328   int nIncr,            /* Increment constraint counter by this */  in fkLookupParent()  argument
349   if( nIncr<0 ){  in fkLookupParent()
379       if( pTab==pFKey->pFrom && nIncr==1 ){  in fkLookupParent()
412       if( pTab==pFKey->pFrom && nIncr==1 ){  in fkLookupParent()
448     assert( nIncr==1 );  in fkLookupParent()
452     if( nIncr>0 && pFKey->isDeferred==0 ){  in fkLookupParent()
455     sqlite3VdbeAddOp2(v, OP_FkCounter, pFKey->isDeferred, nIncr);  in fkLookupParent()
555   int nIncr                       /* Amount to increment deferred counter by */  in fkScanChildren()  argument
570   if( nIncr<0 ){  in fkScanChildren()
614   if( pTab==pFKey->pFrom && nIncr>0 ){  in fkScanChildren()
649     sqlite3VdbeAddOp2(v, OP_FkCounter, pFKey->isDeferred, nIncr);  in fkScanChildren()