LiShuMing commented on a change in pull request #1401: [CALCITE-3280] Add
regexp_replace function (Shuming Li)
URL: https://github.com/apache/calcite/pull/1401#discussion_r316542621
##########
File path:
core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java
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@@ -313,6 +313,16 @@ private SqlLibraryOperators() {
OperandTypes.INTEGER,
SqlFunctionCategory.STRING);
+ @LibraryOperator(libraries = {MYSQL, POSTGRESQL, ORACLE})
+ public static final SqlFunction REGEXP_REPLACE =
+ new SqlFunction("REGEXP_REPLACE",
+ SqlKind.OTHER_FUNCTION,
+ ReturnTypes.cascade(ReturnTypes.explicit(SqlTypeName.VARCHAR),
+ SqlTypeTransforms.TO_NULLABLE),
Review comment:
Hi @danny0405 , Thanks for your replies. I have reviewed [other
databases'](https://issues.apache.org/jira/browse/CALCITE-3280?focusedCommentId=16913081&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16913081)
usage about `regexp_replace`. Maybe there is a final answer about this
question.
Do you think we should support this? I can work for it If it's needed.
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