lib/sqlite/sqlite3.c

85983   int isIgnore          /* If true, pretend pTab contains all NULL values */
86005   if( isIgnore==0 ){
86385     int isIgnore = 0;
86437         isIgnore = (rcauth==SQLITE_IGNORE);
86452       fkLookupParent(pParse, iDb, pTo, pIdx, pFKey, aiCol, regOld, -1,isIgnore);
86457       fkLookupParent(pParse, iDb, pTo, pIdx, pFKey, aiCol, regNew, +1,isIgnore);