环境: postgresql-12,pentaho kettle为9.1版本 使用kettle将一个postgresql数据拷贝到另外一个postgresql时报“字段 "id" 的类型为 uuid,...但表达式的类型为 character varying”异常,源postgresql中id字段是uuid类型,但是经过kettle后却变成了string类型,处理这个问题相对pg
子类型:CHARACTER 等价的PL/SQL类型:CHAR 子类型:CHARACTER VARYING 等价的PL/SQL类型:VARCHAR2 子类型:NATIONAL CHAR 等价的PL/SQL类型:NCHAR 子类型:NATIONAL CHAR VARYING 等价的PL/SQL类型:NVARCHAR2 子类型:NATIONAL CHARACTER 等价的PL/SQL类型:NCHAR 子类型:NATIONAL CHARACTER VARYING 等价的PL/SQL类型:NVARCHA...
我想在Rails 3.2中使用数据链路类型(),但不支持它。datalink这在迁移过程中会显示出来:我尝试过使用,但是得到了相同的输出或者,我如何安全地存储一个不使用:string的URL,因为它被转换为type character varying(255),这是有一点限制的: PG::StringDataRightTruncation: ERROR: 浏览0提问于2014-06-25得票数 1 回...
bit varying [ (n) ] varbit variable-length bit string:变长位串 boolean bit boolean bool logical boolean (true/false):布尔值 box rectangular box on a plane bytea binary data ("byte array") character varying varchar character varying [ (n) ] varchar [ (n) ] variable-...
4 isc_imgname character varying(64), 5 isc_updatetime timestamp without time zone, 6 isc_id bigint, -- 插入顺序编号(由序列生成) 7 isc_imgdata bytea, 8 CONSTRAINT ist_image_pkey PRIMARY KEY (isc_imgid) 9 ) 1. 2. 3. 4.
create table toast_t1(dd character varying); alter table toast_t1 alter column dd set storage main; /d+ toast_1 Column | Type | Storage | ---+---+---+- dd | character varying | main | Access method: heap 查看Toast表的名字 -...
直接是 '123'::character varying 就转成字符串了 123::character varying 赋值 := 例如: DECLARE result character varying; result := 123; 在pgAdmin里测试代码块,需要用到匿名代码块: do $$declare a varchar; begin select max(act_id)+1 into a from ledm_admin_action; ...
create function f_random_str(length INTEGER) returns character varying LANGUAGE plpgsql AS $$ DECLARE result varchar(50); BEGIN SELECT array_to_string(ARRAY(SELECT chr((65 + round(random() * 25)) :: integer) FROM generate_series(1,length)), '') INTO result; ...
This is the reason why the PostgreSQL Varchar data type is called the variable-length data type. The PostgreSQL Varchar data types are: Varchar(n) Character Varying(n) A) PostgreSQL Varchar Data Type – Syntax variable_name VARCHAR(n) Or variable_name VARYINGING(n) Here, variable_name is ...
create table toast_t1(dd character varying); alter table toast_t1 alter column dd set storage main; /d+ toast_1 Column | Type | Storage | ---+---+---+- dd | character varying | main | Access method: heap 查看Toast表的名字 -...