SQLITE_SO_UNK    2368 ext/sqlite/libsqlite/src/parse.c {yygotominor.yy372 = SQLITE_SO_UNK;}
SQLITE_SO_UNK     455 ext/sqlite/libsqlite/src/parse.y collate(C) ::= .                {C = SQLITE_SO_UNK;}
SQLITE_SO_UNK     235 ext/sqlite/libsqlite/src/where.c     if( (pOrderBy->a[i].sortOrder & SQLITE_SO_TYPEMASK)!=SQLITE_SO_UNK ){