Autocommit DDL: difference between SQL and SQL Developer * more?

I asked this in the SQL forum (commit auto DDL: difference between developer SQL and command-line client?), but it has suggested it might be a problem in SQL Developer, so I thought I would ask here.

I'm trying to understand what exactly happens when an error occurs when a transaction is committed because of a DDL statement. I noticed that with SQL Developer, if the DDL statement CREATE TABLE, the statement is executed, even if the DML statements which I entered before CREATE TABLE violates a deferred constraint, so that the transaction fails. In SQL * Plus, it's not the case: the table is not created. I have no automatic validation. I'm using Oracle 10 g XE.

That's what happens in SQL * more:
SQL> create table table1(a number);

Table created.

SQL> alter table table1 add constraint table1_a_uq unique(a) deferrable initially deferred;

Table altered.

SQL> insert into table1 values(1);

1 row created.

SQL> commit;

Commit complete.

SQL> insert into table1 values(1);

1 row created.

SQL> create table table2(b number);
create table table2(b number)
*
ERROR at line 1:
ORA-02091: transaction rolled back
ORA-00001: unique constraint (BOEK.TABLE1_A_UQ) violated


SQL> select * from table2;
select * from table2
              *
ERROR at line 1:
ORA-00942: table or view does not exist
If I put the same code in SQL Developer (versions 1.5.5 and 2.1.0.63), the table is created.
This is my script:
create table table1(a number);
alter table table1 add constraint table1_a_uq unique(a) deferrable initially deferred;
insert into table1 values(1);
commit;
insert into table1 values(1);
create table table2(b number);
select * from table2;
And this is the output of SQL Developer:
create table succeeded.
 alter table table1 succeeded.
1 rows inserted
commited
1 rows inserted

Error starting at line 9 in command:
create table table2(b number)
Error report:
SQL Error: ORA-02091: transaction rolled back
ORA-00001: unique constraint (BOEK.TABLE1_A_UQ) violated
02091. 00000 -  "transaction rolled back"
*Cause:    Also see error 2092. If the transaction is aborted at a remote
           site then you will only see 2091; if aborted at host then you will
           see 2092 and 2091.
*Action:   Add rollback segment and retry the transaction.
B                      
---------------------- 

0 rows selected
As you can see, the table is created in SQL Developer, but not in SQL * more.

I wonder why it's different.

Well Yes, it is a slightly different situation, because you issue 1 statement that executes internally 2 statements.
But the problem is the same: the error handling. Where sqlplus rejects again (implicit) statements, sqldev goes ahead and runs them anyway. Personally, I'd say sqldev is more consistent and sqlplus is not, because run the following instructions (explicit).

Kind regards
K.

Tags: Database

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