OpenEdge Data Management: DataServer for Microsoft SQL Server

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Chapter 2: Initial Programming Considerations Table 9: MS SQL Server data type equivalents in OpenEdge (2 of 3) MS SQL Server data type OpenEdge data type equivalent 1 float DECIMAL (INTEGER) (INT64) double precision DECIMAL (INTEGER) (INT64) real DECIMAL (INTEGER) (INT64) char CHARACTER nchar CHARACTER varchar CHARACTER nvarchar CHARACTER text 2 CHARACTER CLOB 3 varchar(max) CHARACTER CLOB 3 ntext 2 CHARACTER CLOB3 nvarchar(max) CHARACTER CLOB 3 money DECIMAL (INTEGER) smallmoney DECIMAL (INTEGER) date 4 DATE (DATETIME) (DATETIME-TZ) (CHARACTER) time 4 CHARACTER (DATETIME) datetime DATE (CHARACTER) datetime2 4 DATETIME (DATE) (DATETIME-TZ) (CHARACTER) smalldatetime DATE (CHARACTER ) 72 OpenEdge Data Management: DataServer for Microsoft SQL Server
Table 9: MS SQL Server data type equivalents in OpenEdge (3 of 3) datetimeoffset 4 DATETIME-TZ (DATETIME) (DATE) (CHARACTER) binary CHARACTER varbinary CHARACTER varbinary(max) 5 CHARACTER BLOB 6 image 2 CHARACTER BLOB 6 bit LOGICAL timestamp CHARACTER 7 identity 8 uniqueidentifier CHARACTER 7 Depends on underlying type 7 computed columns Depends on underlying type 7 cursor Not supported 9 sql_variant Not supported 9 geometry Not supported 9 geography Not supported 9 hierarchyid Not supported 9 Data types MS SQL Server data type OpenEdge data type equivalent 1 1. The initial entry identifies the default data type. Data types in parentheses identify supported options. 2. Starting in MS SQL Server 2005, legacy "image" and "text" LOB types on the server can be expressed as BLOB and CLOB types respectively. While still supported, Progress recommends legacy LOB types be converted to varbinary(max) and varchar(max) types for better forward compatibility. 3. The default CHARACTER mapping for binary LOB server types can be changed to OpenEdge CLOB by selecting the CLOBs checkbox on the Default to OpenEdge LOB for option during object selection on schema pull. Changing the mapping from OpenEdge character to OpenEdge LOB may require code changes. However, Progress recommends mapping MSS character LOB types to OpenEdge CLOBs for better scalability. 4. Starting in MS SQL Server 2008 using native drivers, these data types can be pulled into an OpenEdge schema holder for MS SQL Server. 5. The FILESTREAM variant of varbinary(max) data type is also supported. 6. The default CHARACTER mapping for binary LOB server types can be changed to OpenEdge BLOB by selecting the BLOBs checkbox on the Default to OpenEdge LOB for option during object selection on schema pull. Changing the mapping from OpenEdge character to OpenEdge LOB may require code changes. However, Progress recommends mapping MSS binary LOB types to OpenEdge BLOBs for better scalability. 7. These non-updatable columns can be mapped into an MSS DataServer schema holder but cannot be written to on the server. 8. You can add an identity data type to a table if you have not already set the PROGRESS_RECID column to the table's identity column. You can only use the PROGRESS_RECID identity column if you want to set an identity column for ROWID designation in your OpenEdge file schema. identity columns created by the user cannot be designated for OpenEdge ROWID or used as part of an index composite that designates ROWID. OpenEdge Data Management: DataServer for Microsoft SQL Server 73
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® ® PROGRESS® OPENEDGE® OpenEdg
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Contents Preface . . . . . . . . .
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Contents Data output and retrieval
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Contents Migrating an OpenEdge data
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Tables Contents Table 1: DataServer
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Examples Contents Example 1: Passin
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Preface This Preface contains the f
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Chapter 5, “Configuring the DataS
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Before you begin Preface Before att
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In this example, STREAM stream, UNL
Page 21 and 22: After displaying a message, OpenEdg
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Page 25 and 26: Preface use, copy, modify, and dist
Page 27 and 28: Preface DISCLAIMS ALL WARRANTIES WI
Page 29 and 30: Preface INCLUDING ALL IMPLIED WARRA
Page 31 and 32: Preface WARRANTIES OF MERCHANTABILI
Page 33 and 34: Preface conditions for packages lik
Page 35 and 36: Introduction OpenEdge Data Manageme
Page 37 and 38: DataServer components DataServer co
Page 39 and 40: DataServer for MS SQL Server logic
Page 41 and 42: Figure 3 illustrates the schema-loa
Page 43 and 44: DataServer utilities DataServer uti
Page 45 and 46: DataServer configurations DataServe
Page 47 and 48: The remote DataServer configuration
Page 49 and 50: DataServer configurations Configuri
Page 51 and 52: Software requirements Software requ
Page 53 and 54: Guidelines for using the DataServer
Page 55 and 56: Initial Programming Considerations
Page 57 and 58: Database design issues Database des
Page 59 and 60: MS SQL Server DataServer data sourc
Page 61 and 62: Client code page Database design is
Page 63 and 64: Support for Unicode Database design
Page 65 and 66: Indexes and sorting Database design
Page 67 and 68: Database design issues source’s c
Page 69 and 70: Triggers Database design issues Tri
Page 71: Data types Data types MS SQL Server
Page 75 and 76: Processing activities that require
Page 77 and 78: Table 11: MS SQL Server 2008 dateti
Page 79 and 80: Performing data type conversions Da
Page 81 and 82: Enabling Datetime data types using
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Page 87 and 88: ABL-to-MS SQL Server data type mapp
Page 89 and 90: Unknown value (?) Data types The Da
Page 91 and 92: Record creation Suppose that you ha
Page 93 and 94: Data source record locking Data sou
Page 95 and 96: Handling lock timeouts Data source
Page 97 and 98: Locking impact on queries Data sour
Page 99 and 100: Data source record locking When thi
Page 101 and 102: To avoid this type of problem, the
Page 103 and 104: Error handling If you use NO-ERROR
Page 105 and 106: Cursors Cursors A cursor is like a
Page 107 and 108: Cursors your specifications. Adjust
Page 109 and 110: • Block cursors are directly link
Page 111 and 112: FIND customer WHERE ROWID(customer)
Page 113 and 114: For example, the following statemen
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Page 117 and 118: ABL issues Table 19 summarizes ABL
Page 119 and 120: RDBMS Stored Procedure Details Open
Page 121 and 122: RDBMS stored procedure basics RDBMS
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RDBMS stored procedure basics When
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Run Stored-Procedure details •
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Run Stored-Procedure details An exp
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Run Stored-Proc statement execution
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Run Stored-Procedure details Also n
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Loading results into a temp-table T
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Retrieving return codes Interfacing
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Interfacing with RDBMS stored proce
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Loading result sets into temp-table
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Employing additional enhancements I
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Handling errors Handling errors The
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ROWID Support This section presents
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ROWID Support The RUN STORED-PROC c
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ROWID Support If the table uses com
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Additional Features to Enhance Data
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Connection pooling Connection pooli
