Level Extreme platform
Subscription
Corporate profile
Products & Services
Support
Legal
Français
Slow
Message
From
07/07/2008 06:59:07
 
 
To
07/07/2008 06:43:41
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Title:
Re: Slow
Environment versions
Visual FoxPro:
VFP 9
OS:
Windows XP
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01329335
Message ID:
01329350
Views:
22
Is x2 a table or a cursor?table
which index tags do you have for yoru table x2 ? i have no index i use index only via code
index on f1 tag f1...f1 unique
INDEX on f4 TO kk
thanks


>Is x2 a table or a cursor? If X2 is a table, which index tags do you have for yoru table x2?
>
>>thank you for reply,
>>
>>i try it as below it take between 1 to lesthan 2 Minutes? i think it must be faster
>>
>>mytable have more than 6 milion records
>>
>>CLOSE all
>>USE x2
>> INDEX on f4 TO kk
>> *index on f1 tag f1
>>lcTempVariable=ALLTRIM(thisform.text1.value)
>>LOCATE fOR f1=lcTempVariable
>>thisform.text2.value=f4
>>lcTempVariable=f4
>>SELECT f1,f2,f3,f5,f6 FROM x2 WHERE f4=lcTempVariable;
>>order BY f5;
>>into CURSOR mycur
>>thisform.grid1.RecordSource="mycur"
>>**COUNT TO s
>>s=_tally && s is a TERRIBLE variable name
>>
>>
>>>Sorry, my presed the wrong button...
>>>
>>>First of all, unless you work with cursors, INDEX shall NEVER be a part of normal code! Period! End of discussion! Instead you use a structural index. I believe I have said this before.....
>>>
>>>Secondly, you NEVER locate for an object value, instead you use a variable
>>>lcTempVariable=ALLTRIM(thisform.text1.value)
>>>LOCATE fOR f1=lcTempVariable
>>>And later in your code:
>>>thisform.text2.value=f4
>>>lcTempVariable=f4
>>>SELECT f1,f2,f3,f5,f6 FROM x2 WHERE f4=lcTempVariable;
>>>order BY f5;
>>>into CURSOR mycur
>>>**COUNT TO s
>>>s=_tally && s is a TERRIBLE variable name, use something meaningful!!!
>>>
>>>>Hi all,
>>>>
>>>>i try to see result at mygrid , but it is very slow operation,
>>>>
>>>>f1=national number
>>>>f4=my file number as 00123/234
>>>>
>>>>at my grid i must see all records have the same file number
>>>>
>>>>USE x2
>>>>INDEX on f4 TO kk
>>>>LOCATE fOR f1=ALLTRIM(thisform.text1.value)
>>>>IF FOUND()
>>>>
>>>>thisform.text2.value=f4
>>>>SELECT f1,f2,f3,f5,f6 FROM x2 WHERE f4=(thisform.text2.value);
>>>>order BY f5;
>>>>into CURSOR mycur
>>>>COUNT TO s
>>>>thisform.grid1.RecordSource="mycur"
>>>>
>>>>ELSE
>>>>MESSAGEBOX("not found")
>>>>ENDIF
>>>>
>>>>
>>>>thanks
Previous
Next
Reply
Map
View

Click here to load this message in the networking platform