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https://issues.apache.org/jira/browse/FLINK-4070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15361447#comment-15361447
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ASF GitHub Bot commented on FLINK-4070:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/2120#discussion_r69471024
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/api/scala/batch/table/SelectITCase.scala
---
@@ -134,4 +134,22 @@ class SelectITCase(
.select('a, 'b as 'a).toDataSet[Row].print()
}
+ @Test
+ def testLiteralOnLeft(): Unit = {
--- End diff --
We want to reduce long running ITCases. We recently introduced an
`ExpressionTestBase` for tests of this type. You can create an
`ArithmeticExpressionsTest` similar to `DecimalTypeTest`.
> Support literals on left side of binary expressions
> ---------------------------------------------------
>
> Key: FLINK-4070
> URL: https://issues.apache.org/jira/browse/FLINK-4070
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: Jark Wu
> Priority: Minor
>
> The Table API does not support binary expressions like {{12 < 'f0}} in Scala
> DSL where the left side is a literal. Maybe this can be solved by implicits
> or at least by a {{12.toExpr}} method.
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