
+_int_contains_sel(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_DATUM(DirectFunctionCall4(arraycontsel,
+ PG_GETARG_DATUM(0),
+ ObjectIdGetDatum(OID_ARRAY_CONTAINS_OP),
+ PG_GETARG_DATUM(2),
+ PG_GETARG_DATUM(3)));
+}
+
+Datum
+_int_contained_sel(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_DATUM(DirectFunctionCall4(arraycontsel,
+ PG_GETARG_DATUM(0),
+ ObjectIdGetDatum(OID_ARRAY_CONTAINED_OP),
+ PG_GETARG_DATUM(2),
+ PG_GETARG_DATUM(3)));
+}
+
+Datum
+_int_overlap_joinsel(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_DATUM(DirectFunctionCall5(arraycontjoinsel,
+ PG_GETARG_DATUM(0),
+ ObjectIdGetDatum(OID_ARRAY_OVERLAP_OP),
+ PG_GETARG_DATUM(2),
+ PG_GETARG_DATUM(3),
+ PG_GETARG_DATUM(4)));
+}
+
+Datum
+_int_contains_joinsel(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_DATUM(DirectFunctionCall5(arraycontjoinsel,
+ PG_GETARG_DATUM(0),
+ ObjectIdGetDatum(OID_ARRAY_CONTAINS_OP),
+ PG_GETARG_DATUM(2),
+ PG_GETARG_DATUM(3),
+ PG_GETARG_DATUM(4)));
+}
+
+Datum
+_int_contained_joinsel(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_DATUM(DirectFunctionCall5(arraycontjoinsel,
+ PG_GETARG_DATUM(0),
+ ObjectIdGetDatum(OID_ARRAY_CONTAINED_OP),
+ PG_GETARG_DATUM(2),
+ PG_GETARG_DATUM(3),
+ PG_GETARG_DATUM(4)));
+}
+
+
+/*
+ * _int_matchsel -- restriction selectivity function for intarray @@ query_int
+ */
+Datum
+_int_matchsel(PG_FUNCTION_ARGS)
+{
+ PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
+
+ List *args = (List *) PG_GETARG_POINTER(2);
+ int varRelid = PG_GETARG_INT32(3);
+ VariableStatData vardata;
+ Node *other;
+ bool varonleft;
+ Selectivity selec;
+ QUERYTYPE *query;
+ Datum *mcelems = NULL;
+ float4 *mcefreqs = NULL;
+ int nmcelems = 0;
+ float4 minfreq = 0.0;
+ float4 nullfrac = 0.0;
+ AttStatsSlot sslot;
+
+ /*
+ * If expression is not "variable @@ something" or "something @@ variable"
+ * then punt and return a default estimate.
+ */
+ if (!get_restriction_variable(root, args, varRelid,
+ &vardata, &other, &varonleft))
+ PG_RETURN_FLOAT8(DEFAULT_EQ_SEL);
+
+ /*
+ * Variable should be int[]. We don't support cases where variable is
+ * query_int.
+ */
+ if (vardata.vartype != INT4ARRAYOID)
+ PG_RETURN_FLOAT8(DEFAULT_EQ_SEL);
+
+ /*
+ * Can't do anything useful if the something is not a constant, either.
+ */
+ if (!IsA(other, Const))
+ {
+ ReleaseVariableStats(vardata);
+ PG_RETURN_FLOAT8(DEFAULT_EQ_SEL);
+ }
+
+ /*
+ * The "@@" operator is strict, so we can cope with NULL right away.
+ */
+ if (((Const *) other)->constisnull)
+ {
+ ReleaseVariableStats(vardata);
+ PG_RETURN_FLOAT8(0.0);
+ }
+
+ /* The caller made sure the const is a query, so get it now */
+ query = DatumGetQueryTypeP(((Const *) other)->constvalue);
+
+ /* Empty query matches nothing */
+ if (query->size == 0)
+ {
+ ReleaseVariableStats(vardata);
+ return (Selectivity) 0.0;
+ }
+
+ /*
+ * Get the statistics for the intarray column.
+ *
+ * We're interested in the Most-Common-Elements list, and the NULL
+ * fraction.
+ */
+ if (HeapTupleIsValid(vardata.statsTuple))
+ {
+ Form_pg_statistic stats;
+
+ stats = (Form_pg_statistic) GETSTRUCT(vardata.statsTuple);
+ nullfrac = stats->stanullfrac;
+
+ /*
+ * For an int4 array, the default array type analyze function will
+ * collect a Most Common Elements list, which is an array of int4s.
+ */
+ if (get_attstatsslot(&sslot, vardata.statsTuple,
+ STATISTIC_KIND_MCELEM, InvalidOid,
+ ATTSTATSSLOT_VALUES | ATTSTATSSLOT_NUMBERS))
+ {
+ Assert(sslot.valuetype == INT4OID);
+
+ /*
+ * There should be three more Numbers than Values, because the
+ * last three (for intarray) cells are taken for minimal, maximal
+ * and nulls frequency. Punt if not.
+ */
+ if (sslot.nnumbers == sslot.nvalues + 3)
+ {
+ /* Grab the lowest frequency. */
+ minfreq = sslot.numbers[sslot.nnumbers - (sslot.nnumbers - sslot.nvalues)];
+
+ mcelems = sslot.values;
+ mcefreqs = sslot.numbers;
+ nmcelems = sslot.nvalues;
+ }
+ }
+ }
+ else
+ memset(&sslot, 0, sizeof(sslot));
+
+ /* Process the logical expression in the query, using the stats */
+ selec = int_query_opr_selec(GETQUERY(query) + query->size - 1,
+ mcelems, mcefreqs, nmcelems, minfreq);
+
+ /* MCE stats count only non-null rows, so adjust for null rows. */
+ selec *= (1.0 - nullfrac);
+
+ free_attstatsslot(&sslot);
+ ReleaseVariableStats(vardata);
+
+ CLAMP_PROBABILITY(selec);
+
+ PG_RETURN_FLOAT8((float8) selec);
+}
+
+/*
+ * Estimate selectivity of single intquery operator
+ */
+static Selectivity
+int_query_opr_selec(ITEM *item, Datum *mcelems, float4 *mcefreqs,
+ int nmcelems, float4 minfreq)
+{
+ Selectivity selec;
+
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
+ if (item->type == VAL)
+ {
+ Datum *searchres;
+
+ if (mcelems == NULL)
+ return (Selectivity) DEFAULT_EQ_SEL;
+
+ searchres = (Datum *) bsearch(&item->val, mcelems, nmcelems,
+ sizeof(Datum), compare_val_int4);
+ if (searchres)
+ {
+ /*
+ * The element is in MCELEM. Return precise selectivity (or at
+ * least as precise as ANALYZE could find out).
+ */
+ selec = mcefreqs[searchres - mcelems];
+ }
+ else
+ {
+ /*
+ * The element is not in MCELEM. Punt, but assume that the
+ * selectivity cannot be more than minfreq / 2.
+ */
+ selec = Min(DEFAULT_EQ_SEL, minfreq / 2);
+ }
+ }
+ else if (item->type == OPR)
+ {
+ /* Current query node is an operator */
+ Selectivity s1,
+ s2;
+
+ s1 = int_query_opr_selec(item - 1, mcelems, mcefreqs, nmcelems,
+ minfreq);
+ switch (item->val)
+ {
+ case (int32) '!':
+ selec = 1.0 - s1;
+ break;
+
+ case (int32) '&':
+ s2 = int_query_opr_selec(item + item->left, mcelems, mcefreqs,
+ nmcelems, minfreq);
+ selec = s1 * s2;
+ break;
+
+ case (int32) '|':
+ s2 = int_query_opr_selec(item + item->left, mcelems, mcefreqs,
+ nmcelems, minfreq);
+ selec = s1 + s2 - s1 * s2;
+ break;
+
+ default:
+ elog(ERROR, "unrecognized operator: %d", item->val);
+ selec = 0; /* keep compiler quiet */
+ break;
+ }
+ }
+ else
+ {
+ elog(ERROR, "unrecognized int query item type: %u", item->type);
+ selec = 0; /* keep compiler quiet */
+ }
+
+ /* Clamp intermediate results to stay sane despite roundoff error */
+ CLAMP_PROBABILITY(selec);
+
+ return selec;
+}
+
+/*
+ * Comparison function for binary search in mcelem array.
+ */
+static int
+compare_val_int4(const void *a, const void *b)
+{
+ int32 key = *(int32 *) a;
+ const Datum *t = (const Datum *) b;
+
+ return key - DatumGetInt32(*t);
+}
diff --git a/contrib/intarray/_int_tool.c b/contrib/intarray/_int_tool.c
new file mode 100644
index 0000000..91690af
--- /dev/null
+++ b/contrib/intarray/_int_tool.c
@@ -0,0 +1,410 @@
+/*
+ * contrib/intarray/_int_tool.c
+ */
+#include "postgres.h"
+
+#include <limits.h>
+
+#include "_int.h"
+#include "catalog/pg_type.h"
+#include "lib/qunique.h"
+
+/* arguments are assumed sorted & unique-ified */
+bool
+inner_int_contains(ArrayType *a, ArrayType *b)
+{
+ int na,
+ nb;
+ int i,
+ j,
+ n;
+ int *da,
+ *db;
+
+ na = ARRNELEMS(a);
+ nb = ARRNELEMS(b);
+ da = ARRPTR(a);
+ db = ARRPTR(b);
+
+ i = j = n = 0;
+ while (i < na && j < nb)
+ {
+ if (da[i] < db[j])
+ i++;
+ else if (da[i] == db[j])
+ {
+ n++;
+ i++;
+ j++;
+ }
+ else
+ break; /* db[j] is not in da */
+ }
+
+ return (n == nb) ? true : false;
+}
+
+/* arguments are assumed sorted */
+bool
+inner_int_overlap(ArrayType *a, ArrayType *b)
+{
+ int na,
+ nb;
+ int i,
+ j;
+ int *da,
+ *db;
+
+ na = ARRNELEMS(a);
+ nb = ARRNELEMS(b);
+ da = ARRPTR(a);
+ db = ARRPTR(b);
+
+ i = j = 0;
+ while (i < na && j < nb)
+ {
+ if (da[i] < db[j])
+ i++;
+ else if (da[i] == db[j])
+ return true;
+ else
+ j++;
+ }
+
+ return false;
+}
+
+ArrayType *
+inner_int_union(ArrayType *a, ArrayType *b)
+{
+ ArrayType *r = NULL;
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+
+ if (ARRISEMPTY(a) && ARRISEMPTY(b))
+ return new_intArrayType(0);
+ if (ARRISEMPTY(a))
+ r = copy_intArrayType(b);
+ if (ARRISEMPTY(b))
+ r = copy_intArrayType(a);
+
+ if (!r)
+ {
+ int na = ARRNELEMS(a),
+ nb = ARRNELEMS(b);
+ int *da = ARRPTR(a),
+ *db = ARRPTR(b);
+ int i,
+ j,
+ *dr;
+
+ r = new_intArrayType(na + nb);
+ dr = ARRPTR(r);
+
+ /* union */
+ i = j = 0;
+ while (i < na && j < nb)
+ {
+ if (da[i] == db[j])
+ {
+ *dr++ = da[i++];
+ j++;
+ }
+ else if (da[i] < db[j])
+ *dr++ = da[i++];
+ else
+ *dr++ = db[j++];
+ }
+
+ while (i < na)
+ *dr++ = da[i++];
+ while (j < nb)
+ *dr++ = db[j++];
+
+ r = resize_intArrayType(r, dr - ARRPTR(r));
+ }
+
+ if (ARRNELEMS(r) > 1)
+ r = _int_unique(r);
+
+ return r;
+}
+
+ArrayType *
+inner_int_inter(ArrayType *a, ArrayType *b)
+{
+ ArrayType *r;
+ int na,
+ nb;
+ int *da,
+ *db,
+ *dr;
+ int i,
+ j,
+ k;
+
+ if (ARRISEMPTY(a) || ARRISEMPTY(b))
+ return new_intArrayType(0);
+
+ na = ARRNELEMS(a);
+ nb = ARRNELEMS(b);
+ da = ARRPTR(a);
+ db = ARRPTR(b);
+ r = new_intArrayType(Min(na, nb));
+ dr = ARRPTR(r);
+
+ i = j = k = 0;
+ while (i < na && j < nb)
+ {
+ if (da[i] < db[j])
+ i++;
+ else if (da[i] == db[j])
+ {
+ if (k == 0 || dr[k - 1] != db[j])
+ dr[k++] = db[j];
+ i++;
+ j++;
+ }
+ else
+ j++;
+ }
+
+ if (k == 0)
+ {
+ pfree(r);
+ return new_intArrayType(0);
+ }
+ else
+ return resize_intArrayType(r, k);
+}
+
+void
+rt__int_size(ArrayType *a, float *size)
+{
+ *size = (float) ARRNELEMS(a);
+}
+
+/* qsort_arg comparison function for isort() */
+static int
+isort_cmp(const void *a, const void *b, void *arg)
+{
+ int32 aval = *((const int32 *) a);
+ int32 bval = *((const int32 *) b);
+
+ if (aval < bval)
+ return -1;
+ if (aval > bval)
+ return 1;
+
+ /*
+ * Report if we have any duplicates. If there are equal keys, qsort must
+ * compare them at some point, else it wouldn't know whether one should go
+ * before or after the other.
