> Zakkr <zakkr@zf.jcu.cz> writes:
> > abil=> select '{"aaa"}'::_text union select '{"bbb"}'::_text;
> > ERROR: Unable to identify an ordering operator '<' for type '_text'
> > Use an explicit ordering operator or modify the query
>
> Depending on what you're trying to do, UNION ALL might be an adequate
> workaround. UNION is defined to remove duplicates, so it has to sort
> the results of the union'ed queries, which requires an ordering
> operator. UNION ALL just appends the two query results together...
>
> In the long run we probably ought to think about providing ordering
> operators for array types.
>
Added to TODO:
* Allow arrays to be ORDER'ed
-- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610)
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