[SPARK-17609][SQL] SessionCatalog.tableExists should not check temp view #15160
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Test build #65654 has finished for PR 15160 at commit
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gatorsmile
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Sep 20, 2016
| return Seq.empty[Row] | ||
| } else { | ||
| throw new AnalysisException(s"Table ${tableIdentWithDB.unquotedString} already exists.") | ||
| throw new AnalysisException(s"Table ${table.identifier.unquotedString} already exists.") |
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The test failure is caused by this change. After this PR, table.identifier does not always have the database name.
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LGTM, except one comment about test failure. Also, went over all the existing usages of |
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Test build #65715 has finished for PR 15160 at commit
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Test build #65719 has finished for PR 15160 at commit
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LGTM |
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thanks for the review, merging to master! |
asfgit
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Sep 23, 2016
…tements on Temporary Views ### What changes were proposed in this pull request? This PR is to backport #15054 and #15160 to Spark 2.0. - When the permanent tables/views do not exist but the temporary view exists, the expected error should be `NoSuchTableException` for partition-related ALTER TABLE commands. However, it always reports a confusing error message. For example, ``` Partition spec is invalid. The spec (a, b) must match the partition spec () defined in table '`testview`'; ``` - When the permanent tables/views do not exist but the temporary view exists, the expected error should be `NoSuchTableException` for `ALTER TABLE ... UNSET TBLPROPERTIES`. However, it reports a missing table property. For example, ``` Attempted to unset non-existent property 'p' in table '`testView`'; ``` - When `ANALYZE TABLE` is called on a view or a temporary view, we should issue an error message. However, it reports a strange error: ``` ANALYZE TABLE is not supported for Project ``` - When inserting into a temporary view that is generated from `Range`, we will get the following error message: ``` assertion failed: No plan for 'InsertIntoTable Range (0, 10, step=1, splits=Some(1)), false, false +- Project [1 AS 1#20] +- OneRowRelation$ ``` This PR is to fix the above four issues. There is no place in Spark SQL that need `SessionCatalog.tableExists` to check temp views, so this PR makes `SessionCatalog.tableExists` only check permanent table/view and removes some hacks. ### How was this patch tested? Added multiple test cases Author: gatorsmile <[email protected]> Closes #15174 from gatorsmile/PR15054Backport.
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What changes were proposed in this pull request?
After #15054 , there is no place in Spark SQL that need
SessionCatalog.tableExiststo check temp views, so this PR makesSessionCatalog.tableExistsonly check permanent table/view and removes some hacks.This PR also improves the
getTempViewOrPermanentTableMetadatathat is introduced in #15054 , to make the code simpler.How was this patch tested?
existing tests