Github user liuyu000 commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/1309#discussion_r152715017
--- Diff:
docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc ---
@@ -2297,19 +2297,22 @@ DATEADD(DAY, 7, timestamp'2008-02-29 00:00:00')
== DATEDIFF Function
The DATEDIFF function returns the integer value for the number of
-_datepart_ units of time between _startdate_ and _enddate_. If
-_enddate_ precedes _startdate_, the return value is negative or zero.
+_datepart_ units of time between _startdate_ and _enddate_.
DATEDIFF is a {project-name} SQL extension.
```
DATEDIFF (datepart, startdate, enddate)
```
+<<<
+[[syntax_description_of_datediff]]
+=== Syntax Description of DATEDIFF
+
* `datepart`
+
is YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, QUARTER, WEEK, or one of the
-following abbreviations:
+following abbreviations, should be enclosed in quotation marks:
--- End diff --
Thanks Dave, for pointing out this mistake, I've corrected. :)
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