query_string=0x2adbf08"create or replace function func_test(pi_v1 in int,pi_v2 varchar,pio_v3 inout varchar,po_v4 out int,po_v5 out varchar)\nreturns record\nas\n$$\ndeclare\nbegin\nraise notice 'pi_v1 := %,pi_v2 := %,pi_v3 :="...) at postgres.c:1215#80x00000000008f0b...
如题,需求是传入一个字符串数组,根据数组的大小(n)来动态复制n张表,接下来直接看一下完整的自定义函数代码: CREATEORREPLACE FUNCTION"public"."f_inittables1"(arr _text) RETURNS"pg_catalog"."void"AS$BODY$ DECLARE scountINTEGER; rownuminteger:=1; currsnumtext; strSQLtext; BEGIN scount:=array_le...
postgres数据库添加boolean <-> smallint的自动转换逻辑 -- 创建函数1 smallint到boolean到转换函数 CR...
CREATE OR REPLACE FUNCTION "public"."f_inittables1"(arr _text)RETURNS "pg_catalog"."void" AS $BODY$DECLAREscount INTEGER;rownum integer := 1;currsnum text;strSQL text;BEGINscount:=array_length(arr,1);while rownum <= scount LOOPcurrsnum:=arr[rownum];RAISE NOTICE '这里是%', currsnum...
This tutorial works for PostgreSQL anywhere. If you need cloud Postgres, get ten databases free on Neon. Summary: in this tutorial, you will learn how to use the PostgreSQL CREATE FUNCTION statement to develop user-defined functions.Introduction to Create Function StatementThe create function stateme...
浏览0提问于2017-10-31得票数 0 1回答 Postgres函数返回参数或零值 如果找到数据,则希望在执行select查询时返回列值或零值。但我有语法错误。我该如何解决这个问题?错误是 CREATE OR REPLACE FUNCTION tuvimer.getProjectTypes( OUT 浏览3提问于2017-01-14得票数 0 回答已采纳 点击加载更多 ...
ALTERFUNCTION"public"."f_inittables1"(arr _text) OWNERTO"postgres"; 如上所示,遍历参数数组,根据数组的值拼接构造表名,同时构造外键名和序列名,在循环的n次中通过EXECUTE关键字执行建表语句实现动态建表,下面调用一下试试,传入一个5个字符串的数组: ...
CREATE FUNCTIONdefines a new function.CREATE OR REPLACE FUNCTIONwill either create a new function, or replace an existing definition. If a schema name is included, then the function is created in the specified schema. Otherwise it is created in the current schema. The name of the new function...
CREATEORREPLACEFUNCTIONpublic.NVL(SMALLINT,SMALLINT) RETURNSSMALLINTAS$$ SELECTCOALESCE($1,$2); $$ LANGUAGE SQL IMMUTABLE; The control file nvlfunc looks like this... Nvlfunc.conntrol file: 1 2 3 4 5 # nvlfunc extension comment ='Oracle compatible nvl function' ...
CREATE OR REPLACE FUNCTION change_status() RETURNS TRIGGER LANGUAGE PLPGSQL AS $$ BEGIN IF NEW.proj_status<> OLD.proj_status THEN INSERT INTO project_audits(proj_status,updated_on) VALUES(OLD.proj_status,now()); END IF; RETURN NEW; ...