A16: proDataSets in the Real World aka blood, sweat and tears revisited Miles Klettke Clever Fellow.
-
Upload
sheryl-richard -
Category
Documents
-
view
224 -
download
0
Transcript of A16: proDataSets in the Real World aka blood, sweat and tears revisited Miles Klettke Clever Fellow.
A16: proDataSets in the Real World
aka blood, sweat and tears revisited
Miles KlettkeClever Fellow
© 2008 Progress Software Corporation2
Agenda
Knowing me – rumours abound Knowing you – Geeks or Managers? Capabilities by example Some Principles of ProDataset Design Other ProDataSet coding tips
© 2008 Progress Software Corporation3
Knowing me – it is all true
Progress survivor Voracious appetite for the new Respect of the old A clinical eye for what works Anything else is just rumours…….
© 2008 Progress Software Corporation4
Knowing you
Geek • already using proDataSets?
Manager • are the developers telling the truth?
Lagard • Need to get to proDataSets
Nothing else on Information overload …….
Be honest
© 2008 Progress Software Corporation5
{include/ttuploadforms.i}.{include/ttformstatus.i}DEF DATASET dsApplication FOR ttUploadForms, ttUploadDetails,ttUploaderrors,ttProperty,ttApplication,ttApplicationParty,ttParty,ttEventhist Data-Relation dr-Forms-Details for ttUploadForms, ttUploadDetails relation-fields (uploadID, uploadID) .Data-Relation dr-Details-Party for ttUploadDetails, ttParty relation-fields (PartyID, PartyID).
What is a prodataset
© 2008 Progress Software Corporation6
DEF TEMP-TABLE ttUploadForms NO-UNDO BEFORE-TABLE ttUploadFormsBefore FIELD uploadID AS INT FIELD loadDate AS DATETIME FIELD originalFilename AS CHARACTER FIELD partyID AS INTEGER FIELD processStatus AS CHARACTER FIELD sentToOCRDate AS DATETIME FIELD storedCopyOfFile AS BLOB {include/extrattfields.i} INDEX PK_uploadID IS PRIMARY UNIQUE uploadID.
Is it just a standard temp-table?
© 2008 Progress Software Corporation7
Agenda
Capabilities by example• Share your Transport
• Travel by Public Transport
• Use the most appropriate transport package
• Just give me the Transport Link
• It gets your there fast
• But I like shankes pony
© 2008 Progress Software Corporation8
Lets go to the code
© 2008 Progress Software Corporation9
Agenda
Some Principles of ProDataset Design• Defining Temp Tables
• Name Variations
• What is Reference Only?
• Index ? What Index?
• ROWID
© 2008 Progress Software Corporation10
{include/ttparty.i &ext={&ext}}{include/ttproperty.i &ext={&ext}}DEFINE DATASET dsparty{&ext} {&ReferenceOnly} FOR ttparty{&ext}, ttProperty{&ext}, Data-Relation dr-party-prop{&ext} for ttparty{&ext}, ttproperty{&ext} relation-fields (physpropid, propertyid)./* include/ttparty.i */DEFINE TEMP-TABLE ttparty{&ext} BEFORE-TABLE ttparty{&ext}before FIELD Given-Names AS CHARACTER FIELD Surname AS CHARACTER FIELD PartyID AS INTEGER {include/extrattfields.i} INDEX PartyIdx IS PRIMARY UNIQUE PartyID
Sample: 4GL Code Snippet
© 2008 Progress Software Corporation11
Agenda
Other ProDataSet coding tips• Is there a Fill in the House?• Did you say Fill in the where string!• Pesky Housekeeping and performance• Save those changes• But I said output!• Generic or specific?• Useful routines and ideas• Did you say ADM2?
© 2008 Progress Software Corporation12
Lets go to the code
© 2008 Progress Software Corporation13
For More Information, go to…
Documentation:• ProDataSets by John Sadd
PSDN• Documentation also at
http://www.psdn.com/library/entry!default.jspa?categoryID=261&externalID=473&fromSearchPage=true
• OERA Latest Thinking! http://www.psdn.com/library/entry!default.jspa?categoryID=1415&externalID=3838&fromSearchPage=true
• Welcome to the Complete AutoEdge Kit http://www.psdn.com/library/entry!default.jspa?categoryID=298&externalID=1686&fromSearchPage=true
© 2008 Progress Software Corporation14
Relevant PTW Sessions
A1: What's New in OpenEdge 10.1C A7: Architecting Your Application in OpenEdge 10 A14: What’s New with ProDataSets in 10.1C
© 2008 Progress Software Corporation15
Questions?
© 2008 Progress Software Corporation16
Thank You
© 2008 Progress Software Corporation17