[jira] [Created] (IGNITE-26246) Sql. Date/Time. CAST to VARCHAR does not preserve trailing zeros

[Maksim Zhuravkov (Jira)]

Maksim Zhuravkov created IGNITE-26246:
-----------------------------------------

             Summary: Sql. Date/Time. CAST to VARCHAR does not preserve 
trailing zeros
                 Key: IGNITE-26246
                 URL: https://issues.apache.org/jira/browse/IGNITE-26246
             Project: Ignite
          Issue Type: Bug
          Components: sql ai3
    Affects Versions: 3.0
            Reporter: Maksim Zhuravkov


CAST to VARCHAR does not preserve trailing zeros that behaviour was introduced 
in https://issues.apache.org/jira/browse/IGNITE-24934 and it does  
{code:java}
      sql("CREATE TABLE t (id INT, val TIME(3), PRIMARY KEY (id))");
        sql("INSERT INTO t VALUES (1, TIME '10:12:13.100')");
        assertQuery("SELECT CAST (val AS VARCHAR), CAST(val AS VARCHAR FORMAT 
'hh24:Mi:ss.FF2') FROM t")
                .returns("10:12:13.10", "10:12:13.10")
                .check();
{code}

Returns an error:

{noformat}
org.opentest4j.AssertionFailedError: Collections are not equal (position 0):
Expected: 10:12:13.10 <class java.lang.String>
Actual:   10:12:13.1 <class java.lang.String>
{noformat}

This issue may affect TIMESTAMP/TIMESTAMP_LTZ as well.

There is a separate issue when intermediate CAST operation is lost 
(https://issues.apache.org/jira/browse/IGNITE-26242)




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