LKBEN11157: Howto use variables in the tables with pl/pgsql and postgres
Symptom
You want to create variable table or function names in postgresql
Cause
none
Solution
In the case of executing dynamic sql commands, you can use the execute command in pl/pgsql.
e.g.
CREATE FUNCTION somefunction(name varchar, language varchar)
RETURNS void AS
$BODY$
DECLARE
table_cmd; --the command that we build to execute
tablename text;
BEGIN
tablename := $1 || 'suffix'; --naming convention
table_cmd := 'create table ' || tablename
|| ' ( ' || primkey || ' serial unique,'
|| 'Title varchar(255) not null,'
|| 'Symptom varchar(1500) not null,'
|| 'Cause varchar(1500) default ''the'');'
raise notice 'table_cmd is %', table_cmd; --show some information when run
--EXECUTE table_cmd; --comment this out to create the table
END;
$BODY$
LANGUAGE 'plpgsql' VOLATILE;
Disclaimer:
The information provided in this document is intended for your information only. Lubby makes no claims to the validity of this information. Use of this information is at own risk!About the Author
Author: - Keskon GmbH & Co. KG
Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience, including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform.