[FX.php List] Database table modification
Gjermund Gusland Thorsen
ggt667 at gmail.com
Thu May 13 04:06:38 MDT 2010
Please make a 1 to 1 related table with the calc fields and see if it
speeds up the process.
ggt
2010/5/13 Tim 'Webko' Booth <tim at nicheit.com.au>:
>
> On 13/05/2010, at 2:06 AM, Duncan, Blair wrote:
>
> Just as a followup...
>
> My hacky solution although a bit faster still takes an incredibly long time
> 10 seconds or so to process, which is far too long - just to determine if a
> table has been modified.
>
> Here is where I am at:
> I have a table with about 15,000 records, the table has about 80 fields 3/4
> of which are unstored calcfields.
> Accessed through a layout that contains a single autoentered
> modifiedtimestamp field.
>
> I also have another table similar to the one above above.
>
> In PHP, I call a preFindScript that goes to each layout, sorts on the
> modified timestamp field and goes the last record.
> Comparing the timestamp and record count with a pre-recorded timestamp and
> record count enable me to determine if the table has been modified.
> Sorting seems to take the time which I thought that since the field is
> indexed would be much quicker.
>
> The larger the set, the longer the sort time - if you are fairly sure that
> *something* should have been modified in the last (24 hours / 2 days / week)
> - perform a find and sort on the results...
> Cheers
> Webko
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