Adding upstream version 15.5.upstream/15.5

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

1 files changed, 90 insertions, 0 deletions

diff --git a/src/include/catalog/pg_index.h b/src/include/catalog/pg_index.h
new file mode 100644
index 0000000..f853846
--- /dev/null
+++ b/src/include/catalog/pg_index.h
@@ -0,0 +1,90 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_index.h
+ *	  definition of the "index" system catalog (pg_index)
+ *
+ *
+ * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/pg_index.h
+ *
+ * NOTES
+ *	  The Catalog.pm module reads this file and derives schema
+ *	  information.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_INDEX_H
+#define PG_INDEX_H
+
+#include "catalog/genbki.h"
+#include "catalog/pg_index_d.h"
+
+/* ----------------
+ *		pg_index definition.  cpp turns this into
+ *		typedef struct FormData_pg_index.
+ * ----------------
+ */
+CATALOG(pg_index,2610,IndexRelationId) BKI_SCHEMA_MACRO
+{
+	Oid			indexrelid BKI_LOOKUP(pg_class);	/* OID of the index */
+	Oid			indrelid BKI_LOOKUP(pg_class);	/* OID of the relation it
+												 * indexes */
+	int16		indnatts;		/* total number of columns in index */
+	int16		indnkeyatts;	/* number of key columns in index */
+	bool		indisunique;	/* is this a unique index? */
+	bool		indnullsnotdistinct;	/* null treatment in unique index */
+	bool		indisprimary;	/* is this index for primary key? */
+	bool		indisexclusion; /* is this index for exclusion constraint? */
+	bool		indimmediate;	/* is uniqueness enforced immediately? */
+	bool		indisclustered; /* is this the index last clustered by? */
+	bool		indisvalid;		/* is this index valid for use by queries? */
+	bool		indcheckxmin;	/* must we wait for xmin to be old? */
+	bool		indisready;		/* is this index ready for inserts? */
+	bool		indislive;		/* is this index alive at all? */
+	bool		indisreplident; /* is this index the identity for replication? */
+
+	/* variable-length fields start here, but we allow direct access to indkey */
+	int2vector	indkey BKI_FORCE_NOT_NULL;	/* column numbers of indexed cols,
+											 * or 0 */
+
+#ifdef CATALOG_VARLEN
+	oidvector	indcollation BKI_LOOKUP_OPT(pg_collation) BKI_FORCE_NOT_NULL;	/* collation identifiers */
+	oidvector	indclass BKI_LOOKUP(pg_opclass) BKI_FORCE_NOT_NULL; /* opclass identifiers */
+	int2vector	indoption BKI_FORCE_NOT_NULL;	/* per-column flags
+												 * (AM-specific meanings) */
+	pg_node_tree indexprs;		/* expression trees for index attributes that
+								 * are not simple column references; one for
+								 * each zero entry in indkey[] */
+	pg_node_tree indpred;		/* expression tree for predicate, if a partial
+								 * index; else NULL */
+#endif
+} FormData_pg_index;
+
+/* ----------------
+ *		Form_pg_index corresponds to a pointer to a tuple with
+ *		the format of pg_index relation.
+ * ----------------
+ */
+typedef FormData_pg_index *Form_pg_index;
+
+DECLARE_INDEX(pg_index_indrelid_index, 2678, IndexIndrelidIndexId, on pg_index using btree(indrelid oid_ops));
+DECLARE_UNIQUE_INDEX_PKEY(pg_index_indexrelid_index, 2679, IndexRelidIndexId, on pg_index using btree(indexrelid oid_ops));
+
+/* indkey can contain zero (InvalidAttrNumber) to represent expressions */
+DECLARE_ARRAY_FOREIGN_KEY_OPT((indrelid, indkey), pg_attribute, (attrelid, attnum));
+
+#ifdef EXPOSE_TO_CLIENT_CODE
+
+/*
+ * Index AMs that support ordered scans must support these two indoption
+ * bits.  Otherwise, the content of the per-column indoption fields is
+ * open for future definition.
+ */
+#define INDOPTION_DESC			0x0001	/* values are in reverse order */
+#define INDOPTION_NULLS_FIRST	0x0002	/* NULLs are first instead of last */
+
+#endif							/* EXPOSE_TO_CLIENT_CODE */
+
+#endif							/* PG_INDEX_H */