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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