+ */
+ *((bool *) arg) = true;
+ return 0;
+}
+
+/* Sort the given data (len >= 2). Return true if any duplicates found */
+bool
+isort(int32 *a, int len)
+{
+ bool r = false;
+
+ qsort_arg(a, len, sizeof(int32), isort_cmp, (void *) &r);
+ return r;
+}
+
+/* Create a new int array with room for "num" elements */
+ArrayType *
+new_intArrayType(int num)
+{
+ ArrayType *r;
+ int nbytes;
+
+ /* if no elements, return a zero-dimensional array */
+ if (num <= 0)
+ {
+ Assert(num == 0);
+ r = construct_empty_array(INT4OID);
+ return r;
+ }
+
+ nbytes = ARR_OVERHEAD_NONULLS(1) + sizeof(int) * num;
+
+ r = (ArrayType *) palloc0(nbytes);
+
+ SET_VARSIZE(r, nbytes);
+ ARR_NDIM(r) = 1;
+ r->dataoffset = 0; /* marker for no null bitmap */
+ ARR_ELEMTYPE(r) = INT4OID;
+ ARR_DIMS(r)[0] = num;
+ ARR_LBOUND(r)[0] = 1;
+
+ return r;
+}
+
+ArrayType *
+resize_intArrayType(ArrayType *a, int num)
+{
+ int nbytes;
+ int i;
+
+ /* if no elements, return a zero-dimensional array */
+ if (num <= 0)
+ {
+ Assert(num == 0);
+ a = construct_empty_array(INT4OID);
+ return a;
+ }
+
+ if (num == ARRNELEMS(a))
+ return a;
+
+ nbytes = ARR_DATA_OFFSET(a) + sizeof(int) * num;
+
+ a = (ArrayType *) repalloc(a, nbytes);
+
+ SET_VARSIZE(a, nbytes);
+ /* usually the array should be 1-D already, but just in case ... */
+ for (i = 0; i < ARR_NDIM(a); i++)
+ {
+ ARR_DIMS(a)[i] = num;
+ num = 1;
+ }
+ return a;
+}
+
+ArrayType *
+copy_intArrayType(ArrayType *a)
+{
+ ArrayType *r;
+ int n = ARRNELEMS(a);
+
+ r = new_intArrayType(n);
+ memcpy(ARRPTR(r), ARRPTR(a), n * sizeof(int32));
+ return r;
+}
+
+/* num for compressed key */
+int
+internal_size(int *a, int len)
+{
+ int i;
+ int64 size = 0;
+
+ for (i = 0; i < len; i += 2)
+ {
+ if (!i || a[i] != a[i - 1]) /* do not count repeated range */
+ size += (int64) (a[i + 1]) - (int64) (a[i]) + 1;
+ }
+
+ if (size > (int64) INT_MAX || size < (int64) INT_MIN)
+ return -1; /* overflow */
+ return (int) size;
+}
+
+/* unique-ify elements of r in-place ... r must be sorted already */
+ArrayType *
+_int_unique(ArrayType *r)
+{
+ int num = ARRNELEMS(r);
+ bool duplicates_found; /* not used */
+
+ num = qunique_arg(ARRPTR(r), num, sizeof(int), isort_cmp,
+ &duplicates_found);
+
+ return resize_intArrayType(r, num);
+}
+
+void
+gensign(BITVECP sign, int *a, int len, int siglen)
+{
+ int i;
+
+ /* we assume that the sign vector is previously zeroed */
+ for (i = 0; i < len; i++)
+ {
+ HASH(sign, *a, siglen);
+ a++;
+ }
+}
+
+int32
+intarray_match_first(ArrayType *a, int32 elem)
+{
+ int32 *aa,
+ c,
+ i;
+
+ CHECKARRVALID(a);
+ c = ARRNELEMS(a);
+ aa = ARRPTR(a);
+ for (i = 0; i < c; i++)
+ if (aa[i] == elem)
+ return (i + 1);
+ return 0;
+}
+
+ArrayType *
+intarray_add_elem(ArrayType *a, int32 elem)
+{
+ ArrayType *result;
+ int32 *r;
+ int32 c;
+
+ CHECKARRVALID(a);
+ c = ARRNELEMS(a);
+ result = new_intArrayType(c + 1);
+ r = ARRPTR(result);
+ if (c > 0)
+ memcpy(r, ARRPTR(a), c * sizeof(int32));
+ r[c] = elem;
+ return result;
+}
+
+ArrayType *
+intarray_concat_arrays(ArrayType *a, ArrayType *b)
+{
+ ArrayType *result;
+ int32 ac = ARRNELEMS(a);
+ int32 bc = ARRNELEMS(b);
+
+ CHECKARRVALID(a);
+ CHECKARRVALID(b);
+ result = new_intArrayType(ac + bc);
+ if (ac)
+ memcpy(ARRPTR(result), ARRPTR(a), ac * sizeof(int32));
+ if (bc)
+ memcpy(ARRPTR(result) + ac, ARRPTR(b), bc * sizeof(int32));
+ return result;
+}
+
+ArrayType *
+int_to_intset(int32 n)
+{
+ ArrayType *result;
+ int32 *aa;
+
+ result = new_intArrayType(1);
+ aa = ARRPTR(result);
+ aa[0] = n;
+ return result;
+}
+
+int
+compASC(const void *a, const void *b)
+{
+ if (*(const int32 *) a == *(const int32 *) b)
+ return 0;
+ return (*(const int32 *) a > *(const int32 *) b) ? 1 : -1;
+}
+
+int
+compDESC(const void *a, const void *b)
+{
+ if (*(const int32 *) a == *(const int32 *) b)
+ return 0;
+ return (*(const int32 *) a < *(const int32 *) b) ? 1 : -1;
+}
diff --git a/contrib/intarray/_intbig_gist.c b/contrib/intarray/_intbig_gist.c
new file mode 100644
index 0000000..67c44e9
--- /dev/null
+++ b/contrib/intarray/_intbig_gist.c
@@ -0,0 +1,589 @@
+/*
+ * contrib/intarray/_intbig_gist.c
+ */
+#include "postgres.h"
+
+#include "_int.h"
+#include "access/gist.h"
+#include "access/reloptions.h"
+#include "access/stratnum.h"
+#include "port/pg_bitutils.h"
+
+#define GETENTRY(vec,pos) ((GISTTYPE *) DatumGetPointer((vec)->vector[(pos)].key))
+/*
+** _intbig methods
+*/
+PG_FUNCTION_INFO_V1(g_intbig_consistent);
+PG_FUNCTION_INFO_V1(g_intbig_compress);
+PG_FUNCTION_INFO_V1(g_intbig_decompress);
+PG_FUNCTION_INFO_V1(g_intbig_penalty);
+PG_FUNCTION_INFO_V1(g_intbig_picksplit);
+PG_FUNCTION_INFO_V1(g_intbig_union);
+PG_FUNCTION_INFO_V1(g_intbig_same);
+PG_FUNCTION_INFO_V1(g_intbig_options);
+
+PG_FUNCTION_INFO_V1(_intbig_in);
+PG_FUNCTION_INFO_V1(_intbig_out);
+
+Datum
+_intbig_in(PG_FUNCTION_ARGS)
+{
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("_intbig_in() not implemented")));
+ PG_RETURN_DATUM(0);
+}
+
+Datum
+_intbig_out(PG_FUNCTION_ARGS)
+{
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("_intbig_out() not implemented")));
+ PG_RETURN_DATUM(0);
+}
+
+static GISTTYPE *
+_intbig_alloc(bool allistrue, int siglen, BITVECP sign)
+{
+ int flag = allistrue ? ALLISTRUE : 0;
+ int size = CALCGTSIZE(flag, siglen);
+ GISTTYPE *res = (GISTTYPE *) palloc(size);
+
+ SET_VARSIZE(res, size);
+ res->flag = flag;
+
+ if (!allistrue)
+ {
+ if (sign)
+ memcpy(GETSIGN(res), sign, siglen);
+ else
+ memset(GETSIGN(res), 0, siglen);
+ }
+
+ return res;
+}
+
+
+/*********************************************************************
+** intbig functions
+*********************************************************************/
+static bool
+_intbig_overlap(GISTTYPE *a, ArrayType *b, int siglen)
+{
+ int num = ARRNELEMS(b);
+ int32 *ptr = ARRPTR(b);
+
+ CHECKARRVALID(b);
+
+ while (num--)
+ {
+ if (GETBIT(GETSIGN(a), HASHVAL(*ptr, siglen)))
+ return true;
+ ptr++;
+ }
+
+ return false;
+}
+
+static bool
+_intbig_contains(GISTTYPE *a, ArrayType *b, int siglen)
+{
+ int num = ARRNELEMS(b);
+ int32 *ptr = ARRPTR(b);
+
+ CHECKARRVALID(b);
+
+ while (num--)
+ {
+ if (!GETBIT(GETSIGN(a), HASHVAL(*ptr, siglen)))
+ return false;
+ ptr++;
+ }
+
+ return true;
+}
+
+Datum
+g_intbig_same(PG_FUNCTION_ARGS)
+{
+ GISTTYPE *a = (GISTTYPE *) PG_GETARG_POINTER(0);
+ GISTTYPE *b = (GISTTYPE *) PG_GETARG_POINTER(1);
+ bool *result = (bool *) PG_GETARG_POINTER(2);
+ int siglen = GET_SIGLEN();
+
+ if (ISALLTRUE(a) && ISALLTRUE(b))
+ *result = true;
+ else if (ISALLTRUE(a))
+ *result = false;
+ else if (ISALLTRUE(b))
+ *result = false;
+ else
+ {
+ int32 i;
+ BITVECP sa = GETSIGN(a),
+ sb = GETSIGN(b);
+
+ *result = true;
+ LOOPBYTE(siglen)
+ {
+ if (sa[i] != sb[i])
+ {
+ *result = false;
+ break;
+ }
+ }
+ }
+ PG_RETURN_POINTER(result);
+}
+
+Datum
+g_intbig_compress(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ int siglen = GET_SIGLEN();
+
+ if (entry->leafkey)
+ {
+ GISTENTRY *retval;
+ ArrayType *in = DatumGetArrayTypeP(entry->key);
+ int32 *ptr;
+ int num;
+ GISTTYPE *res = _intbig_alloc(false, siglen, NULL);
+
+ CHECKARRVALID(in);
+ if (ARRISEMPTY(in))
+ {
+ ptr = NULL;
+ num = 0;
+ }
+ else
+ {
+ ptr = ARRPTR(in);
+ num = ARRNELEMS(in);
+ }
+
+ while (num--)
+ {
+ HASH(GETSIGN(res), *ptr, siglen);
+ ptr++;
+ }
+
+ retval = (GISTENTRY *) palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(res),
+ entry->rel, entry->page,
+ entry->offset, false);
+
+ if (in != DatumGetArrayTypeP(entry->key))
+ pfree(in);
+
+ PG_RETURN_POINTER(retval);
+ }
+ else if (!ISALLTRUE(DatumGetPointer(entry->key)))
+ {
+ GISTENTRY *retval;
+ int i;
+ BITVECP sign = GETSIGN(DatumGetPointer(entry->key));
+ GISTTYPE *res;
+
+ LOOPBYTE(siglen)
+ {
+ if ((sign[i] & 0xff) != 0xff)
+ PG_RETURN_POINTER(entry);
+ }
+
+ res = _intbig_alloc(true, siglen, sign);
+ retval = (GISTENTRY *) palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(res),
+ entry->rel, entry->page,
+ entry->offset, false);
+
+ PG_RETURN_POINTER(retval);
+ }
+
+ PG_RETURN_POINTER(entry);
+}
+
+
+static int32
+sizebitvec(BITVECP sign, int siglen)
+{
+ return pg_popcount(sign, siglen);
+}
+
+static int
+hemdistsign(BITVECP a, BITVECP b, int siglen)
+{
+ int i,
+ diff,
+ dist = 0;
+
+ LOOPBYTE(siglen)
+ {
+ diff = (unsigned char) (a[i] ^ b[i]);
+ /* Using the popcount functions here isn't likely to win */
