Programming Guide - Actian

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TableHeader attribute • 231Tablesnaming • 19TargetField attribute • 140, 330TemplatesApplyTemplate utility • 419assistant procedures • 420assistants • 419creating fields • 428customizing • 423field • 419field creation process • 428frame • 419frame design considerations • 426naming • 19Terminate method • 103, 334testingapplications • 443Text function • 51thread map • 459current thread • 459nodes • 459thread start breakpointssetting • 455Threadsand ProcHandle objects • 89concurrent • 445identifiers • 444synchronization • 445Threads Break Conditions tab page • 455Timefunctions • 57interval function • 57Title attributefor ColumnField • 231for TableField • 230TitleTrim attributefor ColumnField • 231for TableField • 230tooltipscustomizing • 481speed keys in • 481trace informationlogging • 458Transaction managementconcurrency • 182Transactionsautocommit • 187, 188BitmapObject • 186cursors • 163database sessions • 185DataStreams • 186determining transaction state • 201errors • 187Exit statement • 188managing • 182multiple sessions • 185, 190StringObjects • 186Tree class • 267TreeNode class • 266Treeview fields • 257bitmap labels • 274TreeviewField class • 266TriggerField attribute • 330Trim function • 54Truncationdates • 57UUndeclareData method • 380UnRegisterUserEvent method • 349Update mode • 370Update statementdescribed • 153examples • 153UpdateBias attribute • 372UpdateInDB methoddetermining error status • 200managing transactions • 186UpdateIntoDB method • 200UpdateOps attributesettings • 243Uppercase function • 54User class scripts • 73User classescreating • 127creating methods • 129database tables • 123encapsulating • 128hierarchy • 126method examples • 131method supercedence • 125methods • 127object oriented approach • 120polymorphism • 125source objects • 143User events • 337definition • 334event block • 337518 <strong>Programming</strong> <strong>Guide</strong>
event chains • 323event queue • 336examples • 339ghost frames • 111naming • 19parameters • 338purging • 347registering • 348sending from 3GL to 4GL • 303UserEvent event • 349waiting for • 345User1 mode • 370User1Bias attribute • 372User1Ops attribute • 243User2 mode • 370User2Bias attribute • 372User2Ops attribute • 243User3 mode • 370User3Bias attribute • 372User3Ops attribute • 243UserClassObject system class • 143User-defined macro variables • 435UserEvent event • 337described • 337external events • 350UserObject system class • 143UtilitiesApplyTemplate • 419MonImage • 482VValuesassigning with dynamic expressions • 387getting from unknown fields • 388getting with dynamic expressions • 388passing to procedures • 84returning • 101, 104returning from database procedures • 86Varchar function • 51Variables • 25calling procedures • 84curframe • 95data types • 35declaring • 116default values • 114dereferencing colon • 20display type • 117global • 25, 335in expressions • 47local • 25naming • 19passing arrays and objects • 101passing simple • 101prompt statement • 111reference type • 28returning values • 84, 86, 101scope • 25simple type • 26system-defined • 39View Processed Script • 449WWaitFor methodBlocksFrames attribute • 106described • 345Event object • 345SendUserEvent method • 341, 345watchvalues • 478Watch Values dialog • 478Watch window • 479watchpointDebugger • 478WhichRow method • 248WhichTableField methoddescribed • 249WindowsCall Stack • 460Current Break Conditions for Application •446DB Session for Application • 463, 482Debugger • 446, 449, 465, 477Log • 456, 482Log for Application • 458Monitor • 459, 460, 462, 482MonitorImage • 482sizing • 410Watch • 479Index 519
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Ingres OpenROAD ® 2006Programming
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ContentsChapter 1: Introduction 13I
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Using an Object-oriented Approach t
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How You Can Retrieve Array Informat
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Chapter 12: Managing Event Queues 3
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Chapter 17: Preprocessing Your 4GL
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Chapter 1: IntroductionThis section
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ConventionsConventionsThe following
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Your Support OptionsYour Support Op
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OpenROAD NamesThe rules for these n
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OpenROAD Names3. Enclosing field sc
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OpenROAD NamesThe following code ex
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VariablesThe following illustrates
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VariablesIn the first example, film
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VariablesOpenROAD checks references
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VariablesHow You Can Declare Dynami
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VariablesFor example, assume that y
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ExpressionsHowever, you cannot use
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ExpressionsThe general syntax for h
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ExpressionsCurSessionSpecifies, for
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ExpressionsString OperatorThe conca
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ExpressionsOperatorlikenot likeOper
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Expressions• You can use the esca
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ExpressionsBecause procedures can r
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System-defined FunctionsThis rule h
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System-defined FunctionsNameOperand
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System-defined FunctionsName Operan
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System-defined FunctionsNameshift(c
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System-defined FunctionsSome date f
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System-defined FunctionsThe followi
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System-defined FunctionsCount Funct
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System-defined FunctionsResult Data
