BnW — komar: => SELECT NULL UNION ALL SELECT 1; (2…

=> SELECT NULL UNION ALL SELECT 1; (2 rows) => SELECT NULL UNION ALL SELECT NULL UNION ALL SELECT 1; ERROR: UNION types text and integer cannot be matched => SELECT pg_typeof(t.t) FROM (SELECT NULL AS t UNION ALL SELECT NULL AS t) t; text text нул юнион нул у него текст вывод типов уровня постгреса

#GQPAQM / @komar / 4025 дней назад

http://www.postgresql.org/docs/9.4/static/typeconv-union-case.html If all inputs are of type unknown, resolve as type text (the preferred type of the string category). Otherwise, unknown inputs are ignored.

#GQPAQM/78H / @pxqr / 4025 дней назад

BnW для ведрофона BnW на Реформале Викивач Котятки