1 files changed, 89 insertions, 0 deletions
diff --git a/src/backend/utils/syscache.h b/src/backend/utils/syscache.h
new file mode 100644
index 00000000000..beea5969404
--- /dev/null
+++ b/src/backend/utils/syscache.h
@@ -0,0 +1,89 @@
+/*-------------------------------------------------------------------------
+ *
+ * syscache.h--
+ *    System catalog cache definitions.
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: syscache.h,v 1.1.1.1 1996/07/09 06:22:02 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef	SYSCACHE_H
+#define SYSCACHE_H
+
+/*#define CACHEDEBUG*/ 	/* turns DEBUG elogs on */
+
+#include "postgres.h"
+#include "access/htup.h"
+#include "nodes/pg_list.h"
+
+/*
+ *	Declarations for util/syscache.c.
+ *
+ *	SysCache identifiers.
+ *
+ *      The order of these must match the order
+ *      they are entered into the structure cacheinfo[] in syscache.c 
+ *      The best thing to do is to add yours at the END, because some
+ *      code assumes that certain caches are at certain places in this
+ *      array.
+ */
+
+#define	AMOPOPID	0
+#define	AMOPSTRATEGY	1
+#define	ATTNAME		2
+#define	ATTNUM		3
+#define	INDEXRELID	4
+#define	LANNAME		5
+#define	OPRNAME		6
+#define	OPROID		7
+#define	PRONAME		8
+#define	PROOID		9
+#define	RELNAME		10
+#define	RELOID		11
+#define	TYPNAME		12
+#define	TYPOID 		13
+#define	AMNAME		14
+#define	CLANAME		15
+#define INDRELIDKEY	16
+#define INHRELID	17
+#define	RULOID		18
+#define AGGNAME		19
+#define LISTENREL       20
+#define USENAME		21
+#define USESYSID	22
+#define GRONAME		23
+#define GROSYSID	24
+#define	REWRITENAME	25
+#define PROSRC          26
+
+/* ----------------
+ *	struct cachedesc:	information needed for a call to InitSysCache()
+ * ----------------
+ */
+struct cachedesc {
+    char     *name;	       /* this is Name * so that we can initialize it */
+    int	      nkeys;
+    int	      key[4];
+    int	      size;            /* sizeof(appropriate struct) */
+    char      *indname;	       /* index relation for this cache, if exists */
+    HeapTuple (*iScanFunc)();  /* function to handle index scans */
+};
+
+extern void zerocaches(void);
+extern void InitCatalogCache(void);
+extern HeapTuple SearchSysCacheTuple(int cacheId, Datum key1, Datum key2,
+				     Datum key3, Datum key4);
+extern int32 SearchSysCacheStruct(int cacheId, char *returnStruct,
+			Datum key1, Datum key2, Datum key3, Datum key4);
+extern void *SearchSysCacheGetAttribute(int cacheId,
+					AttrNumber attributeNumber, 
+					Datum key1,
+					Datum key2, 
+					Datum key3, 
+					Datum key4);
+extern void *TypeDefaultRetrieve(Oid typId);
+
+#endif	/* SYSCACHE_H */