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Update the sqlite3ExprCompare() routine so that it does not think "? IS NOT TRUE" is the same as "? IS TRUE". Fix for [d3e7f2ba5b3].

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FossilOrigin-Name: 99eba69b3a64741c69d167bf7a05dbe138c9e7faecc54a1b8d8220cb23902830
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dan
2019-05-20 10:36:15 +00:00
parent 7ac0e562a3
commit 8ac02a94ab
6 changed files with 78 additions and 10 deletions
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src/expr.c
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@@ -4862,6 +4862,7 @@ int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTab){
&& (combinedFlags & EP_Reduced)==0
){
if( pA->iColumn!=pB->iColumn ) return 2;
if( pA->op2!=pB->op2 ) return 2;
if( pA->iTable!=pB->iTable
&& (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2;
}