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Posted to issues@drill.apache.org by "Chun Chang (JIRA)" <ji...@apache.org> on 2014/06/19 00:14:26 UTC
[jira] [Created] (DRILL-1019) decimal multiplication between
decimal9 and decimal38 place decimal point wrong
Chun Chang created DRILL-1019:
---------------------------------
Summary: 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: Mehant Baid
#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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