From: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
---|---|
To: | Mike Blackwell <mike(dot)blackwell(at)rrd(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Syntax problem with INDEX on expression |
Date: | 2013-04-05 21:18:30 |
Message-ID: | 1365196710.77872.YahooMailNeo@web162902.mail.bf1.yahoo.com |
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Lists: | pgsql-general |
Mike Blackwell <mike(dot)blackwell(at)rrd(dot)com> wrote:
> sp_dev=# create index test_idx on test ((xpath('//rms:xsid/text()',udh,array[array['rms','http://www.example.com']]))[1]::text);
> ERROR: syntax error at or near "["
> LINE 1: ...udh,array[array['rms','http://www.example.com']]))[1]::text)...
> ^
> It looks like it doesn't like the array subscript. What might I be missing?
You're missing a set of parentheses around the entire expression.
create index test_idx on test (((xpath('//rms:xsid/text()',udh,array[array['rms','http://www.example.com']]))[1]::text));
--
Kevin Grittner
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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