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Retain the affinity of an expression in a WHERE clause when it is transformed to a reference to an index column on the same expression. Fix for [f043b113].

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FossilOrigin-Name: 511da0815673ca4a176aa61dc23a8231b2ab77e8363fc184a78b6e17dba64d49
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dan
2019-08-20 11:43:44 +00:00
parent 3722b3abf1
commit b6ce71bd26
4 changed files with 37 additions and 9 deletions
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src/wherecode.c
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@@ -1117,6 +1117,7 @@ typedef struct IdxExprTrans {
static int whereIndexExprTransNode(Walker *p, Expr *pExpr){
IdxExprTrans *pX = p->u.pIdxTrans;
if( sqlite3ExprCompare(0, pExpr, pX->pIdxExpr, pX->iTabCur)==0 ){
pExpr->affExpr = sqlite3ExprAffinity(pExpr);
pExpr->op = TK_COLUMN;
pExpr->iTable = pX->iIdxCur;
pExpr->iColumn = pX->iIdxCol;