Variables.
От | Aasmund Midttun Godal |
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Тема | Variables. |
Дата | |
Msg-id | 20011017010054.28016.qmail@ns.krot.org обсуждение исходный текст |
Ответы |
Re: Variables.
|
Список | pgsql-sql |
I would really like a feature :) I do not know whether it is part of the SQL standard. Variables... e.g. CREATE VARIABLE foobar INTEGER DEFAULT 1 NOT NULL; SELECT * FROM thebar WHERE id = foobar; CREATE TEMPORARY VARIABLE... CREATE CONSTANT.... Basically all the functionality from the table columns (CHECK and REFERENCES...) and it must take any type, so that you canuse user-created types as well. SET foobar 3; it could adopt properties from both runtime info and sequences... My abilities in C, as in many other things is severely limited so I am asking someone else to do the dirtywork :). And Ido appreciate that this may take some time. It would be nice to have some sort of GRANT revoke SCHEME on it too... I do acknowledge that this can be achieved with temporary and non temporary tables, but it can get ugly with these. While I am at it I would highly suggest that there is some sort of SESSION_ID environment variable. Some of the uses: * Store things like personal preferences * Parameters from a webserver * Client application name * etc. Aasmund Midttun Godal aasmund@godal.com - http://www.godal.com/ +47 40 45 20 46
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