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MySQL -- [nativecode=1271 ** Illegal mix of collations for operation 'concat']

Posted on 2010-11-23
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Last Modified: 2013-12-12
I have a large query in which I'm getting this error.

The weird thing is that the error occurs when my PHP grid component passes the query, but not when I paste the query into the MySQL command line.

And all my tables have the same collation, though not all use the same engine.

mysql> Select TAble_Name, Table_Collation, Engine from TABLES Where TABLE_SCHEMA        = 'wb_dev';
+-----------------------+-------------------+--------+
| TAble_Name            | Table_Collation   | Engine |
+-----------------------+-------------------+--------+
| wt_CompanySettings    | latin1_swedish_ci | MyISAM |
| wt_Expectation        | latin1_swedish_ci | MyISAM |
| wt_ExperienceLevel    | latin1_swedish_ci | MyISAM |
| wt_Login              | latin1_swedish_ci | MyISAM |
| wt_PaymentAgreement   | latin1_swedish_ci | InnoDB |
| wt_PerformanceLevel   | latin1_swedish_ci | MyISAM |
| wt_Settings           | latin1_swedish_ci | MyISAM |
| wt_URCriterion        | latin1_swedish_ci | InnoDB |
| wt_UserHistory        | latin1_swedish_ci | InnoDB |
| wt_UserReport         | latin1_swedish_ci | InnoDB |
| wt_UserSettings       | latin1_swedish_ci | MyISAM |
| wt_bulletin_alerts    | latin1_swedish_ci | MyISAM |
| wt_collectors         | NULL              | NULL   |
| wt_monthlynumber      | latin1_swedish_ci | InnoDB |
| wt_paymenttypes       | latin1_swedish_ci | InnoDB |
| wt_postpaymententries | latin1_swedish_ci | InnoDB |
| wt_tbldata            | latin1_swedish_ci | InnoDB |
| wt_tblhistory         | latin1_swedish_ci | InnoDB |
| wt_teams              | latin1_swedish_ci | InnoDB |
| wt_usertyes           | latin1_swedish_ci | InnoDB |
+-----------------------+-------------------+--------+
20 rows in set (0.64 sec)

Any idea where I'm going wrong?

Thanks!
select 'Daily Production' as Category, 
  Concat('<div style="background-color:',Color,';">$' , Format(Value, 2),'</div>') as Value , 
  Concat('$' ,Format(Office , 2)) as Office , 
  Concat('$' ,Format(Amount, 2)) as Expectation , 
  0 as DARTME 
FROM (Select PL.Color, PL.Performance, Value, Office, X.Amount 
FROM ( Select sum( Case When U.userName = 'APAY' Then ppe.Amount else 0 End) / (17) as Value, 
sum(ppe.Amount) / (17) / 36 as Office 
from wt_postpaymententries ppe Inner Join wt_PaymentAgreement PA on ppe.AgreementID = PA.AgreementID Inner Join wt_collectors U on U.ID = PA.CollectorID 
WHERE Month(PA.EntryDate) = Month('2010-11-22') and Year(PA.EntryDate) = Year('2010-11-22') 
) V Inner Join wt_collectors U on U.UserName = 'APAY' INNER JOIN wt_Expectation X on X.Experience = U.Experience AND X.Category='Daily' INNER JOIN wt_PerformanceLevel PL on V.Value >= PL.MinPercent * X.Amount 
Order by PL.MinPercent desc Limit 1 )G

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Question by:Daniel Wilson
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2 Comments
 
LVL 32

Author Comment

by:Daniel Wilson
ID: 34198191
Pulling the HTML out of the CONCAT ...
select 'Daily Production' as Category, Concat(Color,' $' , Format(Value, 2)) as Value ...
gives me a more explicit error message:
[nativecode=1270 ** Illegal mix of collations (latin1_swedish_ci,IMPLICIT), (utf8_unicode_ci,COERCIBLE), (utf8_unicode_ci,COERCIBLE) for operation 'concat']
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Accepted Solution

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Daniel Wilson earned 0 total points
ID: 34198231
Looks like CONVERT will get it for me:
select 'Daily Production' as Category, Concat(Convert(Color USING utf8),' $' , Format(Value, 2)) as Value
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