v_table_ddl :=v_table_ddl||';'||E'\n';-- suffix create statement with all of the indexes on the tableFORv_index_recordINSELECTregexp_replace(indexdef,' "?'||schemaname||'"?\.',' ')ASindexdefFROMpg_catalog.pg_indexesWHERE(schemaname, tablename)=(in_schema_name, in_table_name...
(crontab -l2>/dev/null;echo"0 14 * * * bash /tmp/create_part.sh ")|crontab- 使用数据库内置调度器,如 pg_cron、pg_timetable 以pg_cron 为例,每天下午14点创建次日的分区表: CREATE OR REPLACE FUNCTION create_tab_part()RETURNS integer LANGUAGEplpgsql AS $$ DECLARE dateStr varchar; BEGIN S...
1CREATEORREPLACEFUNCTION"public"."showcreatetable"("dbinstancename"varchar, "namespace"varchar, "tablename"varchar, "tenantid"varchar)2RETURNS"pg_catalog"."varchar"AS$BODY$3declare4tableScriptcharactervaryingdefault'';5indexScripecharactervaryingdefault'';6constraintScripecharactervaryingdefault'';7p_name...
create table p(id int, info text, crt_time timestamp); create table c1(like p) inherits(p); create table c2(like p) inherits(p); create table c3(like p) inherits(p); 3.给分区表增加约束,定义每个分区允许的键值。 alter table c1 add constraint ck check (crt_time>='2018-04-04' an...
CREATE FUNCTION定义一个新函数。CREATE OR REPLACE FUNCTION将创建一个新函数或者替换一个现有的函数 name:表示要创建的函数名 argmode:一个参数的模式:IN、OUT、INOUT或者VARIADIC。如果省略,默认为IN。只有OUT参数能跟在一个VARIADIC参数后面。还有,OUT和INOUT参数不能和RETURNS TABLE符号一起使用。
CREATE OR REPLACE FUNCTION "public"."f_inittables1"(arr _text)RETURNS "pg_catalog"."void" AS $BODY$DECLAREscount INTEGER;rownum integer := 1;currsnum text;strSQL text;BEGINscount:=array_length(arr,1);while rownum <= scount LOOPcurrsnum:=arr[rownum];RAISE NOTICE '这里是%', currsnum...
FROM table1 LEFT JOIN table2 ON table1.column_name=table2.column_name; 6.创建一个自定义函数返回物流表中的所有省数据,并调用自定义函数查询所有省数据; 说明: create or replace functionss()// 建一个名字为ss的自定义函数 returnsvarcharas// returns 理解为返回一个xxxx类型的结果;xxxx是返回的字段的...
postgresql create table 自增主键 plsql建表主键自增 一、创建表 create table testTable ( Id numbere, name varchar2(100), age number, createTime date, primary key(Id) ) 1. 2. 3. 4. 5. 6. 7. 8. 二、创建序列 create sequence seq_test...
CREATE ROLE _name_ [ [ WITH ] _option_ [ ... ] ] where `_option_` can be: SUPERUSER | NOSUPERUSER | CREATEDB | NOCREATEDB | CREATEROLE | NOCREATEROLE ...CREATE RULE定义一个新重写规则。CREATE [ OR REPLACE ] RULE name AS ON event TO table [ WHERE condition ] DO [ ALSO | ...
CREATE TABLE exp (a int, b int);CREATE OR REPLACE FUNCTION sfunc(integer) RETURNS integer LANGUAGE sql IMMUTABLE AS 'SELECT $1'; --Присозданиииндексаповыражениюфункциядолжнабыть IMMUTABLE, тоестьБЕСПОЛЕЗНА CREATE...