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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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15
src/backend/utils/cache/fcache.c vendored
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/fcache.c,v 1.33 2000/07/05 23:11:39 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/fcache.c,v 1.34 2000/07/12 02:37:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -75,6 +75,7 @@ init_fcache(Oid foid,
retval = (FunctionCachePtr) palloc(sizeof(FunctionCache));
MemSet(retval, 0, sizeof(FunctionCache));
retval->fcacheCxt = CurrentMemoryContext;
/* ----------------
* get the procedure tuple corresponding to the given functionOid
@ -256,22 +257,26 @@ init_fcache(Oid foid,
void
setFcache(Node *node, Oid foid, List *argList, ExprContext *econtext)
{
Func *fnode;
Oper *onode;
MemoryContext oldcontext;
FunctionCachePtr fcache;
/* Switch to a context long-lived enough for the fcache entry */
oldcontext = MemoryContextSwitchTo(econtext->ecxt_per_query_memory);
fcache = init_fcache(foid, argList, econtext);
if (IsA(node, Oper))
{
onode = (Oper *) node;
Oper *onode = (Oper *) node;
onode->op_fcache = fcache;
}
else if (IsA(node, Func))
{
fnode = (Func *) node;
Func *fnode = (Func *) node;
fnode->func_fcache = fcache;
}
else
elog(ERROR, "init_fcache: node must be Oper or Func!");
MemoryContextSwitchTo(oldcontext);
}