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https://issues.apache.org/jira/browse/FLINK-10145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16586802#comment-16586802
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ASF GitHub Bot commented on FLINK-10145:
----------------------------------------
xccui commented on a change in pull request #6576: [FLINK-10145][table] Add
replace supported in TableAPI and SQL
URL: https://github.com/apache/flink/pull/6576#discussion_r211460298
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/functions/ScalarFunctions.scala
##########
@@ -92,6 +92,17 @@ object ScalarFunctions {
sb.toString
}
+ /**
+ * Returns the string str with all non-overlapping occurrences
+ * of search replaced with replacement.
+ */
+ def replace(str: String, search: String, replacement: String): String = {
Review comment:
The `replace()` method has been provided in
`org.apache.calcite.runtime.SqlFunctions`.
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> Add replace supported in TableAPI and SQL
> -----------------------------------------
>
> Key: FLINK-10145
> URL: https://issues.apache.org/jira/browse/FLINK-10145
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Guibo Pan
> Assignee: Guibo Pan
> Priority: Major
> Labels: pull-request-available
>
> replace is an useful function for String.
> for example:
> {code:java}
> select replace("Hello World", "World", "Flink") // return "Hello Flink"
> select replace("ababab", "abab", "z") // return "zab"
> {code}
> It is supported as a UDF in Hive, more details please see[1]
> [1]:
> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-StringFunctions
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