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https://issues.apache.org/jira/browse/TRAFODION-2355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15687388#comment-15687388
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ASF GitHub Bot commented on TRAFODION-2355:
-------------------------------------------
Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/837#discussion_r89171350
--- Diff:
docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc ---
@@ -4209,6 +4397,38 @@ SELECT MAX (salary) FROM persnl.employee;
```
<<<
+[[md5_function]]
+== MD5 Function
+
+Calculates an MD5 128-bit checksum for the string. The value is returned
+as a string of 32 hexadecimal digits, or NULL if the argument was NULL.
+
+```
+MD5( _expression_)
+```
+* `_expression_`
++
+specifies an expression that determines the values to include in the
--- End diff --
Similar comment as before.
> document about IP address functions and hashing functions
> ---------------------------------------------------------
>
> Key: TRAFODION-2355
> URL: https://issues.apache.org/jira/browse/TRAFODION-2355
> Project: Apache Trafodion
> Issue Type: Documentation
> Reporter: liu ming
> Assignee: liu ming
> Priority: Minor
>
> Some new built-in functions were added, and need document.
> MD5
> CRC32
> SHA1
> SHA2
> IS_IPV4
> IS_IPV6
> INET_ATON
> INET_NTOA
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