Maybe the result length of the GROUP BY is longer than 120 char?  That's the
maximum key length in an index, which VFP uses to sort the intermediate
results.


wOOdy


-----Ursprüngliche Nachricht-----
Von: ProFox <[email protected]> Im Auftrag von Paul Newton
Gesendet: Donnerstag, 21. Februar 2019 15:51
An: '[email protected]' <[email protected]>
Betreff: Error building sort key (Error 2186)

Hi all

According to the help:
This error is generated when sort key truncation is about to occur,
typically during GROUP BY, ORDER BY or other sorting operations. This can
happen with use of a sort key that contains an expression, such as a Memo
field, whose length is not fixed.

The problem manifests itself when executing the following SQL (sorry about
the length of the statement):

Select Str(Nh_Year,4,0) + Str(Nh_Period,2,0)+ Transform(NH_YEAR) +
Transform(NH_NACNT) + Transform(NH_PERIOD) As Key, ; Nh_Year,
Nh_Period,Str(Nh_Year,4,0) + '/' + Str(Nh_Period,2,0)  As
YearPeriod,Nh_NType, Nh_NSubt, Nh_Nacnt, Nh_NCntr, ; Nh_Job, Nh_Project,
Sum(Nh_PtdDr) As Nh_PtdDr, -1 * Sum(Nh_PtdCr) As Nh_PtdCr, Sum(Nh_Bal) As
Nh_Bal,Sum(NH_BUDG) As Nh_Budg, ;
999999999999.99 As Variance, 999999999999.99 As YTDBal, 999999999999.99 As
YTDBudg, 999999999999.99 As YTDVar ;
>From NHist Where NH_YEAR >= 2019 And NH_YEAR <= 2019 And NH_PERIOD >= 1 
>And NH_PERIOD <= 3 And NH_YEAR = 2019 ;
And NH_NACNT = 'A110    ' And NH_PERIOD = 1  And Nh_RecType = 1  ;
Group By Key Union Select Str(Nh_Year,4,0) + Str(Nh_Period,2,0)+
Transform(NH_YEAR) + Transform(NH_NACNT) + Transform(NH_PERIOD) As Key, ;
Nh_Year, Nh_Period,Str(Nh_Year,4,0) + '/' + Str(Nh_Period,2,0)  As
YearPeriod,; Nh_NType, Nh_NSubt, Nh_Nacnt, Nh_NCntr, Nh_Job, Nh_Project,
Sum(Nh_PtdDr) As Nh_PtdDr, -1 * Sum(Nh_PtdCr) As Nh_PtdCr, ;
Sum(Nh_Bal) As Nh_Bal,Sum(NH_BUDG) As Nh_Budg, 999999999999.99 As Variance,
999999999999.99 As YTDBal, ;
999999999999.99 As YTDBudg, 999999999999.99 As YTDVar From NHist Where
NH_YEAR >= 2019 And NH_YEAR <= 2019 ;
And NH_PERIOD >= 1 And NH_PERIOD <= 3 And NH_NACNT = 'A110    ' And
Empty(NH_JOB) And  Empty(NH_PROJECT) ;
And  Empty(NH_NCNTR) And Inlist(Nh_RecType,2,3)  Group By Key  InTo Cursor
_5F50SKUYV

Now I know this is a fairly complex query but it does not contain any
columns whose length is not fixed.  I wonder if anybody has come across this
error before.  I have had to resort to completely rewriting the code that
generates the SQL statement.

Many thanks

Paul Newton

[excessive quoting removed by server]

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