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Chapter 3: Writing Scripts and Proc
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ScriptsDeclare local variables that
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ScriptsUserEventSpecifies a user ev
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ScriptsExample—Field and Menu Ite
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ProceduresOpenROAD lets you create
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ProceduresReturning from a Procedur
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ProceduresExample—Local Procedure
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Procedures4GL DataTypedatemoneyfloa
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Calling Procedures• In this call
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Calling ProceduresparameterAssigns
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How Procedure Handles Work (ProcHan
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Compiler LimitationsYou can avoid t
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How You Can Invoke FramesHow the Cu
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How You Can Invoke FramesHow You Ca
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How You Can Invoke FramesFor more i
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How You Can Invoke FramesFor exampl
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How You Can Invoke FramesIf the obj
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How You Can Invoke FramesHow You Ca
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How You Can Invoke Frames• Prompt
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How You Can Invoke FramesThe syntax
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How You Can Run Non-interactive App
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How You Can Reference ObjectsHow Yo
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How You Can Reference ObjectsHow Yo
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How You Can Reference ObjectsUse an
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Using an Object-oriented Approach t
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InheritanceClass RelationshipsYou c
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InheritanceYou can specify a user c
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InheritanceThe Terminate method is
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How You Can Create a User ClassWhen
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How You Can Create a User ClassHow
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How You Can Create a User Class3. G
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How You Can Create a User ClassTo e
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External ClassesHow You Can Use Ext
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External ClassesExample—ActiveX C
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How You Can Manipulate Objects Gene
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Overview of the OpenROAD System Cla
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How You Can Access a Database with
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How You Can Manage TransactionsHow
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How You Can Manage TransactionsDivi
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How You Can Manage TransactionsTo c
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How Programming for Multiple Sessio
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Handling Database ErrorsIn OpenROAD
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Handling Database ErrorsIf a databa
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Handling Database ErrorsFor example
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Handling Database Errorsbeginerr_no
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Arrays and Table Fields—Conceptua
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ArraysBecause an individual attribu
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ArraysDeclaring an array variable d
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ArraysThe following statement puts
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Arraysfor i = custtable.FirstRow to
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ArraysHow You Can Add Rows to an Ar
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ArraysThe inserted row is blank bec
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ArraysThe following code fragment i
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ArraysThese attributes are:AllRowsR
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ArraysAttributes used in a sort can
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ArraysThe format parameter can be a
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Table FieldsTable Fields and Associ
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Table FieldsThe following applicati
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Table FieldsThis syntax references
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Table FieldsFor example, the follow
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Table Field OperationsTable Field C
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Table Field OperationsHow You Can U
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Table Field OperationsWhen you use
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Table Field OperationsBiases can be
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Table Field OperationsThe following
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Table Field OperationsHow You Can T
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Table Field OperationsTableField Me
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Table Field OperationsFor example,
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Table Field OperationsControlling M
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CollectionsCollectionsA collection
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Collections// Open a workbook and p
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Listview_Treeview_DemoImport the De
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Listview FieldsListview FieldsA lis
