Adding upstream version 16.2.upstream/16.2

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

1 files changed, 153 insertions, 0 deletions

diff --git a/src/include/catalog/pg_trigger.h b/src/include/catalog/pg_trigger.h
new file mode 100644
index 0000000..3679b03
--- /dev/null
+++ b/src/include/catalog/pg_trigger.h
@@ -0,0 +1,153 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_trigger.h
+ *	  definition of the "trigger" system catalog (pg_trigger)
+ *
+ *
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/pg_trigger.h
+ *
+ * NOTES
+ *	  The Catalog.pm module reads this file and derives schema
+ *	  information.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_TRIGGER_H
+#define PG_TRIGGER_H
+
+#include "catalog/genbki.h"
+#include "catalog/pg_trigger_d.h"
+
+/* ----------------
+ *		pg_trigger definition.  cpp turns this into
+ *		typedef struct FormData_pg_trigger
+ *
+ * Note: when tgconstraint is nonzero, tgconstrrelid, tgconstrindid,
+ * tgdeferrable, and tginitdeferred are largely redundant with the referenced
+ * pg_constraint entry.  However, it is possible for a non-deferrable trigger
+ * to be associated with a deferrable constraint.
+ * ----------------
+ */
+CATALOG(pg_trigger,2620,TriggerRelationId)
+{
+	Oid			oid;			/* oid */
+	Oid			tgrelid BKI_LOOKUP(pg_class);	/* relation trigger is
+												 * attached to */
+	Oid			tgparentid BKI_LOOKUP_OPT(pg_trigger);	/* OID of parent
+														 * trigger, if any */
+	NameData	tgname;			/* trigger's name */
+	Oid			tgfoid BKI_LOOKUP(pg_proc); /* OID of function to be called */
+	int16		tgtype;			/* BEFORE/AFTER/INSTEAD, UPDATE/DELETE/INSERT,
+								 * ROW/STATEMENT; see below */
+	char		tgenabled;		/* trigger's firing configuration WRT
+								 * session_replication_role */
+	bool		tgisinternal;	/* trigger is system-generated */
+	Oid			tgconstrrelid BKI_LOOKUP_OPT(pg_class); /* constraint's FROM
+														 * table, if any */
+	Oid			tgconstrindid BKI_LOOKUP_OPT(pg_class); /* constraint's
+														 * supporting index, if
+														 * any */
+	Oid			tgconstraint BKI_LOOKUP_OPT(pg_constraint); /* associated
+															 * pg_constraint entry,
+															 * if any */
+	bool		tgdeferrable;	/* constraint trigger is deferrable */
+	bool		tginitdeferred; /* constraint trigger is deferred initially */
+	int16		tgnargs;		/* # of extra arguments in tgargs */
+
+	/*
+	 * Variable-length fields start here, but we allow direct access to
+	 * tgattr. Note: tgattr and tgargs must not be null.
+	 */
+	int2vector	tgattr BKI_FORCE_NOT_NULL;	/* column numbers, if trigger is
+											 * on columns */
+
+#ifdef CATALOG_VARLEN
+	bytea		tgargs BKI_FORCE_NOT_NULL;	/* first\000second\000tgnargs\000 */
+	pg_node_tree tgqual;		/* WHEN expression, or NULL if none */
+	NameData	tgoldtable;		/* old transition table, or NULL if none */
+	NameData	tgnewtable;		/* new transition table, or NULL if none */
+#endif
+} FormData_pg_trigger;
+
+/* ----------------
+ *		Form_pg_trigger corresponds to a pointer to a tuple with
+ *		the format of pg_trigger relation.
+ * ----------------
+ */
+typedef FormData_pg_trigger *Form_pg_trigger;
+
+DECLARE_TOAST(pg_trigger, 2336, 2337);
+
+DECLARE_INDEX(pg_trigger_tgconstraint_index, 2699, TriggerConstraintIndexId, on pg_trigger using btree(tgconstraint oid_ops));
