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Group By missing or invalid?
Message
From
29/11/2005 14:10:16
 
 
To
29/11/2005 14:06:20
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 8 SP1
OS:
Windows 2000 SP4
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01072942
Message ID:
01072946
Views:
18
This message has been marked as the solution to the initial question of the thread.
>I get the above message with the following sql statement:
>
>
>  SELECT MAX(trackrcd.date), ALLTRIM(trackrcd.t_s_num) FROM trackrcd ;
>	WHERE ALLTRIM(trackrcd.client_id) == thisform.idclient AND;
>	ALLTRIM(trackrcd.prjt_num) == thisform.idproj AND ;
>	ALLTRIM(trackrcd.task_num) == thisform.idtask ;
>	INTO ARRAY datearray
>
>
>Anyone know why? This is not a group by situation.


Because of MAX()
Aggregate functions require grouping. Would not make sense otherwise (ANSI).

Also, returning ALLTRIM(trackrcd.t_s_num) may give you incomplete results as VFP will return a field length based on the length of the first item found. Try PADding it or in VFP9 using CAST().


Alex Feldstein, MCP, Microsoft MVP
VFP Tips: English - Spanish
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