Create function in postgresql

create [or replace] function function_name(param_list)
   returns return_type 
   language plpgsql
as $$
declare 
-- variable declaration
begin
 -- logic
end;
$$

Source: postgresqltutorial.com

Create function postgresql

CREATE OR REPLACE FUNCTION auditlogfunc() RETURNS TRIGGER AS $example_table$
   BEGIN
      INSERT INTO AUDIT(EMP_ID, ENTRY_DATE) VALUES (new.ID, current_timestamp);
      RETURN NEW;
   END;
$example_table$ LANGUAGE plpgsql;

Source: tutorialspoint.com

Plpgsql create function

postgres=# Create or replace function fun1(n int) returns int 

as

$$

Begin

Insert into test values (n,'2019-11-26');

Return 1;

End;

$$

Language 'plpgsql';

CREATE FUNCTION

postgres=#

Source: enterprisedb.com

Similar codes

0 vote271 views1 answer
Mql5 list all available symbols
SQL
1 vote289 views1 answer
Cannot insert explicit value for identity column in table 'Tbl_Increment_File' when IDENTITY_INSERT is set to OFF.
SQL
0 vote293 views1 answer
Oracle cpu metric
SQL
0 vote286 views1 answer
Oracle DROP PROGRAM
SQL
0 vote288 views1 answer
Soql update query
SQL
0 vote293 views1 answer
Delete * from where id = 1;
SQL
0 vote301 views1 answer
Psotgres multiple values
SQL
0 vote278 views1 answer
Mysql identified by syntax error
SQL
0 vote292 views1 answer
Sql server check whether column has same equal values
SQL
4 votes275 views2 answers
Error loading MySQLdb module.
SQL