fix 修复 postgresql 时间查询类型转换报错问题

script/sql/update/postgres/update-4.2-4.3.sql

@@ -7,3 +7,10 @@ update sys_config set config_key = 'sys.account.captchaEnabled' where config_id
 insert into sys_menu values('1050', '账户解锁', '501', '4', '#', '', '', '1', '0', 'F', '0', '0', 'monitor:logininfor:unlock',  '#', 'admin', now(), '', null, '');
 
 insert into sys_role_menu values ('2', '1050');
+
+-- 字符串自动转时间 避免框架时间查询报错问题
+create or replace function cast_varchar_to_timestamp(varchar) returns timestamptz as $$
+select to_timestamp($1, 'yyyy-mm-dd hh24:mi:ss');
+$$ language sql strict ;
+
+create cast (varchar as timestamptz) with function cast_varchar_to_timestamp as IMPLICIT;