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Commit9691aa7

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Fix style violations in syscache lookups.
Project style is to check the success of SearchSysCacheN and friendsby applying HeapTupleIsValid to the result. A tiny minority of callscreatively did it differently. Bring them into line with the rest.This is just cosmetic, since HeapTupleIsValid is indeed just a nullcheck at the moment ... but that may not be true forever, and in anycase it puts a mental burden on readers who may wonder why thesecall sites are not like the rest.Back-patch to v11 just to keep the branches in sync. (The bulk of theseerrors seem to have originated in v11 or v12, though a few are old.)Per searching to see if anyplace else had made the same errorrepaired in62148c3.
1 parent62148c3 commit9691aa7

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9 files changed

+16
-18
lines changed

9 files changed

+16
-18
lines changed

‎src/backend/catalog/partition.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -164,7 +164,7 @@ index_get_partition(Relation partition, Oid indexId)
164164
boolispartition;
165165

166166
tup=SearchSysCache1(RELOID,ObjectIdGetDatum(partIdx));
167-
if (!tup)
167+
if (!HeapTupleIsValid(tup))
168168
elog(ERROR,"cache lookup failed for relation %u",partIdx);
169169
classForm= (Form_pg_class)GETSTRUCT(tup);
170170
ispartition=classForm->relispartition;

‎src/backend/catalog/pg_publication.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -130,7 +130,7 @@ pg_relation_is_publishable(PG_FUNCTION_ARGS)
130130
boolresult;
131131

132132
tuple=SearchSysCache1(RELOID,ObjectIdGetDatum(relid));
133-
if (!tuple)
133+
if (!HeapTupleIsValid(tuple))
134134
PG_RETURN_NULL();
135135
result=is_publishable_class(relid, (Form_pg_class)GETSTRUCT(tuple));
136136
ReleaseSysCache(tuple);

‎src/backend/commands/indexcmds.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1219,7 +1219,7 @@ DefineIndex(Oid relationId,
12191219

12201220
tup=SearchSysCache1(INDEXRELID,
12211221
ObjectIdGetDatum(indexRelationId));
1222-
if (!tup)
1222+
if (!HeapTupleIsValid(tup))
12231223
elog(ERROR,"cache lookup failed for index %u",
12241224
indexRelationId);
12251225
newtup=heap_copytuple(tup);

‎src/backend/commands/opclasscmds.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1071,7 +1071,7 @@ assignOperTypes(OpFamilyMember *member, Oid amoid, Oid typeoid)
10711071

10721072
/* Fetch the operator definition */
10731073
optup=SearchSysCache1(OPEROID,ObjectIdGetDatum(member->object));
1074-
if (optup==NULL)
1074+
if (!HeapTupleIsValid(optup))
10751075
elog(ERROR,"cache lookup failed for operator %u",member->object);
10761076
opform= (Form_pg_operator)GETSTRUCT(optup);
10771077

@@ -1137,7 +1137,7 @@ assignProcTypes(OpFamilyMember *member, Oid amoid, Oid typeoid)
11371137

11381138
/* Fetch the procedure definition */
11391139
proctup=SearchSysCache1(PROCOID,ObjectIdGetDatum(member->object));
1140-
if (proctup==NULL)
1140+
if (!HeapTupleIsValid(proctup))
11411141
elog(ERROR,"cache lookup failed for function %u",member->object);
11421142
procform= (Form_pg_proc)GETSTRUCT(proctup);
11431143

‎src/backend/commands/operatorcmds.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -407,7 +407,7 @@ AlterOperator(AlterOperatorStmt *stmt)
407407
oprId=LookupOperWithArgs(stmt->opername, false);
408408
catalog=table_open(OperatorRelationId,RowExclusiveLock);
409409
tup=SearchSysCacheCopy1(OPEROID,ObjectIdGetDatum(oprId));
410-
if (tup==NULL)
410+
if (!HeapTupleIsValid(tup))
411411
elog(ERROR,"cache lookup failed for operator %u",oprId);
412412
oprForm= (Form_pg_operator)GETSTRUCT(tup);
413413

‎src/backend/commands/statscmds.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -461,7 +461,7 @@ UpdateStatisticsForTypeChange(Oid statsOid, Oid relationOid, int attnum,
461461
boolreplaces[Natts_pg_statistic_ext];
462462

463463
oldtup=SearchSysCache1(STATEXTOID,ObjectIdGetDatum(statsOid));
464-
if (!oldtup)
464+
if (!HeapTupleIsValid(oldtup))
465465
elog(ERROR,"cache lookup failed for statistics object %u",statsOid);
466466

