[jira] [Created] (DERBY-6690) ROW_NUMBER should not be allowed in generation clause

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

Knut Anders Hatlen created DERBY-6690:
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             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: 10.10.2.0
            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.

{noformat}
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'.
{noformat}



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