Revision 6148a77a5da9ca33fb115269f1cba29cddfc652e authored by Gengliang Wang on 16 November 2018, 00:35:00 UTC, committed by hyukjinkwon on 16 November 2018, 00:35:00 UTC
Back port https://github.com/apache/spark/pull/22890 to branch-2.4. It is a bug fix for this issue: https://issues.apache.org/jira/browse/SPARK-26063 ## What changes were proposed in this pull request? Previously in from_avro/to_avro, we override the method `simpleString` and `sql` for the string output. However, the override only affects the alias naming: ``` Project [from_avro('col, ... , (mode,PERMISSIVE)) AS from_avro(col, struct<col1:bigint,col2:double>, Map(mode -> PERMISSIVE))#11] ``` It only makes the alias name quite long: `from_avro(col, struct<col1:bigint,col2:double>, Map(mode -> PERMISSIVE))`). We should follow `from_csv`/`from_json` here, to override the method prettyName only, and we will get a clean alias name ``` ... AS from_avro(col)#11 ``` ## How was this patch tested? Manual check Closes #23047 from gengliangwang/backport_avro_pretty_name. Authored-by: Gengliang Wang <gengliang.wang@databricks.com> Signed-off-by: hyukjinkwon <gurwls223@apache.org>
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