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Do not assume that "x IS NOT ?" implies "x NOT NULL" when considering partial indexes. Fix for ticket [8025674847].

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FossilOrigin-Name: 0ba6d709b50d92db1542f2ff30535a80184b00dadf759d51e5cae7a6e37b1764
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dan
2019-05-11 13:04:33 +00:00
parent 90255b8149
commit 8f2b1e4c90
4 changed files with 20 additions and 8 deletions
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src/expr.c
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@@ -4946,6 +4946,7 @@ int sqlite3ExprImpliesExpr(Parse *pParse, Expr *pE1, Expr *pE2, int iTab){
if( pE2->op==TK_NOTNULL
&& pE1->op!=TK_ISNULL
&& pE1->op!=TK_IS
&& pE1->op!=TK_ISNOT
&& pE1->op!=TK_OR
){
Expr *pX = sqlite3ExprSkipCollate(pE1->pLeft);