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>
1 parent 96834fb
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