diff options
Diffstat (limited to 'src/backend/utils/adt/selfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/selfuncs.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c index ecffffbd0c8..b4199131552 100644 --- a/src/backend/utils/adt/selfuncs.c +++ b/src/backend/utils/adt/selfuncs.c @@ -5187,11 +5187,10 @@ get_actual_variable_range(PlannerInfo *root, VariableStatData *vardata, /* * Open the table and index so we can read from them. We should - * already have at least AccessShareLock on the table, but not - * necessarily on the index. + * already have some type of lock on each. */ heapRel = table_open(rte->relid, NoLock); - indexRel = index_open(index->indexoid, AccessShareLock); + indexRel = index_open(index->indexoid, NoLock); /* extract index key information from the index's pg_index info */ indexInfo = BuildIndexInfo(indexRel); @@ -5305,7 +5304,7 @@ get_actual_variable_range(PlannerInfo *root, VariableStatData *vardata, /* Clean everything up */ ExecDropSingleTupleTableSlot(slot); - index_close(indexRel, AccessShareLock); + index_close(indexRel, NoLock); table_close(heapRel, NoLock); MemoryContextSwitchTo(oldcontext); @@ -6472,9 +6471,10 @@ gincostestimate(PlannerInfo *root, IndexPath *path, double loop_count, */ if (!index->hypothetical) { - indexRel = index_open(index->indexoid, AccessShareLock); + /* Lock should have already been obtained in plancat.c */ + indexRel = index_open(index->indexoid, NoLock); ginGetStats(indexRel, &ginStats); - index_close(indexRel, AccessShareLock); + index_close(indexRel, NoLock); } else { @@ -6781,11 +6781,12 @@ brincostestimate(PlannerInfo *root, IndexPath *path, double loop_count, &spc_seq_page_cost); /* - * Obtain some data from the index itself. + * Obtain some data from the index itself. A lock should have already + * been obtained on the index in plancat.c. */ - indexRel = index_open(index->indexoid, AccessShareLock); + indexRel = index_open(index->indexoid, NoLock); brinGetStats(indexRel, &statsData); - index_close(indexRel, AccessShareLock); + index_close(indexRel, NoLock); /* * Compute index correlation |