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numbers on compact

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  • Barry Shadduck
    replied
    RE: numbers on compact

    Thanks Peter, I was afraid it might be something like that,
    guess I'll just live (or die) with it. Grumble, grumble.

    Leave a comment:


  • Peter.Greulich
    replied
    RE: numbers on compact

    The trick to do that is to create a new record with xbasic, but don't add any data. Then fetch that blank record. You may have to modify your field rules though, to get this to work logically for you. Another more complex method is to use a form with only variables - then save those values to the table.

    Peter

    Leave a comment:


  • Barry Shadduck
    replied
    RE: numbers on compact

    Hello Ken,
    Searched for "clear a form" and found your remark, can
    you share with me your technique for clearing a form?

    I have a method in place for a very simple add-mode-only
    form, but can't get the same principle to work on a more
    complicated form (this form has change-mode, and add-mode
    going on simultaneously) via a one to many situation where
    the (one) is a master of sorts that must be "looked-up" and
    displayed before child (many) can be added. The master
    is subject to changes, but the children will usually be added. This is a form with an embedded browse for the child records.

    Would like to start the form with all (one)or (master) info
    blank, but it seems that good ol a5 wants to assist me by
    dropping the first record that it finds onto my form, even
    before I begin a look-up.

    I'm sure there is plenty of information on this forum on the subject, but can't seem to find it.

    Advance thanks to you, and all potential repliers.

    Leave a comment:


  • Stan Mathews
    replied
    RE: numbers on compact

    I you want to test my theory, duplicate one of your larger tables to your application directory, create several index tags, create a new "code" script containing the following:

    ''XBasic
    error = .F.
    on error goto error_msg
    tbl = table.open("c.dbf",FILE_RW_EXCLUSIVE)
    name=tbl.name_get()
    if .not. error
    tbl.pack()
    ui_msg_box("Finished","C.dbf has been packed.")
    end if
    tbl.close()
    END

    error_msg:
    errnum = error_code_get()
    err = str(error_code_get())
    ermsg = error_text_get()
    SELECT
    CASE errnum = 1000

    CASE errnum = 1002

    CASE else
    ''ui_msg_box("Error",ermsg+" "+err+" "+name,UI_ATTENTION_SYMBOL)
    ui_msg_box("Error","The following was in use or missing "+name,UI_ATTENTION_SYMBOL)
    error = .T.
    resume next
    END SELECT

    END

    Change the "c.dbf" above to the table you have duplicated. When the script is run and finished, wait a few seconds and you should see numbers in the status bar representing the number of records processed for each of the indexes. IOW if you have seven records and 4 indexes, in the table in question, you should see 7 7 7 7 in the status bar.

    When you compact the information is overwritten for each table processes, of course. I know Alpha doesn't use alphabetical order for table processing during compact. I'll investigate and see if I can figure that out.

    Stan

    Leave a comment:


  • Ken L Herrold
    replied
    RE: numbers on compact

    Russ:

    I tend to agree with Stan. I frequently compact to see if I've written code sufficient to clear a form or be sure to have unloaded a table. It's got to be indexes or something like that. For instance, I have a single table on a new project and it has 4 records and 1 index. When it compacts I can see a '1' and a '4' blink by.

    Mmmmmmmmm....... Stan might be on to something, Eh?

    Ken the newbie.

    Leave a comment:


  • russ Boehle
    replied
    RE: numbers on compact

    thanks Stan
    You might be right, but most of my dbf's are a lot more than 7 or 20 records. The last one (if compacted alphabetically, which is how they are displayed) is a zipcode dbf with about 45000 records. I guess it doesn't really matter, I was just curious.

    Russ

    Leave a comment:


  • Stan Mathews
    replied
    RE: numbers on compact

    Russ,

    This is just based on observation. I believe the numbers represent index tags processed and records processed/(records before pack, after pack). The order in which the tables are processed is beyond me. A change in the order might yield different final numbers in the status bar.

    Leave a comment:


  • russ Boehle
    started a topic numbers on compact

    numbers on compact

    Stupid question # 39467
    On doing a database compact, what do the numbers on the status line refer to?
    I have 51 dbf's
    I did a compact and on the status line was "20 20"
    I did it again and it changed to "7"

    I have no idea what it is, anyone know?

    Russ
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