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How to Full Optimize this
Message
From
07/03/2013 07:56:14
 
 
To
07/03/2013 07:38:07
Mk Sharma
Shrishti Solutions
Mumbai, India
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 7
Network:
Windows XP
Database:
Visual FoxPro
Application:
Desktop
Miscellaneous
Thread ID:
01567687
Message ID:
01567700
Views:
35
Use it as it is, no gain in changing.

>Thank you,
>
>I have changed like below :
>
>
>Do Case
>        Case Thisform.Optiongroup1.Value = 1   &&  All Records
>		Thisform._lcliftdate = ".T."
>	Case Thisform.Optiongroup1.Value = 2   &&  Only Pending Records
>		Thisform._lcliftdate = "liftdate == {}"
>	Case Thisform.Optiongroup1.Value = 3   &&  Only Final Records
>		Thisform._lcliftdate = "liftdate <> {}"
>Endcase
>
>
>
>What alternate we can use for " &lcLiftcond " ?
>
>Warm Regards,
>mk.
>
>
>>Assuming that lcliftdate is a date. If not, adjust acccordingly
>>
>>Do Case
>>        Case Thisform.Optiongroup1.Value = 1   &&  All Records
>>		Thisform._lcliftdate = ".T."
>>	Case Thisform.Optiongroup1.Value = 2   &&  Only Pending Records
>>		Thisform._lcliftdate = "liftdate == {}"
>>	Case Thisform.Optiongroup1.Value = 3   &&  Only Final Records
>>		Thisform._lcliftdate = "not liftdate == {}"
>>>Endcase
>>
>>
>>Another option to try, run first select w/o additional condition. After that use the cursor created as source for the second select with the additional condition.
>>
>>>How to Full optimize below Select - sql ?
>>>
>>>
>>>clear 
>>>Local lcLiftcond
>>>Close Databases All
>>>Use 1001\psaudac In 0
>>>Use 1001\psaudam In 0
>>>Use 1001\customer In 0
>>>Use 1001\pcode1 In 0
>>>
>>>lcLiftcond = '.T.'
>>>
>>>Do Case
>>>        Case Thisform.Optiongroup1.Value = 1   &&  All Records
>>>		Thisform._lcliftdate = ".T."
>>>	Case Thisform.Optiongroup1.Value = 2   &&  Only Pending Records
>>>		Thisform._lcliftdate = "empty(liftdate)"
>>>	Case Thisform.Optiongroup1.Value = 3   &&  Only Final Records
>>>		Thisform._lcliftdate = "not empty(liftdate)"
>>>Endcase
>>>
>>>lcLiftcond = Thisform._lcliftdate
>>>
>>>= Sys(3054, 1)
>>>
>>>
>>>Select 0
>>>Select ;
>>>		Str(Val(psaudam.saudano), 10) As dono, ;
>>>		godown.acname As locname, ;
>>>		party.acname As acname, ;
>>>		pcode1.wood As prodname, ;
>>>		mill.acname As millname, ;
>>>		psaudac.Lotno, ;
>>>		psaudac.Bags, ;
>>>		psaudac.Weight, ;
>>>		psaudac.liftdate, ;
>>>		psaudac.Rem1, ;
>>>		psaudac.Childid ;
>>>	From psaudam ;
>>>	Left Outer Join customer godown ;
>>>		On godown.accode = psaudam.loccode ;
>>>	Left Outer Join customer party ;
>>>		On party.accode = psaudam.accode ;
>>>	inner Join psaudac ;
>>>		On psaudac.Masterid = psaudam.Masterid ;
>>>	Left Outer Join pcode1  pcode1 ;
>>>		On pcode1.pcode = psaudac.pcode ;
>>>	Left Outer Join customer mill ;
>>>		On mill.accode = psaudac.millcode ;
>>>	Where psaudam.trnstatus = 'YO' ;
>>>		And &lcLiftcond ;
>>>	Order By 1 ;
>>>	Into Cursor junk1 Readwrite
>>>
>>>**  if i remove below code then it is fully optimized, but how to optimize including below code
>>>*		And &lcLiftcond ;
>>>
>>>
>>>
>>>What alternate we can use for " And &lcLiftcond " ?
>>>
>>>Warm Regards,
>>>mk.
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