Answers for "psql function"

SQL
5

create function in postgresql

create [or replace] function function_name(param_list)
   returns return_type 
   language plpgsql
as $$
declare 
-- variable declaration
begin
 -- logic
end;
$$
Posted by: Guest on October-16-2020
0

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=# 
Posted by: Guest on September-09-2020
0

postgresql functions

CASE
     WHEN condition_1  THEN result_1
     WHEN condition_2  THEN result_2
     ...
     ELSE  result_n
END
Posted by: Guest on November-17-2020

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