Your English is fine. @< is an "array is contained by" operator:
I assume that field1 is an array, as opposed to just a simple value variable. A simple value variable would be tested with something like: field1 IN ( subquery) . The @< tests that every value in the array field1 is also in the subquery. The subquery might contain other values, but it will contain _all_ values in field1.
On Thu, Sep 17, 2015 at 8:10 AM, Антон Бушмелев <bushmelev.aa@xxxxxxxxx> wrote:
Hello, google nothing for @ operator =(, what does this mean field1 <@ ( subquery ) ?ps: sorry for my english
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Maranatha! <><
John McKown
10 to the 12th power microphones = 1 Megaphone
Maranatha! <><
John McKown