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=#
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