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Help required creating a report

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  • Tom Cone Jr
    replied
    RE: Help required creating a report

    Graham,

    Your approach is doing 80 calculations on each record. 40 to determine the current value of each calc field. 40 to update the running totals for each.

    -- tom

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report

    BTW, where did field C2 come from? In your original post you said you needed only two fields, C1 and AS.

    Adds a level of complexity. May require two passes through the data. Is there some way you can move the values from C1 and C2 fields into a single third field? If so, we could group on it, and get the counts quickly.

    -- tom

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report

    Perhaps I'm misunderstanding, but I don't think you have to do all that just to get a count, if you group the report on the desired field. It's possible to easily get a total count of the number of items in each group. You wouldn't have to run 20 calcs on each record, which is what's happening now.

    Can you post a small data set, please?

    Should be easy to show you what I'm trying (ineptly) to describe.

    -- tom

    Leave a comment:

  • Graham Wickens
    replied
    RE: Help required creating a report

    I set up the following calculated fields:

    c1c = if(c1="C",1,0)
    c1ct = total(calc>c1c,grp->grand)
    and similar ones for values "G","H","M","P","R","S","W".
    c2aj = if(c2="AJ",1,0)
    c2ajt = total(calc->c2aj,grand->group)
    and again similar ones for values "AP,"AT","BJ","BP","BT","FJ,"FP","FT","G1","G2,"G3","GM","GT","HJ","HP","HT","TJ,"TP","TT","UP","UT","UJ","CP","CJ","CT","WT,"WP","WJ","XJ","XP","XT","XH","XV".

    put them all in the report footer (no details).

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report


    Graham, I'd expect the approach I outlined to take about as long as it takes to read all the records (one time). If you're on a slow network, or the records are very large, it may take a while, but 20 minutes sounds extreme.

    -- tom

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report

    If it were me, I'd build an index on the C1 field, and then group my report on the C1 field. The report would not have a detail band. New calc/summary fields would be defined in the group footer, showing the counts for qualifying records in each group.

    -- tom

    Leave a comment:

  • Graham Wickens
    replied
    RE: Help required creating a report

    The file has 374,447 + records and the report is just a simple total of each value for C2.

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report

    Twenty minutes ! Surely we can do better than that.

    What aren't you telling us about the size of your file, or the complexity of your report layout?

    Any chance you could post it here?

    -- tom c

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report

    Did you try grouping the report on the C1 field ? This would be another, possibly faster, way to get totals for each group.

    -- tom c

    Leave a comment:

  • Graham Wickens
    replied
    RE: Help required creating a report

    Toms way worked ... after 20 minutes, my poor little 333Mhz Processor tries very hard!

    Leave a comment:

  • Graham Wickens
    replied
    RE: Help required creating a report

    Toms way worked ... after 20 minutes, my poor little 333Mhz Processor tries very hard!

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report

    Graham,

    Tom Patten's approach is the way most seem to prefer. Have you tried it?

    -- tom c

    Leave a comment:

  • Graham Wickens
    replied
    RE: Help required creating a report

    I tried it usung the way suggested, and it worked (but only after running for 20 minutes!). Out of curiosity I also tried ussing crossref to creat same figures, it workd of sortes and only took 8 minutes. Input parameters for the crosstab where as follows:

    Fields Summerization
    C2 Group by Row
    C1 Group by Column
    Identity Count

    but instead a getting one row for all values of c1, in four cases I got 2 rows for two different values of C1, i 2 cases I got two rows of c1 valeus and lastly 14 rows of values of C1. Can someexplain what is happening. My quess is that there could be a problem with the undelying Table (non of which I can find).Attached is a csv file of the results of the crosstab. Can anyhelp sort this out for me?

    Graham

    Leave a comment:

  • Tom Cone Jr
    replied
    RE: Help required creating a report

    Graham,

    The crosstab operation is discussed in Ch. 13 of the User's Guide. I don't have experience using it, but it sounds like it might be work in your situation. It looks like you'd have to do two separate crosstab operations, one for each field of interest. Each operation would generate a separate result table, so you'd wind up with two tables that would then have to be processed further to produce a single report. Would be an interesting exercise but I think Tom's suggestion is easier.

    -- Tom Cone

    Leave a comment:

  • Graham Wickens
    replied
    RE: Help required creating a report

    is it possible to do this using crosstabs? If so how as I have never used this operation?

    Leave a comment:

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