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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-18 23:08:28 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-18 23:08:28 +0000 |
| commit | acd3a4f3c5cce6697f0b152438b7a25288a6aff7 (patch) | |
| tree | 7c81e3d3d77c0f3b8a99c59276adec518b2fe536 /src/tutorial/funcs_new.c | |
| parent | f583cbc8a000f6c5ff5c2aa63e2f4e95ef119f9a (diff) | |
| download | postgresql-acd3a4f3c5cce6697f0b152438b7a25288a6aff7.tar.gz postgresql-acd3a4f3c5cce6697f0b152438b7a25288a6aff7.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/tutorial/funcs_new.c')
0 files changed, 0 insertions, 0 deletions