David Marcos created FLINK-8136:
-----------------------------------
Summary: Cast exception error on Flink SQL when using DATE_FORMAT
Key: FLINK-8136
URL: https://issues.apache.org/jira/browse/FLINK-8136
Project: Flink
Issue Type: Bug
Components: Table API & SQL
Affects Versions: 1.4.0
Environment: Any environment
Reporter: David Marcos
Priority: Blocker
Due to the shading of joda time there is a exception when CodeGenerator try to
cast org.joda.time.format.DateTimeFormatter to
org.apache.flink.table.shaded.org.joda.time.format.DateTimeFormatter
This can be reproduce by using DATE_FORMAT temporal function in any flink SQL
Affected scala file:
------------------------
https://github.com/apache/flink/blob/master/flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/CodeGenerator.scala
Affected method:
--------------------------
addReusableDateFormatter
Affected code:
-----------------------
val field =
s"""
|final org.joda.time.format.DateTimeFormatter $fieldTerm;
|""".stripMargin
Fastest solution:
-----------------------
val field =
s"""
|final org.apache.flink.table.shaded.org.joda.time.format.DateTimeFormatter
$fieldTerm;
|""".stripMargin
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