Question

1

In Postgresql you can create additional Aggregate Functions with

CREATE AGGREGATE name(...);

But this gives an error if the aggregate already exists inside the database, so how can I check if a Aggregate already exists in the Postgres Database?

edited Nov 21 '08 at 12:11

asked Nov 21 '08 at 11:32

mrohland
23●4

Kent Fredric · Accepted Answer · 2008-11-21 11:35:52Z

SELECT * FROM pg_proc WHERE proname = 'name' AND proisagg;

Howto check for existing aggregate functions in Postgres?

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