xiarixiaoyao commented on code in PR #9743:
URL: https://github.com/apache/hudi/pull/9743#discussion_r1364850251
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hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/HoodieParquetFileFormatHelper.scala:
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@@ -33,8 +33,9 @@ object HoodieParquetFileFormatHelper {
val sparkRequestStructFields = requiredSchema.map(f => {
val requiredType = f.dataType
if (fileStructMap.contains(f.name) && !isDataTypeEqual(requiredType,
fileStructMap(f.name))) {
- implicitTypeChangeInfo.put(new
Integer(requiredSchema.fieldIndex(f.name)),
org.apache.hudi.common.util.collection.Pair.of(requiredType,
fileStructMap(f.name)))
- StructField(f.name, fileStructMap(f.name), f.nullable)
+ val readerType = addMissingFields(requiredType, fileStructMap(f.name))
Review Comment:
Flink cannot support these out of box schema evolutions. also need to adapt
to Flink
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