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NetTalk Web Server => Web Server - Ask For Help => Topic started by: aren1968 on December 05, 2024, 01:49:14 AM

Title: Browse filtering using timestamp field
Post by: aren1968 on December 05, 2024, 01:49:14 AM

I would like to filter a browse with a timestampfield declared as a real.
Rei:Timestamp        Real
The filter is : 'p_web.UnixToClarionDate(Rei:Timestamp/1000)=' & Today()

Debugview shows: Filter: (p_web.UnixToClarionDate(Rei:Timestamp/1000)=81792) AND (Rei:DeletedTimeStamp = 0 or NULL(Rei:DeletedTimeStamp) = 1)

Any suggestions how I would get this to work?

Title: Re: Browse filtering using timestamp field
Post by: rjolda on December 05, 2024, 03:27:42 AM

Hi,
What I do with complex filters is place them in the embed 2 - Before Browse Loop ---10a Set Filter.  Photo attached.  I put them here instead of in the template Filter line if they are complex
The filter is just a string. 
When writing complex filters I will often build a string and check the string.
The filter you want is loc:FilterWas -  that will hold your new filter. 
Here is some example code:

 if p_web.GSV('FROM') = 'OWNER'     
        if p_web.GSV('loc:datepick')> 0  ! we have chosen a date range
                   if daterange> 0  ! we have chosen a date range
                       if daterange = 1
                           filterstring = 'JSRV:TDATE = ' & onedate & ' AND ' &  'UPPER(JSRV:OWNR_GUID) =  <39>'  & UPPER(p_web.GSV('LOGGED OWNER_GUID')) & '<39>'
                          loc:FilterWas = filterstring
                       elsif daterange = 2
                           filterstring =  'JSRV:TDATE >= ' & dfrom & ' AND JSRV:TDATE <= ' & dto & ' AND ' &  'UPPER(JSRV:OWNR_GUID) =  <39>'  & UPPER(p_web.GSV('LOGGED OWNER_GUID')) & '<39>'
                          loc:FilterWas = filterstring
                       end
                   end     
                       
                       
                     
        else  ! no date range - standard inquiry - show last 30 days
           !loc:FilterWas = 'UPPER(JSRV:OWNR_GUID) =  <39>'  & UPPER(p_web.GSV('LOGGED OWNER_GUID')) & '<39>'   ! go back 30 days on routine request 
            filterstring = 'UPPER(JSRV:OWNR_GUID) =  <39>'  & UPPER(p_web.GSV('LOGGED OWNER_GUID')) & '<39>' & ' AND JSRV:TDATE >= ' & today() -30  & ' AND JSRV:TDATE <= ' & today()
            loc:FilterWas = filterstring
        end

Hope this helps you get squared away.
Ron

Title: Re: Browse filtering using timestamp field
Post by: aren1968 on December 05, 2024, 04:33:53 AM

Thanks for the suggestion.
I put this code in 10a set filter:
! Filter string here
 filterstring = 'p_web.UTCDate(Rei:Timestamp)=' & Today()
      loc:FilterWas = filterstring
 p_web.trace('Before browse filter, string in embed')     
      p_web.trace(filterstring)  *Outputs the string correct*
      p_web.trace('Before browse filter, timestamp uformatted')
      p_web.trace(Rei:Timestamp) *Outputs a zero: 0 *

Web trace in Inside browse loop, 3 end of loop
p_web.trace('End of loop')
p_web.trace(p_web.UnixToClarionDate(Rei:Timestamp/1000)) *Outputs a clarion date : 81791 *

My problem seems to be that my timestamp field is empty when the filter loads.

Title: Re: Browse filtering using timestamp field
Post by: Bruce on December 08, 2024, 08:43:43 PM

The key point to understand is that the filter is just a string, which is then passed to the backend.
Since p_web is an object, it has no meaning in a string.
So p_web.UTCDate isn't text that should be in the end filter.

Rei:Timestamp        Real
The filter is : 'p_web.UnixToClarionDate(Rei:Timestamp/1000)=' & Today()

I would turn this around;
'Rei:Timestamp >= ' & p_web.ClarionToUnixDate(today(),0) * 1000 & ' AND Rei:Timestamp <= ' & (p_web.ClarionToUnixDate(today()+1,0) * 1000 ) - 1