+ dist += pg_number_of_ones[diff];
+ }
+ return dist;
+}
+
+static int
+hemdist(GISTTYPE *a, GISTTYPE *b, int siglen)
+{
+ if (ISALLTRUE(a))
+ {
+ if (ISALLTRUE(b))
+ return 0;
+ else
+ return SIGLENBIT(siglen) - sizebitvec(GETSIGN(b), siglen);
+ }
+ else if (ISALLTRUE(b))
+ return SIGLENBIT(siglen) - sizebitvec(GETSIGN(a), siglen);
+
+ return hemdistsign(GETSIGN(a), GETSIGN(b), siglen);
+}
+
+Datum
+g_intbig_decompress(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_DATUM(PG_GETARG_DATUM(0));
+}
+
+static int32
+unionkey(BITVECP sbase, GISTTYPE *add, int siglen)
+{
+ int32 i;
+ BITVECP sadd = GETSIGN(add);
+
+ if (ISALLTRUE(add))
+ return 1;
+ LOOPBYTE(siglen)
+ sbase[i] |= sadd[i];
+ return 0;
+}
+
+Datum
+g_intbig_union(PG_FUNCTION_ARGS)
+{
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+ int *size = (int *) PG_GETARG_POINTER(1);
+ int siglen = GET_SIGLEN();
+ int32 i;
+ GISTTYPE *result = _intbig_alloc(false, siglen, NULL);
+ BITVECP base = GETSIGN(result);
+
+ for (i = 0; i < entryvec->n; i++)
+ {
+ if (unionkey(base, GETENTRY(entryvec, i), siglen))
+ {
+ result->flag |= ALLISTRUE;
+ SET_VARSIZE(result, CALCGTSIZE(ALLISTRUE, siglen));
+ break;
+ }
+ }
+
+ *size = VARSIZE(result);
+
+ PG_RETURN_POINTER(result);
+}
+
+Datum
+g_intbig_penalty(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *origentry = (GISTENTRY *) PG_GETARG_POINTER(0); /* always ISSIGNKEY */
+ GISTENTRY *newentry = (GISTENTRY *) PG_GETARG_POINTER(1);
+ float *penalty = (float *) PG_GETARG_POINTER(2);
+ GISTTYPE *origval = (GISTTYPE *) DatumGetPointer(origentry->key);
+ GISTTYPE *newval = (GISTTYPE *) DatumGetPointer(newentry->key);
+ int siglen = GET_SIGLEN();
+
+ *penalty = hemdist(origval, newval, siglen);
+ PG_RETURN_POINTER(penalty);
+}
+
+
+typedef struct
+{
+ OffsetNumber pos;
+ int32 cost;
+} SPLITCOST;
+
+static int
+comparecost(const void *a, const void *b)
+{
+ return ((const SPLITCOST *) a)->cost - ((const SPLITCOST *) b)->cost;
+}
+
+
+Datum
+g_intbig_picksplit(PG_FUNCTION_ARGS)
+{
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+ GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
+ int siglen = GET_SIGLEN();
+ OffsetNumber k,
+ j;
+ GISTTYPE *datum_l,
+ *datum_r;
+ BITVECP union_l,
+ union_r;
+ int32 size_alpha,
+ size_beta;
+ int32 size_waste,
+ waste = -1;
+ int32 nbytes;
+ OffsetNumber seed_1 = 0,
+ seed_2 = 0;
+ OffsetNumber *left,
+ *right;
+ OffsetNumber maxoff;
+ BITVECP ptr;
+ int i;
+ SPLITCOST *costvector;
+ GISTTYPE *_k,
+ *_j;
+
+ maxoff = entryvec->n - 2;
+ nbytes = (maxoff + 2) * sizeof(OffsetNumber);
+ v->spl_left = (OffsetNumber *) palloc(nbytes);
+ v->spl_right = (OffsetNumber *) palloc(nbytes);
+
+ for (k = FirstOffsetNumber; k < maxoff; k = OffsetNumberNext(k))
+ {
+ _k = GETENTRY(entryvec, k);
+ for (j = OffsetNumberNext(k); j <= maxoff; j = OffsetNumberNext(j))
+ {
+ size_waste = hemdist(_k, GETENTRY(entryvec, j), siglen);
+ if (size_waste > waste)
+ {
+ waste = size_waste;
+ seed_1 = k;
+ seed_2 = j;
+ }
+ }
+ }
+
+ left = v->spl_left;
+ v->spl_nleft = 0;
+ right = v->spl_right;
+ v->spl_nright = 0;
+
+ if (seed_1 == 0 || seed_2 == 0)
+ {
+ seed_1 = 1;
+ seed_2 = 2;
+ }
+
+ /* form initial .. */
+ datum_l = _intbig_alloc(ISALLTRUE(GETENTRY(entryvec, seed_1)), siglen,
+ GETSIGN(GETENTRY(entryvec, seed_1)));
+ datum_r = _intbig_alloc(ISALLTRUE(GETENTRY(entryvec, seed_2)), siglen,
+ GETSIGN(GETENTRY(entryvec, seed_2)));
+
+ maxoff = OffsetNumberNext(maxoff);
+ /* sort before ... */
+ costvector = (SPLITCOST *) palloc(sizeof(SPLITCOST) * maxoff);
+ for (j = FirstOffsetNumber; j <= maxoff; j = OffsetNumberNext(j))
+ {
+ costvector[j - 1].pos = j;
+ _j = GETENTRY(entryvec, j);
+ size_alpha = hemdist(datum_l, _j, siglen);
+ size_beta = hemdist(datum_r, _j, siglen);
+ costvector[j - 1].cost = Abs(size_alpha - size_beta);
+ }
+ qsort((void *) costvector, maxoff, sizeof(SPLITCOST), comparecost);
+
+ union_l = GETSIGN(datum_l);
+ union_r = GETSIGN(datum_r);
+
+ for (k = 0; k < maxoff; k++)
+ {
+ j = costvector[k].pos;
+ if (j == seed_1)
+ {
+ *left++ = j;
+ v->spl_nleft++;
+ continue;
+ }
+ else if (j == seed_2)
+ {
+ *right++ = j;
+ v->spl_nright++;
+ continue;
+ }
+ _j = GETENTRY(entryvec, j);
+ size_alpha = hemdist(datum_l, _j, siglen);
+ size_beta = hemdist(datum_r, _j, siglen);
+
+ if (size_alpha < size_beta + WISH_F(v->spl_nleft, v->spl_nright, 0.00001))
+ {
+ if (ISALLTRUE(datum_l) || ISALLTRUE(_j))
+ {
+ if (!ISALLTRUE(datum_l))
+ MemSet((void *) union_l, 0xff, siglen);
+ }
+ else
+ {
+ ptr = GETSIGN(_j);
+ LOOPBYTE(siglen)
+ union_l[i] |= ptr[i];
+ }
+ *left++ = j;
+ v->spl_nleft++;
+ }
+ else
+ {
+ if (ISALLTRUE(datum_r) || ISALLTRUE(_j))
+ {
+ if (!ISALLTRUE(datum_r))
+ MemSet((void *) union_r, 0xff, siglen);
+ }
+ else
+ {
+ ptr = GETSIGN(_j);
+ LOOPBYTE(siglen)
+ union_r[i] |= ptr[i];
+ }
+ *right++ = j;
+ v->spl_nright++;
+ }
+ }
+
+ *right = *left = FirstOffsetNumber;
+ pfree(costvector);
+
+ v->spl_ldatum = PointerGetDatum(datum_l);
+ v->spl_rdatum = PointerGetDatum(datum_r);
+
+ PG_RETURN_POINTER(v);
+}
+
+Datum
+g_intbig_consistent(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ ArrayType *query = PG_GETARG_ARRAYTYPE_P(1);
+ StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+ /* Oid subtype = PG_GETARG_OID(3); */
+ bool *recheck = (bool *) PG_GETARG_POINTER(4);
+ int siglen = GET_SIGLEN();
+ bool retval;
+
+ /* All cases served by this function are inexact */
+ *recheck = true;
+
+ if (ISALLTRUE(DatumGetPointer(entry->key)))
+ PG_RETURN_BOOL(true);
+
+ if (strategy == BooleanSearchStrategy)
+ {
+ retval = signconsistent((QUERYTYPE *) query,
+ GETSIGN(DatumGetPointer(entry->key)),
+ siglen,
+ false);
+ PG_FREE_IF_COPY(query, 1);
+ PG_RETURN_BOOL(retval);
+ }
+
+ CHECKARRVALID(query);
+
+ switch (strategy)
+ {
+ case RTOverlapStrategyNumber:
+ retval = _intbig_overlap((GISTTYPE *) DatumGetPointer(entry->key),
+ query, siglen);
+ break;
+ case RTSameStrategyNumber:
+ if (GIST_LEAF(entry))
+ {
+ int i,
+ num = ARRNELEMS(query);
+ int32 *ptr = ARRPTR(query);
+ BITVECP dq = palloc0(siglen),
+ de;
+
+ while (num--)
+ {
+ HASH(dq, *ptr, siglen);
+ ptr++;
+ }
+
+ de = GETSIGN((GISTTYPE *) DatumGetPointer(entry->key));
+ retval = true;
+ LOOPBYTE(siglen)
+ {
+ if (de[i] != dq[i])
+ {
+ retval = false;
+ break;
+ }
+ }
+
+ pfree(dq);
+ }
+ else
+ retval = _intbig_contains((GISTTYPE *) DatumGetPointer(entry->key),
+ query, siglen);
+ break;
+ case RTContainsStrategyNumber:
+ case RTOldContainsStrategyNumber:
+ retval = _intbig_contains((GISTTYPE *) DatumGetPointer(entry->key),
+ query, siglen);
+ break;
+ case RTContainedByStrategyNumber:
+ case RTOldContainedByStrategyNumber:
+ if (GIST_LEAF(entry))
+ {
+ int i,
+ num = ARRNELEMS(query);
+ int32 *ptr = ARRPTR(query);
+ BITVECP dq = palloc0(siglen),
+ de;
+
+ while (num--)
+ {
+ HASH(dq, *ptr, siglen);
+ ptr++;
+ }
+
+ de = GETSIGN((GISTTYPE *) DatumGetPointer(entry->key));
+ retval = true;
+ LOOPBYTE(siglen)
+ {
+ if (de[i] & ~dq[i])
+ {
+ retval = false;
+ break;
+ }
+ }
+ }
+ else
+ {
+ /*
+ * Unfortunately, because empty arrays could be anywhere in
+ * the index, we must search the whole tree.
+ */
+ retval = true;
+ }
+ break;
+ default:
+ retval = false;
+ }
+ PG_FREE_IF_COPY(query, 1);
+ PG_RETURN_BOOL(retval);
+}
+
+Datum
+g_intbig_options(PG_FUNCTION_ARGS)
+{
+ local_relopts *relopts = (local_relopts *) PG_GETARG_POINTER(0);
+
+ init_local_reloptions(relopts, sizeof(GISTIntArrayBigOptions));
+ add_local_int_reloption(relopts, "siglen",
+ "signature length in bytes",
+ SIGLEN_DEFAULT, 1, SIGLEN_MAX,
+ offsetof(GISTIntArrayBigOptions, siglen));
+
+ PG_RETURN_VOID();
+}
diff --git a/contrib/intarray/bench/bench.pl b/contrib/intarray/bench/bench.pl
new file mode 100755
index 0000000..daf3feb
--- /dev/null
+++ b/contrib/intarray/bench/bench.pl
@@ -0,0 +1,138 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+# make sure we are in a sane environment.
+use DBI();
+use DBD::Pg();
+use Time::HiRes qw( usleep ualarm gettimeofday tv_interval );
+use Getopt::Std;
+
+my %opt;
+getopts('d:b:s:veorauc', \%opt);
+
+if (!(scalar %opt && defined $opt{s}))
+{
+ print <<EOT;
+Usage:
+$0 -d DATABASE -s SECTIONS [-b NUMBER] [-v] [-e] [-o] [-r] [-a] [-u]
+-d DATABASE -DATABASE
+-b NUMBER -number of repeats
+-s SECTIONS -sections, format sid1[,sid2[,sid3[...]]]]
