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Make sure that the optimizer realizes that an "x IS NULL" contraint does not
authordrh <drh@noemail.net>
Fri, 24 Apr 2009 14:51:42 +0000 (14:51 +0000)
committerdrh <drh@noemail.net>
Fri, 24 Apr 2009 14:51:42 +0000 (14:51 +0000)
commit46619d67873a20d83e298246d428ef695b91720c
treec61df834d293a8a7a6e9a6689922e7fedbba9a47tree | snapshot
parent4598b8e4a102f2d38e90483758681a1f3379878acommit | diff
Make sure that the optimizer realizes that an "x IS NULL" contraint does not
necessarily give a single-row result even on a UNIQUE index.  Ticket #3824. (CVS 6545)

FossilOrigin-Name: 207335fdbf992a2f5bc5982b3163a38016ba1b21
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src/where.c diff | blob | blame | history
test/tkt3824.test [new file with mode: 0644] blob
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