Adding upstream version 14.5.upstream/14.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 289 insertions, 0 deletions

diff --git a/contrib/btree_gist/btree_text.c b/contrib/btree_gist/btree_text.c
new file mode 100644
index 0000000..be0eac7
--- /dev/null
+++ b/contrib/btree_gist/btree_text.c
@@ -0,0 +1,289 @@
+/*
+ * contrib/btree_gist/btree_text.c
+ */
+#include "postgres.h"
+
+#include "btree_gist.h"
+#include "btree_utils_var.h"
+#include "utils/builtins.h"
+
+/*
+** Text ops
+*/
+PG_FUNCTION_INFO_V1(gbt_text_compress);
+PG_FUNCTION_INFO_V1(gbt_bpchar_compress);
+PG_FUNCTION_INFO_V1(gbt_text_union);
+PG_FUNCTION_INFO_V1(gbt_text_picksplit);
+PG_FUNCTION_INFO_V1(gbt_text_consistent);
+PG_FUNCTION_INFO_V1(gbt_bpchar_consistent);
+PG_FUNCTION_INFO_V1(gbt_text_penalty);
+PG_FUNCTION_INFO_V1(gbt_text_same);
+
+
+/* define for comparison */
+
+static bool
+gbt_textgt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(text_gt,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_textge(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(text_ge,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_texteq(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(texteq,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_textle(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(text_le,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_textlt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(text_lt,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static int32
+gbt_textcmp(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetInt32(DirectFunctionCall2Coll(bttextcmp,
+												 collation,
+												 PointerGetDatum(a),
+												 PointerGetDatum(b)));
+}
+
+static gbtree_vinfo tinfo =
+{
+	gbt_t_text,
+	0,
+	false,
+	gbt_textgt,
+	gbt_textge,
+	gbt_texteq,
+	gbt_textle,
+	gbt_textlt,
+	gbt_textcmp,
+	NULL
+};
+
+/* bpchar needs its own comparison rules */
+
+static bool
+gbt_bpchargt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(bpchargt,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_bpcharge(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(bpcharge,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_bpchareq(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(bpchareq,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_bpcharle(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(bpcharle,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static bool
+gbt_bpcharlt(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetBool(DirectFunctionCall2Coll(bpcharlt,
+												collation,
+												PointerGetDatum(a),
+												PointerGetDatum(b)));
+}
+
+static int32
+gbt_bpcharcmp(const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
+{
+	return DatumGetInt32(DirectFunctionCall2Coll(bpcharcmp,
+												 collation,
+												 PointerGetDatum(a),
+												 PointerGetDatum(b)));
+}
+
+static gbtree_vinfo bptinfo =
+{
+	gbt_t_bpchar,
+	0,
+	false,
+	gbt_bpchargt,
+	gbt_bpcharge,
+	gbt_bpchareq,
+	gbt_bpcharle,
+	gbt_bpcharlt,
+	gbt_bpcharcmp,
+	NULL
+};
+
+
+/**************************************************
+ * Text ops
+ **************************************************/
+
+
+Datum
+gbt_text_compress(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	if (tinfo.eml == 0)
+	{
+		tinfo.eml = pg_database_encoding_max_length();
+	}
+
+	PG_RETURN_POINTER(gbt_var_compress(entry, &tinfo));
+}
+
+Datum
+gbt_bpchar_compress(PG_FUNCTION_ARGS)
+{
+	/* This should never have been distinct from gbt_text_compress */
+	return gbt_text_compress(fcinfo);
+}
+
+
+
+Datum
+gbt_text_consistent(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	void	   *query = (void *) DatumGetTextP(PG_GETARG_DATUM(1));
+	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
+	bool		retval;
+	GBT_VARKEY *key = (GBT_VARKEY *) DatumGetPointer(entry->key);
+	GBT_VARKEY_R r = gbt_var_key_readable(key);
+
+	/* All cases served by this function are exact */
+	*recheck = false;
+
+	if (tinfo.eml == 0)
+	{
+		tinfo.eml = pg_database_encoding_max_length();
+	}
+
+	retval = gbt_var_consistent(&r, query, strategy, PG_GET_COLLATION(),
+								GIST_LEAF(entry), &tinfo, fcinfo->flinfo);
+
+	PG_RETURN_BOOL(retval);
+}
+
+
+Datum
+gbt_bpchar_consistent(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	void	   *query = (void *) DatumGetTextP(PG_GETARG_DATUM(1));
+	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
+	bool		retval;
+	GBT_VARKEY *key = (GBT_VARKEY *) DatumGetPointer(entry->key);
+	GBT_VARKEY_R r = gbt_var_key_readable(key);
+
+	/* All cases served by this function are exact */
+	*recheck = false;
+
+	if (bptinfo.eml == 0)
+	{
+		bptinfo.eml = pg_database_encoding_max_length();
+	}
+
+	retval = gbt_var_consistent(&r, query, strategy, PG_GET_COLLATION(),
+								GIST_LEAF(entry), &bptinfo, fcinfo->flinfo);
+	PG_RETURN_BOOL(retval);
+}
+
+
+Datum
+gbt_text_union(PG_FUNCTION_ARGS)
+{
+	GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+	int32	   *size = (int *) PG_GETARG_POINTER(1);
+
+	PG_RETURN_POINTER(gbt_var_union(entryvec, size, PG_GET_COLLATION(),
+									&tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_text_picksplit(PG_FUNCTION_ARGS)
+{
+	GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+	GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
+
+	gbt_var_picksplit(entryvec, v, PG_GET_COLLATION(),
+					  &tinfo, fcinfo->flinfo);
+	PG_RETURN_POINTER(v);
+}
+
+Datum
+gbt_text_same(PG_FUNCTION_ARGS)
+{
+	Datum		d1 = PG_GETARG_DATUM(0);
+	Datum		d2 = PG_GETARG_DATUM(1);
+	bool	   *result = (bool *) PG_GETARG_POINTER(2);
+
+	*result = gbt_var_same(d1, d2, PG_GET_COLLATION(), &tinfo, fcinfo->flinfo);
+	PG_RETURN_POINTER(result);
+}
+
+
+Datum
+gbt_text_penalty(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *o = (GISTENTRY *) PG_GETARG_POINTER(0);
+	GISTENTRY  *n = (GISTENTRY *) PG_GETARG_POINTER(1);
+	float	   *result = (float *) PG_GETARG_POINTER(2);
+
+	PG_RETURN_POINTER(gbt_var_penalty(result, o, n, PG_GET_COLLATION(),
+									  &tinfo, fcinfo->flinfo));
+}