+-v -verbose (show SQL)
+-e -show explain
+-r -use RD-tree index
+-a -AND section
+-o -show output
+-u -unique
+-c -count
+
+EOT
+ exit;
+}
+
+$opt{d} ||= '_int4';
+my $dbi = DBI->connect('DBI:Pg:dbname=' . $opt{d});
+
+my %table;
+my @where;
+
+$table{message} = 1;
+
+if ($opt{a})
+{
+ if ($opt{r})
+ {
+ push @where, "message.sections @ '{$opt{s}}'";
+ }
+ else
+ {
+ foreach my $sid (split(/[,\s]+/, $opt{s}))
+ {
+ push @where, "message.mid = msp$sid.mid";
+ push @where, "msp$sid.sid = $sid";
+ $table{"message_section_map msp$sid"} = 1;
+ }
+ }
+}
+else
+{
+ if ($opt{r})
+ {
+ push @where, "message.sections && '{$opt{s}}'";
+ }
+ else
+ {
+ $table{message_section_map} = 1;
+ push @where, "message.mid = message_section_map.mid";
+ push @where, "message_section_map.sid in ($opt{s})";
+ }
+}
+
+my $outf;
+if ($opt{c})
+{
+ $outf =
+ ($opt{u}) ? 'count( distinct message.mid )' : 'count( message.mid )';
+}
+else
+{
+ $outf = ($opt{u}) ? 'distinct( message.mid )' : 'message.mid';
+}
+my $sql =
+ "select $outf from "
+ . join(', ', keys %table)
+ . " where "
+ . join(' AND ', @where) . ';';
+
+if ($opt{v})
+{
+ print "$sql\n";
+}
+
+if ($opt{e})
+{
+ my @plan =
+ map { "$_->[0]\n" } @{ $dbi->selectall_arrayref("explain $sql") };
+ print @plan;
+}
+
+my $t0 = [gettimeofday];
+my $count = 0;
+my $b = $opt{b};
+$b ||= 1;
+my @a;
+foreach (1 .. $b)
+{
+ @a = exec_sql($dbi, $sql);
+ $count = $#a;
+}
+my $elapsed = tv_interval($t0, [gettimeofday]);
+if ($opt{o})
+{
+ foreach (@a)
+ {
+ print "$_->{mid}\t$_->{sections}\n";
+ }
+}
+print sprintf(
+ "total: %.02f sec; number: %d; for one: %.03f sec; found %d docs\n",
+ $elapsed, $b, $elapsed / $b,
+ $count + 1);
+$dbi->disconnect;
+
+sub exec_sql
+{
+ my ($dbi, $sql, @keys) = @_;
+ my $sth = $dbi->prepare($sql) || die;
+ $sth->execute(@keys) || die;
+ my $r;
+ my @row;
+ while (defined($r = $sth->fetchrow_hashref))
+ {
+ push @row, $r;
+ }
+ $sth->finish;
+ return @row;
+}
diff --git a/contrib/intarray/bench/create_test.pl b/contrib/intarray/bench/create_test.pl
new file mode 100755
index 0000000..3f2a6e4
--- /dev/null
+++ b/contrib/intarray/bench/create_test.pl
@@ -0,0 +1,89 @@
+#!/usr/bin/perl
+
+# contrib/intarray/bench/create_test.pl
+
+use strict;
+use warnings;
+
+print <<EOT;
+create table message (
+ mid int not null,
+ sections int[]
+);
+create table message_section_map (
+ mid int not null,
+ sid int not null
+);
+
+EOT
+
+open(my $msg, '>', "message.tmp") || die;
+open(my $map, '>', "message_section_map.tmp") || die;
+
+srand(1);
+
+#foreach my $i ( 1..1778 ) {
+#foreach my $i ( 1..3443 ) {
+#foreach my $i ( 1..5000 ) {
+#foreach my $i ( 1..29362 ) {
+#foreach my $i ( 1..33331 ) {
+#foreach my $i ( 1..83268 ) {
+foreach my $i (1 .. 200000)
+{
+ my @sect;
+ if (rand() < 0.7)
+ {
+ $sect[0] = int((rand()**4) * 100);
+ }
+ else
+ {
+ my %hash;
+ @sect =
+ grep { $hash{$_}++; $hash{$_} <= 1 }
+ map { int((rand()**4) * 100) } 0 .. (int(rand() * 5));
+ }
+ if ($#sect < 0 || rand() < 0.1)
+ {
+ print $msg "$i\t\\N\n";
+ }
+ else
+ {
+ print $msg "$i\t{" . join(',', @sect) . "}\n";
+ map { print $map "$i\t$_\n" } @sect;
+ }
+}
+close $map;
+close $msg;
+
+copytable('message');
+copytable('message_section_map');
+
+print <<EOT;
+
+CREATE unique index message_key on message ( mid );
+--CREATE unique index message_section_map_key1 on message_section_map ( mid, sid );
+CREATE unique index message_section_map_key2 on message_section_map ( sid, mid );
+CREATE INDEX message_rdtree_idx on message using gist ( sections gist__int_ops );
+VACUUM ANALYZE;
+
+select count(*) from message;
+select count(*) from message_section_map;
+
+
+
+EOT
+
+
+unlink 'message.tmp', 'message_section_map.tmp';
+
+sub copytable
+{
+ my $t = shift;
+
+ print "COPY $t from stdin;\n";
+ open(my $fff, '<', "$t.tmp") || die;
+ while (<$fff>) { print; }
+ close $fff;
+ print "\\.\n";
+ return;
+}
diff --git a/contrib/intarray/data/test__int.data b/contrib/intarray/data/test__int.data
new file mode 100644
index 0000000..b3903d0
--- /dev/null
+++ b/contrib/intarray/data/test__int.data
@@ -0,0 +1,7000 @@
+{18,31,54,95}
+{23,50,13,9,39}
+{99,54,77}
+{79,83,16,63,32}
+{52,41,61,79,94,87}
+{76,59,39,36,21}
+{}
+{41,79,76,96,3}
+{25,59,5,96,32}
+{92,58,12,57}
+{24,48,41,88}
+{39,5,17}
+{10,41,78,25,35}
+{31,89,4}
+{68,74,94}
+{97,78,44,68,81,16}
+{87,76}
+{30,81}
+{72,20,99,26}
+{87,90,98,40,44}
+{24,99,66,61}
+{79,8,48,16}
+{62,99,48,80,75,39}
+{10,60,35,15}
+{45,71,10,97,56}
+{64,79,19,31}
+{30,57,42,31,45}
+{61,42,14,26}
+{12,38,65,36,56,36}
+{17,62,18,56}
+{84,85,90,60,55,17}
+{27,11,82,20,43}
+{14,27,18,48,39,51}
+{53,13,52}
+{56,35,81,60,27}
+{79,89,89,7}
+{65,17,31,17,29,85}
+{21,3}
+{53,55,16,83,4}
+{62,3,63}
+{73,40,99}
+{23,80}
+{2,74,42,37,21}
+{12,16}
+{80,60}
+{19,62,34}
+{38,19,31,6,15,2}
+{63,96,64,4,36,15}
+{9,3}
+{91,87,15,18,7,66}
+{17,10}
+{77,96}
+{11,43,31,2,89}
+{17,77,89,50}
+{24,6,61,88,51}
+{61,50,59,90,5,89}
+{58,1,39,48}
+{78,36,70,92}
+{43,3,22,95,51}
+{}
+{88,64,25,64,86}
+{34,6,49,90,25}
+{86,35,13,22}
+{21,44,83}
+{42,88,72,65,59,96}
+{36,33,1,98}
+{16,54}
+{35,16,44}
+{73,23,20}
+{84,25,1,52,35}
+{27,36,54,87,31}
+{38,47,83,3}
+{64,13}
+{65,84,85,16,22}
+{57,9,39,73}
+{89,11,67,55,73}
+{78,39,84,63,62,45}
+{50,63,8}
+{}
+{96,36,58,65,96}
+{59,86,41,30}
+{90,60,39,47,19}
+{70,100,73,99}
+{}
+{85,14,39}
+{76,53}
+{96,38,52,13,87,85}
+{97,51,15,30,53,87}
+{30,59,9,40,13}
+{31,91,68,79}
+{37,56,39,78,75}
+{82,2,47}
+{33,25,45,40}
+{51,21,92,20,18,76}
+{84,93,36,95,34,69}
+{66,25,5,40}
+{77,6,57,42}
+{}
+{88,81,85,37,12}
+{56,73,38}
+{70,70,6,19}
+{82,54,91}
+{75,8}
+{45,33,64,90,95}
+{8,71,66,12}
+{56,26,68,94}
+{70,77,4,96,62,83}
+{23,87}
+{34,34,4,33}
+{28,84}
+{78,75,77}
+{88,53}
+{27,38}
+{2,2,82}
+{30,52,88,61,33}
+{29,72,94,68}
+{85,72}
+{88,4}
+{63,90,43,66,24,33}
+{88,48,47}
+{3,11,98,37,61}
+{45,65,63,15,38}
+{79,45,56,94}
+{56,74,78,19,76}
+{24,81,64,13,100}
+{93,27,63,71,27,3}
+{74,13,85,86,32,60}
+{98,40,63,13}
+{41,95,19,93,17,84}
+{90,28,100,100,19,2}
+{35,15,54}
+{29,81,77}
+{54,64,63,12,18}
+{38,43,85,21,35}
+{84,28,27,4,80,27}
+{80,77,55,98}
+{13,71,48,55,89,38}
+{58,43,27,5,57}
+{5,33,96,6}
+{73,93,87,69,100,24}
+{58,96,38,85,55,51}
+{37,30,88,4,8,59}
+{24,68,43,48,18,84}
+{23,100,82,30,42}
+{23,36,16,99,27}
+{41,75}
+{66,41,10,37,16,6}
+{54,49,60}
+{4,56,44,72,40}
+{71,96,67,100,59}
+{7,41}
+{8,3,27}
+{38,69,47,68,5,24}
+{43,100,59,62}
+{92,14,34,5,71,48}
+{72,5,91,29,99,36}
+{62,71,37,80,62,50}
+{32,45,17}
+{89,68}
+{52,17,55}
+{21,47,15,92}
+{36,100,5}
+{14,76,59,11,15}
+{59,72}
+{37,55,89,49}
+{87,79,96,20,93}
+{6,44}
+{32,46,25}
+{27,47,76,4,54}
+{2,16}
+{90,36}
+{11,19,27,79}
+{54,4}
+{72,88}
+{14,85,71,69,5,22}
+{31,48}
+{28,35,18}
+{77,55,100,73,57,62}
+{}
+{14,59,53}
+{98,3}
+{13,56}
+{26,61,88,54,88,33}
+{70,12}
+{55,16,15,42,76}
+{13,75}
+{97,38,82,51,86,53}
+{41,76,39,84,32}
+{94,66,47}
+{55,28}
+{}
+{94,65,59,20}
+{55,50,56,14,58}
+{14,94,52,25,69,95}
+{20,96}
+{37,38}
+{26,35,9,98,74}
+{11,9,41,79}
+{36,57,87,69,92,89}
+{11,39,60,4,47,3}
+{97,5}
+{16,58,38,98,42}
+{46,69}
+{35,54}
+{36,79,54}
+{}
+{63,78}
+{12,86,52,29,60,30}
+{29,27,58,86,42,62}
+{42,12,60}
+{90,93,85,29}
+{16,8,45}
+{29,33,85}
+{32,14,6,47,74}
+{14,85,14,26,3}
+{46,71,10,16}
+{30,63}
+{}
+{91,30,56}
+{46,36,68,91,36,88}
+{24,61}
+{66,21,80,14}
+{43,63,50,21,11}
+{38,46,18,51}
+{38,28,70}
+{17,41,76,1,30}
+{47,63}
+{56,80,85,1,7,97}
+{75,5,79,32}
+{5,17,66,51,68}
+{6,83,2}
+{25,40,79,84}
+{58,38,12,68}
+{55,86,20,67,27}
+{58,64}
+{14,51}
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+\N
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+{9,44,145,251,272}
+{132,203,249,282}
+{7,41,170,254}
+{6,153,193,291}
+{18,134,137,227,261}
+{14,36,115,124,172,229}
+{54,206}
+{49,91,131,185,204}
+{7,242}
+{41,57,161}
+{93,224,241,288}
+{119,288}
+{90,99,117,196,296}
+{67,85,154}
+{147,169,216,264}
+{79,92,164}
+{19,120,132,197,267}
+{76,264}
+{30,133}
+{27,37,93,138,218}
+{152,155,244}
+{41,149,182,259}
+{29,178,224}
+{115,201,268}
+{141,166,253,282}
+{3,65,125,245,264}
+{6,150,159,202,206,277}
+{217,276}
+{28,96,144,193}
+{7,59,190}
+{144,217}
+{10,79,96,100,126,222}
+{7,61,253}
+{14,69,263}
+{3,30,63,125,186,277}
+{2,10,79,100,223}
+{131,131,239}
+{116,195,199,240}
+{87,99,158}
+{52,180}
+{7,12,140,208,275}
+{65,67,83,280}
+{4,52,125,126,137,176}
+{9,48,79,203,217,243}
+{43,206,251}
+{19,112,196,263,266}
+{29,70,256}
+{161,236,258}
+{8,25,42,97,291}
+{63,144,242,271}
+{7,17}
+{1,85,250}
+{104,244,250}
+{18,22,31,99,266,281}
+{51,138,237,268,288}
+{8,40,91,221,273}
+{0,176,230,249,254,255}
+{44,140,176,194,197}
+{56,197,264}
+{229,246,283}
+{53,128,173,233,282}
+{45,193,221}
+{21,80,286}
+{4,18,267}
+{15,97,220}
+{62,70,83,147,149,244}
+{120,134,159,174,250}
+{116,269}
+{23,108}
+{10,91,239}
+{7,128,142,243,286}
+{134,201,245,275,278}
+{13,208,227,288}
+{30,78,85}
+{107,179}
+{31,59,153,217,240,298}
+{27,130,233,282,286}
+{15,59,136,262}
+{85,186,233}
+{10,152,165,181,181}
+{137,183}
+{40,56,125,256,265,280}
+{12,22,120,183}
+{62,229}
+{38,59,81,113,261}
+{67,194,229}
+{7,173}
+{37,43,296}
+{59,162,285}
+{171,200,213,213}