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Listview FieldsextensionSpecifies a
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Listview FieldsImageIndexSpecifies
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TreeNode and Tree ClassesHeaderClic
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TreeNode and Tree ClassesMaintenanc
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Treeview FieldsHow You Can Build a
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Treeview FieldsThe second window is
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Treeview FieldsThe tree_ex2_class h
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Chapter 9: Working with Images and
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How You Can Work with ImagesThe fol
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How You Can Work with ImagesThe Col
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How You Can Work with ImagesThe Bit
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How You Can Work with Images5. Add
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How You Can Work with Text StringsD
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How You Can Work with Text StringsH
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How You Can Call 3GL ProceduresIn t
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How You Can Use Exec 4GL Statements
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How You Can Link 3GL ProceduresHow
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Sample 3GL ProceduresExec 4GL and E
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How You Can Use Data Entry Error Ha
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Chapter 12: Managing Event QueuesTh
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Event-based ProgrammingThe followin
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Event-based ProgrammingEvent TypesT
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Event-based ProgrammingField Events
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Event-based ProgrammingBecause all
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Event-based ProgrammingThe followin
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Event-based ProgrammingThe resume s
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Event-based ProgrammingNote: The da
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Communicating Between OpenROAD Fram
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How You Can Communicate with an Ext
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How You Can Communicate Between Ope
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How You Can Communicate Between Ope
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Chapter 14: Creating Dynamic Frames
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How You Can Change Field and Frame
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How You Can Create and Modify Field
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How You Can Remove Fields Dynamical
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How You Can Declare a Composite Fie
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How You Can Manipulate Data in Dyna
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How You Can Manage Operations with
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How You Can Build a Frame Dynamical
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Dynamic Statements ConsiderationsDy
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How You Can Write an AssistantNote:
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How You Can Write an AssistantFirst
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How You Can Write an AssistantBecau
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How You Can Ensure Compatibility Be
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Chapter 17: Preprocessing Your 4GL
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PreprocessorGeneral Preprocessor St
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PreprocessorThe #define StatementTh
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Error ProcessingGuidelines for Usin
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Chapter 18: Debugging Your Applicat
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How You Can Test an ApplicationHow
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How You Can Use Break ConditionsTo
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How You Can Use Break Conditions3.
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How You Can Use Break ConditionsWay
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How You Can Use Break ConditionsSet
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How You Can Use Break Conditions•
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How You Can Use Break ConditionsMet
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How You Can Log Trace InformationDa
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How You Can Monitor a Running Appli
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How You Can Monitor a Running Appli
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How You Can Debug Database QueriesT
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How Debugging an Application WorksS
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Page 479 and 480: How Debugging an Application WorksL
Page 481 and 482: How Debugging an Application WorksA
Page 483 and 484: Appendix A: SQL Syntax SummaryThis
Page 485 and 486: SQL Syntax Summarygrant all [privil
Page 487: OpenSQL Syntax SummaryOpenSQL Synta
Page 490 and 491: Operating System CommandsThe follow
Page 492 and 493: BitmapObject classThe BitmapObject
Page 494 and 495: external classAn external class def
Page 496 and 497: local variableLocal variables conta
Page 498 and 499: StringObject classThe StringObject
Page 501 and 502: Index'' ' (single quotation marks)c
Page 503 and 504: Attributesdefined • 28referencing
Page 505 and 506: using to copy data • 244using wit
Page 507 and 508: application threads • 444array di
Page 509 and 510: examining values • 473hexadecimal
Page 511 and 512: Gmoney • 51numeric list • 53pad
Page 513 and 514: Namesapplication • 21dynamic •
Page 515 and 516: ReadOps attributesettings • 243Re
Page 517: concat function • 54functions •
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