zhztheplayer commented on code in PR #5447:
URL: https://github.com/apache/incubator-gluten/pull/5447#discussion_r1578851690
##########
gluten-data/src/main/scala/org/apache/gluten/utils/ArrowUtil.scala:
##########
@@ -86,4 +101,223 @@ object ArrowUtil extends Logging {
}
new Schema(fields)
}
+
+ def getFormat(format: String): FileFormat = {
+ format match {
+ case "parquet" => FileFormat.PARQUET
+ case "orc" => FileFormat.ORC
+ case "csv" => FileFormat.CSV
+ case _ => throw new IllegalArgumentException("Unrecognizable format")
+ }
+ }
+
+ def getFormat(format:
org.apache.spark.sql.execution.datasources.FileFormat): FileFormat = {
+ format match {
+ case _: ParquetFileFormat =>
+ FileFormat.PARQUET
+ case _: CSVFileFormat =>
+ FileFormat.CSV
+ case _ =>
+ throw new IllegalArgumentException("Unrecognizable format")
+ }
+ }
+
+ private def rewriteUri(encodeUri: String): String = {
+ val decodedUri = encodeUri
+ val uri = URI.create(decodedUri)
+ if (uri.getScheme == "s3" || uri.getScheme == "s3a") {
+ val s3Rewritten =
+ new URI("s3", uri.getAuthority, uri.getPath, uri.getQuery,
uri.getFragment).toString
+ return s3Rewritten
+ }
+ val sch = uri.getScheme match {
+ case "hdfs" => "hdfs"
+ case "file" => "file"
+ }
+ val ssp = uri.getScheme match {
+ case "hdfs" => uri.getSchemeSpecificPart
+ case "file" => "//" + uri.getSchemeSpecificPart
+ }
+ val rewritten = new URI(sch, ssp, uri.getFragment)
+ rewritten.toString
+ }
+
+ def makeArrowDiscovery(encodedUri: String, format: FileFormat):
FileSystemDatasetFactory = {
+ val allocator = ArrowBufferAllocators.contextInstance()
+ val factory = new FileSystemDatasetFactory(
+ allocator,
+ NativeMemoryPool.getDefault, // TODO: wait to change
Review Comment:
> We can try `NativeMemoryPool#createListenable`. Though in Gluten we
already had a listener named `ReservationListener` so we should do some tricks
on naming.
This can be done in separate PR if we can leave some TODO notes in code.
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