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Posted to derby-dev@db.apache.org by "Rick Hillegas (JIRA)" <ji...@apache.org> on 2017/09/10 19:52:00 UTC

[jira] [Created] (DERBY-6959) Required the Standard SET keyword in the syntax for changing the cycle behavior of identity columns

Rick Hillegas created DERBY-6959:
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             Summary: Required the Standard SET keyword in the syntax for changing the cycle behavior of identity columns
                 Key: DERBY-6959
                 URL: https://issues.apache.org/jira/browse/DERBY-6959
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.14.0.0
            Reporter: Rick Hillegas
             Fix For: 10.14.0.0


The correct syntax for changing the cycling behavior of an auto-increment column is...

  ALTER TABLE ALTER COLUMN $columnName SET [NO] CYCLE

...according to the 2016 SQL Standard, part 2, sections 11.20 (<alter identity column specification) and 11.72 (<sequence generator definition>). This is also the syntax used by DB2 (see https://www.ibm.com/support/knowledgecenter/en/SSEPEK_10.0.0/sqlref/src/tpc/db2z_sql_altertable.html). Right now Derby does not accept the required SET keyword. We should bring Derby into compliance with the Standard. I will attach a patch to do this.




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