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expression eval: Don't redundantly keep track of AggState.

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It's already tracked via ExprState->parent, so we don't need to also
include it in ExprEvalStep. When that code originally was written
ExprState->parent didn't exist, but it since has been introduced in
6719b238e8.

Author: Andres Freund
Discussion: https://postgr.es/m/20191023163849.sosqbfs5yenocez3@alap3.anarazel.de
This commit is contained in:
Andres Freund
2020-02-06 19:06:16 -08:00
parent 1ec7679f1b
commit 1fdb7f9789
5 changed files with 20 additions and 31 deletions
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17
src/backend/executor/execExprInterp.c
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@ -1544,7 +1544,7 @@ ExecInterpExpr(ExprState *state, ExprContext *econtext, bool *isnull)
EEO_CASE(EEOP_AGG_DESERIALIZE)
{
FunctionCallInfo fcinfo = op->d.agg_deserialize.fcinfo_data;
AggState *aggstate = op->d.agg_deserialize.aggstate;
AggState *aggstate = castNode(AggState, state->parent);
MemoryContext oldContext;
/*
@ -1596,10 +1596,9 @@ ExecInterpExpr(ExprState *state, ExprContext *econtext, bool *isnull)
*/
EEO_CASE(EEOP_AGG_INIT_TRANS)
{
AggState *aggstate;
AggState *aggstate = castNode(AggState, state->parent);
AggStatePerGroup pergroup;
aggstate = op->d.agg_init_trans.aggstate;
pergroup = &aggstate->all_pergroups
[op->d.agg_init_trans.setoff]
[op->d.agg_init_trans.transno];
@ -1624,10 +1623,9 @@ ExecInterpExpr(ExprState *state, ExprContext *econtext, bool *isnull)
/* check that a strict aggregate's input isn't NULL */
EEO_CASE(EEOP_AGG_STRICT_TRANS_CHECK)
{
AggState *aggstate;
AggState *aggstate = castNode(AggState, state->parent);
AggStatePerGroup pergroup;
aggstate = op->d.agg_strict_trans_check.aggstate;
pergroup = &aggstate->all_pergroups
[op->d.agg_strict_trans_check.setoff]
[op->d.agg_strict_trans_check.transno];
@ -1645,14 +1643,13 @@ ExecInterpExpr(ExprState *state, ExprContext *econtext, bool *isnull)
*/
EEO_CASE(EEOP_AGG_PLAIN_TRANS_BYVAL)
{
AggState *aggstate;
AggState *aggstate = castNode(AggState, state->parent);
AggStatePerTrans pertrans;
AggStatePerGroup pergroup;
FunctionCallInfo fcinfo;
MemoryContext oldContext;
Datum newVal;
aggstate = op->d.agg_trans.aggstate;
pertrans = op->d.agg_trans.pertrans;
pergroup = &aggstate->all_pergroups
@ -1696,14 +1693,13 @@ ExecInterpExpr(ExprState *state, ExprContext *econtext, bool *isnull)
*/
EEO_CASE(EEOP_AGG_PLAIN_TRANS)
{
AggState *aggstate;
AggState *aggstate = castNode(AggState, state->parent);
AggStatePerTrans pertrans;
AggStatePerGroup pergroup;
FunctionCallInfo fcinfo;
MemoryContext oldContext;
Datum newVal;
aggstate = op->d.agg_trans.aggstate;
pertrans = op->d.agg_trans.pertrans;
pergroup = &aggstate->all_pergroups
@ -3846,8 +3842,9 @@ ExecEvalXmlExpr(ExprState *state, ExprEvalStep *op)
void
ExecEvalGroupingFunc(ExprState *state, ExprEvalStep *op)
{
AggState *aggstate = castNode(AggState, state->parent);
int result = 0;
Bitmapset *grouped_cols = op->d.grouping_func.parent->grouped_cols;
Bitmapset *grouped_cols = aggstate->grouped_cols;
ListCell *lc;
foreach(lc, op->d.grouping_func.clauses)