xiarixiaoyao commented on a change in pull request #4910:
URL: https://github.com/apache/hudi/pull/4910#discussion_r840184594
##########
File path:
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/IncrementalRelation.scala
##########
@@ -82,21 +85,33 @@ class IncrementalRelation(val sqlContext: SQLContext,
private val commitsToReturn =
commitsTimelineToReturn.getInstants.iterator().toList
// use schema from a file produced in the end/latest instant
- val usedSchema: StructType = {
+
+ val (usedSchema, internalSchema) = {
log.info("Inferring schema..")
val schemaResolver = new TableSchemaResolver(metaClient)
- val tableSchema = if (useEndInstantSchema) {
+ val iSchema = if (useEndInstantSchema && !commitsToReturn.isEmpty) {
+
InternalSchemaCache.searchSchemaAndCache(commitsToReturn.last.getTimestamp.toLong,
metaClient, hoodieTable.getConfig.getInternalSchemaCacheEnable)
+ } else {
+ schemaResolver.getTableInternalSchemaFromCommitMetadata.orElse(null)
+ }
Review comment:
yes, you are right
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