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(parent: b873f4e) | patch
Bug fix in the LEFT JOIN strength reduction optimization of
authordrh <drh@noemail.net>
Sat, 24 Mar 2018 13:24:02 +0000 (13:24 +0000)
committerdrh <drh@noemail.net>
Sat, 24 Mar 2018 13:24:02 +0000 (13:24 +0000)
commit2c492061ceef5a52cc21fd9cfd206dd36b43bfa2
tree57a93b17c4666e948529207cfc89dbb177510803tree
parentb873f4e404e9205209b279827ad49eac11dfadbbcommit | diff
Bug fix in the LEFT JOIN strength reduction optimization of
check-in [dd568c27b1d76563].  The sqlite3ExprImpliesNotNull() routine was
mistakenly assuming that a CASE expression must always be NULL if contained
any reference to a variable that was NULL.

FossilOrigin-Name: cf171abe954a5f25262161dd69f2e8cecdbf9446c3f6b298201507dbc743567e
manifest diff | blob | blame | history
manifest.uuid diff | blob | blame | history
src/expr.c diff | blob | blame | history
test/join.test diff | blob | blame | history
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