checkColumnOverlap 112929 ext/sqlite3/libsqlite/sqlite3.c     if( p->op==op && checkColumnOverlap(p->pColumns, pChanges) ){
checkColumnOverlap 113335 ext/sqlite3/libsqlite/sqlite3.c      && checkColumnOverlap(p->pColumns, pChanges)
checkColumnOverlap 113383 ext/sqlite3/libsqlite/sqlite3.c      && checkColumnOverlap(p->pColumns,pChanges)