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Posted to issues@spark.apache.org by "Wan Kun (Jira)" <ji...@apache.org> on 2023/10/18 15:04:00 UTC
[jira] [Created] (SPARK-45594) Auto repartition before writing data into partitioned or bucket table
Wan Kun created SPARK-45594:
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Summary: Auto repartition before writing data into partitioned or bucket table
Key: SPARK-45594
URL: https://issues.apache.org/jira/browse/SPARK-45594
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.0.0
Reporter: Wan Kun
Now, when writing data into partitioned table, there will be at least *dynamicPartitions * ShuffleNum* files; when writing data into bucket table, there will be at least *bucketNums * shuffleNum* files.
We can shuffle by the dynamic partitions or bucket columns before writing data into the table.
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