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cbefdaad9eb8f8f9b10de9c36e317b7232fbfdef
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3 Commits

Author SHA1 Message Date
drh
ceea33217b Rework the column-cache mechanism to be more robust (and more correct). 
The column-alias cache is currently disabled, (CVS 6538)

FossilOrigin-Name: dd4d67a67454a3ff13c286a2a8360c5f0432c91d
 2009-04-23 13:22:42 +00:00
drh
31daa63f3e Disable the result-set alias cache when on conditional code branches. 
Ticket #3461.  The column cache and result set alias cache mechanisms are
prone to this kind of error and need to be refactored.  This check-in should
be considered a temporary fix in advance of a more general redesign of the
whole mechanism. (CVS 5841)

FossilOrigin-Name: 1fa3bbd8220ce073e91935ea362b6f5d5d6d2859
 2008-10-25 15:03:20 +00:00
drh
8b213899e8 Avoid reevaluating WHERE and ORDER BY expressions that alias terms in the 
result set.  Ticket #3343.  Note that aliased GROUP BY expressions are still
evaluated twice. (CVS 5637)

FossilOrigin-Name: ab0292caa5887cc1bdc0e8c9d3f3502b83975440
 2008-08-29 02:14:02 +00:00