public static IEnumerable<AstPackageNode> ProcessTableStaticSource(AstTableNode astTableNode)
{
var packageList = new List<AstPackageNode>();
foreach (var source in astTableNode.Sources)
{
var staticSource = source as AstTableStaticSourceNode;
if (staticSource != null && staticSource.Rows.Count > 0)
{
var table = staticSource.ParentItem as AstTableNode;
if (table != null && staticSource.EmitMergePackage)
{
if (table.PreferredKey == null)
{
MessageEngine.Trace(table, Severity.Error, "L0110", "Table {0} does not contain a primary key and therefore cannot use Static Source Merging. Add a primary key or set EmitMergePackage to false.", table.Name);
}
var package = new AstPackageNode(table.ParentItem)
{
Emit = table.Emit,
Log = false,
Name = staticSource.Name,
PackageFolderSubpath = table.Name,
PackageType = GetPackageType(table)
};
// Staging Container
var staging = new AstStagingContainerTaskNode(package)
{
Log = false,
Name = Utility.NameCleanerAndUniqifier(source.Name + "_Stg"),
};
var stagingCloneTable = new AstTableCloneNode(staging)
{
Name =
String.Format(CultureInfo.InvariantCulture, "__{0}_Static", table.Name),
Connection = table.Connection,
Table = table
};
staging.Tables.Add(stagingCloneTable);
CloneTableLowerer.LowerCloneTable(stagingCloneTable);
staging.Tasks.Add(CreateInsertExecuteSql(staticSource, staging, stagingCloneTable));
staging.Tasks.Add(CreateMergeTask(table, staging, stagingCloneTable));
package.Tasks.Add(staging);
packageList.Add(package);
staticSource.LoweredPackage = package;
}
}
}
return packageList;
}
public static void ProcessPrincipals(AstRootNode astRootNode)
{
if (astRootNode.Principals.Count > 0)
{
var package = new AstPackageNode(astRootNode) { Name = "PrincipalsInitializer", Emit = true, PackageType = "Principal" };
astRootNode.Packages.Add(package);
foreach (AstPrincipalNode principal in astRootNode.Principals)
{
TemplatePlatformEmitter principalTemplate;
switch (principal.PrincipalType)
{
case PrincipalType.ApplicationRole:
principalTemplate = new TemplatePlatformEmitter("CreatePrincipalApplicationRole", principal.Name);
break;
case PrincipalType.DBRole:
principalTemplate = new TemplatePlatformEmitter("CreatePrincipalDatabaseRole", principal.Name);
break;
case PrincipalType.SqlUser:
principalTemplate = new TemplatePlatformEmitter("CreatePrincipalSqlUser", principal.Name);
break;
case PrincipalType.WindowsGroup:
principalTemplate = new TemplatePlatformEmitter("CreatePrincipalWindowsUser", principal.Name);
break;
case PrincipalType.WindowsUser:
principalTemplate = new TemplatePlatformEmitter("CreatePrincipalWindowsUser", principal.Name);
break;
default:
MessageEngine.Trace(principal, Severity.Error, "V0139", "Unknown Principal Type {0} in principal {1}", principal.PrincipalType.ToString(), principal.Name);
return;
}
var executeSqlTask = new AstExecuteSqlTaskNode(package)
{
Name = Utility.NameCleanerAndUniqifier(String.Format(CultureInfo.InvariantCulture, "PrincipalConfig_{0}", principal.Name)),
Connection = principal.Connection
};
executeSqlTask.Query = new AstExecuteSqlQueryNode(executeSqlTask)
{
Body = principalTemplate.Emit(),
QueryType = QueryType.Standard
};
package.Tasks.Add(executeSqlTask);
}
}
}
public static void ProcessSchema(AstRootNode astRootNode, AstSchemaNode schemaNode)
{
const string PackageTypeName = "Schema";
var packageNode = new AstPackageNode(schemaNode.ParentItem);
packageNode.Name = schemaNode.Name;
packageNode.PackageType = PackageTypeName;
var executeSqlNode = new AstExecuteSqlTaskNode(packageNode) { Name = schemaNode.Name, Connection = schemaNode.Connection, ResultSet = ExecuteSqlResultSet.None };
