Xiao Li created SPARK-21144:
-------------------------------
Summary: Unexpected results when the data schema and partition
schema have the duplicate columns
Key: SPARK-21144
URL: https://issues.apache.org/jira/browse/SPARK-21144
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0
Reporter: Xiao Li
{noformat}
withTempPath { dir =>
val basePath = dir.getCanonicalPath
spark.range(0, 3).toDF("foo").write.parquet(new Path(basePath,
"foo=1").toString)
spark.range(0, 3).toDF("foo").write.parquet(new Path(basePath,
"foo=a").toString)
spark.read.parquet(basePath).show()
}
{noformat}
The result of the above case is
{noformat}
+---+
|foo|
+---+
| 1|
| 1|
| a|
| a|
| 1|
| a|
+---+
{noformat}
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