SQL_DELETE_SEGDIR_BY_LEVEL 121880 third_party/sqlite/amalgamation/sqlite3.c     rc = fts3SqlStmt(p, SQL_DELETE_SEGDIR_BY_LEVEL, &pDelete, 0);
SQL_DELETE_SEGDIR_BY_LEVEL 1974 third_party/sqlite/src/ext/fts3/fts3_write.c     rc = fts3SqlStmt(p, SQL_DELETE_SEGDIR_BY_LEVEL, &pDelete, 0);