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Commitbd9b4a9

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Use InitFunctionCallInfoData() macro instead of MemSet in performance
critical places in execQual. By Atsushi Ogawa; some minor cleanup by moi.
1 parent94e0333 commitbd9b4a9

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5 files changed

+61
-84
lines changed

5 files changed

+61
-84
lines changed

‎src/backend/executor/execQual.c‎

Lines changed: 9 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.173 2005/03/16 21:38:06 tgl Exp $
11+
* $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.174 2005/03/22 20:13:06 tgl Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -832,8 +832,7 @@ ExecMakeFunctionResult(FuncExprState *fcache,
832832
if (!fcache->setArgsValid)
833833
{
834834
/* Need to prep callinfo structure */
835-
MemSet(&fcinfo,0,sizeof(fcinfo));
836-
fcinfo.flinfo=&(fcache->func);
835+
InitFunctionCallInfoData(fcinfo,&(fcache->func),0,NULL,NULL);
837836
argDone=ExecEvalFuncArgs(&fcinfo,arguments,econtext);
838837
if (argDone==ExprEndResult)
839838
{
@@ -1046,9 +1045,6 @@ ExecMakeFunctionResultNoSets(FuncExprState *fcache,
10461045
if (isDone)
10471046
*isDone=ExprSingleResult;
10481047

1049-
MemSet(&fcinfo,0,sizeof(fcinfo));
1050-
fcinfo.flinfo=&(fcache->func);
1051-
10521048
/* inlined, simplified version of ExecEvalFuncArgs */
10531049
i=0;
10541050
foreach(arg,fcache->args)
@@ -1067,7 +1063,8 @@ ExecMakeFunctionResultNoSets(FuncExprState *fcache,
10671063
errmsg("set-valued function called in context that cannot accept a set")));
10681064
i++;
10691065
}
1070-
fcinfo.nargs=i;
1066+
1067+
InitFunctionCallInfoData(fcinfo,&(fcache->func),i,NULL,NULL);
10711068

10721069
/*
10731070
* If function is strict, and there are any NULL arguments, skip
@@ -1084,7 +1081,7 @@ ExecMakeFunctionResultNoSets(FuncExprState *fcache,
10841081
}
10851082
}
10861083
}
1087-
/* fcinfo.isnull = false; *//* handled byMemSet */
1084+
/* fcinfo.isnull = false; *//* handled byInitFunctionCallInfoData */
10881085
result=FunctionCallInvoke(&fcinfo);
10891086
*isNull=fcinfo.isnull;
10901087

@@ -1132,8 +1129,7 @@ ExecMakeTableFunctionResult(ExprState *funcexpr,
11321129
* doesn't actually get to see the resultinfo, but set it up anyway
11331130
* because we use some of the fields as our own state variables.
11341131
*/
1135-
MemSet(&fcinfo,0,sizeof(fcinfo));
1136-
fcinfo.resultinfo= (Node*)&rsinfo;
1132+
InitFunctionCallInfoData(fcinfo,NULL,0,NULL, (Node*)&rsinfo);
11371133
rsinfo.type=T_ReturnSetInfo;
11381134
rsinfo.econtext=econtext;
11391135
rsinfo.expectedDesc=expectedDesc;
@@ -1499,8 +1495,7 @@ ExecEvalDistinct(FuncExprState *fcache,
14991495
argList=fcache->args;
15001496

15011497
/* Need to prep callinfo structure */
1502-
MemSet(&fcinfo,0,sizeof(fcinfo));
1503-
fcinfo.flinfo=&(fcache->func);
1498+
InitFunctionCallInfoData(fcinfo,&(fcache->func),0,NULL,NULL);
15041499
argDone=ExecEvalFuncArgs(&fcinfo,argList,econtext);
15051500
if (argDone!=ExprSingleResult)
15061501
ereport(ERROR,
@@ -1573,8 +1568,7 @@ ExecEvalScalarArrayOp(ScalarArrayOpExprState *sstate,
15731568
}
15741569

15751570
/* Need to prep callinfo structure */
1576-
MemSet(&fcinfo,0,sizeof(fcinfo));
1577-
fcinfo.flinfo=&(sstate->fxprstate.func);
1571+
InitFunctionCallInfoData(fcinfo,&(sstate->fxprstate.func),0,NULL,NULL);
15781572
argDone=ExecEvalFuncArgs(&fcinfo,sstate->fxprstate.args,econtext);
15791573
if (argDone!=ExprSingleResult)
15801574
ereport(ERROR,
@@ -2287,8 +2281,7 @@ ExecEvalNullIf(FuncExprState *nullIfExpr,
22872281
argList=nullIfExpr->args;
22882282

22892283
/* Need to prep callinfo structure */
2290-
MemSet(&fcinfo,0,sizeof(fcinfo));
2291-
fcinfo.flinfo=&(nullIfExpr->func);
2284+
InitFunctionCallInfoData(fcinfo,&(nullIfExpr->func),0,NULL,NULL);
22922285
argDone=ExecEvalFuncArgs(&fcinfo,argList,econtext);
22932286
if (argDone!=ExprSingleResult)
22942287
ereport(ERROR,

‎src/backend/executor/nodeAgg.c‎

Lines changed: 5 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -61,7 +61,7 @@
6161
* Portions Copyright (c) 1994, Regents of the University of California
6262
*
6363
* IDENTIFICATION
64-
* $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.130 2005/03/16 21:38:07 tgl Exp $
64+
* $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.131 2005/03/22 20:13:06 tgl Exp $
6565
*
6666
*-------------------------------------------------------------------------
6767
*/
@@ -373,18 +373,9 @@ advance_transition_function(AggState *aggstate,
373373

374374
/*
375375
* OK to call the transition function
376-
*
377-
* This is heavily-used code, so manually zero just the necessary fields
378-
* instead of using MemSet(). Compare FunctionCall2().
379376
*/
380-
381-
/* MemSet(&fcinfo, 0, sizeof(fcinfo)); */
382-
fcinfo.context= (void*)aggstate;
383-
fcinfo.resultinfo=NULL;
384-
fcinfo.isnull= false;
385-
386-
fcinfo.flinfo=&peraggstate->transfn;
387-
fcinfo.nargs=2;
377+
InitFunctionCallInfoData(fcinfo,&(peraggstate->transfn),2,
378+
(void*)aggstate,NULL);
388379
fcinfo.arg[0]=pergroupstate->transValue;
389380
fcinfo.argnull[0]=pergroupstate->transValueIsNull;
390381
fcinfo.arg[1]=newVal;
@@ -556,10 +547,8 @@ finalize_aggregate(AggState *aggstate,
556547
{
557548
FunctionCallInfoDatafcinfo;
558549

559-
MemSet(&fcinfo,0,sizeof(fcinfo));
560-
fcinfo.context= (void*)aggstate;
561-
fcinfo.flinfo=&peraggstate->finalfn;
562-
fcinfo.nargs=1;
550+
InitFunctionCallInfoData(fcinfo,&(peraggstate->finalfn),1,
551+
(void*)aggstate,NULL);
563552
fcinfo.arg[0]=pergroupstate->transValue;
564553
fcinfo.argnull[0]=pergroupstate->transValueIsNull;
565554
if (fcinfo.flinfo->fn_strict&&pergroupstate->transValueIsNull)

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