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DataServer connection management Co
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Firehose exclusions Connection pool
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Cursor downgrades Connection poolin
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Query tuning Query tuning How you s
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LOOKAHEAD NO-LOOKAHEAD SEPARATE-CON
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Query tuning Table 24: Query-tuning
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Join by SQLDB Join by SQLDB For que
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Table 25 describes how these contro
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Modifying the run-time schema check
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Configuring the DataServer Configur
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DataServer components Table 26: Ins
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Configuring a local DataServer Conf
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Configuring a remote DataServer 4.
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5162 Configuring a remote DataServe
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The ubroker.properties file Configu
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Configuring a remote DataServer Tab
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Configuring a remote DataServer The
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Creating a schema holder Creating a
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Creating a schema holder configurat
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Creating a schema holder 3. In the
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Creating a schema holder 10. Choose
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Typical configuration for a remote
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Typical configuration for a remote
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Connecting the DataServer You can s
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Starting a remote DataServer Starti
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Starting a remote DataServer If you
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Starting a remote DataServer Starti
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Connection guidelines Connection gu
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Connecting a schema holder at start
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Single-User Mode (-1) Read-Only (-R
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Using a remote DataServer configura
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Value pairs within the connect stri
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Connecting a schema holder Table 31
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qt_separate_connection qt_no_separa
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Connecting a schema holder Table 33
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Connecting a schema holder 1. Each
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Table 38 lists the DataServer log e
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Logging levels You can choose one o
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Enabling ABL to SQL Correlation in
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Connecting a schema holder Example
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Connection failures and OpenEdge re
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Connection failures and OpenEdge re
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Using the $UNIQUE_DSLOG environment
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The DataServer Tutorial OpenEdge Da
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Demonstration databases for DataSer
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Preparing to create demonstration d
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DataServer utilities When you acces
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Prime to ROWID identification ROWID
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Prime to ROWID identification inacc
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Creating a schema holder • Choose
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Creating a schema holder You can se
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Updating a schema holder Updating a
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Verifying a schema holder Verifying
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Verifying a schema holder 2. Type p
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Changing connection information in
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Deleting a schema holder Deleting a
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Managing server attributes See the
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Managing server attributes Defining
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Managing server attributes If the p
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Managing server attributes 6. The P
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Defining a default constraint defin
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Managing server attributes 5. Click
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Managing server attributes • Resu
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Migrating an OpenEdge database to M
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Delta df to MS SQL Server Increment
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Modifying field-level information Y
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Defining the ROWID Modifying a sche
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Adding extended ABL support Adding
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Adding extended ABL support 4. Chan
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Adding extended ABL support 3. Drop
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Troubleshooting This chapter descri
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ODBC options ODBC options The DataS
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ODBC options Table 56: DataServer o
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Using MS SQL Server and DataServer
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Large rows—the PRGRS_MINBUF optio
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ODBC options Wait time for asynchro
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Using the block cursor switches ODB
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Migration Issues This appendix disc
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Modifying your application Note the
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Sample code for the db.owner.Custom
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Server Related Command Line Utiliti
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OpenEdge Management or OpenEdge Exp
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Syntax Parameters service-name PROB
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Other command line utilities for th
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Data Type Details C This appendix s
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nvarchar 8 SQL_NVARCHAR CHARACTER t
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Using qt_debug to Analyze Performan
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Using qt_debug to analyze performan
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Index Numbers 4GLTrans log entry ty
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display format 309 overflow checkin
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INPUT-OUTPUT option retrieving para
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DataServer (-Dsrv) startup paramete
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221, 242, 359 Schema defined 40 loa
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