am 29.11.2005, um 15:31:30 +0100 mailte Leif B. Kristensen folgendes: > CREATE TABLE citations ( > citation_id INTEGER PRIMARY KEY, > source_fk INTEGER REFERENCES sources (source_id) > ); > > CREATE TABLE relation_citations ( > relation_fk INTEGER REFERENCES relations (relation_id) > ) INHERITS (citations);
You are using inheritation in PostgreSQL. > > ALTER TABLE relation_citations > ADD CONSTRAINT source_relation_citation UNIQUE > (source_fk, relation_fk); > CREATE INDEX cit_relation_key ON relation_citations (relation_fk); > > And here is the accident: > > pgslekt=> insert into relation_citations values (64062,4578,20017); > INSERT 1478990 1 > pgslekt=> insert into relation_citations values (64062,4578,20018); > INSERT 1478991 1 Right, the uniq contraints are on (source_fk, relation_fk). No problem. > > I got an error when I transferred the data to my Web database running > MySQL: MySQL is a other RDBMS. You can't expect that all features from PostgreSQL are working with MySQL. > > ERROR 1062 at line 19839 in file: 'ss_relation_citations.sql': Duplicate > entry '64062' for key 1 My guess: MySQL can't handle inheritance. HTH, Andreas -- Andreas Kretschmer (Kontakt: siehe Header) Heynitz: 035242/47212, D1: 0160/7141639 GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net === Schollglas Unternehmensgruppe === ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
