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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
6719b238e8f.

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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5
src/backend/executor/execExpr.c
View File

@ -810,7 +810,6 @@ ExecInitExprRec(Expr *node, ExprState *state,
elog(ERROR, "GroupingFunc found in non-Agg plan node");
scratch.opcode = EEOP_GROUPING_FUNC;
scratch.d.grouping_func.parent = (AggState *) state->parent;
agg = (Agg *) (state->parent->plan);
@ -3050,7 +3049,6 @@ ExecBuildAggTrans(AggState *aggstate, AggStatePerPhase phase,
else
scratch.opcode = EEOP_AGG_DESERIALIZE;
scratch.d.agg_deserialize.aggstate = aggstate;
scratch.d.agg_deserialize.fcinfo_data = ds_fcinfo;
scratch.d.agg_deserialize.jumpnull = -1; /* adjust later */
scratch.resvalue = &trans_fcinfo->args[argno + 1].value;
@ -3252,7 +3250,6 @@ ExecBuildAggTransCall(ExprState *state, AggState *aggstate,
pertrans->initValueIsNull)
{
scratch->opcode = EEOP_AGG_INIT_TRANS;
scratch->d.agg_init_trans.aggstate = aggstate;
scratch->d.agg_init_trans.pertrans = pertrans;
scratch->d.agg_init_trans.setno = setno;
scratch->d.agg_init_trans.setoff = setoff;
@ -3269,7 +3266,6 @@ ExecBuildAggTransCall(ExprState *state, AggState *aggstate,
fcinfo->flinfo->fn_strict)
{
scratch->opcode = EEOP_AGG_STRICT_TRANS_CHECK;
scratch->d.agg_strict_trans_check.aggstate = aggstate;
scratch->d.agg_strict_trans_check.setno = setno;
scratch->d.agg_strict_trans_check.setoff = setoff;
scratch->d.agg_strict_trans_check.transno = transno;
@ -3294,7 +3290,6 @@ ExecBuildAggTransCall(ExprState *state, AggState *aggstate,
else
scratch->opcode = EEOP_AGG_ORDERED_TRANS_TUPLE;
scratch->d.agg_trans.aggstate = aggstate;
scratch->d.agg_trans.pertrans = pertrans;
scratch->d.agg_trans.setno = setno;
scratch->d.agg_trans.setoff = setoff;

17
src/backend/executor/execExprInterp.c
View File

@ -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)

23
src/backend/jit/llvm/llvmjit_expr.c
View File

@ -85,6 +85,7 @@ llvm_compile_expr(ExprState *state)
/* state itself */
LLVMValueRef v_state;
LLVMValueRef v_econtext;
LLVMValueRef v_parent;
/* returnvalue */
LLVMValueRef v_isnullp;
@ -173,6 +174,9 @@ llvm_compile_expr(ExprState *state)
v_tmpisnullp = LLVMBuildStructGEP(b, v_state,
FIELDNO_EXPRSTATE_RESNULL,
"v.state.resnull");
v_parent = l_load_struct_gep(b, v_state,
FIELDNO_EXPRSTATE_PARENT,
"v.state.parent");
/* build global slots */
v_scanslot = l_load_struct_gep(b, v_econtext,
@ -1989,7 +1993,7 @@ llvm_compile_expr(ExprState *state)
LLVMValueRef v_tmpcontext;
LLVMValueRef v_oldcontext;
aggstate = op->d.agg_deserialize.aggstate;
aggstate = castNode(AggState, state->parent);
fcinfo = op->d.agg_deserialize.fcinfo_data;
v_tmpcontext =
@ -2078,7 +2082,6 @@ llvm_compile_expr(ExprState *state)
case EEOP_AGG_INIT_TRANS:
{
AggState *aggstate;
AggStatePerTrans pertrans;
LLVMValueRef v_aggstatep;
@ -2095,11 +2098,10 @@ llvm_compile_expr(ExprState *state)
LLVMBasicBlockRef b_init;
aggstate = op->d.agg_init_trans.aggstate;
pertrans = op->d.agg_init_trans.pertrans;
v_aggstatep = l_ptr_const(aggstate,
l_ptr(StructAggState));
v_aggstatep =
LLVMBuildBitCast(b, v_parent, l_ptr(StructAggState), "");
v_pertransp = l_ptr_const(pertrans,
l_ptr(StructAggStatePerTransData));
@ -2176,7 +2178,6 @@ llvm_compile_expr(ExprState *state)
case EEOP_AGG_STRICT_TRANS_CHECK:
{
AggState *aggstate;
LLVMValueRef v_setoff,
v_transno;
@ -2188,8 +2189,8 @@ llvm_compile_expr(ExprState *state)
int jumpnull = op->d.agg_strict_trans_check.jumpnull;
aggstate = op->d.agg_strict_trans_check.aggstate;
v_aggstatep = l_ptr_const(aggstate, l_ptr(StructAggState));
v_aggstatep =
LLVMBuildBitCast(b, v_parent, l_ptr(StructAggState), "");
/*
* pergroup = &aggstate->all_pergroups
@ -2256,13 +2257,13 @@ llvm_compile_expr(ExprState *state)
LLVMValueRef v_tmpcontext;
LLVMValueRef v_oldcontext;
aggstate = op->d.agg_trans.aggstate;
aggstate = castNode(AggState, state->parent);
pertrans = op->d.agg_trans.pertrans;
fcinfo = pertrans->transfn_fcinfo;
v_aggstatep = l_ptr_const(aggstate,
l_ptr(StructAggState));
v_aggstatep =
LLVMBuildBitCast(b, v_parent, l_ptr(StructAggState), "");
v_pertransp = l_ptr_const(pertrans,
l_ptr(StructAggStatePerTransData));

5
src/include/executor/execExpr.h
View File

@ -569,7 +569,6 @@ typedef struct ExprEvalStep
/* for EEOP_GROUPING_FUNC */
struct
{
AggState *parent; /* parent Agg */
List *clauses; /* integer list of column numbers */
} grouping_func;
@ -597,7 +596,6 @@ typedef struct ExprEvalStep
/* for EEOP_AGG_*DESERIALIZE */
struct
{
AggState *aggstate;
FunctionCallInfo fcinfo_data;
int jumpnull;
} agg_deserialize;
@ -625,7 +623,6 @@ typedef struct ExprEvalStep
/* for EEOP_AGG_INIT_TRANS */
struct
{
AggState *aggstate;
AggStatePerTrans pertrans;
ExprContext *aggcontext;
int setno;
@ -637,7 +634,6 @@ typedef struct ExprEvalStep
/* for EEOP_AGG_STRICT_TRANS_CHECK */
struct
{
AggState *aggstate;
int setno;
int transno;
int setoff;
@ -647,7 +643,6 @@ typedef struct ExprEvalStep
/* for EEOP_AGG_{PLAIN,ORDERED}_TRANS* */
struct
{
AggState *aggstate;
AggStatePerTrans pertrans;
ExprContext *aggcontext;
int setno;

1
src/include/nodes/execnodes.h
View File

@ -104,6 +104,7 @@ typedef struct ExprState
int steps_len; /* number of steps currently */
int steps_alloc; /* allocated length of steps array */
#define FIELDNO_EXPRSTATE_PARENT 11
struct PlanState *parent; /* parent PlanState node, if any */
ParamListInfo ext_params; /* for compiling PARAM_EXTERN nodes */