[SPARK-32706] Poor performance when casting invalid decimal string to decimal type

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: SQL
• Assignee: Yuming Wang
• Reporter: Yuming Wang
• Created: 26/Aug/20 12:34
• Updated: 16/Sep/20 14:09
• Resolved: 16/Sep/20 14:09

Description

How to reproduce this issue:

spark.read.parquet("/path/to/part-00000.parquet").selectExpr("cast(bd as decimal(18, 0)) as x").write.mode("overwrite").save("/tmp/spark/decimal")

Issue Links

• links to: [Github] Pull Request #29731 (wangyum)
• links to: [Github] Pull Request #29731 (wangyum)