From 9356877bba8fa0fcae8f1450d74e4d17ec9f7f83 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 2 Mar 2006 21:13:04 +0000
Subject: [PATCH] Repair oidvectorrecv and int2vectorrecv, which I broke while
 changing them to use array_recv :-(.  Per report from Tim Kordas.

---
 src/backend/utils/adt/int.c | 27 +++++++++++++++++++++------
 src/backend/utils/adt/oid.c | 27 +++++++++++++++++++++------
 2 files changed, 42 insertions(+), 12 deletions(-)

diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c
index d47dbfdab6..fa3d5fa8db 100644
--- a/src/backend/utils/adt/int.c
+++ b/src/backend/utils/adt/int.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.69 2005/11/17 22:14:53 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.70 2006/03/02 21:13:04 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -212,13 +212,28 @@ Datum
 int2vectorrecv(PG_FUNCTION_ARGS)
 {
 	StringInfo	buf = (StringInfo) PG_GETARG_POINTER(0);
+	FunctionCallInfoData locfcinfo;
 	int2vector *result;
 
-	result = (int2vector *)
-		DatumGetPointer(DirectFunctionCall3(array_recv,
-											PointerGetDatum(buf),
-											ObjectIdGetDatum(INT2OID),
-											Int32GetDatum(-1)));
+	/*
+	 * Normally one would call array_recv() using DirectFunctionCall3,
+	 * but that does not work since array_recv wants to cache some data
+	 * using fcinfo->flinfo->fn_extra.  So we need to pass it our own
+	 * flinfo parameter.
+	 */
+	InitFunctionCallInfoData(locfcinfo, fcinfo->flinfo, 3, NULL, NULL);
+
+	locfcinfo.arg[0] = PointerGetDatum(buf);
+	locfcinfo.arg[1] = ObjectIdGetDatum(INT2OID);
+	locfcinfo.arg[2] = Int32GetDatum(-1);
+	locfcinfo.argnull[0] = false;
+	locfcinfo.argnull[1] = false;
+	locfcinfo.argnull[2] = false;
+
+	result = (int2vector *) DatumGetPointer(array_recv(&locfcinfo));
+
+	Assert(!locfcinfo.isnull);
+
 	/* sanity checks: int2vector must be 1-D, no nulls */
 	if (ARR_NDIM(result) != 1 ||
 		ARR_HASNULL(result) ||
diff --git a/src/backend/utils/adt/oid.c b/src/backend/utils/adt/oid.c
index c31dbf4f66..9129bebea3 100644
--- a/src/backend/utils/adt/oid.c
+++ b/src/backend/utils/adt/oid.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/oid.c,v 1.66 2005/11/22 18:17:23 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/oid.c,v 1.67 2006/03/02 21:13:04 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -254,13 +254,28 @@ Datum
 oidvectorrecv(PG_FUNCTION_ARGS)
 {
 	StringInfo	buf = (StringInfo) PG_GETARG_POINTER(0);
+	FunctionCallInfoData locfcinfo;
 	oidvector  *result;
 
-	result = (oidvector *)
-		DatumGetPointer(DirectFunctionCall3(array_recv,
-											PointerGetDatum(buf),
-											ObjectIdGetDatum(OIDOID),
-											Int32GetDatum(-1)));
+	/*
+	 * Normally one would call array_recv() using DirectFunctionCall3,
+	 * but that does not work since array_recv wants to cache some data
+	 * using fcinfo->flinfo->fn_extra.  So we need to pass it our own
+	 * flinfo parameter.
+	 */
+	InitFunctionCallInfoData(locfcinfo, fcinfo->flinfo, 3, NULL, NULL);
+
+	locfcinfo.arg[0] = PointerGetDatum(buf);
+	locfcinfo.arg[1] = ObjectIdGetDatum(OIDOID);
+	locfcinfo.arg[2] = Int32GetDatum(-1);
+	locfcinfo.argnull[0] = false;
+	locfcinfo.argnull[1] = false;
+	locfcinfo.argnull[2] = false;
+
+	result = (oidvector *) DatumGetPointer(array_recv(&locfcinfo));
+
+	Assert(!locfcinfo.isnull);
+
 	/* sanity checks: oidvector must be 1-D, no nulls */
 	if (ARR_NDIM(result) != 1 ||
 		ARR_HASNULL(result) ||