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| ReceivePayment Query Hangs |
| Author |
Message |
| Tom |
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| Group | : Members |
| Posts | : 5 |
| Joined | : 2008-01-11 |
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| Profile |
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| Posted : 2008-02-10 03:46:47 |
I'm trying to run a simple query against the ReceivePayment table and it appears to hang (or at least take longer to run than my patients will sit and wait for :-). The query that I'm running is:
"SELECT TxnDate as Date, Memo, TotalAmount as Amount ,UnusedPayment as OpenBalance FROM ReceivePayment where CustomerRefListID='" + custID + "' ORDER BY TxnDate DESC"
Do you have any ideas as to what may be causing this query to hang?
Thanks,
Tom Andreu |
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| Tom |
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| Group | : Administrator |
| Posts | : 5510 |
| Joined | : 2006-02-17 |
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| Profile |
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| Posted : 2008-02-10 22:26:13 |
At first clance I would say the query is doing a table scan because of the order by TxnDate, the SQL should be:
"SELECT TxnDate as Date, Memo, TotalAmount as Amount ,UnusedPayment as OpenBalance FROM ReceivePayment where CustomerRefListID='" + custID + "' ORDER BY CustomerRefListID, TxnDate DESC"
If your optimized table is up-to-date, you can also try:
"SELECT TxnDate as Date, Memo, TotalAmount as Amount ,UnusedPayment as OpenBalance FROM ReceivePayment NOSYNC where CustomerRefListID='" + custID + "' ORDER BY CustomerRefListID, TxnDate DESC"
for faster results.
See: How do I setup the QODBC Optimizer? Where are the Optimizer options? for more info. |
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| Tom |
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| Group | : Members |
| Posts | : 5 |
| Joined | : 2008-01-11 |
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| Profile |
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| Posted : 2008-02-17 01:08:46 |
| Thank you for the information. I'll give this a try.. |
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