gengliangwang commented on a change in pull request #23894:
[SPARK-26990][SQL]FileIndex: use user specified field names if possible
URL: https://github.com/apache/spark/pull/23894#discussion_r260618363
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File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/FileIndexSuite.scala
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@@ -65,6 +65,21 @@ class FileIndexSuite extends SharedSQLContext {
}
}
+ test("SPARK-26990: use user specified field names if possible") {
+ withTempDir { dir =>
+ val partitionDirectory = new File(dir, "a=foo")
+ partitionDirectory.mkdir()
+ val file = new File(partitionDirectory, "text.txt")
+ stringToFile(file, "text")
+ val path = new Path(dir.getCanonicalPath)
+ val schema = StructType(Seq(StructField("A", StringType, false)))
+ withSQLConf(SQLConf.CASE_SENSITIVE.key -> "false") {
Review comment:
When the conf is on, the schema will be `a` instead of `A`. Both 2.4 and the
current code has the same result.
Not sure if we should throw exceptions on this.
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