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Add a new OP_SeekRowid opcode, that combines the functions of OP_MustBeInt

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and OP_NotExists.  This makes the code slightly smaller and faster.

FossilOrigin-Name: ffe80a1bfa014943a614fc6993c1749b9bfec4c1
This commit is contained in:
drh
2016-05-26 20:56:38 +00:00
parent ce3c5011d9
commit eeb9565a3e
6 changed files with 57 additions and 23 deletions
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3
src/expr.c
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@@ -2222,8 +2222,7 @@ static void sqlite3ExprCodeIN(
if( eType==IN_INDEX_ROWID ){
/* In this case, the RHS is the ROWID of table b-tree
*/
sqlite3VdbeAddOp2(v, OP_MustBeInt, r1, destIfFalse); VdbeCoverage(v);
sqlite3VdbeAddOp3(v, OP_NotExists, pExpr->iTable, destIfFalse, r1);
sqlite3VdbeAddOp3(v, OP_SeekRowid, pExpr->iTable, destIfFalse, r1);
VdbeCoverage(v);
}else{
/* In this case, the RHS is an index b-tree.