pengzhiwei2018 commented on a change in pull request #3137:
URL: https://github.com/apache/hudi/pull/3137#discussion_r657605824
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File path:
hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/hudi/DefaultSource.scala
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@@ -213,11 +214,27 @@ class DefaultSource extends RelationProvider
classOf[HoodieROTablePathFilter],
classOf[org.apache.hadoop.fs.PathFilter])
+ val specifySchema = if (schema == null) {
+ // Load the schema from the commit meta data.
+ // Here we should specify the schema to the latest commit schema since
+ // the table schema evolution.
+ val schemaUtil = new TableSchemaResolver(metaClient)
+ try {
+ Some(SchemaConverters.toSqlType(schemaUtil.getTableAvroSchema)
+ .dataType.asInstanceOf[StructType])
+ } catch {
+ case _: Throwable =>
+ None // If there is no commit in the table, we can not get the
schema
+ // with schemaUtil, return None here.
+ }
+ } else {
+ None
Review comment:
The schema is null at this if-branch, so it should be None.
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