+{116,123,209,234,277}
+{52,175}
+{189,213}
+{30,94,99,228,238}
+{46,101,154,260,272,274}
+{30,32,59}
+{65,172,292}
+{18,22,131,170,271}
+{2,53,88,104,264,265}
+{60,194,288}
+{15,108,121,161,201}
+{40,85,173,195,201,221}
+{54,86,107,174,287}
+{20,71,190,227}
+{16,46,66,175,197,252}
+{130,243,252,282}
+{142,219,266,272}
+{14,202,204,231,241,276}
+{161,172,212,222}
+{15,183,275}
+{83,270}
+{67,204}
+{65,184,264}
+{73,119,183,190,242}
+{53,287}
+{24,171}
+{72,220,220}
+{101,136,176,204,224,280}
+{39,47,282}
+{106,162,238,252}
+{23,242,247,265}
+{98,108,189,209,273}
+{122,245,270}
+{109,127,128,244,299}
+{41,162,186,191}
+{60,196}
+{0,123,129,213,248}
+{29,79,89,91}
+{172,298}
+{122,140,162,228,263,268}
+{2,116,247,294}
+{6,138}
+{17,98,287}
+{53,166,187,219,248,296}
+{15,26,90,175,196}
+{184,193,198}
+{17,69,76,105,183,264}
+{56,101,110}
+{15,108,139,168,272}
+{5,71,104,141}
+{136,179}
+{72,189}
+{54,79,208}
+{98,113,150,184,190,246}
+{37,69,132,210,285}
+{1,29,45,74,109,145}
+{11,72,133,149,216}
+{34,57,84,212,280}
+{131,211,294}
+{70,84,173}
+{193,213,230,266,285,299}
+{57,94,163,182,227}
+{44,133,143}
+{31,32,211}
+{130,142,165,188,194,231}
+{52,61,139,226,239,287}
+{7,103,157}
+{155,224,230}
+{127,135,139}
+{77,237,294}
+{10,213,278}
+{28,90,185,274}
+{59,105,282,297}
+{39,128,174,268}
+{32,158,215}
+{24,145,189,213,278}
+{78,148,230,263}
+{42,68,93,160,287,299}
+{4,12,70,91,191,237}
+{20,294}
+{45,53,77,113,211,240}
+{232,237}
+{125,152,284}
+{58,81,155,215,296}
+{4,8,44}
+{1,52,102,128,184,218}
+{185,199,226,299}
+{10,178,262,285}
+{80,95,230,240,266}
+{4,5,213}
+{156,187,271,298}
+{88,298}
+{109,233,290}
+{47,65,91,105,249,269}
+{97,129}
+{46,92,207}
+{2,163,249,259,291}
+{89,102,140,158,231}
+{162,184,283}
+{36,213}
+{163,259}
+{47,220,250}
+{37,89,105,124,143,198}
+{3,71}
+{142,165,190,256,269,269}
+{152,256}
+{27,49,191,198,220,285}
+{71,73,87,189,260}
+{11,54,90,106,130,216}
+{193,245,252}
+{2,8,57,91,163,184}
+{18,171,283}
+{28,41,110,112}
+{5,57}
+{137,262,285}
+{19,57,156,229,269}
+{138,179,190,199,281}
+{35,98,196,242}
+{122,152}
+{83,132,181,212,280,288}
+{219,298}
+{57,88,103}
+{5,203}
+{98,156,266}
+{10,45,72,169,211}
+{45,101,156,214,269}
+{68,73,81}
+{16,127,259}
+{9,32,246}
+{66,173,261,261,274}
+{17,115,157,169,251}
+{49,158}
+{25,37}
+{2,73,103,178,194,236}
+{238,269,273}
+{162,178,276}
+{48,52,160,237,288}
+{54,82,130,135,169,275}
+{29,142}
+{205,249,253,275,291}
+{60,76,84,115,126}
+{48,108,153,213,231}
+{23,124,175,210,226,293}
+{9,181}
+{20,99,112,166,201,242}
+{102,150,201}
+{41,98,240,244,260}
+{7,44,98,293}
+{0,125,177,283}
+{28,118,124,148,241,290}
+{73,91,122}
+{9,72,109,130,202,290}
+{70,111,120,160,216,262}
+{59,175,296}
+{2,201}
+{83,297}
+{76,293}
+{83,127,136,242,275,285}
+{169,190,195}
+{83,122,186,189,217,229}
+{98,210,229}
+{117,133}
+{74,294}
+{6,31,59,143,156,273}
+{98,180,241}
+{26,52,114,243}
+{112,240}
+{104,217}
+{148,162,259,279}
+{92,101,150,226,272,295}
+{55,86,118,202,237,275}
+{81,203}
+{79,126,177,265}
+{57,193}
+{169,240,244}
+{21,171,190,250,263}
+{23,37,215,235}
+{40,54,240,286}
+{105,177,190,276,285}
+{44,45,122,151}
+{28,31,187}
+{127,135,211}
+{5,13,150,194,259}
+{136,181,280}
+{20,147,158,189,200}
+{15,83,88,128,169}
+{10,14,25,26,150,158}
+{42,101,172,205}
+{85,185,226,236,271}
+{34,127,188,250,268}
+{27,143}
+{26,48,99,110,117,207}
+{22,56,190,269,287}
+{200,278}
+{70,134,138,204,216,298}
+{175,219,297}
+{99,273}
+{206,216}
+{23,214}
+{131,140}
+{11,140,240}
+{73,148}
+{7,66,125,210}
+{2,61,92}
+{0,137}
+{143,188,265}
+{177,238}
+{0,93,163,229}
+{35,49}
+{8,8,111,144,165}
+{99,278}
+{21,44,71,224,252,270}
+{119,150,175,233,245,294}
+{15,87}
+{84,211,217,225}
+{20,41,87,123,124,299}
+{62,120,169}
+{37,43,92,175,206,222}
+{95,168,180,250,269,296}
+{60,228,278,285}
+{173,195,232,276}
+{1,2,139,256,278}
+{51,119}
+{212,238,291}
+{120,172,292}
+{138,279}
+{251,261}
+{151,181,278,296}
+{163,207,220,289,295}
+{89,278,290}
+{24,137,157,206,271,278}
+{7,63,83,89,155,189}
+{2,5,172,195,215,260}
+{243,281}
+{60,125}
+{74,87,222,236}
+{45,70,159,194}
+{69,159,250}
+{150,214,296}
+{101,158,250}
+{56,134}
+{57,87,160,167,247,285}
+{123,269}
+{235,242}
+{79,95,115,167,287}
+{31,56,132,244,276}
+{25,218,241,241}
+{57,82,151,170,204}
+{69,103,288}
+{88,138,154,292}
+{14,98,138,227,245,249}
+{175,222,274}
+{38,139,193,208,277}
+{79,141}
+{5,77,197,209}
+{15,37,77,110,116}
+{26,226}
+{68,93,101,140,233}
+{53,96,170,192,290}
+{29,89,102,216,220}
+{11,85,136,239}
+{158,180,195,200,226}
+{10,49,118,137,172}
+{144,172,183}
+{14,176,188,215,272}
+{42,97,125}
+{114,166}
+{52,61,162,171,249}
+{140,195,242}
+{59,99,233}
+{31,76,136,181,187}
+{81,112,157,168,271,294}
+{8,35,44,48,190,297}
+{145,195,201}
+{160,248,291}
+{94,270,285}
+{116,139,225}
+{111,131,140}
+{158,277}
+{59,229,257}
+{25,47,99,123,239}
+{8,36,205,274,295}
+{132,152,178,192,235}
+{19,40,96,204}
+{7,77}
+{211,282}
+{26,100,180,244,281,296}
+{200,212,286}
+{5,94,151,290}
+{75,80,128,179,269,269}
+{7,111}
+{7,26,69,158,269,276}
+{7,36,74,94,171,215}
+{2,62,65,93,124,271}
+{78,96,109,189}
+{182,197,280,298}
+{17,78,82,85,85,208}
+{6,122,155}
+{14,33,130}
+{1,21,167,169}
+{49,85,158,175,213}
+{59,194}
+{125,132,259,285}
+{20,38,81,89,234,274}
+{106,140,156,287}
+{57,125}
+{53,103,158,204,234,267}
+{0,49,160,189,235}
+{34,115,142,207}
+{162,173,181,190,298}
+{11,76,116,166,191}
+{2,87,99,236,279}
+{40,203}
+{2,33,39,215,254}
+{53,69,83,224,228}
+{79,136,183,216,226,227}
+{10,109,137,163,240}
+{24,126,141}
+{69,255}
+{103,138,230,246,259,283}
+{136,290}
+{13,34,78,145,166,242}
+{38,74,83,242,294}
+{54,248,273}
+{107,162}
+{50,170,176,191,207,275}
+{32,134,166,288,292}
+{163,167,186,274,291,296}
+{31,86,123,156,160}
+{114,133,136,176,281,290}
+{105,147,211}
+{124,151,179,222,299}
+{87,101}
+{145,169,181,205,247}
+{6,266}
+{26,33,52,56,106,116}
+{19,21,65,89,104,168}
+{164,181,208}
+{36,67,92,116,248}
+{145,200,247}
+{155,215}
+{49,212}
+{29,57,105,117,131}
+{2,13,68,128,139,140}
+{193,273,273}
+{3,78,105,111,297}
+{49,142,244}
+{32,259}
+{161,205}
+{96,146,179,259}
+{44,45,211,233}
+{56,91,146,166,285}
+{87,107,120,262,299}
+{76,160,276,297}
+{248,266}
+{5,12,188,240,247}
+{164,206,293}
+{15,18,60,163}
+{53,134,172,230,287,290}
+{117,137,146,153,155}
+{72,270}
+{171,251}
+{80,125,137,141,169}
+{52,108,200,219,225,271}
+{29,78,106,221}
+{21,74,110,273}
+{28,88,98,170}
+{83,104}
+{12,152}
+{7,69,143,246,265,269}
+{62,106,157,200}
+{113,260,272,272,294}
+{16,35,80,121,165,176}
+{96,154,172,198,263}
+{29,53,109,128,129,195}
+{131,230,271,273,295,299}
+{53,160,208,231}
+{23,180,208,249,272}
+{45,208,264}
+{14,29,169}
+{116,147,272}
+{7,193,237,271}
+{158,198,253}
+{41,60,71}
+{110,133,200,249}
+{24,159,255}
+{26,39,61,114,218,229}
+{141,286,299}
+{74,278}
+{67,71,155}
+{151,257,284}
+{13,28,72,131,206}
+{60,152,275,295}
+{88,105,184,185}
+{85,190,205,256,283,285}
+{202,285}
+{14,92,160,200,246,279}
+{42,95,157,195}
+{50,99,224,276}
+{32,97,101,122}
+{66,85}
+{19,146,180,242,269,286}
+{24,86,247,274}
+{54,264,270,284}
+{72,77,85,124,127,285}
+{47,249}
+{25,73,102,237}
+{33,68,84,117,120}
+{29,62,172,240,242,273}
+{42,140,182,248,261,282}
+{118,228,284}
+{1,89,158,294}
+{29,89,122,155,208,283}
+{173,208,229}
+{6,22,142,267,299}
+{22,122,173,245,293}
diff --git a/contrib/intarray/expected/_int.out b/contrib/intarray/expected/_int.out
new file mode 100644
index 0000000..a09d40e
--- /dev/null
+++ b/contrib/intarray/expected/_int.out
@@ -0,0 +1,858 @@
+CREATE EXTENSION intarray;
+-- Check whether any of our opclasses fail amvalidate
+SELECT amname, opcname
+FROM pg_opclass opc LEFT JOIN pg_am am ON am.oid = opcmethod
+WHERE opc.oid >= 16384 AND NOT amvalidate(opc.oid);
+ amname | opcname
+--------+---------
+(0 rows)
+
+SELECT intset(1234);
+ intset
+--------
+ {1234}
+(1 row)
+
+SELECT icount('{1234234,234234}');
+ icount
+--------
+ 2
+(1 row)
+
+SELECT sort('{1234234,-30,234234}');
+ sort
+----------------------
+ {-30,234234,1234234}
+(1 row)
+
+SELECT sort('{1234234,-30,234234}','asc');
+ sort
+----------------------
+ {-30,234234,1234234}
+(1 row)
+
+SELECT sort('{1234234,-30,234234}','desc');
+ sort
+----------------------
+ {1234234,234234,-30}
+(1 row)
+
+SELECT sort_asc('{1234234,-30,234234}');
+ sort_asc
+----------------------
+ {-30,234234,1234234}
+(1 row)
+
+SELECT sort_desc('{1234234,-30,234234}');
+ sort_desc
+----------------------
+ {1234234,234234,-30}
+(1 row)
+
+SELECT uniq('{1234234,-30,-30,234234,-30}');
+ uniq
+--------------------------
+ {1234234,-30,234234,-30}
+(1 row)
+
+SELECT uniq(sort_asc('{1234234,-30,-30,234234,-30}'));
+ uniq
+----------------------
+ {-30,234234,1234234}
+(1 row)
+
+SELECT idx('{1234234,-30,-30,234234,-30}',-30);
+ idx
+-----
+ 2
+(1 row)
+
+SELECT subarray('{1234234,-30,-30,234234,-30}',2,3);
+ subarray
+------------------
+ {-30,-30,234234}
+(1 row)
+
+SELECT subarray('{1234234,-30,-30,234234,-30}',-1,1);
+ subarray
+----------
+ {-30}
+(1 row)
+
+SELECT subarray('{1234234,-30,-30,234234,-30}',0,-1);
+ subarray
+--------------------------
+ {1234234,-30,-30,234234}
+(1 row)
+
+SELECT #'{1234234,234234}'::int[];
+ ?column?
