在PostgreSQL中,遇到错误消息 "postgresql function if(boolean, unknown, unknown) does not exist" 通常意味着你尝试使用一个不存在的 if 函数。实际上,PostgreSQL本身并不直接支持名为 if 的函数,这种语法更常见于其他编程语言如Java、C++等。在PostgreSQL中,你可以使用其他方法来实现类似的条件逻辑。 下面,我将根...
定义的函数: CREATE OR REPLACE FUNCTION len_chars(t_name VARCHAR, f_name VARCHAR) RETURNS BIGINT AS $$ END; $$ LANGUAGE plpgsql; 从psql调用它 SELECT len_chars('public.tag', 'name'); 对于表tag和列name,返回错误CONTEXT: PL/pgSQL function len_chars(character vary ...
ERROR: operator does not exist: character = integer 原因:PostgreSQL8.3以后,取消了默认类型转换。因此需要使比较的类型保持一致。可以看cast函数。 附错误code
1、我们都知道在SQL中有一类函数叫做聚合函数,例如sum()、avg()、max()等等,这类函数可以将多行数据...
Ephemeral env workflow postgresql error: function date_trunc(unknown, text) does not exist LINE 1 #43774 Sign in to view logs Summary Jobs config Evaluate ephemeral env comment trigger (/testenv) ephemeral-docker-build Spin up an ephemeral environment Run details Usage Workflow file ...
Error in query: function if(boolean, numeric, unknown) does not exist LINE 1: select t2.item_code, t2.item_name,SUM(IF(t1.transaction_date... ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts. Traceback (most recent call last)...
cause: org.postgresql.util.PSQLException: ERROR: function ifnull(numeric, numeric) does not exist 8.date_format 函数不存在 异常信息：Cause: org.postgresql.util.PSQLException: ERROR: function date_format(timestamp without time zone, unknown) does not exist PostgreSQL没有date_format函数，用to_char...
SQL AS $$ SELECT $1 + $2 + $3; $$; SELECT foo(10, 20, 30); foo --- 60 (1 row) SELECT foo(10, 20); foo --- 33 (1 row) SELECT foo(10); foo --- 15 (1 row) SELECT foo(); -- 因为第一个参数没有默认值,所以会失败 ERROR: function foo() does not exist 4、在传递...
SET check_function_bodies = false; SET client_min_messages = warning; SET search_path = public, pg_catalog; SET default_tablespace = ''; SET default_with_oids = false; -- -- Name: t_kenyon; Type: TABLE; Schema: public; Owner: postgres; Tablespace: ...
2BP01 依赖性对象仍然存在(DEPENDENT OBJECTS STILL EXIST) 2D 类:非法的事务终止 2D000 非法的事务终止(INVALID TRANSACTION TERMINATION) 2F 类:SQL过程异常 2F000 SQL过程异常(SQL ROUTINE EXCEPTION) 2F005 执行的函数没有返回语句(FUNCTION EXECUTED NO RETURN STATEMENT) 2F002 不允许修改SQL数据(MODIFYING SQL...