create function in postgresql
create [or replace] function function_name(param_list)
returns return_type
language plpgsql
as $$
declare
-- variable declaration
begin
-- logic
end;
$$create function in postgresql
create [or replace] function function_name(param_list)
returns return_type
language plpgsql
as $$
declare
-- variable declaration
begin
-- logic
end;
$$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=# postgresql functions
CASE
WHEN condition_1 THEN result_1
WHEN condition_2 THEN result_2
...
ELSE result_n
ENDCopyright © 2021 Codeinu
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