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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-01-13 00:29:26 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-01-13 00:29:26 +0000 |
| commit | 8ac6d952cfa98f024a788bd0699dc1c0cd448af0 (patch) | |
| tree | d4dae28030ca6bf7ee67f612d41be1bbb421d3b0 /src/tutorial | |
| parent | d1686b42ab58ce29777557f52b941fa9b927b2a6 (diff) | |
| download | postgresql-8ac6d952cfa98f024a788bd0699dc1c0cd448af0.tar.gz postgresql-8ac6d952cfa98f024a788bd0699dc1c0cd448af0.zip | |
Cause planner to account for evaluation costs in targetlists and
HAVING quals. Normally this is an insignificant effect --- but it
will not be insignificant when these clauses contain sub-selects.
The added costs cannot affect the planning of the query containing
them, but they might have an impact when the query is a sub-query
of a larger one.
Diffstat (limited to 'src/tutorial')
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