Daniel Becker created IMPALA-12776:
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Summary: Query with unnest crashes
Key: IMPALA-12776
URL: https://issues.apache.org/jira/browse/IMPALA-12776
Project: IMPALA
Issue Type: Bug
Components: Backend, Frontend
Reporter: Daniel Becker
The following query crashes Impala:
{code:java}
with v as (select arr1, arr2 from complextypes_arrays
union all select arr1, arr2 from complextypes_arrays),
v2 as (select unnest(arr1) a1, unnest(arr2) a2 from v)
select * from v2 where a2="one";{code}
impalad.FATAL contains the following:
{code:java}
F0131 15:31:14.629303 1465911 descriptors.cc:474]
e5433fb2f048d1e5:eb14151f00000000] Check failed: id < tuple_idx_map_.size() (2
vs. 1) RowDescriptor: Tuple(id=0 size=25 slots=[Slot(id=0 type=ARRAY
col_path=[1] children_tuple_id=1 offset=0 null=(offset=24 mask=1) slot_idx=0
field_idx=0), Slot(id=2 type=ARRAY col_path=[2] children_tuple_id=2 offset=12
null=(offset=24 mask=2) slot_idx=1 field_idx=1)] tuple_path=[]){code}
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