diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/wherecode.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/wherecode.c b/src/wherecode.c index 4afe0ac9c..17dc36152 100644 --- a/src/wherecode.c +++ b/src/wherecode.c @@ -1743,6 +1743,12 @@ Bitmask sqlite3WhereCodeOneLoopStart( SWAP(u8, nBtm, nTop); } + if( iLevel>0 && (pLoop->wsFlags & WHERE_IN_SEEKSCAN)!=0 ){ + /* In case OP_SeekScan is used, ensure that the index cursor does not + ** point to a valid row for the first iteration of this loop. */ + sqlite3VdbeAddOp1(v, OP_NullRow, iIdxCur); + } + /* Generate code to evaluate all constraint terms using == or IN ** and store the values of those terms in an array of registers ** starting at regBase. |