Greg Stark <st...@mit.edu> writes: > Regarding yytransition I think the problem is we're using flex to > implement keyword recognition which is usually not what it's used for. > Usually people use flex to handle syntax things like quoting and > numeric formats. All identifiers are handled by flex as equivalent. > Then the last step in the scanner for identifiers is to look up the > identifier in a hash table and return the keyword token if it's a > keyword. That would massively simplify the scanner tables.
Uh ... no. I haven't looked into why the flex tables are so large, but this theory is just wrong. See ScanKeywordLookup(). regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers