Commit Graph

7 Commits

Author SHA1 Message Date
dan
bfd6f1bcd5 Fix a use-after-free error that could occur when processing "SELECT aggregate(DISTINCT <expr>)..." queries.
FossilOrigin-Name: 0e4789860b81c31d3a6d1f9f8340042ce1d08a82bf6119c783fcab85180b1b63
2021-04-08 20:29:12 +00:00
dan
f330d53ff3 Fix a crash in handling queries of the form "SELECT aggregate(DISTINCT tbl.col) FROM ... LEFT JOIN tbl ...". Fixes a problem introduced by [ef4ac0ddd297bbd3].
FossilOrigin-Name: 0dcf808ddf23da834da724d88b1715ed06565f1f1290713ff42a3fcf6ffb802e
2021-04-03 19:23:59 +00:00
dan
9bfafa8917 Fix typos in comments and add test cases.
FossilOrigin-Name: 01312a3dbd92823af535dc618c68d95a2aa1cbee2501b0a9826eae3f09bec760
2021-03-13 17:21:24 +00:00
dan
5383db714e Attempt to use an index for DISTINCT aggregate queries that have GROUP BY clauses.
FossilOrigin-Name: 3bca003cd2b2cb38d4a4e2e5f673ee0ac05bfe31247ec09e7bd379b77a31b44c
2021-03-12 18:24:31 +00:00
drh
0daa002c7c Better error message when DISTINCT is used on an aggregate function that
takes two or more arguments.  Ticket #3641. (CVS 6269)

FossilOrigin-Name: e20bf384668bcde7c2f2152ca88e28cf65a02679
2009-02-09 13:19:28 +00:00
drh
9d4673a9ea Bug fix in the new COUNT(DISTINCT) logic. Ticket #1420. (CVS 2689)
FossilOrigin-Name: 37116550d33d8e3bdc15cd9998b9d2b97dec312b
2005-09-12 23:03:16 +00:00
drh
c99130fd82 COUNT(DISTINCT x) is now fully functional, though it could benefit from
additional testing. (CVS 2688)

FossilOrigin-Name: 2f397bd8142ec5e8f7238127012d14fdb558d918
2005-09-11 11:56:27 +00:00