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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-07-24 01:19:48 +0000 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-07-24 01:19:48 +0000 |
| commit | 8dcaea7be0a548df063832a6dddb2aee55440658 (patch) | |
| tree | 98d0eb74298096fcae05ac5394f62888833c305f /src/backend/parser/parse_expr.c | |
| parent | a794fb06814cd9bf6199032bc31d19677d1720c6 (diff) | |
| download | postgresql-8dcaea7be0a548df063832a6dddb2aee55440658.tar.gz postgresql-8dcaea7be0a548df063832a6dddb2aee55440658.zip | |
Add a fudge factor to genericcostestimate() to prevent the planner from
thinking that indexes of different sizes are equally attractive. Per
gripe from Jim Nasby. (I remain unconvinced that there's such a problem
in existing releases, but CVS HEAD definitely has got a problem because
of its new count-only-leaf-pages approach to indexscan costing.)
Diffstat (limited to 'src/backend/parser/parse_expr.c')
0 files changed, 0 insertions, 0 deletions