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| author | Robert Haas <rhaas@postgresql.org> | 2014-01-13 14:42:16 -0500 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2014-01-13 14:42:16 -0500 |
| commit | 2bb1f14b89deacd1142b4a06bcb1a52a76270449 (patch) | |
| tree | bf36adfe14e71c70c621d8db66c92978927afb07 /src/backend/executor/nodeBitmapHeapscan.c | |
| parent | c3ccc9ee584b9b015dd9c1931e261e21f3961e5f (diff) | |
| download | postgresql-2bb1f14b89deacd1142b4a06bcb1a52a76270449.tar.gz postgresql-2bb1f14b89deacd1142b4a06bcb1a52a76270449.zip | |
Make bitmap heap scans show exact/lossy block info in EXPLAIN ANALYZE.
Etsuro Fujita
Diffstat (limited to 'src/backend/executor/nodeBitmapHeapscan.c')
| -rw-r--r-- | src/backend/executor/nodeBitmapHeapscan.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/executor/nodeBitmapHeapscan.c b/src/backend/executor/nodeBitmapHeapscan.c index 3d98c2335c1..1a8d4e51430 100644 --- a/src/backend/executor/nodeBitmapHeapscan.c +++ b/src/backend/executor/nodeBitmapHeapscan.c @@ -170,6 +170,11 @@ BitmapHeapNext(BitmapHeapScanState *node) */ bitgetpage(scan, tbmres); + if (tbmres->ntuples >= 0) + node->exact_pages++; + else + node->lossy_pages++; + /* * Set rs_cindex to first slot to examine */ @@ -553,6 +558,8 @@ ExecInitBitmapHeapScan(BitmapHeapScan *node, EState *estate, int eflags) scanstate->tbm = NULL; scanstate->tbmiterator = NULL; scanstate->tbmres = NULL; + scanstate->exact_pages = 0; + scanstate->lossy_pages = 0; scanstate->prefetch_iterator = NULL; scanstate->prefetch_pages = 0; scanstate->prefetch_target = 0; |