pengzhiwei2018 commented on a change in pull request #2485:
URL: https://github.com/apache/hudi/pull/2485#discussion_r565127786
##########
File path:
hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/hudi/DefaultSource.scala
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@@ -181,4 +184,35 @@ class DefaultSource extends RelationProvider
.resolveRelation()
}
}
+
+ override def sourceSchema(sqlContext: SQLContext,
+ schema: Option[StructType],
+ providerName: String,
+ parameters: Map[String, String]): (String,
StructType) = {
+ val path = parameters.get("path")
+ if (path.isEmpty || path.get == null) {
+ throw new HoodieException(s"'path' must be specified.")
+ }
+ val metaClient = new HoodieTableMetaClient(
+ sqlContext.sparkSession.sessionState.newHadoopConf(), path.get)
+ val schemaResolver = new TableSchemaResolver(metaClient)
+ val sqlSchema =
+ try {
+ val avroSchema = schemaResolver.getTableAvroSchema
+
SchemaConverters.toSqlType(avroSchema).dataType.asInstanceOf[StructType]
Review comment:
That's all right. I will have a try.
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