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* %Make row-wise comparisons work per SQL spec

  Right now, '(a, b) < (1, 2)' is processed as 'a < 1 and b < 2', but
  the SQL standard requires it to be processed as a column-by-column
  comparison, so the proper comparison is '(a < 1) OR (a = 1 AND b < 2)'.
This commit is contained in:
Bruce Momjian 2005-12-26 05:14:52 +00:00
parent 97e1535fba
commit 5c9a46f605
2 changed files with 11 additions and 2 deletions
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7
doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Thu Dec 22 18:05:31 EST 2005
Last updated: Mon Dec 26 00:14:46 EST 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -391,6 +391,11 @@ SQL Commands
* %Add COMMENT ON for all cluster global objects (roles, databases
and tablespaces)
* %Make row-wise comparisons work per SQL spec
Right now, '(a, b) < (1, 2)' is processed as 'a < 1 and b < 2', but
the SQL standard requires it to be processed as a column-by-column
comparison, so the proper comparison is '(a < 1) OR (a = 1 AND b < 2)'.
* Add RESET CONNECTION command to reset all session state
This would include resetting of all variables (RESET ALL), dropping of

6
doc/src/FAQ/TODO.html
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@ -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: Thu Dec 22 18:05:31 EST 2005
Last updated: Mon Dec 26 00:14:46 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>.
@ -359,6 +359,10 @@ first.
</li><li>%Add COMMENT ON for all cluster global objects (roles, databases
and tablespaces)
</li><li>%Make row-wise comparisons work per SQL spec
<p> Right now, '(a, b) &lt; (1, 2)' is processed as 'a &lt; 1 and b &lt; 2', but
the SQL standard requires it to be processed as a column-by-column
comparison, so the proper comparison is '(a &lt; 1) OR (a = 1 AND b &lt; 2)'.
</p>
</li><li>Add RESET CONNECTION command to reset all session state
<p> This would include resetting of all variables (RESET ALL), dropping of
temporary tables, removing any NOTIFYs, cursors, open transactions,