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https://issues.apache.org/jira/browse/FLINK-10059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573310#comment-16573310
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ASF GitHub Bot commented on FLINK-10059:
----------------------------------------
hequn8128 commented on a change in pull request #6494: [FLINK-10059] [table]
Add LTRIM supported in Table API and SQL
URL: https://github.com/apache/flink/pull/6494#discussion_r208608850
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/sql/ScalarSqlFunctions.scala
##########
@@ -186,4 +186,12 @@ object ScalarSqlFunctions {
SqlFunctionCategory.STRING
)
+ val LTRIM = new SqlFunction(
+ "LTRIM",
+ SqlKind.OTHER_FUNCTION,
+ ReturnTypes.explicit(SqlTypeName.VARCHAR),
Review comment:
add TO_NULLABLE
`ReturnTypes.cascade(ReturnTypes.explicit(SqlTypeName.VARCHAR),
SqlTypeTransforms.TO_NULLABLE),`
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> Add LTRIM supported in Table API and SQL
> ----------------------------------------
>
> Key: FLINK-10059
> URL: https://issues.apache.org/jira/browse/FLINK-10059
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: vinoyang
> Assignee: vinoyang
> Priority: Minor
> Labels: pull-request-available
>
> refer to MYSQL ltrim function :
> https://dev.mysql.com/doc/refman/8.0/en/string-functions.html#function_ltrim
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