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| author | Robert Haas <rhaas@postgresql.org> | 2012-01-25 20:40:34 -0500 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2012-01-25 20:41:52 -0500 |
| commit | 9f9135d129e915e72c8a2f770689fd72619ead49 (patch) | |
| tree | 644c9d0a29e9ccc7b2fd21a00931d62d7bd5094c /src/include/nodes/execnodes.h | |
| parent | 08146775acd8bfe0fcc509c71857abb928697171 (diff) | |
Instrument index-only scans to count heap fetches performed.
Patch by me; review by Tom Lane, Jeff Davis, and Peter Geoghegan.
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index da4b695cd64..5207102f6c9 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -1260,6 +1260,7 @@ typedef struct IndexScanState * RelationDesc index relation descriptor * ScanDesc index scan descriptor * VMBuffer buffer in use for visibility map testing, if any + * HeapFetches number of tuples we were forced to fetch from heap * ---------------- */ typedef struct IndexOnlyScanState @@ -1277,6 +1278,7 @@ typedef struct IndexOnlyScanState Relation ioss_RelationDesc; IndexScanDesc ioss_ScanDesc; Buffer ioss_VMBuffer; + long ioss_HeapFetches; } IndexOnlyScanState; /* ---------------- |