database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-11 10:01:57 +03:00
Code Activity

Back out use of palloc0 in place if palloc/MemSet. Seems constant len

Browse Source 
to MemSet is a performance boost.
This commit is contained in:
Bruce Momjian
2002-11-11 03:02:20 +00:00
parent 5d283d89cb
commit 75fee4535d
38 changed files with 212 additions and 110 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/backend/utils/sort/tuplesort.c
View File

@ -78,7 +78,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/sort/tuplesort.c,v 1.30 2002/11/10 07:25:14 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/sort/tuplesort.c,v 1.31 2002/11/11 03:02:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -414,7 +414,9 @@ tuplesort_begin_common(bool randomAccess)
{
Tuplesortstate *state;
state = (Tuplesortstate *) palloc0(sizeof(Tuplesortstate));
state = (Tuplesortstate *) palloc(sizeof(Tuplesortstate));
MemSet((char *) state, 0, sizeof(Tuplesortstate));
state->status = TSS_INITIAL;
state->randomAccess = randomAccess;
@ -457,9 +459,11 @@ tuplesort_begin_heap(TupleDesc tupDesc,
state->tupDesc = tupDesc;
state->nKeys = nkeys;
state->scanKeys = (ScanKey) palloc0(nkeys * sizeof(ScanKeyData));
state->scanKeys = (ScanKey) palloc(nkeys * sizeof(ScanKeyData));
MemSet(state->scanKeys, 0, nkeys * sizeof(ScanKeyData));
state->sortFnKinds = (SortFunctionKind *)
palloc0(nkeys * sizeof(SortFunctionKind));
palloc(nkeys * sizeof(SortFunctionKind));
MemSet(state->sortFnKinds, 0, nkeys * sizeof(SortFunctionKind));
for (i = 0; i < nkeys; i++)
{

6
src/backend/utils/sort/tuplestore.c
View File

@ -26,7 +26,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/sort/tuplestore.c,v 1.8 2002/11/10 07:25:14 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/sort/tuplestore.c,v 1.9 2002/11/11 03:02:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -197,7 +197,9 @@ tuplestore_begin_common(bool randomAccess, int maxKBytes)
{
Tuplestorestate *state;
state = (Tuplestorestate *) palloc0(sizeof(Tuplestorestate));
state = (Tuplestorestate *) palloc(sizeof(Tuplestorestate));
MemSet((char *) state, 0, sizeof(Tuplestorestate));
state->status = TSS_INITIAL;
state->randomAccess = randomAccess;