+----------
+ 2
+(1 row)
+
+SELECT '{123,623,445}'::int[] + 1245;
+ ?column?
+--------------------
+ {123,623,445,1245}
+(1 row)
+
+SELECT '{123,623,445}'::int[] + 445;
+ ?column?
+-------------------
+ {123,623,445,445}
+(1 row)
+
+SELECT '{123,623,445}'::int[] + '{1245,87,445}';
+ ?column?
+---------------------------
+ {123,623,445,1245,87,445}
+(1 row)
+
+SELECT '{123,623,445}'::int[] - 623;
+ ?column?
+-----------
+ {123,445}
+(1 row)
+
+SELECT '{123,623,445}'::int[] - '{1623,623}';
+ ?column?
+-----------
+ {123,445}
+(1 row)
+
+SELECT '{123,623,445}'::int[] | 623;
+ ?column?
+---------------
+ {123,445,623}
+(1 row)
+
+SELECT '{123,623,445}'::int[] | 1623;
+ ?column?
+--------------------
+ {123,445,623,1623}
+(1 row)
+
+SELECT '{123,623,445}'::int[] | '{1623,623}';
+ ?column?
+--------------------
+ {123,445,623,1623}
+(1 row)
+
+SELECT '{123,623,445}'::int[] & '{1623,623}';
+ ?column?
+----------
+ {623}
+(1 row)
+
+SELECT '{-1,3,1}'::int[] & '{1,2}';
+ ?column?
+----------
+ {1}
+(1 row)
+
+SELECT '{1}'::int[] & '{2}'::int[];
+ ?column?
+----------
+ {}
+(1 row)
+
+SELECT array_dims('{1}'::int[] & '{2}'::int[]);
+ array_dims
+------------
+
+(1 row)
+
+SELECT ('{1}'::int[] & '{2}'::int[]) = '{}'::int[];
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT ('{}'::int[] & '{}'::int[]) = '{}'::int[];
+ ?column?
+----------
+ t
+(1 row)
+
+--test query_int
+SELECT '1'::query_int;
+ query_int
+-----------
+ 1
+(1 row)
+
+SELECT ' 1'::query_int;
+ query_int
+-----------
+ 1
+(1 row)
+
+SELECT '1 '::query_int;
+ query_int
+-----------
+ 1
+(1 row)
+
+SELECT ' 1 '::query_int;
+ query_int
+-----------
+ 1
+(1 row)
+
+SELECT ' ! 1 '::query_int;
+ query_int
+-----------
+ !1
+(1 row)
+
+SELECT '!1'::query_int;
+ query_int
+-----------
+ !1
+(1 row)
+
+SELECT '1|2'::query_int;
+ query_int
+-----------
+ 1 | 2
+(1 row)
+
+SELECT '1|!2'::query_int;
+ query_int
+-----------
+ 1 | !2
+(1 row)
+
+SELECT '!1|2'::query_int;
+ query_int
+-----------
+ !1 | 2
+(1 row)
+
+SELECT '!1|!2'::query_int;
+ query_int
+-----------
+ !1 | !2
+(1 row)
+
+SELECT '!(!1|!2)'::query_int;
+ query_int
+--------------
+ !( !1 | !2 )
+(1 row)
+
+SELECT '!(!1|2)'::query_int;
+ query_int
+-------------
+ !( !1 | 2 )
+(1 row)
+
+SELECT '!(1|!2)'::query_int;
+ query_int
+-------------
+ !( 1 | !2 )
+(1 row)
+
+SELECT '!(1|2)'::query_int;
+ query_int
+------------
+ !( 1 | 2 )
+(1 row)
+
+SELECT '1&2'::query_int;
+ query_int
+-----------
+ 1 & 2
+(1 row)
+
+SELECT '!1&2'::query_int;
+ query_int
+-----------
+ !1 & 2
+(1 row)
+
+SELECT '1&!2'::query_int;
+ query_int
+-----------
+ 1 & !2
+(1 row)
+
+SELECT '!1&!2'::query_int;
+ query_int
+-----------
+ !1 & !2
+(1 row)
+
+SELECT '(1&2)'::query_int;
+ query_int
+-----------
+ 1 & 2
+(1 row)
+
+SELECT '1&(2)'::query_int;
+ query_int
+-----------
+ 1 & 2
+(1 row)
+
+SELECT '!(1)&2'::query_int;
+ query_int
+-----------
+ !1 & 2
+(1 row)
+
+SELECT '!(1&2)'::query_int;
+ query_int
+------------
+ !( 1 & 2 )
+(1 row)
+
+SELECT '1|2&3'::query_int;
+ query_int
+-----------
+ 1 | 2 & 3
+(1 row)
+
+SELECT '1|(2&3)'::query_int;
+ query_int
+-----------
+ 1 | 2 & 3
+(1 row)
+
+SELECT '(1|2)&3'::query_int;
+ query_int
+---------------
+ ( 1 | 2 ) & 3
+(1 row)
+
+SELECT '1|2&!3'::query_int;
+ query_int
+------------
+ 1 | 2 & !3
+(1 row)
+
+SELECT '1|!2&3'::query_int;
+ query_int
+------------
+ 1 | !2 & 3
+(1 row)
+
+SELECT '!1|2&3'::query_int;
+ query_int
+------------
+ !1 | 2 & 3
+(1 row)
+
+SELECT '!1|(2&3)'::query_int;
+ query_int
+------------
+ !1 | 2 & 3
+(1 row)
+
+SELECT '!(1|2)&3'::query_int;
+ query_int
+----------------
+ !( 1 | 2 ) & 3
+(1 row)
+
+SELECT '(!1|2)&3'::query_int;
+ query_int
+----------------
+ ( !1 | 2 ) & 3
+(1 row)
+
+SELECT '1|(2|(4|(5|6)))'::query_int;
+ query_int
+-------------------------------
+ 1 | ( 2 | ( 4 | ( 5 | 6 ) ) )
+(1 row)
+
+SELECT '1|2|4|5|6'::query_int;
+ query_int
+-------------------------------
+ ( ( ( 1 | 2 ) | 4 ) | 5 ) | 6
+(1 row)
+
+SELECT '1&(2&(4&(5&6)))'::query_int;
+ query_int
+-------------------
+ 1 & 2 & 4 & 5 & 6
+(1 row)
+
+SELECT '1&2&4&5&6'::query_int;
+ query_int
+-------------------
+ 1 & 2 & 4 & 5 & 6
+(1 row)
+
+SELECT '1&(2&(4&(5|6)))'::query_int;
+ query_int
+-----------------------
+ 1 & 2 & 4 & ( 5 | 6 )
+(1 row)
+
+SELECT '1&(2&(4&(5|!6)))'::query_int;
+ query_int
+------------------------
+ 1 & 2 & 4 & ( 5 | !6 )
+(1 row)
+
+CREATE TABLE test__int( a int[] );
+\copy test__int from 'data/test__int.data'
+ANALYZE test__int;
+SELECT count(*) from test__int WHERE a && '{23,50}';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23|50';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23&50';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+ count
+-------
+ 10
+(1 row)
+
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '50&68';
+ count
+-------
+ 9
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+ count
+-------
+ 6566
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+ count
+-------
+ 6343
+(1 row)
+
+SET enable_seqscan = off; -- not all of these would use index by default
+CREATE INDEX text_idx on test__int using gist ( a gist__int_ops );
+SELECT count(*) from test__int WHERE a && '{23,50}';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23|50';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23&50';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+ count
+-------
+ 10
+(1 row)
+
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '50&68';
+ count
+-------
+ 9
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+ count
+-------
+ 6566
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+ count
+-------
+ 6343
+(1 row)
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gist (a gist__int_ops(numranges = 0));
+ERROR: value 0 out of bounds for option "numranges"
+DETAIL: Valid values are between "1" and "252".
+CREATE INDEX text_idx on test__int using gist (a gist__int_ops(numranges = 253));
+ERROR: value 253 out of bounds for option "numranges"
+DETAIL: Valid values are between "1" and "252".
+CREATE INDEX text_idx on test__int using gist (a gist__int_ops(numranges = 252));
+SELECT count(*) from test__int WHERE a && '{23,50}';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23|50';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23&50';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+ count
+-------
+ 10
+(1 row)
+
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '50&68';
+ count
+-------
+ 9
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+ count
+-------
+ 6566
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+ count
+-------
+ 6343
+(1 row)
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gist (a gist__intbig_ops(siglen = 0));
+ERROR: value 0 out of bounds for option "siglen"
+DETAIL: Valid values are between "1" and "2024".
+CREATE INDEX text_idx on test__int using gist (a gist__intbig_ops(siglen = 2025));
+ERROR: value 2025 out of bounds for option "siglen"
+DETAIL: Valid values are between "1" and "2024".
+CREATE INDEX text_idx on test__int using gist (a gist__intbig_ops(siglen = 2024));
+SELECT count(*) from test__int WHERE a && '{23,50}';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23|50';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23&50';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+ count
+-------
+ 10
+(1 row)
+
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '50&68';
+ count
+-------
+ 9
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+ count
+-------
+ 6566
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+ count
+-------
+ 6343
+(1 row)
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gist ( a gist__intbig_ops );
+SELECT count(*) from test__int WHERE a && '{23,50}';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23|50';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23&50';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+ count
+-------
+ 10
+(1 row)
+
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '50&68';
+ count
+-------
+ 9
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+ count
+-------
+ 6566
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+ count
+-------
+ 6343
+(1 row)
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gin ( a gin__int_ops );
+SELECT count(*) from test__int WHERE a && '{23,50}';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23|50';
+ count
+-------
+ 403
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '23&50';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+ count
+-------
+ 12
+(1 row)
+
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+ count
+-------
+ 10
+(1 row)
+
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '50&68';
+ count
+-------
+ 9
+(1 row)
+
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+ count
+-------
+ 21
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+ count
+-------
+ 6566
+(1 row)
+
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+ count
+-------
+ 6343
+(1 row)
+
+RESET enable_seqscan;
diff --git a/contrib/intarray/intarray--1.0--1.1.sql b/contrib/intarray/intarray--1.0--1.1.sql
new file mode 100644
index 0000000..fecebdd
--- /dev/null
+++ b/contrib/intarray/intarray--1.0--1.1.sql
@@ -0,0 +1,49 @@
+/* contrib/intarray/intarray--1.0--1.1.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION intarray UPDATE TO '1.1'" to load this file. \quit
+
+CREATE FUNCTION _int_matchsel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE;
+
+ALTER OPERATOR @@ (_int4, query_int) SET (RESTRICT = _int_matchsel);
+ALTER OPERATOR ~~ (query_int, _int4) SET (RESTRICT = _int_matchsel);
+
+CREATE FUNCTION _int_overlap_sel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE;
+
+CREATE FUNCTION _int_contains_sel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE;
+
+CREATE FUNCTION _int_contained_sel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE;
+
+CREATE FUNCTION _int_overlap_joinsel(internal, oid, internal, smallint, internal)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE;
+
+CREATE FUNCTION _int_contains_joinsel(internal, oid, internal, smallint, internal)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE;
+
+CREATE FUNCTION _int_contained_joinsel(internal, oid, internal, smallint, internal)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE;
+
+ALTER OPERATOR && (_int4, _int4) SET (RESTRICT = _int_overlap_sel, JOIN = _int_overlap_joinsel);
+ALTER OPERATOR @> (_int4, _int4) SET (RESTRICT = _int_contains_sel, JOIN = _int_contains_joinsel);
+ALTER OPERATOR <@ (_int4, _int4) SET (RESTRICT = _int_contained_sel, JOIN = _int_contained_joinsel);
+
+ALTER OPERATOR @ (_int4, _int4) SET (RESTRICT = _int_contains_sel, JOIN = _int_contains_joinsel);
+ALTER OPERATOR ~ (_int4, _int4) SET (RESTRICT = _int_contained_sel, JOIN = _int_contained_joinsel);
diff --git a/contrib/intarray/intarray--1.1--1.2.sql b/contrib/intarray/intarray--1.1--1.2.sql
new file mode 100644
index 0000000..919340e
--- /dev/null
+++ b/contrib/intarray/intarray--1.1--1.2.sql
@@ -0,0 +1,94 @@
+/* contrib/intarray/intarray--1.1--1.2.sql */
+
+-- complain if script is sourced in psql, rather than via ALTER EXTENSION
+\echo Use "ALTER EXTENSION intarray UPDATE TO '1.2'" to load this file. \quit
+
+-- Update procedure signatures the hard way.
