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Posted to commits@spark.apache.org by li...@apache.org on 2017/06/13 17:12:32 UTC

spark git commit: [SPARK-21016][CORE] Improve code fault tolerance for converting string to number

Repository: spark
Updated Branches:
  refs/heads/master bcf3643f9 -> 7ba8bf288


[SPARK-21016][CORE] Improve code fault tolerance for converting string to number

## What changes were proposed in this pull request?
When converting `string` to `number`(int, long or double),  if the string has a space before or after,will lead to unnecessary mistakes.

## How was this patch tested?
unit test

Author: liuxian <li...@zte.com.cn>

Closes #18238 from 10110346/lx-wip-0608.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/7ba8bf28
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/7ba8bf28
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/7ba8bf28

Branch: refs/heads/master
Commit: 7ba8bf288de721d897c8ea23ed01cb2adc32df80
Parents: bcf3643
Author: liuxian <li...@zte.com.cn>
Authored: Tue Jun 13 10:12:28 2017 -0700
Committer: Xiao Li <ga...@gmail.com>
Committed: Tue Jun 13 10:12:28 2017 -0700

----------------------------------------------------------------------
 .../scala/org/apache/spark/internal/config/ConfigBuilder.scala  | 4 ++--
 .../scala/org/apache/spark/sql/internal/SQLConfEntrySuite.scala | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/7ba8bf28/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
----------------------------------------------------------------------
diff --git a/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala b/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
index 515c9c2..8f4c1b6 100644
--- a/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
+++ b/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
@@ -28,7 +28,7 @@ private object ConfigHelpers {
 
   def toNumber[T](s: String, converter: String => T, key: String, configType: String): T = {
     try {
-      converter(s)
+      converter(s.trim)
     } catch {
       case _: NumberFormatException =>
         throw new IllegalArgumentException(s"$key should be $configType, but was $s")
@@ -37,7 +37,7 @@ private object ConfigHelpers {
 
   def toBoolean(s: String, key: String): Boolean = {
     try {
-      s.toBoolean
+      s.trim.toBoolean
     } catch {
       case _: IllegalArgumentException =>
         throw new IllegalArgumentException(s"$key should be boolean, but was $s")

http://git-wip-us.apache.org/repos/asf/spark/blob/7ba8bf28/sql/core/src/test/scala/org/apache/spark/sql/internal/SQLConfEntrySuite.scala
----------------------------------------------------------------------
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/internal/SQLConfEntrySuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/internal/SQLConfEntrySuite.scala
index f2456c7..135370b 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/internal/SQLConfEntrySuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/internal/SQLConfEntrySuite.scala
@@ -37,6 +37,9 @@ class SQLConfEntrySuite extends SparkFunSuite {
     assert(conf.getConfString(key) === "20")
     assert(conf.getConf(confEntry, 5) === 20)
 
+    conf.setConfString(key, " 20")
+    assert(conf.getConf(confEntry, 5) === 20)
+
     val e = intercept[IllegalArgumentException] {
       conf.setConfString(key, "abc")
     }
@@ -75,6 +78,8 @@ class SQLConfEntrySuite extends SparkFunSuite {
     assert(conf.getConfString(key) === "true")
     assert(conf.getConf(confEntry, false) === true)
 
+    conf.setConfString(key, " true ")
+    assert(conf.getConf(confEntry, false) === true)
     val e = intercept[IllegalArgumentException] {
       conf.setConfString(key, "abc")
     }


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