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update src/common/backend/catalog/pg_partition.cpp.

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maxiang
2021-07-02 02:26:10 +00:00
committed by Gitee
parent 829ed77424
commit f992a669c0
1 changed files with 1 additions and 12 deletions
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13
src/common/backend/catalog/pg_partition.cpp
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@ -761,18 +761,7 @@ List* searchPgPartitionByParentId(char parttype, Oid parentId)
ScanKeyInit(&key[0], Anum_pg_partition_parttype, BTEqualStrategyNumber, F_CHAREQ, CharGetDatum(parttype));
ScanKeyInit(&key[1], Anum_pg_partition_parentid, BTEqualStrategyNumber, F_OIDEQ, ObjectIdGetDatum(parentId));
/*
* The caller might need a tuple that's newer than the one the historic
* snapshot; currently the only case requiring to do so is looking up the
* relfilenode of non mapped system relations during decoding.
*/
Snapshot snapshot = NULL;
snapshot = SnapshotNow;
if (HistoricSnapshotActive()) {
snapshot = GetCatalogSnapshot();
}
scan = systable_beginscan(pg_partition, PartitionParentOidIndexId, true, snapshot, 2, key);
scan = systable_beginscan(pg_partition, PartitionParentOidIndexId, true, NULL, 2, key);
while (HeapTupleIsValid(tuple = systable_getnext(scan))) {
dtuple = heap_copytuple(tuple);