+-- We use to_regprocedure() so that query doesn't fail if run against 9.6beta1 definitions,
+-- wherein the signatures have been updated already. In that case to_regprocedure() will
+-- return NULL and no updates will happen.
+DO LANGUAGE plpgsql
+$$
+DECLARE
+ my_schema pg_catalog.text := pg_catalog.quote_ident(pg_catalog.current_schema());
+ old_path pg_catalog.text := pg_catalog.current_setting('search_path');
+BEGIN
+-- for safety, transiently set search_path to just pg_catalog+pg_temp
+PERFORM pg_catalog.set_config('search_path', 'pg_catalog, pg_temp', true);
+
+UPDATE pg_catalog.pg_proc SET
+ proargtypes = pg_catalog.array_to_string(newtypes::pg_catalog.oid[], ' ')::pg_catalog.oidvector,
+ pronargs = pg_catalog.array_length(newtypes, 1)
+FROM (VALUES
+(NULL::pg_catalog.text, NULL::pg_catalog.text[]), -- establish column types
+('g_int_consistent(internal,_int4,int4,oid,internal)', '{internal,_int4,int2,oid,internal}'),
+('g_intbig_consistent(internal,internal,int4,oid,internal)', '{internal,_int4,int2,oid,internal}'),
+('g_intbig_same(internal,internal,internal)', '{SCH.intbig_gkey,SCH.intbig_gkey,internal}'),
+('ginint4_queryextract(internal,internal,int2,internal,internal,internal,internal)', '{_int4,internal,int2,internal,internal,internal,internal}'),
+('ginint4_consistent(internal,int2,internal,int4,internal,internal,internal,internal)', '{internal,int2,_int4,int4,internal,internal,internal,internal}')
+) AS update_data (oldproc, newtypestext),
+LATERAL (
+ SELECT array_agg(replace(typ, 'SCH', my_schema)::regtype) as newtypes FROM unnest(newtypestext) typ
+) ls
+WHERE oid = to_regprocedure(my_schema || '.' || replace(oldproc, 'SCH', my_schema));
+
+UPDATE pg_catalog.pg_proc SET
+ prorettype = (my_schema || '.intbig_gkey')::pg_catalog.regtype
+WHERE oid = pg_catalog.to_regprocedure(my_schema || '.g_intbig_union(internal,internal)');
+
+PERFORM pg_catalog.set_config('search_path', old_path, true);
+END
+$$;
+
+ALTER FUNCTION bqarr_in(cstring) PARALLEL SAFE;
+ALTER FUNCTION bqarr_out(query_int) PARALLEL SAFE;
+ALTER FUNCTION querytree(query_int) PARALLEL SAFE;
+ALTER FUNCTION boolop(_int4, query_int) PARALLEL SAFE;
+ALTER FUNCTION rboolop(query_int, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_matchsel(internal, oid, internal, integer) PARALLEL SAFE;
+ALTER FUNCTION _int_contains(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_contained(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_overlap(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_same(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_different(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_union(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_inter(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION _int_overlap_sel(internal, oid, internal, integer) PARALLEL SAFE;
+ALTER FUNCTION _int_contains_sel(internal, oid, internal, integer) PARALLEL SAFE;
+ALTER FUNCTION _int_contained_sel(internal, oid, internal, integer) PARALLEL SAFE;
+ALTER FUNCTION _int_overlap_joinsel(internal, oid, internal, smallint, internal) PARALLEL SAFE;
+ALTER FUNCTION _int_contains_joinsel(internal, oid, internal, smallint, internal) PARALLEL SAFE;
+ALTER FUNCTION _int_contained_joinsel(internal, oid, internal, smallint, internal) PARALLEL SAFE;
+ALTER FUNCTION intset(int4) PARALLEL SAFE;
+ALTER FUNCTION icount(_int4) PARALLEL SAFE;
+ALTER FUNCTION sort(_int4, text) PARALLEL SAFE;
+ALTER FUNCTION sort(_int4) PARALLEL SAFE;
+ALTER FUNCTION sort_asc(_int4) PARALLEL SAFE;
+ALTER FUNCTION sort_desc(_int4) PARALLEL SAFE;
+ALTER FUNCTION uniq(_int4) PARALLEL SAFE;
+ALTER FUNCTION idx(_int4, int4) PARALLEL SAFE;
+ALTER FUNCTION subarray(_int4, int4, int4) PARALLEL SAFE;
+ALTER FUNCTION subarray(_int4, int4) PARALLEL SAFE;
+ALTER FUNCTION intarray_push_elem(_int4, int4) PARALLEL SAFE;
+ALTER FUNCTION intarray_push_array(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION intarray_del_elem(_int4, int4) PARALLEL SAFE;
+ALTER FUNCTION intset_union_elem(_int4, int4) PARALLEL SAFE;
+ALTER FUNCTION intset_subtract(_int4, _int4) PARALLEL SAFE;
+ALTER FUNCTION g_int_consistent(internal, _int4, smallint, oid, internal) PARALLEL SAFE;
+ALTER FUNCTION g_int_compress(internal) PARALLEL SAFE;
+ALTER FUNCTION g_int_decompress(internal) PARALLEL SAFE;
+ALTER FUNCTION g_int_penalty(internal, internal, internal) PARALLEL SAFE;
+ALTER FUNCTION g_int_picksplit(internal, internal) PARALLEL SAFE;
+ALTER FUNCTION g_int_union(internal, internal) PARALLEL SAFE;
+ALTER FUNCTION g_int_same(_int4, _int4, internal) PARALLEL SAFE;
+ALTER FUNCTION _intbig_in(cstring) PARALLEL SAFE;
+ALTER FUNCTION _intbig_out(intbig_gkey) PARALLEL SAFE;
+ALTER FUNCTION g_intbig_consistent(internal, _int4, smallint, oid, internal) PARALLEL SAFE;
+ALTER FUNCTION g_intbig_compress(internal) PARALLEL SAFE;
+ALTER FUNCTION g_intbig_decompress(internal) PARALLEL SAFE;
+ALTER FUNCTION g_intbig_penalty(internal, internal, internal) PARALLEL SAFE;
+ALTER FUNCTION g_intbig_picksplit(internal, internal) PARALLEL SAFE;
+ALTER FUNCTION g_intbig_union(internal, internal) PARALLEL SAFE;
+ALTER FUNCTION g_intbig_same(intbig_gkey, intbig_gkey, internal) PARALLEL SAFE;
+ALTER FUNCTION ginint4_queryextract(_int4, internal, int2, internal, internal, internal, internal) PARALLEL SAFE;
+ALTER FUNCTION ginint4_consistent(internal, int2, _int4, int4, internal, internal, internal, internal) PARALLEL SAFE;
diff --git a/contrib/intarray/intarray--1.2--1.3.sql b/contrib/intarray/intarray--1.2--1.3.sql
new file mode 100644
index 0000000..790d159
--- /dev/null
+++ b/contrib/intarray/intarray--1.2--1.3.sql
@@ -0,0 +1,20 @@
+/* contrib/intarray/intarray--1.2--1.3.sql */
+
+-- complain if script is sourced in psql, rather than via ALTER EXTENSION
+\echo Use "ALTER EXTENSION intarray UPDATE TO '1.3'" to load this file. \quit
+
+CREATE FUNCTION g_int_options(internal)
+RETURNS void
+AS 'MODULE_PATHNAME', 'g_int_options'
+LANGUAGE C IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION g_intbig_options(internal)
+RETURNS void
+AS 'MODULE_PATHNAME', 'g_intbig_options'
+LANGUAGE C IMMUTABLE PARALLEL SAFE;
+
+ALTER OPERATOR FAMILY gist__int_ops USING gist
+ADD FUNCTION 10 (_int4) g_int_options (internal);
+
+ALTER OPERATOR FAMILY gist__intbig_ops USING gist
+ADD FUNCTION 10 (_int4) g_intbig_options (internal);
diff --git a/contrib/intarray/intarray--1.2.sql b/contrib/intarray/intarray--1.2.sql
new file mode 100644
index 0000000..f10b53d
--- /dev/null
+++ b/contrib/intarray/intarray--1.2.sql
@@ -0,0 +1,520 @@
+/* contrib/intarray/intarray--1.2.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION intarray" to load this file. \quit
+
+--
+-- Create the user-defined type for the 1-D integer arrays (_int4)
+--
+
+-- Query type
+CREATE FUNCTION bqarr_in(cstring)
+RETURNS query_int
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION bqarr_out(query_int)
+RETURNS cstring
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE TYPE query_int (
+ INTERNALLENGTH = -1,
+ INPUT = bqarr_in,
+ OUTPUT = bqarr_out
+);
+
+--only for debug
+CREATE FUNCTION querytree(query_int)
+RETURNS text
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+
+CREATE FUNCTION boolop(_int4, query_int)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+COMMENT ON FUNCTION boolop(_int4, query_int) IS 'boolean operation with array';
+
+CREATE FUNCTION rboolop(query_int, _int4)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+COMMENT ON FUNCTION rboolop(query_int, _int4) IS 'boolean operation with array';
+
+CREATE FUNCTION _int_matchsel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;
+
+CREATE OPERATOR @@ (
+ LEFTARG = _int4,
+ RIGHTARG = query_int,
+ PROCEDURE = boolop,
+ COMMUTATOR = '~~',
+ RESTRICT = _int_matchsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ~~ (
+ LEFTARG = query_int,
+ RIGHTARG = _int4,
+ PROCEDURE = rboolop,
+ COMMUTATOR = '@@',
+ RESTRICT = _int_matchsel,
+ JOIN = contjoinsel
+);
+
+
+--
+-- External C-functions for R-tree methods
+--
+
+-- Comparison methods
+
+CREATE FUNCTION _int_contains(_int4, _int4)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+COMMENT ON FUNCTION _int_contains(_int4, _int4) IS 'contains';
+
+CREATE FUNCTION _int_contained(_int4, _int4)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+COMMENT ON FUNCTION _int_contained(_int4, _int4) IS 'contained in';
+
+CREATE FUNCTION _int_overlap(_int4, _int4)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+COMMENT ON FUNCTION _int_overlap(_int4, _int4) IS 'overlaps';
+
+CREATE FUNCTION _int_same(_int4, _int4)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+COMMENT ON FUNCTION _int_same(_int4, _int4) IS 'same as';
+
+CREATE FUNCTION _int_different(_int4, _int4)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+COMMENT ON FUNCTION _int_different(_int4, _int4) IS 'different';
+
+-- support routines for indexing
+
+CREATE FUNCTION _int_union(_int4, _int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _int_inter(_int4, _int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _int_overlap_sel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;
+
+CREATE FUNCTION _int_contains_sel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;
+
+CREATE FUNCTION _int_contained_sel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;
+
+CREATE FUNCTION _int_overlap_joinsel(internal, oid, internal, smallint, internal)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;
+
+CREATE FUNCTION _int_contains_joinsel(internal, oid, internal, smallint, internal)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;
+
+CREATE FUNCTION _int_contained_joinsel(internal, oid, internal, smallint, internal)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT STABLE PARALLEL SAFE;
+
+--
+-- OPERATORS
+--
+
+CREATE OPERATOR && (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ PROCEDURE = _int_overlap,
+ COMMUTATOR = '&&',
+ RESTRICT = _int_overlap_sel,
+ JOIN = _int_overlap_joinsel
+);
+
+--CREATE OPERATOR = (
+-- LEFTARG = _int4,
+-- RIGHTARG = _int4,
+-- PROCEDURE = _int_same,
+-- COMMUTATOR = '=',
+-- NEGATOR = '<>',
+-- RESTRICT = eqsel,
+-- JOIN = eqjoinsel,
+-- SORT1 = '<',
+-- SORT2 = '<'
+--);
+
+--CREATE OPERATOR <> (
+-- LEFTARG = _int4,
+-- RIGHTARG = _int4,
+-- PROCEDURE = _int_different,
+-- COMMUTATOR = '<>',
+-- NEGATOR = '=',
+-- RESTRICT = neqsel,
+-- JOIN = neqjoinsel
+--);
+
+CREATE OPERATOR @> (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ PROCEDURE = _int_contains,
+ COMMUTATOR = '<@',
+ RESTRICT = _int_contains_sel,
+ JOIN = _int_contains_joinsel
+);
+
+CREATE OPERATOR <@ (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ PROCEDURE = _int_contained,
+ COMMUTATOR = '@>',
+ RESTRICT = _int_contained_sel,
+ JOIN = _int_contained_joinsel
+);
+
+-- obsolete:
+CREATE OPERATOR @ (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ PROCEDURE = _int_contains,
+ COMMUTATOR = '~',
+ RESTRICT = _int_contains_sel,
+ JOIN = _int_contains_joinsel
+);
+
+CREATE OPERATOR ~ (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ PROCEDURE = _int_contained,
+ COMMUTATOR = '@',
+ RESTRICT = _int_contained_sel,
+ JOIN = _int_contained_joinsel
+);
+
+--------------
+CREATE FUNCTION intset(int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION icount(_int4)
+RETURNS int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR # (
+ RIGHTARG = _int4,
+ PROCEDURE = icount
+);
+
+CREATE FUNCTION sort(_int4, text)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION sort(_int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION sort_asc(_int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION sort_desc(_int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION uniq(_int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION idx(_int4, int4)
