Jun Fang created SPARK-7363:
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Summary: Automatically cast into StringType for
StringRegexExpression
Key: SPARK-7363
URL: https://issues.apache.org/jira/browse/SPARK-7363
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.3.1
Reporter: Jun Fang
Spark-SQL can not cast DataType into StringType in StringRegexExpression
automatically, so if we run a SQL like: "select A from B where id regexp
'^12345$'" in which column id is a BIGINT type, we got a error like: "
java.lang.ClassCastException: java.lang.Long cannot be cast to
java.lang.String". We should make StringRegexExpression inherit
ExpectsInputTypes and specified input type with StringType here.
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