init

pg_include/utils/fmgrtab.h

@@ -0,0 +1,39 @@
+/*-------------------------------------------------------------------------
+ *
+ * fmgrtab.h
+ *	  The function manager's table of internal functions.
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/fmgrtab.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef FMGRTAB_H
+#define FMGRTAB_H
+
+#include "fmgr.h"
+
+
+/*
+ * This table stores info about all the built-in functions (ie, functions
+ * that are compiled into the Postgres executable).  The table entries are
+ * required to appear in Oid order, so that binary search can be used.
+ */
+
+typedef struct
+{
+	Oid			foid;			/* OID of the function */
+	const char *funcName;		/* C name of the function */
+	short		nargs;			/* 0..FUNC_MAX_ARGS, or -1 if variable count */
+	bool		strict;			/* T if function is "strict" */
+	bool		retset;			/* T if function returns a set */
+	PGFunction	func;			/* pointer to compiled function */
+} FmgrBuiltin;
+
+extern const FmgrBuiltin fmgr_builtins[];
+
+extern const int fmgr_nbuiltins;	/* number of entries in table */
+
+#endif   /* FMGRTAB_H */