diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/executor/nodeAgg.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/executor/nodeAgg.c b/src/backend/executor/nodeAgg.c index cced591d02c..9c88ce661dc 100644 --- a/src/backend/executor/nodeAgg.c +++ b/src/backend/executor/nodeAgg.c @@ -2664,7 +2664,10 @@ ExecInitAgg(Agg *node, EState *estate, int eflags) if (node->aggstrategy == AGG_HASHED) { - build_hash_table(aggstate); + /* Skip massive memory allocation if we are just doing EXPLAIN */ + if (!(eflags & EXEC_FLAG_EXPLAIN_ONLY)) + build_hash_table(aggstate); + aggstate->table_filled = false; /* Compute the columns we actually need to hash on */ aggstate->hash_needed = find_hash_columns(aggstate); |