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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/05/21 00:24:46 UTC
[GitHub] [spark] dbtsai commented on issue #24635: [SPARK-27762][SQL]
Support user provided avro schema for writing fields with different ordering
dbtsai commented on issue #24635: [SPARK-27762][SQL] Support user provided avro schema for writing fields with different ordering
URL: https://github.com/apache/spark/pull/24635#issuecomment-494195115
@viirya I think user provided avro schema has to match catalyst schema to avoid any discrepancy. If an user wants to use different name, they should rename it in the catalyst schema first.
@cloud-fan parquet and avro / orc can read with custom schema with different ordering by matching the field names. We can generalize this to other formats.
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