MergeArticle.RemoveReplicatedColumns Method
SQL Server 2008
Removes existing columns from a vertically partitioned article.
Assembly: Microsoft.SqlServer.Rmo (in Microsoft.SqlServer.Rmo.dll)
Calling RemoveReplicatedColumns method is equivalent to executing sp_mergearticlecolumn (Transact-SQL) once at the Publisher for each column removed from the article.
The RemoveReplicatedColumns method can be called only by members of the sysadmin fixed server role at the Publisher or by members of the db_owner fixed database role on the publication database.
The RemoveReplicatedColumns method is only available when working with instances of Microsoft SQL Server 2000 and Microsoft SQL Server 2005.
This namespace, class, or member is supported only in version 2.0 of the Microsoft .NET Framework.
// Define the Publisher and publication names. string publisherName = publisherInstance; string publicationName = "AdvWorksSalesOrdersMerge"; string publicationDbName = "AdventureWorks"; // Specify article names. string articleName1 = "Employee"; string articleName2 = "SalesOrderHeader"; string articleName3 = "SalesOrderDetail"; // Specify join filter information. string filterName12 = "SalesOrderHeader_Employee"; string filterClause12 = "Employee.EmployeeID = " + "SalesOrderHeader.SalesPersonID"; string filterName23 = "SalesOrderDetail_SalesOrderHeader"; string filterClause23 = "SalesOrderHeader.SalesOrderID = " + "SalesOrderDetail.SalesOrderID"; string salesSchema = "Sales"; string hrSchema = "HumanResources"; MergeArticle article1 = new MergeArticle(); MergeArticle article2 = new MergeArticle(); MergeArticle article3 = new MergeArticle(); MergeJoinFilter filter12 = new MergeJoinFilter(); MergeJoinFilter filter23 = new MergeJoinFilter(); // Create a connection to the Publisher. ServerConnection conn = new ServerConnection(publisherName); // Create three merge articles that are horizontally partitioned // using a parameterized row filter on Employee.EmployeeID, which is // extended to the two other articles using join filters. try { // Connect to the Publisher. conn.Connect(); // Create each article. // For clarity, each article is defined separately. // In practice, iterative structures and arrays should // be used to efficiently create multiple articles. // Set the required properties for the Employee article. article1.ConnectionContext = conn; article1.Name = articleName1; article1.DatabaseName = publicationDbName; article1.SourceObjectName = articleName1; article1.SourceObjectOwner = hrSchema; article1.PublicationName = publicationName; article1.Type = ArticleOptions.TableBased; // Define the parameterized filter clause based on Hostname. article1.FilterClause = "Employee.LoginID = HOST_NAME()"; // Set the required properties for the SalesOrderHeader article. article2.ConnectionContext = conn; article2.Name = articleName2; article2.DatabaseName = publicationDbName; article2.SourceObjectName = articleName2; article2.SourceObjectOwner = salesSchema; article2.PublicationName = publicationName; article2.Type = ArticleOptions.TableBased; // Set the required properties for the SalesOrderDetail article. article3.ConnectionContext = conn; article3.Name = articleName3; article3.DatabaseName = publicationDbName; article3.SourceObjectName = articleName3; article3.SourceObjectOwner = salesSchema; article3.PublicationName = publicationName; article3.Type = ArticleOptions.TableBased; if (!article1.IsExistingObject) article1.Create(); if (!article2.IsExistingObject) article2.Create(); if (!article3.IsExistingObject) article3.Create(); // Select published columns for SalesOrderHeader. // Create an array of column names to vertically filter out. // In this example, only one column is removed. String[] columns = new String[1]; columns[0] = "CreditCardApprovalCode"; // Remove the column. article2.RemoveReplicatedColumns(columns); // Define a merge filter clauses that filter // SalesOrderHeader based on Employee and // SalesOrderDetail based on SalesOrderHeader. // Parent article. filter12.JoinArticleName = articleName1; // Child article. filter12.ArticleName = articleName2; filter12.FilterName = filterName12; filter12.JoinUniqueKey = true; filter12.FilterTypes = FilterTypes.JoinFilter; filter12.JoinFilterClause = filterClause12; // Add the join filter to the child article. article2.AddMergeJoinFilter(filter12); // Parent article. filter23.JoinArticleName = articleName2; // Child article. filter23.ArticleName = articleName3; filter23.FilterName = filterName23; filter23.JoinUniqueKey = true; filter23.FilterTypes = FilterTypes.JoinFilter; filter23.JoinFilterClause = filterClause23; // Add the join filter to the child article. article3.AddMergeJoinFilter(filter23); } catch (Exception ex) { // Do error handling here and rollback the transaction. throw new ApplicationException( "The filtered articles could not be created", ex); } finally { conn.Disconnect(); }
