Re: View - Join based on dis-similar data types
От | Richard Huxton |
---|---|
Тема | Re: View - Join based on dis-similar data types |
Дата | |
Msg-id | 200303141052.02132.dev@archonet.com обсуждение исходный текст |
Ответ на | Re: View - Join based on dis-similar data types ("speakeasy" <nospam_artd@speakeasy.net>) |
Список | pgsql-sql |
On Thursday 13 Mar 2003 1:48 pm, speakeasy wrote: > Not sure if this ever made it to the group, I can't seem to find it in the > recent message lists. > > "speakeasy" <nospam_artd@speakeasy.net> wrote in message news:... > > > I have a field defined as a character(50) data type, and the same field > > stored in a transition table as a text type. > > > > The view itself work based on the join, however sub-queries against the > view > > on that field do not return any data. > > > > Example: > > > > Table1 > > T1Data - Character(50) > > Table2 > > T2Data - Text > > View1: > > --- > > SELECT T1Data from Table1 JOIN Table2 ON (Table1.T1Data = Table2.T2Data); > > > > > > A select against View1 > > SELECT * FROM View1 returns all relevant records, however, adding a WHERE > > clause produces no output. Can you please provide a real example, otherwise we're just guessing. Are you sure you've not forgotten about the spaces padding your char(50) field? -- Richard Huxton
В списке pgsql-sql по дате отправления: