GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/22039
[SPARK-25036][SQL][FOLLOW-UP] Avoid match may not be exhaustive in
Scala-2.12.
## What changes were proposed in this pull request?
This is a follow-up pr of #22014.
We still have some more compilation errors in scala-2.12 with sbt:
```
[error] [warn]
/.../sql/core/src/main/scala/org/apache/spark/sql/DataFrameNaFunctions.scala:493:
match may not be exhaustive.
[error] It would fail on the following input: (_, _)
[error] [warn] val typeMatches = (targetType, f.dataType) match {
[error] [warn]
[error] [warn]
/.../sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/MicroBatchExecution.scala:393:
match may not be exhaustive.
[error] It would fail on the following input: (_, _)
[error] [warn]
prevBatchOff.get.toStreamProgress(sources).foreach {
[error] [warn]
[error] [warn]
/.../sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/AggUtils.scala:173:
match may not be exhaustive.
[error] It would fail on the following input: AggregateExpression(_, _,
false, _)
[error] [warn] val rewrittenDistinctFunctions =
functionsWithDistinct.map {
[error] [warn]
[error] [warn]
/.../sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/SymmetricHashJoinStateManager.scala:271:
match may not be exhaustive.
[error] It would fail on the following input: (_, _)
[error] [warn] keyWithIndexToValueMetrics.customMetrics.map {
[error] [warn]
[error] [warn]
/.../sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala:959:
match may not be exhaustive.
[error] It would fail on the following input: CatalogTableType(_)
[error] [warn] val tableTypeString = metadata.tableType match {
[error] [warn]
[error] [warn]
/.../sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala:923:
match may not be exhaustive.
[error] It would fail on the following input: CatalogTableType(_)
[error] [warn] hiveTable.setTableType(table.tableType match {
[error] [warn]
```
## How was this patch tested?
Manually build with Scala-2.12.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark
issues/SPARK-25036/fix_match
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22039.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #22039
----
commit e9220b4e68178a6cba4e02bf34f0623a80dbc31f
Author: Takuya UESHIN <ueshin@...>
Date: 2018-08-08T15:59:25Z
Add default case to match.
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