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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-18 23:08:13 +0000 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-18 23:08:13 +0000 |
| commit | dccfa4d3f2f9716632ad946a1582bff3be9e70f0 (patch) | |
| tree | 7c2f97848d5cc0a2d1150c9014f76232a6ab6ec5 /src/backend/utils/adt/regexp.c | |
| parent | 1012a93264b1a5bc51b4bcd622c0149dc47e974b (diff) | |
| download | postgresql-dccfa4d3f2f9716632ad946a1582bff3be9e70f0.tar.gz postgresql-dccfa4d3f2f9716632ad946a1582bff3be9e70f0.zip | |
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/backend/utils/adt/regexp.c')
0 files changed, 0 insertions, 0 deletions