From: | Lars Gustafsson <gumse(at)me(dot)com> |
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To: | "pgsql-novice(at)lists(dot)postgresql(dot)org" <pgsql-novice(at)lists(dot)postgresql(dot)org> |
Subject: | Legacy app not working with newer PG, is there a quick fix? |
Date: | 2019-02-08 15:27:28 |
Message-ID: | C00A8F2B-0D91-41C8-970A-B23F4082ACE5@me.com |
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Lists: | pgsql-novice |
I have a legacy client java application that I try to run against a new Postgres server.
All data migrates as expected. Everything seems to work ok, except for one thing.
ERROR: function to_date(timestamp without time zone, unknown) does not exist at character 9
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
The application was written with and works with PG 8.2.3
I understand that from PG 8.3 explicit typecasting is necessary, like:
to_date(cast(createddate as TEXT),'YYYY-MM-DD’)
But I do not have access to the source code. Is there a way to go around this, by creating a macro & function to provide the type cast on the server side.
Without having to change anything in the client application?
/Lars
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