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[SPARK-20439] [SQL] Fix Catalog API listTables and getTable when failed to fetch table metadata #17730

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What changes were proposed in this pull request?

spark.catalog.listTables and spark.catalog.getTable does not work if we are unable to retrieve table metadata due to any reason (e.g., table serde class is not accessible or the table type is not accepted by Spark SQL). After this PR, the APIs still return the corresponding Table without the description and tableType)

How was this patch tested?

Added a test case

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SparkQA commented Apr 23, 2017

Test build #76072 has finished for PR 17730 at commit 1a5e24d.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds no public classes.

@gatorsmile
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cc @cloud-fan @sameeragarwal

if (tableExists(dbName, tableName)) {
makeTable(TableIdentifier(tableName, Option(dbName)))
} else {
throw new AnalysisException(s"Table or view '$tableName' not found in database '$dbName'")
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The doc says This throws an AnalysisException when no Table can be found., I think we should not change this behavior

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Yes. That is why an AnalysisException is issued here. makeTable eats the expected exception.

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LGTM, merging to master/2.2!

@asfgit asfgit closed this in 776a2c0 Apr 24, 2017
asfgit pushed a commit that referenced this pull request Apr 24, 2017
…d to fetch table metadata

### What changes were proposed in this pull request?

`spark.catalog.listTables` and `spark.catalog.getTable` does not work if we are unable to retrieve table metadata due to any reason (e.g., table serde class is not accessible or the table type is not accepted by Spark SQL). After this PR, the APIs still return the corresponding Table without the description and tableType)

### How was this patch tested?
Added a test case

Author: Xiao Li <gatorsmile@gmail.com>

Closes #17730 from gatorsmile/listTables.

(cherry picked from commit 776a2c0)
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
@sameeragarwal
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should we backport this to earlier releases too?

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Sure, will do it to 2.1

asfgit pushed a commit that referenced this pull request Apr 26, 2017
…ble when failed to fetch table metadata

### What changes were proposed in this pull request?

This PR is to backport #17730 to Spark 2.1
--- --
`spark.catalog.listTables` and `spark.catalog.getTable` does not work if we are unable to retrieve table metadata due to any reason (e.g., table serde class is not accessible or the table type is not accepted by Spark SQL). After this PR, the APIs still return the corresponding Table without the description and tableType)

### How was this patch tested?
Added a test case

Author: Xiao Li <gatorsmile@gmail.com>

Closes #17760 from gatorsmile/backport-17730.
peter-toth pushed a commit to peter-toth/spark that referenced this pull request Oct 6, 2018
…d to fetch table metadata

### What changes were proposed in this pull request?

`spark.catalog.listTables` and `spark.catalog.getTable` does not work if we are unable to retrieve table metadata due to any reason (e.g., table serde class is not accessible or the table type is not accepted by Spark SQL). After this PR, the APIs still return the corresponding Table without the description and tableType)

### How was this patch tested?
Added a test case

Author: Xiao Li <gatorsmile@gmail.com>

Closes apache#17730 from gatorsmile/listTables.
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4 participants