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3 Commits

Author SHA1 Message Date
drh
6284db908a Fix query planner weights associated with choosing block-sorting. Fix 
block sorting of tables with collating functions.  Fix various test cases.
All "veryquick" tests are now passing, though more tests need to be added.

FossilOrigin-Name: 01afbf97c0ff29667806e9a7c4d74ca717819de5
 2014-03-19 23:24:49 +00:00
drh
416846a362 Improved ORDER BY optimization for WITHOUT ROWID tables. 
FossilOrigin-Name: 8f1709ff2d52d5ceca3da6a2a4e06da204d9e65a
 2013-11-06 12:56:04 +00:00
drh
b8916be945 Add a new ORDER BY optimization that bypasses ORDER BY terms that are 
constrained by == and IS NULL terms of the WHERE clause.

FossilOrigin-Name: b920bb70bb009b7c54e7667544c9810c5ee25e19
 2013-06-14 02:51:48 +00:00