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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-18 23:08:43 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-18 23:08:43 +0000 |
| commit | e03c5e2d5a32bb01e4cb8eaee67d3b05819dc97b (patch) | |
| tree | dc4e17a9ab0ecb8debfbcf4e39643ef66e793077 /src/tutorial/basics.source | |
| parent | 48fabd257fef6f9798cef8b57bb300ab368b8055 (diff) | |
Fix performance issue in exprTypmod(): for a COALESCE expression, it
recursed twice on its first argument, leading to exponential time spent
on a deep nest of COALESCEs ... such as a deeply nested FULL JOIN would
produce. Per report from Matt Carter.
Diffstat (limited to 'src/tutorial/basics.source')
0 files changed, 0 insertions, 0 deletions