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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/insert.c
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@@ -1648,7 +1648,7 @@ static int xferCompatibleIndex(Index *pDest, Index *pSrc){
return 0; /* Different collating sequences */
}
}
if( sqlite3ExprCompare(pSrc->pPartIdxWhere, pDest->pPartIdxWhere) ){
if( sqlite3ExprCompare(pSrc->pPartIdxWhere, pDest->pPartIdxWhere, -1) ){
return 0; /* Different WHERE clauses */
}
@@ -1806,7 +1806,7 @@ static int xferOptimization(
}
}
#ifndef SQLITE_OMIT_CHECK
if( pDest->pCheck && sqlite3ExprListCompare(pSrc->pCheck, pDest->pCheck) ){
if( pDest->pCheck && sqlite3ExprListCompare(pSrc->pCheck,pDest->pCheck,-1) ){
return 0; /* Tables have different CHECK constraints. Ticket #2252 */
}
#endif