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  1. MariaDB ColumnStore
  2. MCOL-4607

SEC_TO_TIME(wideDecimal) returns 0 in DECIMAL context

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    Description

      DROP TABLE IF EXISTS t1;
      		 
      CREATE TABLE t1 (a DECIMAL(30,1)) ENGINE=ColumnStore;
      		 
      INSERT INTO t1 VALUES (1);
      		 
      SELECT SEC_TO_TIME(a), SEC_TO_TIME(a)+0.0 FROM t1;


      +----------------+--------------------+
      		 
      | SEC_TO_TIME(a) | SEC_TO_TIME(a)+0.0 |
      		 
      +----------------+--------------------+
      		 
      | 00:00:01.0     |                0.0 |
      		 
      +----------------+--------------------+

      Notice, SEC_TO_TIME(a) per se returned a correct result, but when I further put it into a DECIMAL plus operation, it returned 0.

      The expected result is:

      DROP TABLE IF EXISTS t1;
      		 
      CREATE TABLE t1 (a DECIMAL(30,1)) ENGINE=InnoDB;
      		 
      INSERT INTO t1 VALUES (1);
      		 
      SELECT SEC_TO_TIME(a), SEC_TO_TIME(a)+0.0 FROM t1;


      +----------------+--------------------+
      		 
      | SEC_TO_TIME(a) | SEC_TO_TIME(a)+0.0 |
      		 
      +----------------+--------------------+
      		 
      | 00:00:01.0     |                1.0 |
      		 
      +----------------+--------------------+

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          relates to

          Task - A task that needs to be done. MCOL-4361 Replace pow(10.0, (double)scale) expressions with a static dictionary lookup.

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          New Feature - A new feature of the product, which has yet to be developed. MCOL-641 Full DECIMAL support in ColumnStore

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MCOL-4651 SEC_TO_TIME(hugePositiveDecimal) returns a negative time

          • Major - Major loss of function.
          • Closed

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              Unassigned Unassigned
              bar Alexander Barkov
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                Created:
                Updated:

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