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Case sensitive numbers |
Mon, Jul 10 2006 7:14 AM | Permanent Link |
In looking at a plan I note that it says:
"Result set will be ordered by the following column(s) using a case- sensitive temporary index:" I thought I'd set an index, and indeed I had. It is an integer field, and the index I created is case insensitive as it didn't seem relevant. Obviously DBISAM isn't going to use it as numbers are case sensitive. Is there anything more behind this? Surely the integer index is usable both ways? /Matthew Jones/ | |
Mon, Jul 10 2006 1:14 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Matthew,
<< I thought I'd set an index, and indeed I had. It is an integer field, and the index I created is case insensitive as it didn't seem relevant. Obviously DBISAM isn't going to use it as numbers are case sensitive. Is there anything more behind this? Surely the integer index is usable both ways? >> Yes, it is usable both ways, and the same type of query here seems to work fine with 4.24 Build 1: ================================================================================ SQL statement (Executed with 4.24 Build 1) ================================================================================ SELECT * FROM customer ORDER BY Custno Tables Involved --------------- customer (customer) table opened shared, has 55 rows Result Set Generation --------------------- Result set will be live Result set will consist of one or more rows Result set will be ordered by the primary index for the table customer ================================================================================ >>>>> 55 rows affected in 0 seconds ================================================================================ The primary index of the customer table is a case-insensitive index on the CustNo float field. -- Tim Young Elevate Software www.elevatesoft.com |
Mon, Jul 10 2006 1:35 PM | Permanent Link |
Okay, I'll check my observations then. Including that there was an index
on the field in question. For now I've removed that option for each numeric field anyway. /Matthew Jones/ |
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