' Define the Publisher and publication names. Dim publisherName As String = publisherInstance Dim publicationName As String = "AdvWorksSalesOrdersMerge" Dim publicationDbName As String = "AdventureWorks" ' Specify article names. Dim articleName1 As String = "Employee" Dim articleName2 As String = "SalesOrderHeader" Dim articleName3 As String = "SalesOrderDetail" ' Specify join filter information. Dim filterName12 As String = "SalesOrderHeader_Employee" Dim filterClause12 As String = "Employee.EmployeeID = " + _ "SalesOrderHeader.SalesPersonID" Dim filterName23 As String = "SalesOrderDetail_SalesOrderHeader" Dim filterClause23 As String = "SalesOrderHeader.SalesOrderID = " + _ "SalesOrderDetail.SalesOrderID" Dim salesSchema As String = "Sales" Dim hrSchema As String = "HumanResources" Dim article1 As MergeArticle = New MergeArticle() Dim article2 As MergeArticle = New MergeArticle() Dim article3 As MergeArticle = New MergeArticle() Dim filter12 As MergeJoinFilter = New MergeJoinFilter() Dim filter23 As MergeJoinFilter = New MergeJoinFilter() ' Create a connection to the Publisher. Dim conn As ServerConnection = New ServerConnection(publisherName) ' Create three merge articles that are horizontally partitioned ' using a parameterized row filter on Employee.EmployeeID, which is ' extended to the two other articles using join filters. Try ' Connect to the Publisher. conn.Connect() ' Create each article. ' For clarity, each article is defined separately. ' In practice, iterative structures and arrays should ' be used to efficiently create multiple articles. ' Set the required properties for the Employee article. article1.ConnectionContext = conn article1.Name = articleName1 article1.DatabaseName = publicationDbName article1.SourceObjectName = articleName1 article1.SourceObjectOwner = hrSchema article1.PublicationName = publicationName article1.Type = ArticleOptions.TableBased ' Define the parameterized filter clause based on Hostname. article1.FilterClause = "Employee.LoginID = HOST_NAME()" ' Set the required properties for the SalesOrderHeader article. article2.ConnectionContext = conn article2.Name = articleName2 article2.DatabaseName = publicationDbName article2.SourceObjectName = articleName2 article2.SourceObjectOwner = salesSchema article2.PublicationName = publicationName article2.Type = ArticleOptions.TableBased ' Set the required properties for the SalesOrderDetail article. article3.ConnectionContext = conn article3.Name = articleName3 article3.DatabaseName = publicationDbName article3.SourceObjectName = articleName3 article3.SourceObjectOwner = salesSchema article3.PublicationName = publicationName article3.Type = ArticleOptions.TableBased ' Create the articles, if they do not already exist. If article1.IsExistingObject = False Then article1.Create() End If If article2.IsExistingObject = False Then article2.Create() End If If article3.IsExistingObject = False Then article3.Create() End If ' Select published columns for SalesOrderHeader. ' Create an array of column names to vertically filter out. ' In this example, only one column is removed. Dim columns() As String = New String(0) {} columns(0) = "CreditCardApprovalCode" ' Remove the column. article2.RemoveReplicatedColumns(columns) ' Define a merge filter clauses that filter ' SalesOrderHeader based on Employee and ' SalesOrderDetail based on SalesOrderHeader. ' Parent article. filter12.JoinArticleName = articleName1 ' Child article. filter12.ArticleName = articleName2 filter12.FilterName = filterName12 filter12.JoinUniqueKey = True filter12.FilterTypes = FilterTypes.JoinFilter filter12.JoinFilterClause = filterClause12 ' Add the join filter to the child article. article2.AddMergeJoinFilter(filter12) ' Parent article. filter23.JoinArticleName = articleName2 ' Child article. filter23.ArticleName = articleName3 filter23.FilterName = filterName23 filter23.JoinUniqueKey = True filter23.FilterTypes = FilterTypes.JoinFilter filter23.JoinFilterClause = filterClause23 ' Add the join filter to the child article. article3.AddMergeJoinFilter(filter23) Catch ex As Exception ' Do error handling here and rollback the transaction. Throw New ApplicationException( _ "The filtered articles could not be created", ex) Finally conn.Disconnect() End Try
