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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-6020) Issue a clearer syntax error message for use of LIKE with a numeric column
Date Wed, 19 Dec 2012 21:17:12 GMT
Bryan Pendleton created DERBY-6020:
--------------------------------------

             Summary: Issue a clearer syntax error message for use of LIKE with a numeric
column
                 Key: DERBY-6020
                 URL: https://issues.apache.org/jira/browse/DERBY-6020
             Project: Derby
          Issue Type: Improvement
    Affects Versions: 10.9.1.0
            Reporter: Bryan Pendleton


I tried to use 'LIKE' with a numeric column, and the message was quite confusing:

ij version 10.9
ij> connect 'jdbc:derby:brydb;create=true';
WARNING 01J01: Database 'brydb' not created, connection made to existing database instead.
ij> drop table bry;
0 rows inserted/updated/deleted
ij> CREATE TABLE bry( col1 varchar(10), JOBNUMBER INTEGER default 0);
0 rows inserted/updated/deleted
ij> select * from bry where col1 like '%' or JobNumber like '%';
ERROR 42884: No authorized routine named 'LIKE' of type 'FUNCTION' having compatible arguments
was found.
ij> quit;


It would have been much easier to diagnose my problem if the message had said something like:

ERROR xxxxx: Operator 'LIKE' must be used with a character expression, but argument 'JobNumber'
is of type 'INTEGER'



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