> - I can't remember the specific language but they had the collation rule > that "CH" was treated as a distinct entity between C and D. This gave the > order C < CG < CI < CZ < CH < D. Then they removed CH as special which gave > C < CG < CH < CI < CZ < D. Suppose there was the constraint CHECK (COL > BETWEEN 'C' AND 'CH'). Originally it would allow (almost) all strings that > started with C. After the change it the constraint would block everything > that started with CI - CZ leaving many rows that no longer qualify in the > database.
(This was probably Spanish.) -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
