But now another issue is coming up: If I increase the number of
records to 40,000 population of records slows down after about
10,000 records, speeds up again, and comes to an apparant
stand-still for 32900 records. After waiting some time the record
counter (which is incremented in steps of
Am 27.03.2017 um 10:59 schrieb LacaK via Lazarus:
But now another issue is coming up: If I increase the number of
records to 40,000 population of records slows down after about 10,000
records, speeds up again, and comes to an apparant stand-still for
32900 records. After waiting some time the
Try call FExportDataset.MergeChangeLog before:
WriteLn('Saving...');
Does anything in your timing changed ?
Ah - that's it. TBufDataset saves the records instantly now. Probably,
this should go into the official wiki site for TBufDataset.
But now another issue is coming up: If I
Am 27.03.2017 um 10:13 schrieb LacaK via Lazarus:
Try call FExportDataset.MergeChangeLog before:
WriteLn('Saving...');
Does anything in your timing changed ?
Ah - that's it. TBufDataset saves the records instantly now. Probably,
this should go into the official wiki site for TBufDataset.
Try call FExportDataset.MergeChangeLog before:
WriteLn('Saving...');
Does anything in your timing changed ?
-Laco.
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Am 27.03.2017 um 00:53 schrieb Howard Page-Clark via Lazarus:
I can get small performance increases by
- avoiding FieldByName() calls and using AppendRecord
No, at least not for the issue I am referring to. Like in the answer to
Marc's comment: This happens while the table is populated, but the
Am 27.03.2017 um 09:07 schrieb Marc Santhoff via Lazarus:
I didn't count, but you make extensive use of the Random() function.
Could that be the cause of slowness?
No, Random() is called only while records are populated - this step is
completed without any noticable delay. Time is measured
On So, 2017-03-26 at 23:53 +0200, Werner Pamler via Lazarus wrote:
> Trying to extend the import/export example of fpspreadsheet from a dBase
> table to a TBufDataset I came across this issue with TBufDataset: While
> data are posted to the database as quickly as usual writing to file
> takes
On 26/03/17 22:53, Werner Pamler via Lazarus wrote:
Trying to extend the import/export example of fpspreadsheet from a
dBase table to a TBufDataset I came across this issue with
TBufDataset: While data are posted to the database as quickly as usual
writing to file takes extremely long if there
Trying to extend the import/export example of fpspreadsheet from a dBase
table to a TBufDataset I came across this issue with TBufDataset: While
data are posted to the database as quickly as usual writing to file
takes extremely long if there are more than a few thousand records.
Run the demo
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