Augment EXPLAIN output with more details on Hash nodes.
Robert Haas <rhaas@postgresql.org>
Augment EXPLAIN output with more details on Hash nodes. We show the number of buckets, the number of batches (and also the original number if it has changed), and the peak space used by the hash table. Minor executor changes to track peak space used.
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/commands/explain.c | modified | +47 −1 |
| src/backend/executor/nodeHash.c | modified | +10 −1 |
| src/include/executor/hashjoin.h | modified | +2 −1 |