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[SPARK-11692][SQL] Support for Parquet logical types, JSON and BSON (embedded types) #9658

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[SPARK-11692][SQL] Support for Parquet logical types, JSON and BSON (embedded types) #9658

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0c9b77a
[SPARK-11692][SQL] Support for Parquet logical types, JSON and BISON …
HyukjinKwon Nov 12, 2015
d5a9629
[SPARK-11692][SQL] Fix typos
HyukjinKwon Nov 12, 2015
66088e3
[SPARK-11694][SQL] Remove mistakenly added characters.
HyukjinKwon Nov 12, 2015
9f22651
[SPARK-11692][SQL] Update indentation
HyukjinKwon Nov 12, 2015
d17a2db
[SPARK-11692][SQL] Resolve conflits
HyukjinKwon Nov 13, 2015
1152636
[SPARK-11692][SQL] Use === instead of == for better assertion error m…
HyukjinKwon Nov 16, 2015
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3 changes: 2 additions & 1 deletion ...in/scala/org/apache/spark/sql/execution/datasources/parquet/CatalystSchemaConverter.scala
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Expand Up @@ -170,9 +170,10 @@ private[parquet] class CatalystSchemaConverter(

case BINARY =>
originalType match {
case UTF8 | ENUM => StringType
case UTF8 | ENUM | JSON => StringType
case null if assumeBinaryIsString => StringType
case null => BinaryType
case BSON => BinaryType
case DECIMAL => makeDecimalType()
case _ => illegalType()
}
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25 changes: 25 additions & 0 deletions ...re/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetIOSuite.scala
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Expand Up @@ -230,6 +230,31 @@ class ParquetIOSuite extends QueryTest with ParquetTest with SharedSQLContext {
}
}

test("SPARK-11692 Support for Parquet logical types, JSON and BSON (embedded types)") {
val parquetSchema = MessageTypeParser.parseMessageType(
"""message root {
| required binary a(JSON);
| required binary b(BSON);
|}
""".stripMargin)

withTempPath { location =>
val extraMetadata = Map.empty[String, String].asJava
val fileMetadata = new FileMetaData(parquetSchema, extraMetadata, "Spark")
val path = new Path(location.getCanonicalPath)
val footer = List(
new Footer(path, new ParquetMetadata(fileMetadata, Collections.emptyList()))
).asJava

ParquetFileWriter.writeMetadataFile(sparkContext.hadoopConfiguration, path, footer)

val jsonDataType = sqlContext.read.parquet(path.toString).schema(0).dataType
assert(jsonDataType === StringType)
val bsonDataType = sqlContext.read.parquet(path.toString).schema(1).dataType
assert(bsonDataType === BinaryType)
}
}

test("compression codec") {
def compressionCodecFor(path: String, codecName: String): String = {
val codecs = for {
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