SQL 执行失败：运算符不存在：bigint >= timestamp without time zone

Question

CREATE TABLE employee (
        id INT PRIMARY KEY,
        username TEXT NOT NULL,
        email TEXT NULL,
        created_on TIMESTAMP NOT NULL,
    
    );
    
    SELECT username, email FROM employee where created_on between '2012-01-20' and '2012-04-24'

Answer 1

这实际上似乎有效： http ://sqlfiddle.com/#!17/ef8e85/1

请注意，尽管CREATE TABLE中有语法错误，但您需要删除最后一个逗号。