From: pgsql-general-owner@xxxxxxxxxxxxxx [mailto:pgsql-general-owner@xxxxxxxxxxxxxx]
On Behalf Of ????? ???????? Hello, google nothing for @ operator =(, what does this mean field1 <@ ( subquery ) ? ps: sorry for my
English Could be
absolute-value
operator for numeric data types, or array (or range) inclusion operator. See PG docs (and these docs should be your first option, before googling): http://www.postgresql.org/docs/9.4/static/typeconv-oper.html Regards, Igor Neyman |