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First stage of reclaiming memory in executor by resetting short-term

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memory contexts.  Currently, only leaks in expressions executed as
quals or projections are handled.  Clean up some old dead cruft in
executor while at it --- unused fields in state nodes, that sort of thing.
This commit is contained in:
Tom Lane
2000-07-12 02:37:39 +00:00
parent 46fb9c29e2
commit badce86a2c
53 changed files with 1536 additions and 1584 deletions
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4
src/backend/nodes/copyfuncs.c
View File

@ -19,7 +19,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.115 2000/06/29 07:35:56 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.116 2000/07/12 02:37:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -578,7 +578,7 @@ _copySubPlan(SubPlan *from)
Node_Copy(from, newnode, sublink);
/* do not copy execution state */
newnode->shutdown = false;
newnode->needShutdown = false;
newnode->curTuple = NULL;
return newnode;

6
src/backend/nodes/equalfuncs.c
View File

@ -24,7 +24,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.67 2000/06/29 07:35:56 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.68 2000/07/12 02:37:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -184,8 +184,8 @@ _equalConst(Const *a, Const *b)
*/
if (a->constisnull)
return true;
return (datumIsEqual(a->constvalue, b->constvalue,
a->consttype, a->constbyval, a->constlen));
return datumIsEqual(a->constvalue, b->constvalue,
a->constbyval, a->constlen);
}
static bool

21
src/backend/nodes/outfuncs.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.120 2000/06/18 22:44:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.121 2000/07/12 02:37:06 tgl Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@ -1155,10 +1155,10 @@ _outJoinInfo(StringInfo str, JoinInfo *node)
static void
_outDatum(StringInfo str, Datum value, Oid type)
{
char *s;
Size length,
typeLength;
bool byValue;
int typeLength;
Size length;
char *s;
int i;
/*
@ -1167,12 +1167,12 @@ _outDatum(StringInfo str, Datum value, Oid type)
*/
byValue = get_typbyval(type);
typeLength = get_typlen(type);
length = datumGetSize(value, type, byValue, typeLength);
length = datumGetSize(value, byValue, typeLength);
if (byValue)
{
s = (char *) (&value);
appendStringInfo(str, " %d [ ", length);
appendStringInfo(str, " %u [ ", (unsigned int) length);
for (i = 0; i < (int) sizeof(Datum); i++)
appendStringInfo(str, "%d ", (int) (s[i]));
appendStringInfo(str, "] ");
@ -1184,14 +1184,7 @@ _outDatum(StringInfo str, Datum value, Oid type)
appendStringInfo(str, " 0 [ ] ");
else
{
/*
* length is unsigned - very bad to do < comparison to -1
* without casting it to int first!! -mer 8 Jan 1991
*/
if (((int) length) <= -1)
length = VARSIZE(s);
appendStringInfo(str, " %d [ ", length);
appendStringInfo(str, " %u [ ", (unsigned int) length);
for (i = 0; i < (int) length; i++)
appendStringInfo(str, "%d ", (int) (s[i]));
appendStringInfo(str, "] ");

4
src/backend/nodes/readfuncs.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.91 2000/06/18 22:44:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.92 2000/07/12 02:37:06 tgl Exp $
*
* NOTES
* Most of the read functions for plan nodes are tested. (In fact, they
@ -608,7 +608,7 @@ _readHash()
_getPlan((Plan *) local_node);
token = lsptok(NULL, &length); /* eat :hashkey */
local_node->hashkey = (Var *) nodeRead(true);
local_node->hashkey = nodeRead(true);
return local_node;
}