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| author | Michael Armbrust <michael@databricks.com> | 2015-03-30 22:24:12 +0800 |
|---|---|---|
| committer | Cheng Lian <lian@databricks.com> | 2015-03-30 22:24:12 +0800 |
| commit | fe81f6c779213a91369ec61cf5489ad5c66cc49c (patch) | |
| tree | ba630f730420b271c4284d18979ff06d3146a374 /project | |
| parent | 19d4c392fa1738e5dd04418cb008abc8810b8122 (diff) | |
| download | spark-fe81f6c779213a91369ec61cf5489ad5c66cc49c.tar.gz spark-fe81f6c779213a91369ec61cf5489ad5c66cc49c.tar.bz2 spark-fe81f6c779213a91369ec61cf5489ad5c66cc49c.zip | |
[SPARK-6595][SQL] MetastoreRelation should be a MultiInstanceRelation
Now that we have `DataFrame`s it is possible to have multiple copies in a single query plan. As such, it needs to inherit from `MultiInstanceRelation` or self joins will break. I also add better debugging errors when our self join handling fails in case there are future bugs.
Author: Michael Armbrust <michael@databricks.com>
Closes #5251 from marmbrus/multiMetaStore and squashes the following commits:
4272f6d [Michael Armbrust] [SPARK-6595][SQL] MetastoreRelation should be MuliInstanceRelation
Diffstat (limited to 'project')
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