[
https://issues.apache.org/jira/browse/FLINK-8302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16315220#comment-16315220
]
ASF GitHub Bot commented on FLINK-8302:
---------------------------------------
Github user sunjincheng121 commented on a diff in the pull request:
https://github.com/apache/flink/pull/5202#discussion_r160047888
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/expressions/ScalarFunctionsTest.scala
---
@@ -1216,6 +1216,64 @@ class ScalarFunctionsTest extends
ScalarTypesTestBase {
)
}
+ @Test
+ def testShiftLeft(): Unit = {
+ testSqlApi(
+ "SHIFT_LEFT(1,1)",
+ "2"
+ )
+
+ testSqlApi(
+ "SHIFT_LEFT(21,1)",
+ "42"
+ )
+
+ testSqlApi(
+ "SHIFT_LEFT(2147483647,-2147483648)",
+ "2147483647"
+ )
+
+ testSqlApi(
+ "SHIFT_LEFT(-2147483648,2147483647)",
+ "0"
+ )
+
+ testSqlApi(
+ "SHIFT_LEFT(9223372036854775807,-2147483648)",
+ "9223372036854775807"
+ )
+ }
+
+ @Test
+ def testShiftRight(): Unit = {
--- End diff --
Add a test case using column defined in `ScalarTypesTestBase `, just like
as follow:
```
testSqlApi(
"SHIFT_RIGHT(f4,1)", // f4 is BIGINT type
"22"
)
```
> Support shift_left and shift_right in TableAPI
> ----------------------------------------------
>
> Key: FLINK-8302
> URL: https://issues.apache.org/jira/browse/FLINK-8302
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: DuBin
> Labels: features
> Fix For: 1.5.0
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Add shift_left and shift_right support in TableAPI, shift_left(input, n) act
> as input << n, shift_right(input, n) act as input >> n.
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