[SPARK-32365] Fix java.lang.IndexOutOfBoundsException: No group -1

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.1, 3.1.0
• Fix Version/s: 3.0.1, 3.1.0
• Component/s: SQL
• Assignee: Jiaan Geng
• Reporter: Jiaan Geng
• Created: 20/Jul/20 06:27
• Updated: 22/Jul/20 14:18
• Resolved: 21/Jul/20 03:35

Description

The current implement of regexp_extract will throws a unprocessed exception show below:

SELECT regexp_extract('1a 2b 14m', 'd+' -1)

java.lang.IndexOutOfBoundsException: No group -1
java.util.regex.Matcher.group(Matcher.java:538)
org.apache.spark.sql.catalyst.expressions.RegExpExtract.nullSafeEval(regexpExpressions.scala:455)
org.apache.spark.sql.catalyst.expressions.TernaryExpression.eval(Expression.scala:704)
org.apache.spark.sql.catalyst.optimizer.ConstantFolding$$anonfun$apply$1$$anonfun$applyOrElse$1.applyOrElse(expressions.scala:52)
org.apache.spark.sql.catalyst.optimizer.ConstantFolding$$anonfun$apply$1$$anonfun$applyOrElse$1.applyOrElse(expressions.scala:45)

Issue Links

• links to: [Github] Pull Request #29161 (beliefer)