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From "Khurram Faraaz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4862) wrong results - use of convert_from(binary_string(key),'UTF8') in filter results in wrong results
Date Fri, 26 Aug 2016 06:29:20 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15438542#comment-15438542
] 

Khurram Faraaz commented on DRILL-4862:
---------------------------------------

This test also returns wrong results, adding it here now, so that test gets added once the
issue is fixed.

{noformat}
0: jdbc:drill:schema=dfs.tmp> select key,convert_from(binary_string(key),'UTF8') from `f1.json`;
+-------------------+---------+
|        key        | EXPR$1  |
+-------------------+---------+
| 0123\x31\x32\x33  | 0123    |
| 4567\x35\x36\x37  | 4567    |
| 8901\x39\x30\x31  | 8901    |
| 0000\x30\x30\x30  | 0000    |
| 1111\x31\x31\x31  | 1111    |
| 5555\x35\x35\x35  | 5555    |
| 8888\x38\x38\x38  | 8888    |
| 9999\x39\x39\x39  | 9999    |
| ABCD\x42\x43\x44  | ABCD    |
| EFGH\x46\x47\x48  | EFGH    |
| IADF\x41\x44\x46  | IADF    |
| JKLM\x4b\x4c\x4d  | JKLM    |
| WXYZ\x58\x59\x5a  | WXYZ    |
| NOPQ\x4f\x50\x51  | NOPQ    |
| FFFF  | FFFF    |
+-------------------+---------+
15 rows selected (2.674 seconds)
{noformat}

> wrong results - use of convert_from(binary_string(key),'UTF8') in filter results in wrong
results
> -------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-4862
>                 URL: https://issues.apache.org/jira/browse/DRILL-4862
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>    Affects Versions: 1.8.0
>         Environment: 4 node cluster CentOS
>            Reporter: Khurram Faraaz
>
> These results do not look right, i.e when the predicate has convert_from(binary_string(key),'UTF8')
> Apache drill 1.8.0-SNAPSHOT git commit ID: 57dc9f43
> {noformat}
> [root@centos-0x drill4478]# cat f1.json
> {"key":"\\x30\\x31\\x32\\x33"}
> {"key":"\\x34\\x35\\x36\\x37"}
> {"key":"\\x38\\x39\\x30\\x31"}
> {"key":"\\x30\\x30\\x30\\x30"}
> {"key":"\\x31\\x31\\x31\\x31"}
> {"key":"\\x35\\x35\\x35\\x35"}
> {"key":"\\x38\\x38\\x38\\x38"}
> {"key":"\\x39\\x39\\x39\\x39"}
> {"key":"\\x41\\x42\\x43\\x44"}
> {"key":"\\x45\\x46\\x47\\x48"}
> {"key":"\\x49\\x41\\x44\\x46"}
> {"key":"\\x4a\\x4b\\x4c\\x4d"}
> {"key":"\\x57\\x58\\x59\\x5a"}
> {"key":"\\x4e\\x4f\\x50\\x51"}
> {"key":"\\x46\\x46\\x46\\x46"}
> {noformat}
> results without the predicate - these are correct results
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> select convert_from(binary_string(key),'UTF8') from
`f1.json`;
> +---------+
> | EXPR$0  |
> +---------+
> | 0123    |
> | 4567    |
> | 8901    |
> | 0000    |
> | 1111    |
> | 5555    |
> | 8888    |
> | 9999    |
> | ABCD    |
> | EFGH    |
> | IADF    |
> | JKLM    |
> | WXYZ    |
> | NOPQ    |
> | FFFF    |
> +---------+
> 15 rows selected (0.256 seconds)
> {noformat}
> results with a predicate - these results don't look correct
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> select convert_from(binary_string(key),'UTF8') from
`f1.json` where convert_from(binary_string(key),'UTF8') is not null;
> +----------+
> |  EXPR$0  |
> +----------+
> | 0123123  |
> | 4567567  |
> | 8901901  |
> | 0000000  |
> | 1111111  |
> | 5555555  |
> | 8888888  |
> | 9999999  |
> | ABCDBCD  |
> | EFGHFGH  |
> | IADFADF  |
> | JKLMKLM  |
> | WXYZXYZ  |
> | NOPQOPQ  |
> | FFFFFFF  |
> +----------+
> 15 rows selected (0.279 seconds)
> {noformat}



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