diff options
Diffstat (limited to 'src/insert.c')
| -rw-r--r-- | src/insert.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/insert.c b/src/insert.c index e1b4344b7..d9d88cab6 100644 --- a/src/insert.c +++ b/src/insert.c @@ -2008,7 +2008,7 @@ static int xferOptimization( sqlite3TableLock(pParse, iDbSrc, pSrc->tnum, 0, pSrc->zName); } for(pDestIdx=pDest->pIndex; pDestIdx; pDestIdx=pDestIdx->pNext){ - u8 useSeekResult = 0; + u8 idxInsFlags = 0; for(pSrcIdx=pSrc->pIndex; ALWAYS(pSrcIdx); pSrcIdx=pSrcIdx->pNext){ if( xferCompatibleIndex(pDestIdx, pSrcIdx) ) break; } @@ -2043,12 +2043,15 @@ static int xferOptimization( if( sqlite3_stricmp("BINARY", zColl) ) break; } if( i==pSrcIdx->nColumn ){ - useSeekResult = OPFLAG_USESEEKRESULT; + idxInsFlags = OPFLAG_USESEEKRESULT; sqlite3VdbeAddOp3(v, OP_Last, iDest, 0, -1); } } + if( !HasRowid(pSrc) && pDestIdx->idxType==2 ){ + idxInsFlags |= OPFLAG_NCHANGE; + } sqlite3VdbeAddOp3(v, OP_IdxInsert, iDest, regData, 1); - sqlite3VdbeChangeP5(v, useSeekResult); + sqlite3VdbeChangeP5(v, idxInsFlags); sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1+1); VdbeCoverage(v); sqlite3VdbeJumpHere(v, addr1); sqlite3VdbeAddOp2(v, OP_Close, iSrc, 0); |