467467
/*

‎src/backend/commands/tablecmds.c‎

Lines changed: 7 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -8606,7 +8606,7 @@ CloneFkReferencing(List **wqueue, Relation parentRel, Relation partRel)
86068606
ListCell *cell;
86078607

86088608
tuple = SearchSysCache1(CONSTROID, parentConstrOid);
8609-
if (!tuple)
8609+
if (!HeapTupleIsValid(tuple))
86108610
elog(ERROR, "cache lookup failed for constraint %u",
86118611
parentConstrOid);
86128612
constrForm = (Form_pg_constraint) GETSTRUCT(tuple);
@@ -8785,7 +8785,7 @@ tryAttachPartitionForeignKey(ForeignKeyCacheInfo *fk,
87858785

87868786
parentConstrTup = SearchSysCache1(CONSTROID,
87878787
ObjectIdGetDatum(parentConstrOid));
8788-
if (!parentConstrTup)
8788+
if (!HeapTupleIsValid(parentConstrTup))
87898789
elog(ERROR, "cache lookup failed for constraint %u", parentConstrOid);
87908790
parentConstr = (Form_pg_constraint) GETSTRUCT(parentConstrTup);
87918791

@@ -8816,9 +8816,8 @@ tryAttachPartitionForeignKey(ForeignKeyCacheInfo *fk,
88168816
*/
88178817
partcontup = SearchSysCache1(CONSTROID,
88188818
ObjectIdGetDatum(fk->conoid));
8819-
if (!partcontup)
8820-
elog(ERROR, "cache lookup failed for constraint %u",
8821-
fk->conoid);
8819+
if (!HeapTupleIsValid(partcontup))
8820+
elog(ERROR, "cache lookup failed for constraint %u", fk->conoid);
88228821
partConstr = (Form_pg_constraint) GETSTRUCT(partcontup);
88238822
if (OidIsValid(partConstr->conparentid) ||
88248823
!partConstr->convalidated ||
@@ -16001,7 +16000,7 @@ ATExecDetachPartition(Relation rel, RangeVar *name)
1600116000
Constraint *fkconstraint;
1600216001

1600316002
contup = SearchSysCache1(CONSTROID, ObjectIdGetDatum(fk->conoid));
16004-
if (!contup)
16003+
if (!HeapTupleIsValid(contup))
1600516004
elog(ERROR, "cache lookup failed for constraint %u", fk->conoid);
1600616005
conform = (Form_pg_constraint) GETSTRUCT(contup);
1600716006

@@ -16346,9 +16345,8 @@ validatePartitionedIndex(Relation partedIdx, Relation partedTbl)
1634616345

1634716346
indTup = SearchSysCache1(INDEXRELID,
1634816347
ObjectIdGetDatum(inhForm->inhrelid));
16349-
if (!indTup)
16350-
elog(ERROR, "cache lookup failed for index %u",
16351-
inhForm->inhrelid);
16348+
if (!HeapTupleIsValid(indTup))
16349+
elog(ERROR, "cache lookup failed for index %u", inhForm->inhrelid);
1635216350
indexForm = (Form_pg_index) GETSTRUCT(indTup);
1635316351
if (indexForm->indisvalid)
1635416352
tuples += 1;

‎src/backend/optimizer/util/appendinfo.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -134,7 +134,7 @@ make_inh_translation_list(Relation oldrelation, Relation newrelation,
134134
HeapTuplenewtup;
135135

136136
newtup=SearchSysCacheAttName(new_relid,attname);
137-
if (!newtup)
137+
if (!HeapTupleIsValid(newtup))
138138
elog(ERROR,"could not find inherited attribute \"%s\" of relation \"%s\"",
139139
attname,RelationGetRelationName(newrelation));
140140
new_attno= ((Form_pg_attribute)GETSTRUCT(newtup))->attnum-1;

‎src/backend/optimizer/util/plancat.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1312,7 +1312,7 @@ get_relation_statistics(RelOptInfo *rel, Relation relation)
13121312
inti;
13131313

13141314
htup=SearchSysCache1(STATEXTOID,ObjectIdGetDatum(statOid));
1315-
if (!htup)
1315+
if (!HeapTupleIsValid(htup))
13161316
elog(ERROR,"cache lookup failed for statistics object %u",statOid);
13171317
staForm= (Form_pg_statistic_ext)GETSTRUCT(htup);
13181318

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