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Assorted code improvements for table partitioning. 

Michael Paquier, per Coverity.
This commit is contained in:
Robert Haas 2017-01-04 15:59:00 -05:00
parent 18fc5192a6
commit 3633b3f656
3 changed files with 18 additions and 2 deletions
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4
src/backend/catalog/heap.c
View File

@ -3248,6 +3248,10 @@ StorePartitionBound(Relation rel, Relation parent, Node *bound)
classRel = heap_open(RelationRelationId, RowExclusiveLock);
tuple = SearchSysCacheCopy1(RELOID,
ObjectIdGetDatum(RelationGetRelid(rel)));
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for relation %u",
RelationGetRelid(rel));
#ifdef USE_ASSERT_CHECKING
{
Form_pg_class classForm;

6
src/backend/catalog/partition.c
View File

@ -200,6 +200,8 @@ RelationBuildPartitionDesc(Relation rel)
Node *boundspec;
tuple = SearchSysCache1(RELOID, inhrelid);
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for relation %u", inhrelid);
/*
* It is possible that the pg_class tuple of a partition has not been
@ -1516,6 +1518,10 @@ generate_partition_qual(Relation rel)
elog(ERROR, "relation \"%s\" has relispartition = false",
RelationGetRelationName(rel));
tuple = SearchSysCache1(RELOID, RelationGetRelid(rel));
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for relation %u",
RelationGetRelid(rel));
boundDatum = SysCacheGetAttr(RELOID, tuple,
Anum_pg_class_relpartbound,
&isnull);

10
src/bin/pg_dump/pg_dump.c
View File

@ -5736,7 +5736,7 @@ getPartitions(Archive *fout, int *numPartitions)
PGresult *res;
int ntups;
int i;
PQExpBuffer query = createPQExpBuffer();
PQExpBuffer query;
PartInfo *partinfo;
int i_partrelid;
@ -5750,6 +5750,8 @@ getPartitions(Archive *fout, int *numPartitions)
return NULL;
}
query = createPQExpBuffer();
/* Make sure we are in proper schema */
selectSourceSchema(fout, "pg_catalog");
@ -7067,7 +7069,7 @@ getTransforms(Archive *fout, int *numTransforms)
void
getTablePartitionKeyInfo(Archive *fout, TableInfo *tblinfo, int numTables)
{
PQExpBuffer q = createPQExpBuffer();
PQExpBuffer q;
int i;
PGresult *res;
@ -7075,6 +7077,8 @@ getTablePartitionKeyInfo(Archive *fout, TableInfo *tblinfo, int numTables)
if (fout->remoteVersion < 100000)
return;
q = createPQExpBuffer();
for (i = 0; i < numTables; i++)
{
TableInfo *tbinfo = &(tblinfo[i]);
@ -7094,6 +7098,8 @@ getTablePartitionKeyInfo(Archive *fout, TableInfo *tblinfo, int numTables)
Assert(PQntuples(res) == 1);
tbinfo->partkeydef = pg_strdup(PQgetvalue(res, 0, 0));
}
destroyPQExpBuffer(q);
}
/*