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Fill out an initial implementation of the sqlite3ExprImpliesExpr() function.

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FossilOrigin-Name: 8e07aa2ad5579aeb82174ce5bd432ddb9c058bc1
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drh
2013-08-01 13:04:46 +00:00
parent cf0fd4a5fd
commit 619a1305e7
7 changed files with 59 additions and 33 deletions
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4
src/resolve.c
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@@ -825,7 +825,7 @@ static int resolveOrderByTermToExprList(
** result-set entry.
*/
for(i=0; i<pEList->nExpr; i++){
if( sqlite3ExprCompare(pEList->a[i].pExpr, pE)<2 ){
if( sqlite3ExprCompare(pEList->a[i].pExpr, pE, -1)<2 ){
return i+1;
}
}
@@ -1053,7 +1053,7 @@ static int resolveOrderGroupBy(
return 1;
}
for(j=0; j<pSelect->pEList->nExpr; j++){
if( sqlite3ExprCompare(pE, pSelect->pEList->a[j].pExpr)==0 ){
if( sqlite3ExprCompare(pE, pSelect->pEList->a[j].pExpr, -1)==0 ){
pItem->iOrderByCol = j+1;
}
}