[SPARK-3011][SQL] _temporary directory should be filtered out by sqlContext.parquetFile

fix compile error on hadoop 0.23 for the pull request apache#1924.

Author: Chia-Yung Su <[email protected]>

Closes apache#1959 from joesu/bugfix-spark3011 and squashes the following commits:

be30793 [Chia-Yung Su] remove .* and _* except _metadata
8fe2398 [Chia-Yung Su] add note to explain
40ea9bd [Chia-Yung Su] fix hadoop-0.23 compile error
c7e44f2 [Chia-Yung Su] match syntax
f8fc32a [Chia-Yung Su] filter out tmp dir

Author: josephsu

sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTypes.scala

@@ -378,7 +378,7 @@ private[parquet] object ParquetTypesConverter extends Logging {
 
     val children = fs.listStatus(path).filterNot { status =>
       val name = status.getPath.getName
-      name(0) == '.' || name == FileOutputCommitter.SUCCEEDED_FILE_NAME
+      (name(0) == '.' || name(0) == '_') && name != ParquetFileWriter.PARQUET_METADATA_FILE
     }
 
     // NOTE (lian): Parquet "_metadata" file can be very slow if the file consists of lots of row