You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@drill.apache.org by "david_hudavy (JIRA)" <ji...@apache.org> on 2016/01/21 03:21:39 UTC

[jira] [Commented] (DRILL-4290) Run select count(1) from mysql.user,it throws error.Error: PARSE ERROR: Encountered ". user" at line 1

    [ https://issues.apache.org/jira/browse/DRILL-4290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15109918#comment-15109918 ] 

david_hudavy commented on DRILL-4290:
-------------------------------------

except User is a reserved word,are there any other reserved words?

> Run select count(1) from mysql.user,it throws error.Error: PARSE ERROR: Encountered ". user" at line 1
> ------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-4290
>                 URL: https://issues.apache.org/jira/browse/DRILL-4290
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.4.0
>         Environment: drill1.4
>            Reporter: david_hudavy
>
> I have performing some select commands tests of drill.
> Test case 1:  user is mysql table, it is error. 
> 0: jdbc:drill:zk=SC-1:6181,SC-2:6181,PL-3:618> select count(1) from mysql.user;
> Error: PARSE ERROR: Encountered ". user" at line 1, column 32.
> Was expecting one of:
>     <EOF>
>     "ORDER" ...
> while parsing SQL query:
> select count(1) from mysql.user
>                                ^
> [Error Id: 484485a4-6e0a-45cd-892a-099236319109 on SC-1:31010] (state=,code=0)
> Test case 2:  user is mysql table, i add ` on user table. it is right. 
> 0: jdbc:drill:zk=SC-1:6181,SC-2:6181,PL-3:618> select count(1) from mysql.`user`;
> +---------+
> | EXPR$0  |
> +---------+
> | 2       |
> +---------+
> 1 row selected (0.179 seconds)
> Test case 3: other mysql table,i don't add ' on the table,but it is right.
> 0: jdbc:drill:zk=SC-1:6181,SC-2:6181,PL-3:618> select count(1) from mysql.event;
> +---------+
> | EXPR$0  |
> +---------+
> | 0       |
> +---------+
> 1 row selected (0.128 seconds)
> 0: jdbc:drill:zk=SC-1:6181,SC-2:6181,PL-3:618> select * from performance_schema.users;
> +-------+----------------------+--------------------+
> | USER  | CURRENT_CONNECTIONS  | TOTAL_CONNECTIONS  |
> +-------+----------------------+--------------------+
> | null  | 18                   | 24                 |
> | root  | 5                    | 130                |
> +-------+----------------------+--------------------+
> 2 rows selected (0.117 seconds)



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)