watermelon12138 commented on code in PR #9984:
URL: https://github.com/apache/hudi/pull/9984#discussion_r1385921027
##########
hudi-common/src/main/java/org/apache/hudi/common/util/InternalSchemaCache.java:
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@@ -217,7 +217,11 @@ public static InternalSchema
getInternalSchemaByVersionId(long versionId, String
}
InternalSchema fileSchema = InternalSchemaUtils.searchSchema(versionId,
SerDeHelper.parseSchemas(latestHistorySchema));
// step3:
- return fileSchema.isEmptySchema() ?
AvroInternalSchemaConverter.convert(HoodieAvroUtils.addMetadataFields(new
Schema.Parser().parse(avroSchema))) : fileSchema;
+ return fileSchema.isEmptySchema()
+ ? StringUtils.isNullOrEmpty(avroSchema)
+ ? InternalSchema.getEmptyInternalSchema()
Review Comment:
@danny0405 Yes, Some users find this problem in the upgrade scenario(0.12.3
-> 0.14).
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