[SPARK-10434] [SQL] Fixes Parquet schema of arrays that may contain null #8586
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Test build #41974 has finished for PR 8586 at commit
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LGTM |
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Thanks for the review! I'm merging this to master and branch-1.5. |
asfgit
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To keep full compatibility of Parquet write path with Spark 1.4, we should rename the innermost field name of arrays that may contain null from "array_element" to "array". Please refer to [SPARK-10434] [1] for more details. [1]: https://issues.apache.org/jira/browse/SPARK-10434 Author: Cheng Lian <[email protected]> Closes #8586 from liancheng/spark-10434/fix-parquet-array-type. (cherry picked from commit bca8c07) Signed-off-by: Cheng Lian <[email protected]>
ashangit
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To keep full compatibility of Parquet write path with Spark 1.4, we should rename the innermost field name of arrays that may contain null from "array_element" to "array". Please refer to [SPARK-10434] [1] for more details. [1]: https://issues.apache.org/jira/browse/SPARK-10434 Author: Cheng Lian <[email protected]> Closes apache#8586 from liancheng/spark-10434/fix-parquet-array-type. (cherry picked from commit bca8c07) Signed-off-by: Cheng Lian <[email protected]> (cherry picked from commit 640000b)
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To keep full compatibility of Parquet write path with Spark 1.4, we should rename the innermost field name of arrays that may contain null from "array_element" to "array".
Please refer to SPARK-10434 for more details.