Phase 3 of read-only-plans project: ExecInitExpr now builds expression

execution state trees, and ExecEvalExpr takes an expression state tree
not an expression plan tree.  The plan tree is now read-only as far as
the executor is concerned.  Next step is to begin actually exploiting
this property.

1 files changed, 0 insertions, 53 deletions

diff --git a/src/backend/utils/cache/fcache.c b/src/backend/utils/cache/fcache.c
deleted file mode 100644
index 0ad615fc803..00000000000
--- a/src/backend/utils/cache/fcache.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * fcache.c
- *	  Code for the 'function cache' used in Oper and Func nodes.
- *
- *
- * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/fcache.c,v 1.45 2002/06/20 20:29:39 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-#include "postgres.h"
-
-#include "miscadmin.h"
-#include "utils/acl.h"
-#include "utils/fcache.h"
-#include "utils/lsyscache.h"
-
-
-/*
- * Build a 'FunctionCache' struct given the PG_PROC oid.
- */
-FunctionCachePtr
-init_fcache(Oid foid, int nargs, MemoryContext fcacheCxt)
-{
-	FunctionCachePtr retval;
-	AclResult	aclresult;
-
-	/* Check permission to call function */
-	aclresult = pg_proc_aclcheck(foid, GetUserId(), ACL_EXECUTE);
-	if (aclresult != ACLCHECK_OK)
-		aclcheck_error(aclresult, get_func_name(foid));
-
-	/* Safety check (should never fail, as parser should check sooner) */
-	if (nargs > FUNC_MAX_ARGS)
-		elog(ERROR, "init_fcache: too many arguments");
-
-	/* Create fcache entry in the desired context */
-	retval = (FunctionCachePtr) MemoryContextAlloc(fcacheCxt,
-												   sizeof(FunctionCache));
-	MemSet(retval, 0, sizeof(FunctionCache));
-
-	/* Set up the primary fmgr lookup information */
-	fmgr_info_cxt(foid, &(retval->func), fcacheCxt);
-
-	/* Initialize additional info */
-	retval->setArgsValid = false;
-
-	return retval;
-}