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Templates: Legacy changes for more embeds around views 1999-01-09 -- Malcolm Collett Newsgroups: comp.lang.clarion
>I am using the Validate Record:Filter Checking Embed from the early
>responses to my post. This method works well with small tables but
>with the large one that I am working with it takes a whole lot of
>time.
>
>I was looking for something like your second option. I have not done
>much template programming (last did it 1 1/2 years ago) and was
>wondering if you or someone else could give me a hint as to how and
>where to modify the report template.
Hi Gilbert
You must remember that Range Limits are fast, Filters are slow. A range
limit needs a key. If there is no suitable key, it will always be slow.
If there is a suitable key, Prop:Filter will use.
Add the 3 marked lines to the Gpprocess.tpw file. When you do reports,
you will have 3 additional embeds. I use the the Before and After View
embeds to change the sort order. The same 3 embeds will also be in
Process procedures - both Process and Report use the Gpprocess.tpw file.
#!---------------------------------------------------
#GROUP(%ProcessSaveLimits),AUTO
#EMBED(%WindowEventOpenWindowBefore,'Window Event: Open Window, before
setting up for reading')
#EMBED(%BeforeKeySet,'Before SET() issued')
#IF(%PrimaryKey)
SET(%PrimaryKey)
#ELSE
SET(%Primary)
#ENDIF
#INSERT(%StandardWriteViewFilter,%ProcessFilter)
#EMBED(%MGCAfterPropFilter,'MGC After Prop:Filter') #! MGC
IF ERRORCODE()
StandardWarning(Warn:ViewOpenError)
END
#EMBED(%MGCBeforeOpenView,'MGC Before Opening the View') #! MGC
OPEN(%ListView)
#EMBED(%MGCAfterOpenView,'MGC After Opening the View') #! MGC
IF ERRORCODE()
StandardWarning(Warn:ViewOpenError)
END
#EMBED(%BeforeInitialGet,'Before first record retrieval')
Regards
Malcolm Collett
------------------------------
mcollett AT iafrica DOT com
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