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From "Mehant Baid (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1019) decimal multiplication between decimal9 and decimal38 place decimal point wrong
Date Fri, 20 Jun 2014 01:22:25 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mehant Baid updated DRILL-1019:
-------------------------------

    Attachment: DRILL-1019.patch

> decimal multiplication between decimal9 and decimal38 place decimal point wrong
> -------------------------------------------------------------------------------
>
>                 Key: DRILL-1019
>                 URL: https://issues.apache.org/jira/browse/DRILL-1019
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Drill
>            Reporter: Chun Chang
>            Assignee: Yash Sharma
>         Attachments: DRILL-1019.patch
>
>
> #Wed Jun 18 10:27:23 PDT 2014
> git.commit.id.abbrev=894037a
> Multiplying decimal9 with decimal38 produce wrong result - decimal point position is
placed wrong.
> postgres:
> foodmart=# select c_row, cast(c_decimal9 as decimal(9,5)), cast(c_decimal38 as decimal(38,18)),
cast(c_decimal9 as decimal(9,5)) * cast(c_decimal38 as decimal(38,18)) from data where c_row
> 8 and c_row < 14;
>  c_row | c_decimal9  |              c_decimal38               |                   ?column?
> -------+-------------+----------------------------------------+-----------------------------------------------
>      9 | -9876.54321 |           123456789.123456789000000000 |        -1219326312345.67900112635269000000000
>     10 |   123.45000 |  999999999999999999.000000000000000000 | 123449999999999999876.55000000000000000000000
>     11 |   -54.32100 | -999999999999999999.000000000000000000 |  54320999999999999945.67900000000000000000000
>     12 |   100.00600 |                   0.000000000000000010 |                     0.00000000000000100006000
>     13 |    -1.00006 |                  -0.000000000000000010 |                     0.00000000000000001000060
> (5 rows)
> Drill:
> 0: jdbc:drill:schema=dfs> select c_row, cast(c_decimal9 as decimal(9,5)), cast(c_decimal38
as decimal(38,18)), cast(c_decimal9 as decimal(9,5)) * cast(c_decimal38 as decimal(38,18))
from data where c_row > 8 and c_row < 14;
> +------------+------------+------------+------------+
> |   c_row    |   EXPR$1   |   EXPR$2   |   EXPR$3   |
> +------------+------------+------------+------------+
> | 9          | -9876.54321 | 123456789.123456789000000000 | -1219326312345679001126.35269000000000
|
> | 10         | 123.45000  | 999999999999999999.000000000000000000 | 123449999999999999876550000000.00000000000000
|
> | 11         | -54.32100  | -999999999999999999.000000000000000000 | 54320999999999999945679000000.00000000000000
|
> | 12         | 100.00600  | 1.0E-17    | 0.00000100006000 |
> | 13         | -1.00006   | -1.0E-17   | 1.000060E-8 |
> +------------+------------+------------+------------+
> 5 rows selected (0.367 seconds)



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