Shawn Chang created HUDI-8819:
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Summary: Hudi 1.0's backward writer's UPDATE/DELETE would corrupt
older versioned Hudi table
Key: HUDI-8819
URL: https://issues.apache.org/jira/browse/HUDI-8819
Project: Apache Hudi
Issue Type: Bug
Reporter: Shawn Chang
Reproduction:
# Create a table with Hudi 0.14 + Spark 3.5.0 with some rows
# Use Hudi 1.0.0 + Spark 3.5.3 as writer, set
.option("hoodie.write.table.version", 6) to enable backward writer
# After updating some rows, read with Hudi 1.0.0 + Spark 3.5.3:
spark.read.format("hudi").load(tablePath)
# The read results from Hudi 1.0.0 + Spark 3.5.3 would only contain updated
rows
# Same happens to DELETE, if we delete some rows with Hudi 1.0.0 + Spark
3.5.3, then the Spark reader can only see the delete blocks that contain zero
row
# Older versioned Hudi reader (Athena) can still see the correct results
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