[jira] [Created] (SPARK-51423) Add the current_time() function

["Max Gekk (Jira)" <ji...@apache.org>]

Max Gekk created SPARK-51423:
--------------------------------

             Summary: Add the current_time() function
                 Key: SPARK-51423
                 URL: https://issues.apache.org/jira/browse/SPARK-51423
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 4.1.0
            Reporter: Max Gekk


Add new function current_time() which returns the current time at the start of query evaluation.

h4. Syntax

{code:sql}
current_time([n])
{code}

h4. Arguments
n: An integer literal defining the precision of the time between 0 and 6. The default is 6.
h4. Returns
A TIME(n).

The braces are optional.

h4. Examples

{code:sql}
> SELECT current_time();
 15:49:11.914120
> SELECT current_time;
 15:49:11.915564
> SELECT current_time(0);
 15:49:11
{code}





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