database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-29 10:41:53 +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

19
src/backend/utils/adt/arrayfuncs.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.83 2002/11/10 07:25:14 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.84 2002/11/11 03:02:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -235,7 +235,8 @@ array_in(PG_FUNCTION_ARGS)
if (nitems == 0)
{
/* Return empty array */
retval = (ArrayType *) palloc0(sizeof(ArrayType));
retval = (ArrayType *) palloc(sizeof(ArrayType));
MemSet(retval, 0, sizeof(ArrayType));
retval->size = sizeof(ArrayType);
retval->elemtype = element_type;
PG_RETURN_ARRAYTYPE_P(retval);
@ -248,7 +249,8 @@ array_in(PG_FUNCTION_ARGS)
typmod, typdelim, typlen, typbyval, typalign,
&nbytes);
nbytes += ARR_OVERHEAD(ndim);
retval = (ArrayType *) palloc0(nbytes);
retval = (ArrayType *) palloc(nbytes);
MemSet(retval, 0, nbytes);
retval->size = nbytes;
retval->ndim = ndim;
retval->elemtype = element_type;
@ -395,7 +397,8 @@ ReadArrayStr(char *arrayStr,
prod[MAXDIM];
mda_get_prod(ndim, dim, prod);
values = (Datum *) palloc0(nitems * sizeof(Datum));
values = (Datum *) palloc(nitems * sizeof(Datum));
MemSet(values, 0, nitems * sizeof(Datum));
MemSet(indx, 0, sizeof(indx));
/* read array enclosed within {} */
@ -511,7 +514,10 @@ ReadArrayStr(char *arrayStr,
if (!typbyval)
for (i = 0; i < nitems; i++)
if (values[i] == (Datum) 0)
values[i] = PointerGetDatum(palloc0(typlen));
{
values[i] = PointerGetDatum(palloc(typlen));
MemSet(DatumGetPointer(values[i]), 0, typlen);
}
}
else
{
@ -1587,7 +1593,8 @@ array_map(FunctionCallInfo fcinfo, Oid inpType, Oid retType)
/* Allocate and initialize the result array */
nbytes += ARR_OVERHEAD(ndim);
result = (ArrayType *) palloc0(nbytes);
result = (ArrayType *) palloc(nbytes);
MemSet(result, 0, nbytes);
result->size = nbytes;
result->ndim = ndim;