Technay commented on a change in pull request #1544: [CALCITE-3415] Supports
REGEXP_SUBSTR function
URL: https://github.com/apache/calcite/pull/1544#discussion_r341040725
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File path:
core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
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@@ -1762,6 +1762,8 @@ public SqlSyntax getSyntax() {
public static final SqlFunction NULLIF = new SqlNullifFunction();
+ public static final SqlFunction REGEXP_SUBSTR = new
SqlRegexpSubstrFunction();
+
Review comment:
As mentioned before
https://issues.apache.org/jira/browse/CALCITE-3415?focusedCommentId=16952641&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16952641,
it is present in most of the major dialects such as MySql, Oracle, Teradata.
Kindly let me know your thoughts on whether it should be added to
SqlStdOperatorTable or not?
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