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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-6690) ROW_NUMBER should not be allowed in generation clause
Date Wed, 06 Aug 2014 07:37:11 GMT
Knut Anders Hatlen created DERBY-6690:

             Summary: ROW_NUMBER should not be allowed in generation clause
                 Key: DERBY-6690
                 URL: https://issues.apache.org/jira/browse/DERBY-6690
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions:
            Reporter: Knut Anders Hatlen

The generation clause is allowed to have a call to the ROW_NUMBER function. But it fails when
a new row is inserted. It should be disallowed in CREATE TABLE and ALTER TABLE ADD COLUMN.

ij> create table t (x int generated always as (row_number() over ()));
0 rows inserted/updated/deleted
ij> insert into t values default;
ERROR XJ001: Java exception: 'ASSERT FAILED cannot get interface without operand: org.apache.derby.shared.common.sanity.AssertFailure'.

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