+DECLARE_UNIQUE_INDEX(pg_trigger_tgrelid_tgname_index, 2701, TriggerRelidNameIndexId, on pg_trigger using btree(tgrelid oid_ops, tgname name_ops));
+DECLARE_UNIQUE_INDEX_PKEY(pg_trigger_oid_index, 2702, TriggerOidIndexId, on pg_trigger using btree(oid oid_ops));
+
+DECLARE_ARRAY_FOREIGN_KEY((tgrelid, tgattr), pg_attribute, (attrelid, attnum));
+
+#ifdef EXPOSE_TO_CLIENT_CODE
+
+/* Bits within tgtype */
+#define TRIGGER_TYPE_ROW				(1 << 0)
+#define TRIGGER_TYPE_BEFORE				(1 << 1)
+#define TRIGGER_TYPE_INSERT				(1 << 2)
+#define TRIGGER_TYPE_DELETE				(1 << 3)
+#define TRIGGER_TYPE_UPDATE				(1 << 4)
+#define TRIGGER_TYPE_TRUNCATE			(1 << 5)
+#define TRIGGER_TYPE_INSTEAD			(1 << 6)
+
+#define TRIGGER_TYPE_LEVEL_MASK			(TRIGGER_TYPE_ROW)
+#define TRIGGER_TYPE_STATEMENT			0
+
+/* Note bits within TRIGGER_TYPE_TIMING_MASK aren't adjacent */
+#define TRIGGER_TYPE_TIMING_MASK \
+	(TRIGGER_TYPE_BEFORE | TRIGGER_TYPE_INSTEAD)
+#define TRIGGER_TYPE_AFTER				0
+
+#define TRIGGER_TYPE_EVENT_MASK \
+	(TRIGGER_TYPE_INSERT | TRIGGER_TYPE_DELETE | TRIGGER_TYPE_UPDATE | TRIGGER_TYPE_TRUNCATE)
+
+/* Macros for manipulating tgtype */
+#define TRIGGER_CLEAR_TYPE(type)		((type) = 0)
+
+#define TRIGGER_SETT_ROW(type)			((type) |= TRIGGER_TYPE_ROW)
+#define TRIGGER_SETT_STATEMENT(type)	((type) |= TRIGGER_TYPE_STATEMENT)
+#define TRIGGER_SETT_BEFORE(type)		((type) |= TRIGGER_TYPE_BEFORE)
+#define TRIGGER_SETT_AFTER(type)		((type) |= TRIGGER_TYPE_AFTER)
+#define TRIGGER_SETT_INSTEAD(type)		((type) |= TRIGGER_TYPE_INSTEAD)
+#define TRIGGER_SETT_INSERT(type)		((type) |= TRIGGER_TYPE_INSERT)
+#define TRIGGER_SETT_DELETE(type)		((type) |= TRIGGER_TYPE_DELETE)
+#define TRIGGER_SETT_UPDATE(type)		((type) |= TRIGGER_TYPE_UPDATE)
+#define TRIGGER_SETT_TRUNCATE(type)		((type) |= TRIGGER_TYPE_TRUNCATE)
+
+#define TRIGGER_FOR_ROW(type)			((type) & TRIGGER_TYPE_ROW)
+#define TRIGGER_FOR_BEFORE(type)		(((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_BEFORE)
+#define TRIGGER_FOR_AFTER(type)			(((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_AFTER)
+#define TRIGGER_FOR_INSTEAD(type)		(((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_INSTEAD)
+#define TRIGGER_FOR_INSERT(type)		((type) & TRIGGER_TYPE_INSERT)
+#define TRIGGER_FOR_DELETE(type)		((type) & TRIGGER_TYPE_DELETE)
+#define TRIGGER_FOR_UPDATE(type)		((type) & TRIGGER_TYPE_UPDATE)
+#define TRIGGER_FOR_TRUNCATE(type)		((type) & TRIGGER_TYPE_TRUNCATE)
+
+/*
+ * Efficient macro for checking if tgtype matches a particular level
+ * (TRIGGER_TYPE_ROW or TRIGGER_TYPE_STATEMENT), timing (TRIGGER_TYPE_BEFORE,
+ * TRIGGER_TYPE_AFTER or TRIGGER_TYPE_INSTEAD), and event (TRIGGER_TYPE_INSERT,
+ * TRIGGER_TYPE_DELETE, TRIGGER_TYPE_UPDATE, or TRIGGER_TYPE_TRUNCATE).  Note
+ * that a tgtype can match more than one event, but only one level or timing.
+ */
+#define TRIGGER_TYPE_MATCHES(type, level, timing, event) \
+	(((type) & (TRIGGER_TYPE_LEVEL_MASK | TRIGGER_TYPE_TIMING_MASK | (event))) == ((level) | (timing) | (event)))
+
+/*
+ * Macro to determine whether tgnewtable or tgoldtable has been specified for
+ * a trigger.
+ */
+#define TRIGGER_USES_TRANSITION_TABLE(namepointer) \
+	((namepointer) != (char *) NULL)
+
+#endif							/* EXPOSE_TO_CLIENT_CODE */
+
+#endif							/* PG_TRIGGER_H */