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help / color / mirror / Atom feedFrom: Andrew Gierth <andrew@tao11.riddles.org.uk>
To: Karen Goh <karenworld@yahoo.com>
Cc: pgsql-sql@lists.postgresql.org
Subject: Re: how to resolve org.postgresql.util.PSQLException: ERROR: operator does not exist: text = integer?
Date: Tue, 16 Jul 2019 16:21:31 +0100
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>>>>> "Karen" == Karen Goh <karenworld@yahoo.com> writes:
>> What exactly is in your Program Files?
Karen> PostgreSQL which has folder named 10 and then open up you will
Karen> get to see bin folder, data folder, script folder ....
OK, and did you try doing "SHOW log_destination;" as a query, for
example in the pgadmin4 query window? also "SHOW logging_collector;"
and "SHOW data_directory;"
>> If you want to pass an array value as a parameter, you can't use IN
>> (x), you have to use = ANY (x) instead.
Karen> Is Any (x) this format applies only to Postgresql ?
scalar = ANY (arrayvalue) is a postgresql extension, yes.
The SQL spec says that the syntax
(col IN (1,2,3))
is equivalent to
(col = ANY (VALUES (1),(2),(3)))
but this doesn't allow you to pass a single array parameter for the IN
list either in PostgreSQL or in standard SQL. In both PostgreSQL and
standard SQL you can do:
(col = ANY (select v from unnest(arrayvalue) as u(v)))
but this isn't the recommended style for PostgreSQL because it is less
efficient.
--
Andrew (irc:RhodiumToad)
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To: pgsql-sql@postgresql.org
Cc: andrew@tao11.riddles.org.uk, karenworld@yahoo.com, pgsql-sql@lists.postgresql.org
Subject: Re: how to resolve org.postgresql.util.PSQLException: ERROR: operator does not exist: text = integer?
In-Reply-To: <87sgr6ypvp.fsf@news-spur.riddles.org.uk>
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