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Memo Bloat during update routine...
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General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Miscellaneous
Thread ID:
00296936
Message ID:
00297105
Views:
26
Marcus,

First off if you are using VFP5 upgrade to VFP6. VFP5 has a bug that prevents memo space reuse.

You can probably fix this by using a better SET BLOCKSIZE when you create the table. Run a query to determine the distribution of your memo lengths.

BLOCKSIZE can not be changed once the table is created so you will have to create a new table and load it from the old.

Are you actually adding the same line of text to every memo field? If so you might want to rethink the way you are doing this.

>I have an app that updates insurance plans. I store some general notes about each plan in a memo field. This field usually contains 7 or 8 small sentences. My problem is that when I populate this information (one sentence at a time) for thousands of plans the memo field bloats to >330 mb. After packing the memo (and 10 minutes) it goes down to 50mb. I'm worried about users running out of disk space. Is there a way to reduce this without stopping in the middle of the routine and doing a pack memo? I update the memo fields with the following code:
>
>REPL myMemo WITH ALLT(myMemo)+CHR(13)+cNewLine IN myTable
>
>I have also used the ADDITIVE reference:
>
>REPL myMemo WITH CHR(13)+cNewLine ADDITIVE IN myTable
>
>This gives no relief to the file size issue.
df (was a 10 time MVP)

df FoxPro website
FoxPro Wiki site online, editable knowledgebase
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