在plpgsql中初始化多维数组

Question

谁能告诉我如何在plpgsql中初始化多维数组？谢谢.

Answer 1

CREATE OR REPLACE FUNCTION foo() 
RETURNS text[]
LANGUAGE plpgsql
AS
$$
DECLARE
    var text[][];
BEGIN
    var := array[['1', 'a'],['2', 'b']];
    RETURN var;
END;
$$;

测试:

SELECT foo();