Assert failure with CASE expression in GROUP BY clause
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Key: DERBY-5313
URL: https://issues.apache.org/jira/browse/DERBY-5313
Project: Derby
Issue Type: Bug
Components: SQL
Affects Versions: 10.8.1.2, 10.7.1.1, 10.6.2.1, 10.6.1.0, 10.5.3.0
Reporter: Knut Anders Hatlen
I see the following assert failure with debug jars on 10.5.3.0 and later
(doesn't fail on 10.5.1.1 and earlier):
ij> create table t(x int);
0 rows inserted/updated/deleted
ij> insert into t values 1;
1 row inserted/updated/deleted
ij> select case when a=1 then 1 else 2 end
from t t1(a) join t t2(b) on a=b
group by case when a=1 then 1 else 2 end;
ERROR XJ001: Java exception: 'ASSERT FAILED retVN expected to be instanceof
ColumnReference, not org.apache.derby.impl.sql.compile.ConditionalNode:
org.apache.derby.shared.common.sanity.AssertFailure'.
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