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v5.0

Documentation:v5.0

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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;
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