Heikki Linnakangas created MADLIB-1298:
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Summary: MADLIB doesn't work with gp_distribution_policy changes
in Greenplum 6
Key: MADLIB-1298
URL: https://issues.apache.org/jira/browse/MADLIB-1298
Project: Apache MADlib
Issue Type: Bug
Reporter: Heikki Linnakangas
Recent commits in Greenplum master branch - which will eventually become
Greenplum 6 - changed the gp_distribution_policy catalog table's layout. See
[https://github.com/greenplum-db/gpdb/commit/69ec6926c2284ff97d8b82282072b5b205e8aa27]
and
[https://github.com/greenplum-db/gpdb/commit/242783ae9f573bb03da3d89dc689c6743dfce510.]
That broke get_distribution_policy() function, in utilities.py_in, because it
looks at the renamed gp_distribution_policy.attrnums column. The recommended
way to deparse the DISTRIBUTED BY clause of a table is now to use the new
pg_catalog.pg_get_table_distributedby() helper function. MADLIB should use that
too, when running against GPDB 6.
(I'll open a pull request for this shortly)
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