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New opcode OP_ChngCntRow used to output the result of PRAGMA change_count.

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Only this new opcode, and not OP_ResultRow, checks for foreign key errors.
Faster performance, and now also works with RETURNING.

FossilOrigin-Name: 154fc2b15465c7c92a1af0a93851421aec42a81bab54840a9701f2c78068e14e
This commit is contained in:
drh
2021-01-31 15:50:36 +00:00
parent 662fe79647
commit 18e5607211
6 changed files with 33 additions and 22 deletions
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2
src/delete.c
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@@ -609,7 +609,7 @@ void sqlite3DeleteFrom(
** invoke the callback function.
*/
if( memCnt ){
sqlite3VdbeAddOp2(v, OP_ResultRow, memCnt, 1);
sqlite3VdbeAddOp2(v, OP_ChngCntRow, memCnt, 1);
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "rows deleted", SQLITE_STATIC);
}