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-rw-r--r--src/backend/access/heap/tuptoaster.c7
-rw-r--r--src/backend/parser/parse_coerce.c6
-rw-r--r--src/backend/parser/parse_target.c5
-rw-r--r--src/backend/utils/adt/rowtypes.c10
-rw-r--r--src/backend/utils/adt/ruleutils.c3
-rw-r--r--src/backend/utils/cache/typcache.c4
6 files changed, 28 insertions, 7 deletions
diff --git a/src/backend/access/heap/tuptoaster.c b/src/backend/access/heap/tuptoaster.c
index c06b3b8d36a..02af9d8e455 100644
--- a/src/backend/access/heap/tuptoaster.c
+++ b/src/backend/access/heap/tuptoaster.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/heap/tuptoaster.c,v 1.47 2005/01/01 05:43:06 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/access/heap/tuptoaster.c,v 1.47.4.1 2006/01/17 17:33:34 tgl Exp $
*
*
* INTERFACE ROUTINES
@@ -820,6 +820,7 @@ toast_flatten_tuple_attribute(Datum value,
if (tupleDesc == NULL)
return value; /* not a composite type */
+ tupleDesc = CreateTupleDescCopy(tupleDesc);
att = tupleDesc->attrs;
numAttrs = tupleDesc->natts;
@@ -866,7 +867,10 @@ toast_flatten_tuple_attribute(Datum value,
* If nothing to untoast, just return the original tuple.
*/
if (!need_change)
+ {
+ FreeTupleDesc(tupleDesc);
return value;
+ }
/*
* Calculate the new size of the tuple. Header size should not
@@ -903,6 +907,7 @@ toast_flatten_tuple_attribute(Datum value,
for (i = 0; i < numAttrs; i++)
if (toast_free[i])
pfree(DatumGetPointer(toast_values[i]));
+ FreeTupleDesc(tupleDesc);
return PointerGetDatum(new_data);
}
diff --git a/src/backend/parser/parse_coerce.c b/src/backend/parser/parse_coerce.c
index 125c218bb55..869e870b66c 100644
--- a/src/backend/parser/parse_coerce.c
+++ b/src/backend/parser/parse_coerce.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.126.4.1 2006/01/12 22:29:22 neilc Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.126.4.2 2006/01/17 17:33:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -700,7 +700,7 @@ coerce_record_to_complex(ParseState *pstate, Node *node,
format_type_be(RECORDOID),
format_type_be(targetTypeId))));
- tupdesc = lookup_rowtype_tupdesc(targetTypeId, -1);
+ tupdesc = CreateTupleDescCopy(lookup_rowtype_tupdesc(targetTypeId, -1));
newargs = NIL;
ucolno = 1;
arg = list_head(args);
@@ -758,6 +758,8 @@ coerce_record_to_complex(ParseState *pstate, Node *node,
format_type_be(targetTypeId)),
errdetail("Input has too many columns.")));
+ FreeTupleDesc(tupdesc);
+
rowexpr = makeNode(RowExpr);
rowexpr->args = newargs;
rowexpr->row_typeid = targetTypeId;
diff --git a/src/backend/parser/parse_target.c b/src/backend/parser/parse_target.c
index a6b1edbe48d..fc1ddc3dadb 100644
--- a/src/backend/parser/parse_target.c
+++ b/src/backend/parser/parse_target.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/parser/parse_target.c,v 1.129.4.1 2005/12/14 16:30:20 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/parse_target.c,v 1.129.4.2 2006/01/17 17:33:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -839,6 +839,7 @@ ExpandIndirectionStar(ParseState *pstate, A_Indirection *ind)
/* Verify it's a composite type, and get the tupdesc */
tupleDesc = lookup_rowtype_tupdesc(exprType(expr), exprTypmod(expr));
+ tupleDesc = CreateTupleDescCopy(tupleDesc);
/* Generate a list of references to the individual fields */
numAttrs = tupleDesc->natts;
@@ -889,6 +890,8 @@ ExpandIndirectionStar(ParseState *pstate, A_Indirection *ind)
te_list = lappend(te_list, te);
}
+ FreeTupleDesc(tupleDesc);
+
return te_list;
}
diff --git a/src/backend/utils/adt/rowtypes.c b/src/backend/utils/adt/rowtypes.c
index 603072886e2..6f9c8aca0ce 100644
