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Expression errors in generated columns should not generate non-negative

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sqlite3_error_offset() returns.  Second of two defenses against
[33aa4c0de8a62e33].

FossilOrigin-Name: 2adb4e0dda471ffc9b2a5cbad01b6c2bc6091b7526a8c8b19944cb2d4a5111e7
This commit is contained in:
drh
2023-03-20 00:53:56 +00:00
parent 0d53e8ed54
commit 715963f1ba
3 changed files with 9 additions and 7 deletions
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2
src/expr.c
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@@ -3841,6 +3841,7 @@ void sqlite3ExprCodeGeneratedColumn(
Vdbe *v = pParse->pVdbe;
assert( v!=0 );
assert( pParse->iSelfTab!=0 );
if( pParse->nErr ) return;
if( pParse->iSelfTab>0 ){
iAddr = sqlite3VdbeAddOp3(v, OP_IfNullRow, pParse->iSelfTab-1, 0, regOut);
}else{
@@ -3851,6 +3852,7 @@ void sqlite3ExprCodeGeneratedColumn(
sqlite3VdbeAddOp4(v, OP_Affinity, regOut, 1, 0, &pCol->affinity, 1);
}
if( iAddr ) sqlite3VdbeJumpHere(v, iAddr);
pParse->db->errByteOffset = -1;
}
#endif /* SQLITE_OMIT_GENERATED_COLUMNS */