Bug fix in the LEFT JOIN strength reduction optimization of
commit50e381a4c2a5162bf3778134327fb10d4fbd4ee5
authorD. Richard Hipp <drh@hwaci.com>
Sat, 24 Mar 2018 13:24:02 +0000 (24 13:24 +0000)
committerD. Richard Hipp <drh@hwaci.com>
Sat, 24 Mar 2018 13:24:02 +0000 (24 13:24 +0000)
tree6b41216394db64bbe787fdb7ad758bd12014aac0
parentbd23dfd4a106f3982e08866d3da0b4189d6e2648
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.
src/expr.c
test/join.test