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| author | Bruce Momjian <bruce@momjian.us> | 2005-12-22 23:05:32 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2005-12-22 23:05:32 +0000 |
| commit | 2f1a78e200259c5ac4cb3b05fce0157e15a09464 (patch) | |
| tree | dc48924849fd7327d9607c9fa8b99a0feca12118 | |
| parent | 656beff59033ccc5261a615802e1a85da68e8fad (diff) | |
| download | postgresql-2f1a78e200259c5ac4cb3b05fce0157e15a09464.tar.gz postgresql-2f1a78e200259c5ac4cb3b05fce0157e15a09464.zip | |
Update item:
>
> A more complex solution would be to save multiple plans for different
> cardinality and use the appropriate plan based on the EXECUTE values.
>
| -rw-r--r-- | doc/TODO | 6 | ||||
| -rw-r--r-- | doc/src/FAQ/TODO.html | 5 |
2 files changed, 9 insertions, 2 deletions
@@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Sat Dec 17 14:03:20 EST 2005 +Last updated: Thu Dec 22 18:05:31 EST 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -718,6 +718,10 @@ Dependency Checking * Flush cached query plans when the dependent objects change, when the cardinality of parameters changes dramatically, or when new ANALYZE statistics are available + + A more complex solution would be to save multiple plans for different + cardinality and use the appropriate plan based on the EXECUTE values. + * Track dependencies in function bodies and recompile/invalidate This is particularly important for references to temporary tables diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 32add687d56..8c358ea8015 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@ <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 14:03:20 EST 2005 +Last updated: Thu Dec 22 18:05:31 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>. @@ -655,6 +655,9 @@ first. <li>Flush cached query plans when the dependent objects change, when the cardinality of parameters changes dramatically, or when new ANALYZE statistics are available +<p> A more complex solution would be to save multiple plans for different + cardinality and use the appropriate plan based on the EXECUTE values. +</p> </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 |