+RETURNS int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR # (
+ LEFTARG = _int4,
+ RIGHTARG = int4,
+ PROCEDURE = idx
+);
+
+CREATE FUNCTION subarray(_int4, int4, int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION subarray(_int4, int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION intarray_push_elem(_int4, int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR + (
+ LEFTARG = _int4,
+ RIGHTARG = int4,
+ PROCEDURE = intarray_push_elem
+);
+
+CREATE FUNCTION intarray_push_array(_int4, _int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR + (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ COMMUTATOR = +,
+ PROCEDURE = intarray_push_array
+);
+
+CREATE FUNCTION intarray_del_elem(_int4, int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR - (
+ LEFTARG = _int4,
+ RIGHTARG = int4,
+ PROCEDURE = intarray_del_elem
+);
+
+CREATE FUNCTION intset_union_elem(_int4, int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR | (
+ LEFTARG = _int4,
+ RIGHTARG = int4,
+ PROCEDURE = intset_union_elem
+);
+
+CREATE OPERATOR | (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ COMMUTATOR = |,
+ PROCEDURE = _int_union
+);
+
+CREATE FUNCTION intset_subtract(_int4, _int4)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR - (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ PROCEDURE = intset_subtract
+);
+
+CREATE OPERATOR & (
+ LEFTARG = _int4,
+ RIGHTARG = _int4,
+ COMMUTATOR = &,
+ PROCEDURE = _int_inter
+);
+--------------
+
+-- define the GiST support methods
+CREATE FUNCTION g_int_consistent(internal,_int4,smallint,oid,internal)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_int_compress(internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_int_decompress(internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_int_penalty(internal,internal,internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_int_picksplit(internal, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_int_union(internal, internal)
+RETURNS _int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_int_same(_int4, _int4, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+
+-- Create the operator class for indexing
+
+CREATE OPERATOR CLASS gist__int_ops
+DEFAULT FOR TYPE _int4 USING gist AS
+ OPERATOR 3 &&,
+ OPERATOR 6 = (anyarray, anyarray),
+ OPERATOR 7 @>,
+ OPERATOR 8 <@,
+ OPERATOR 13 @,
+ OPERATOR 14 ~,
+ OPERATOR 20 @@ (_int4, query_int),
+ FUNCTION 1 g_int_consistent (internal, _int4, smallint, oid, internal),
+ FUNCTION 2 g_int_union (internal, internal),
+ FUNCTION 3 g_int_compress (internal),
+ FUNCTION 4 g_int_decompress (internal),
+ FUNCTION 5 g_int_penalty (internal, internal, internal),
+ FUNCTION 6 g_int_picksplit (internal, internal),
+ FUNCTION 7 g_int_same (_int4, _int4, internal);
+
+
+---------------------------------------------
+-- intbig
+---------------------------------------------
+-- define the GiST support methods
+
+CREATE FUNCTION _intbig_in(cstring)
+RETURNS intbig_gkey
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _intbig_out(intbig_gkey)
+RETURNS cstring
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE TYPE intbig_gkey (
+ INTERNALLENGTH = -1,
+ INPUT = _intbig_in,
+ OUTPUT = _intbig_out
+);
+
+CREATE FUNCTION g_intbig_consistent(internal,_int4,smallint,oid,internal)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_intbig_compress(internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_intbig_decompress(internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_intbig_penalty(internal,internal,internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_intbig_picksplit(internal, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_intbig_union(internal, internal)
+RETURNS intbig_gkey
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION g_intbig_same(intbig_gkey, intbig_gkey, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+-- register the opclass for indexing (not as default)
+
+CREATE OPERATOR CLASS gist__intbig_ops
+FOR TYPE _int4 USING gist
+AS
+ OPERATOR 3 &&,
+ OPERATOR 6 = (anyarray, anyarray),
+ OPERATOR 7 @>,
+ OPERATOR 8 <@,
+ OPERATOR 13 @,
+ OPERATOR 14 ~,
+ OPERATOR 20 @@ (_int4, query_int),
+ FUNCTION 1 g_intbig_consistent (internal, _int4, smallint, oid, internal),
+ FUNCTION 2 g_intbig_union (internal, internal),
+ FUNCTION 3 g_intbig_compress (internal),
+ FUNCTION 4 g_intbig_decompress (internal),
+ FUNCTION 5 g_intbig_penalty (internal, internal, internal),
+ FUNCTION 6 g_intbig_picksplit (internal, internal),
+ FUNCTION 7 g_intbig_same (intbig_gkey, intbig_gkey, internal),
+ STORAGE intbig_gkey;
+
+--GIN
+
+CREATE FUNCTION ginint4_queryextract(_int4, internal, int2, internal, internal, internal, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION ginint4_consistent(internal, int2, _int4, int4, internal, internal, internal, internal)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE OPERATOR CLASS gin__int_ops
+FOR TYPE _int4 USING gin
+AS
+ OPERATOR 3 &&,
+ OPERATOR 6 = (anyarray, anyarray),
+ OPERATOR 7 @>,
+ OPERATOR 8 <@,
+ OPERATOR 13 @,
+ OPERATOR 14 ~,
+ OPERATOR 20 @@ (_int4, query_int),
+ FUNCTION 1 btint4cmp (int4, int4),
+ FUNCTION 2 ginarrayextract (anyarray, internal, internal),
+ FUNCTION 3 ginint4_queryextract (_int4, internal, int2, internal, internal, internal, internal),
+ FUNCTION 4 ginint4_consistent (internal, int2, _int4, int4, internal, internal, internal, internal),
+ STORAGE int4;
diff --git a/contrib/intarray/intarray.control b/contrib/intarray/intarray.control
new file mode 100644
index 0000000..db7746b
--- /dev/null
+++ b/contrib/intarray/intarray.control
@@ -0,0 +1,6 @@
+# intarray extension
+comment = 'functions, operators, and index support for 1-D arrays of integers'
+default_version = '1.3'
+module_pathname = '$libdir/_int'
+relocatable = true
+trusted = true
diff --git a/contrib/intarray/sql/_int.sql b/contrib/intarray/sql/_int.sql
new file mode 100644
index 0000000..b26fc57
--- /dev/null
+++ b/contrib/intarray/sql/_int.sql
@@ -0,0 +1,181 @@
+CREATE EXTENSION intarray;
+
+-- Check whether any of our opclasses fail amvalidate
+SELECT amname, opcname
+FROM pg_opclass opc LEFT JOIN pg_am am ON am.oid = opcmethod
+WHERE opc.oid >= 16384 AND NOT amvalidate(opc.oid);
+
+SELECT intset(1234);
+SELECT icount('{1234234,234234}');
+SELECT sort('{1234234,-30,234234}');
+SELECT sort('{1234234,-30,234234}','asc');
+SELECT sort('{1234234,-30,234234}','desc');
+SELECT sort_asc('{1234234,-30,234234}');
+SELECT sort_desc('{1234234,-30,234234}');
+SELECT uniq('{1234234,-30,-30,234234,-30}');
+SELECT uniq(sort_asc('{1234234,-30,-30,234234,-30}'));
+SELECT idx('{1234234,-30,-30,234234,-30}',-30);
+SELECT subarray('{1234234,-30,-30,234234,-30}',2,3);
+SELECT subarray('{1234234,-30,-30,234234,-30}',-1,1);
+SELECT subarray('{1234234,-30,-30,234234,-30}',0,-1);
+
+SELECT #'{1234234,234234}'::int[];
+SELECT '{123,623,445}'::int[] + 1245;
+SELECT '{123,623,445}'::int[] + 445;
+SELECT '{123,623,445}'::int[] + '{1245,87,445}';
+SELECT '{123,623,445}'::int[] - 623;
+SELECT '{123,623,445}'::int[] - '{1623,623}';
+SELECT '{123,623,445}'::int[] | 623;
+SELECT '{123,623,445}'::int[] | 1623;
+SELECT '{123,623,445}'::int[] | '{1623,623}';
+SELECT '{123,623,445}'::int[] & '{1623,623}';
+SELECT '{-1,3,1}'::int[] & '{1,2}';
+SELECT '{1}'::int[] & '{2}'::int[];
+SELECT array_dims('{1}'::int[] & '{2}'::int[]);
+SELECT ('{1}'::int[] & '{2}'::int[]) = '{}'::int[];
+SELECT ('{}'::int[] & '{}'::int[]) = '{}'::int[];
+
+
+--test query_int
+SELECT '1'::query_int;
+SELECT ' 1'::query_int;
+SELECT '1 '::query_int;
+SELECT ' 1 '::query_int;
+SELECT ' ! 1 '::query_int;
+SELECT '!1'::query_int;
+SELECT '1|2'::query_int;
+SELECT '1|!2'::query_int;
+SELECT '!1|2'::query_int;
+SELECT '!1|!2'::query_int;
+SELECT '!(!1|!2)'::query_int;
+SELECT '!(!1|2)'::query_int;
+SELECT '!(1|!2)'::query_int;
+SELECT '!(1|2)'::query_int;
+SELECT '1&2'::query_int;
+SELECT '!1&2'::query_int;
+SELECT '1&!2'::query_int;
+SELECT '!1&!2'::query_int;
+SELECT '(1&2)'::query_int;
+SELECT '1&(2)'::query_int;
+SELECT '!(1)&2'::query_int;
+SELECT '!(1&2)'::query_int;
+SELECT '1|2&3'::query_int;
+SELECT '1|(2&3)'::query_int;
+SELECT '(1|2)&3'::query_int;
+SELECT '1|2&!3'::query_int;
+SELECT '1|!2&3'::query_int;
+SELECT '!1|2&3'::query_int;
+SELECT '!1|(2&3)'::query_int;
+SELECT '!(1|2)&3'::query_int;
+SELECT '(!1|2)&3'::query_int;
+SELECT '1|(2|(4|(5|6)))'::query_int;
+SELECT '1|2|4|5|6'::query_int;
+SELECT '1&(2&(4&(5&6)))'::query_int;
+SELECT '1&2&4&5&6'::query_int;
+SELECT '1&(2&(4&(5|6)))'::query_int;
+SELECT '1&(2&(4&(5|!6)))'::query_int;
+
+
+CREATE TABLE test__int( a int[] );
+\copy test__int from 'data/test__int.data'
+ANALYZE test__int;
+
+SELECT count(*) from test__int WHERE a && '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23|50';
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23&50';
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+SELECT count(*) from test__int WHERE a @@ '50&68';
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+
+SET enable_seqscan = off; -- not all of these would use index by default
+
+CREATE INDEX text_idx on test__int using gist ( a gist__int_ops );
+
+SELECT count(*) from test__int WHERE a && '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23|50';
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23&50';
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+SELECT count(*) from test__int WHERE a @@ '50&68';
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gist (a gist__int_ops(numranges = 0));
+CREATE INDEX text_idx on test__int using gist (a gist__int_ops(numranges = 253));
+CREATE INDEX text_idx on test__int using gist (a gist__int_ops(numranges = 252));
+
+SELECT count(*) from test__int WHERE a && '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23|50';
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23&50';
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+SELECT count(*) from test__int WHERE a @@ '50&68';
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gist (a gist__intbig_ops(siglen = 0));
+CREATE INDEX text_idx on test__int using gist (a gist__intbig_ops(siglen = 2025));
+CREATE INDEX text_idx on test__int using gist (a gist__intbig_ops(siglen = 2024));
+
+SELECT count(*) from test__int WHERE a && '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23|50';
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23&50';
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+SELECT count(*) from test__int WHERE a @@ '50&68';
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gist ( a gist__intbig_ops );
+
+SELECT count(*) from test__int WHERE a && '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23|50';
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23&50';
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+SELECT count(*) from test__int WHERE a @@ '50&68';
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+
+DROP INDEX text_idx;
+CREATE INDEX text_idx on test__int using gin ( a gin__int_ops );
+
+SELECT count(*) from test__int WHERE a && '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23|50';
+SELECT count(*) from test__int WHERE a @> '{23,50}';
+SELECT count(*) from test__int WHERE a @@ '23&50';
+SELECT count(*) from test__int WHERE a @> '{20,23}';
+SELECT count(*) from test__int WHERE a <@ '{73,23,20}';
+SELECT count(*) from test__int WHERE a = '{73,23,20}';
+SELECT count(*) from test__int WHERE a @@ '50&68';
+SELECT count(*) from test__int WHERE a @> '{20,23}' or a @> '{50,68}';
+SELECT count(*) from test__int WHERE a @@ '(20&23)|(50&68)';
+SELECT count(*) from test__int WHERE a @@ '20 | !21';
+SELECT count(*) from test__int WHERE a @@ '!20 & !21';
+
+RESET enable_seqscan;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 15:18:41 +0000