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authordrh <drh@noemail.net>2011-04-08 21:35:26 +0000
committerdrh <drh@noemail.net>2011-04-08 21:35:26 +0000
commitea6dc4458b335a4fafd7d736c3e23f2e2e765ef8 (patch)
tree60e76cadc47ad8fd8219ea0167919691c6612fc9 /src/backup.c
parent1c152101cae48fa2d5f9cc979d1642a7ddde78e8 (diff)
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Always make sure the left-hand side of the IS NOT NULL operator is a
smiple column, not a general expression, before applying the IS NOT NULL query optimization. FossilOrigin-Name: 543f75a6abe3aa4f49df43e71a462702d40b3251
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