flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From wuchong <...@git.apache.org>
Subject [GitHub] flink pull request #3330: [FLINK-5795][TableAPI&SQL] Improve UDTF to support...
Date Thu, 16 Feb 2017 07:07:15 GMT
Github user wuchong commented on a diff in the pull request:

    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/CodeGenerator.scala
    @@ -1463,21 +1465,23 @@ class CodeGenerator(
       def addReusableFunction(function: UserDefinedFunction): String = {
         val classQualifier = function.getClass.getCanonicalName
    -    val fieldTerm = s"function_${classQualifier.replace('.', '$')}"
    +    val functionSerializedData = serialize(function)
    +    val fieldTerm =
    +      s"""
    +         |function_${classQualifier.replace('.', '$')}_${DigestUtils.md5Hex(functionSerializedData)}
    --- End diff --
    Yes, UDTF node is independent of the codegen. It rarely happens in UDTF. But often happens
when involving multiple ScalarFucntions (assuming the same way to implement ScalarFunction).

If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.

View raw message