From: | "Sterpu Victor" <victor(at)caido(dot)ro> |
---|---|
To: | pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Query to retrieve the index columns when a function is used. |
Date: | 2020-03-09 13:15:49 |
Message-ID: | em08be29fe-acfd-417d-99c5-1e98146b2922@victor-pc |
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Thread: | |
Lists: | pgsql-general |
Hello
I'm testing on Postgresql 12.1 and I have a index like this:
"check_dates_gist" EXCLUDE USING gist (id_test1 WITH =, id_test2 WITH =,
tsrange(valid_from::timestamp without time zone, valid_to::timestamp
without time zone) WITH &&)
When I run this query:
"select pc.relname, pi.indisunique, pi.indisprimary,
array_agg(a.attname) as attname
FROM pg_class pc
JOIN pg_index pi ON pc.oid = pi.indexrelid AND pc.oid IN
(SELECT indexrelid FROM pg_index, pg_class WHERE pg_class.relname='test'
AND pg_class.oid=pg_index.indrelid)
JOIN pg_attribute a ON a.attrelid = pc.oid
GROUP BY pc.relname,pi.indisunique, pi.indisprimary;"
I retrieve the index but there is no detail about the columns valid_from
and valid_to.
How can I retrieve this detail?
Thank you.
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