Alex Behm
c3b5edd2af
IMPALA-2414: Fix correlated WITH-clause views.
...
The bug was that the analysis of a WITH-clause view containing a
relative table ref would register a collection-typed slot in the parent
tuple descriptor of that relative table ref. The problem is that we use
a dummy analyzer with a fresh global state for the WITH-clause analysis.
Since the descriptor table is part of the global state, it was possible
that we'd register a collection-typed slot with an item tuple id that was
the same as the parent tuple id (or another arbitrary tuple id that has
no meaning in the parent tuple). This parent/item tuple with the same id
lead to an infinite recursion in the backend.
The fix is to not register collection-typed slots in parent tuples when
analyzing a relative table ref inside a WITH-clause view. I added a new
flag to the analyzer to indicate whether it is analyzing a WITH-clause
view.
Change-Id: Ifc1bdebe4577a959aec1f6bb89a73eaa37562458
Reviewed-on: http://gerrit.cloudera.org:8080/1021
Reviewed-by: Alex Behm <alex.behm@cloudera.com >
Tested-by: Internal Jenkins
2015-09-30 17:17:40 -07:00
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