Re: DatabaseMetaData.get(Imi|Ex)portedKeys() and FK_NAME column
От | Barry Lind |
---|---|
Тема | Re: DatabaseMetaData.get(Imi|Ex)portedKeys() and FK_NAME column |
Дата | |
Msg-id | 3F4D093D.20907@xythos.com обсуждение исходный текст |
Ответ на | DatabaseMetaData.get(Imi|Ex)portedKeys() and FK_NAME column (Tomisław Kityński <t.kitynski@11interactive.com>) |
Список | pgsql-jdbc |
I beleive this is fixed in the latest development version. Can you download the 7.4 driver from jdbc.postgresql.org to verify that the latest version of the driver fixes this problem. thanks, --Barry Tomisław Kityński wrote: > Hello, > > when I call getExportedKeys() or getImportedKeys() on DatabaseMetaData > object returned by getMetaData() called on Connection object, I receive > ResultSet with standard (defined in JDBC) columns. One of it is FK_NAME > and it gives the name of FOREIGN KEY CONSTRAINT. So if I define some > foreign key eg. like this: > > <sql> > ... > CONSTRAINT "worker.role.fk" > FOREIGN KEY ("id_worker") > REFERENCES "persons" ("id_person") > ON DELETE CASCADE > ON UPDATE CASCADE > ... > </sql> > > I expect to get "worker.role.fk" in FK_NAME column. At least I get > what I suppose I shall get when it concerns PRIMARY KEY (PK_NAME). > But in case of FK_NAME I get something like this: > > worker.role.fk\000stands\000persons\000UNSPECIFIED\000id_worker\000id_person\000 > > (this is one, long string). Is this correct? I mean shall all these > \000 escape codes and other identifiers appear in FK_NAME? I thought > that only the part from begining to the first occurence of '\', excluding it, should be returned. Am I right, ergo therewe have some > bug or this string is properly composed and I need do substring() on > it to get the FK_NAME? > > I use PSQL 7.3.4 on cygwin, j2sdk1.4.2 and recent pg73jdbc3.jar (build > #113). > > TIA. > > PS. > I have forgotten the email address under which I have subscribed to > this list. I was hoping to get users list from majordomo, but it > doesn't give out that kind of information. How may I find out under > what address I am subscribed and/or how to change that old address > to the new one? If this needs manual work of the masters of the list, > I can provide possible addresses I probably used while subscribing. > > Best regards, >
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