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| author | Tom Lane | 2005-11-18 23:08:00 +0000 |
|---|---|---|
| committer | Tom Lane | 2005-11-18 23:08:00 +0000 |
| commit | 8685c472235b7a5bcc786f66ba9adde44e3d670c (patch) | |
| tree | 83d8ef43a21d919000cf20f161907dff2cb4a144 /src/backend/utils/adt/array_userfuncs.c | |
| parent | b410475672eaf06ba91a03c50c571bd52fd81a32 (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/backend/utils/adt/array_userfuncs.c')
0 files changed, 0 insertions, 0 deletions