Function Supporting Autonomous Transaction
An autonomous transaction can be defined in a function. The identifier of an autonomous transaction is PRAGMA AUTONOMOUS_TRANSACTION. The syntax of an autonomous transaction is the same as that of creating a function. The following is an example.
create table t4(a int, b int, c text);
CREATE OR REPLACE function autonomous_32(a int ,b int ,c text) RETURN int AS
DECLARE
PRAGMA AUTONOMOUS_TRANSACTION;
BEGIN
insert into t4 values(a, b, c);
return 1;
END;
/
CREATE OR REPLACE function autonomous_33(num1 int) RETURN int AS
DECLARE
num3 int := 220;
tmp int;
PRAGMA AUTONOMOUS_TRANSACTION;
BEGIN
num3 := num3/num1;
return num3;
EXCEPTION
WHEN division_by_zero THEN
select autonomous_32(num3, num1, sqlerrm) into tmp;
return 0;
END;
/
select autonomous_33(0);
select * from t4;