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8 Commits

Author SHA1 Message Date
drh 235b5d0ac5 If a subquery is materialized due to an ORDER BY and that ordering is useful 
in helping to satisfy the ORDER BY or GROUP BY in the order query without
doing an extra sort, then omit the extra sort.

FossilOrigin-Name: 2fbb4dc2327ee435cb2b7a4adcddf5a9cee6dff7de96e2ecb761166427b5ddea
 2024-08-15 23:38:52 +00:00
drh f43ffb30b0 When an automatic index creates a Bloom filter, show that in the 
EXPLAIN QUERY PLAN output.

FossilOrigin-Name: d7b2ac1c1a31fa4285cf6df0995db7e7705bb6a1bc94850c14c94cc4e3eb239a
 2023-02-28 13:46:01 +00:00
drh 54725efd80 Just because a CTE is used more than once, does not mean it should be 
tagged with M10d_Yes and thereby prohibited from participating in the
query flattening optimization.  See
[forum:/forumpost/1d571c02963355ed|forum thread 1d571c02963].

FossilOrigin-Name: 66f29c403d28630bfaea9124bd63ee4a047b1fe4a7e27dc5d10d67d1601b15e0
 2023-02-01 15:41:07 +00:00
drh a60d61bf14 Improved comments on the new co-routine logic. Fix a C++-ism in the code. 
Update test cases to accommodate the more aggressive use of co-routines.

FossilOrigin-Name: 9243e850ae656d16adc8f0e5c4dcf3dcf476312cee192c39c38685fc437ccbbd
 2022-12-08 16:47:16 +00:00
drh 67f70bea06 Honor the MATERIALIZED keyword on a common table expression by not flattening 
the CTE into an outer query.

FossilOrigin-Name: 8d631a6b9eb06b54b10eda595a4c588ca38f909b4afa653b24d1f720b55d72f7
 2022-04-22 16:15:48 +00:00
drh 2f2091b10e Use the canonical name, not the AS name, when showing the MATERIALIZE or 
CO-ROUTINE lines for a CTE.

FossilOrigin-Name: 1b83e232c490fe6e9f999d30399faebfac6094bf940dc21dc459ed2c97657cb2
 2021-03-20 15:46:01 +00:00
drh 8210233c7b Revise tests cases to align with the new EXPLAIN QUERY PLAN output. 
FossilOrigin-Name: 50fbd532602d2c316813046ed6be8be2991c281eb5f295c4c28520a0de73862c
 2021-03-20 15:11:29 +00:00
drh dee1cb3006 Add a few simple test cases for MATERIALIZED and NOT MATERIALIZED. 
FossilOrigin-Name: 64878124c160f790bc5861fd799ada03bd7db0c4426b8abc3b7ad1f7aa181168
 2021-02-22 19:57:58 +00:00