--- a/src/backend/utils/adt/rowtypes.c
+++ b/src/backend/utils/adt/rowtypes.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/rowtypes.c,v 1.8.4.2 2005/04/30 20:04:46 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/rowtypes.c,v 1.8.4.3 2006/01/17 17:33:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -79,6 +79,7 @@ record_in(PG_FUNCTION_ARGS)
errmsg("input of anonymous composite types is not implemented")));
tupTypmod = -1; /* for all non-anonymous types */
tupdesc = lookup_rowtype_tupdesc(tupType, tupTypmod);
+ tupdesc = CreateTupleDescCopy(tupdesc);
ncolumns = tupdesc->natts;
/*
@@ -257,6 +258,7 @@ record_in(PG_FUNCTION_ARGS)
pfree(buf.data);
pfree(values);
pfree(nulls);
+ FreeTupleDesc(tupdesc);
PG_RETURN_HEAPTUPLEHEADER(result);
}
@@ -284,6 +286,7 @@ record_out(PG_FUNCTION_ARGS)
tupType = HeapTupleHeaderGetTypeId(rec);
tupTypmod = HeapTupleHeaderGetTypMod(rec);
tupdesc = lookup_rowtype_tupdesc(tupType, tupTypmod);
+ tupdesc = CreateTupleDescCopy(tupdesc);
ncolumns = tupdesc->natts;
/* Build a temporary HeapTuple control structure */
@@ -408,6 +411,7 @@ record_out(PG_FUNCTION_ARGS)
pfree(values);
pfree(nulls);
+ FreeTupleDesc(tupdesc);
PG_RETURN_CSTRING(buf.data);
}
@@ -444,6 +448,7 @@ record_recv(PG_FUNCTION_ARGS)
errmsg("input of anonymous composite types is not implemented")));
tupTypmod = -1; /* for all non-anonymous types */
tupdesc = lookup_rowtype_tupdesc(tupType, tupTypmod);
+ tupdesc = CreateTupleDescCopy(tupdesc);
ncolumns = tupdesc->natts;
/*
@@ -593,6 +598,7 @@ record_recv(PG_FUNCTION_ARGS)
heap_freetuple(tuple);
pfree(values);
pfree(nulls);
+ FreeTupleDesc(tupdesc);
PG_RETURN_HEAPTUPLEHEADER(result);
}
@@ -620,6 +626,7 @@ record_send(PG_FUNCTION_ARGS)
tupType = HeapTupleHeaderGetTypeId(rec);
tupTypmod = HeapTupleHeaderGetTypMod(rec);
tupdesc = lookup_rowtype_tupdesc(tupType, tupTypmod);
+ tupdesc = CreateTupleDescCopy(tupdesc);
ncolumns = tupdesc->natts;
/* Build a temporary HeapTuple control structure */
@@ -722,6 +729,7 @@ record_send(PG_FUNCTION_ARGS)
pfree(values);
pfree(nulls);
+ FreeTupleDesc(tupdesc);
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 63ec591edfb..a2552f4722a 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.188.4.2 2005/07/15 18:40:20 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.188.4.3 2006/01/17 17:33:34 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@@ -3245,6 +3245,7 @@ get_rule_expr(Node *node, deparse_context *context,
if (rowexpr->row_typeid != RECORDOID)
{
tupdesc = lookup_rowtype_tupdesc(rowexpr->row_typeid, -1);
+ tupdesc = CreateTupleDescCopy(tupdesc);
Assert(list_length(rowexpr->args) <= tupdesc->natts);
}
diff --git a/src/backend/utils/cache/typcache.c b/src/backend/utils/cache/typcache.c
index 7e15f884f61..b719f99d82d 100644
--- a/src/backend/utils/cache/typcache.c
+++ b/src/backend/utils/cache/typcache.c
@@ -36,7 +36,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/cache/typcache.c,v 1.11 2004/12/31 22:01:25 pgsql Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/cache/typcache.c,v 1.11.4.1 2006/01/17 17:33:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -383,6 +383,8 @@ lookup_default_opclass(Oid type_id, Oid am_id)
*
* Note: returned TupleDesc points to cached copy; caller must copy it
* if intending to scribble on it or keep a reference for a long time.
+ * ("A long time" basically means "across any possible cache flush",
+ * which typically could occur at any relation open or catalog lookup.)
*/
TupleDesc
lookup_rowtype_tupdesc(Oid type_id, int32 typmod)
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-23 07:13:32 +0000