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< * Flush cached query plans when the dependent objects change or
<   when the cardinality of parameters changes dramatically
> * Flush cached query plans when the dependent objects change,
>   when the cardinality of parameters changes dramatically, or
>   when new ANALYZE statistics are available
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Bruce Momjian
2005-12-17 18:07:01 +00:00
parent 16843ba33c
commit 3282b6338b
2 changed files with 8 additions and 6 deletions
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doc/src/FAQ/TODO.html
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<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1>
<p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
Last updated: Sat Dec 17 12:03:45 EST 2005
Last updated: Sat Dec 17 13:06:57 EST 2005
</p>
<p>The most recent version of this document can be viewed at<br/>
<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
@ -652,8 +652,9 @@ first.
<h1><a name="section_11">Dependency Checking</a></h1>
<ul>
<li>Flush cached query plans when the dependent objects change or
when the cardinality of parameters changes dramatically
<li>Flush cached query plans when the dependent objects change,
when the cardinality of parameters changes dramatically, or
when new ANALYZE statistics are available
</li><li>Track dependencies in function bodies and recompile/invalidate
<p> This is particularly important for references to temporary tables
in PL/PgSQL because PL/PgSQL caches query plans. The only workaround