[ http://issues.apache.org/jira/browse/DERBY-1495?page=comments#action_12449992 ] Kristian Waagan commented on DERBY-1495: ----------------------------------------
Should the Fix Version be updated to reflect that the fix is in the 10.2 branch as well? If so, this goes for the related Jira issue too. > Attempt to modify an identity column error after resetting identity column > -------------------------------------------------------------------------- > > Key: DERBY-1495 > URL: http://issues.apache.org/jira/browse/DERBY-1495 > Project: Derby > Issue Type: Bug > Components: SQL > Affects Versions: 10.2.1.6 > Environment: Java 1.5.0_06-b05 on Linux Ubuntu 5.10. Derby version > 10.2.0.3-412239 > Reporter: Lars Gråmark > Assigned To: Bryan Pendleton > Priority: Minor > Fix For: 10.3.0.0 > > Attachments: preserveColDefault_v1.diff > > > When an identity counter is altered using the ALTER TABLE statement below, it > seems as if the GENERATED BY DEFAULT behavior is lost. > The following statements will reproduce the error. > CREATE TABLE MYTABLE ( > id INT GENERATED BY DEFAULT AS IDENTITY (START WITH 1, INCREMENT BY 1) > NOT NULL > ,col2 INT NOT NULL > ) > -- Insert using an explicit value on the ID-field > INSERT INTO MYTABLE(ID, COL2) VALUES(2, 2) > -- Reset the identity field > ALTER TABLE mytable ALTER COLUMN id RESTART WITH 3 > -- Try inserting another explicit value and the error below is thrown. > INSERT INTO MYTABLE(ID, COL2) VALUES(4, 4) > Error: SQL Exception: Attempt to modify an identity column 'ID'. , SQL State: > 42Z23, Error Code: 30000 > -- Although, this works fine > INSERT INTO MYTABLE(COL2) VALUES(4) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
