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author | gatorsmile <gatorsmile@gmail.com> | 2015-11-27 22:44:08 -0800 |
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committer | Davies Liu <davies.liu@gmail.com> | 2015-11-27 22:44:08 -0800 |
commit | 149cd692ee2e127d79386fd8e584f4f70a2906ba (patch) | |
tree | a45cf5193210c41be7e441b0c9543c3c40c5bd8f /R/pkg | |
parent | b9921524d970f9413039967c1f17ae2e736982f0 (diff) | |
download | spark-149cd692ee2e127d79386fd8e584f4f70a2906ba.tar.gz spark-149cd692ee2e127d79386fd8e584f4f70a2906ba.tar.bz2 spark-149cd692ee2e127d79386fd8e584f4f70a2906ba.zip |
[SPARK-12028] [SQL] get_json_object returns an incorrect result when the value is null literals
When calling `get_json_object` for the following two cases, both results are `"null"`:
```scala
val tuple: Seq[(String, String)] = ("5", """{"f1": null}""") :: Nil
val df: DataFrame = tuple.toDF("key", "jstring")
val res = df.select(functions.get_json_object($"jstring", "$.f1")).collect()
```
```scala
val tuple2: Seq[(String, String)] = ("5", """{"f1": "null"}""") :: Nil
val df2: DataFrame = tuple2.toDF("key", "jstring")
val res3 = df2.select(functions.get_json_object($"jstring", "$.f1")).collect()
```
Fixed the problem and also added a test case.
Author: gatorsmile <gatorsmile@gmail.com>
Closes #10018 from gatorsmile/get_json_object.
Diffstat (limited to 'R/pkg')
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