sql/hive/src/test/resources/golden/udf_datediff-1-34ae7a68b13c2bc9a89f61acf2edd4c5


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datediff(date1, date2) - Returns the number of days between date1 and date2
date1 and date2 are strings in the format 'yyyy-MM-dd HH:mm:ss' or 'yyyy-MM-dd'. The time parts are ignored.If date1 is earlier than date2, the result is negative.
Example:
   > SELECT datediff('2009-07-30', '2009-07-31') FROM src LIMIT 1;
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