executeSqlNode.Query = new AstExecuteSqlQueryNode(executeSqlNode) { QueryType = QueryType.Standard, Body = new TemplatePlatformEmitter("CreateSchema", schemaNode.Name).Emit() };
packageNode.Tasks.Add(executeSqlNode);
bool hasPermissions = false;
var permissionBuilder = new StringBuilder();
foreach (var permission in schemaNode.Permissions)
{
hasPermissions = true;
permissionBuilder.AppendLine(PermissionsLowerer.ProcessPermission(schemaNode, permission));
}
if (hasPermissions)
{
var permissionsExecuteSqlTask = new AstExecuteSqlTaskNode(packageNode)
{
Name = "__SetPermissions",
Connection = schemaNode.Connection,
};
permissionsExecuteSqlTask.Query = new AstExecuteSqlQueryNode(permissionsExecuteSqlTask)
{
Body = permissionBuilder.ToString(),
QueryType = QueryType.Standard
};
packageNode.Tasks.Add(permissionsExecuteSqlTask);
}
if (schemaNode.CustomExtensions != null)
{
packageNode.Tasks.Add(schemaNode.CustomExtensions);
}
astRootNode.Packages.Add(packageNode);
}
public static AstPackageNode ProcessTable(AstTableNode tableNode)
{
string packageTypeName = "Table";
if (tableNode is AstDimensionNode)
{
packageTypeName = "Dimension";
}
else if (tableNode is AstFactNode)
{
packageTypeName = "FactTable";
}
// TODO: Fix this null parent node
var packageNode = new AstPackageNode(tableNode.ParentItem);
packageNode.Name = tableNode.Name;
packageNode.PackageType = packageTypeName;
packageNode.Emit = tableNode.Emit;
LowerTable(packageNode, tableNode, tableNode.SchemaQualifiedName, false);
return packageNode;
}
private AstIR ProcessTableQuerySources(AstIR astIR)
{
List<AstTableNode> tables = new List<AstTableNode>();
tables.AddRange(astIR.AstRootNode.Dimensions.Cast<AstTableNode>());
tables.AddRange(astIR.AstRootNode.Facts.Cast<AstTableNode>());
tables.AddRange(astIR.AstRootNode.Tables);
foreach (AstTableNode table in tables)
{
foreach (AstTableQuerySourceNode querySource in table.Sources.OfType<AstTableQuerySourceNode>())
{
AstPackageNode package = new AstPackageNode();
package.ConstraintMode = ContainerConstraintMode.Linear;
package.DefaultPlatform = PlatformType.SSIS08;
package.Log = false;
package.Name = querySource.Name;
package.Type = "ETL";
AstStagingContainerTaskNode staging = new AstStagingContainerTaskNode();
staging.ConstraintMode = ContainerConstraintMode.Linear;
staging.Log = false;
staging.Name = querySource.Name;
staging.CreateAs = String.Format("__Staging_{0}_{1}", table.Name, querySource.Name);
staging.StagingConnection = table.Connection;
staging.Table = table;
AstETLRootNode etl = new AstETLRootNode();
etl.Name = String.Format("__ETL_Staging_{0}_{1}", table.Name, querySource.Name);
etl.DelayValidation = true;
AstQuerySourceNode source = new AstQuerySourceNode();
source.Connection = querySource.Connection;
source.Name = String.Format("__ETL_Staging_Source_{0}_{1}", table.Name, querySource.Name);
source.Query = querySource.Query;
etl.Transformations.Add(source);
AstDestinationNode destination = new AstDestinationNode();
destination.AccessMode = DestinationAccessModeFacet.TableFastLoad;
destination.CheckConstraints = true;
destination.TableLock = true;
destination.Connection = table.Connection;
destination.Name = String.Format("__ETL_Staging_Destination_{0}_{1}", table.Name, querySource.Name);
destination.TableName = staging.CreateAs;
destination.ValidateExternalMetadata = false;
etl.Transformations.Add(destination);
staging.Tasks.Add(etl);
AstMergeTaskNode merge = new AstMergeTaskNode();
merge.Connection = table.Connection;
merge.Name = String.Format("__Staging_Merge_{0}_{1}", table.Name, querySource.Name);
merge.SourceName = staging.CreateAs;
merge.TargetConstraint = table.PreferredKey;
staging.Tasks.Add(merge);
package.Tasks.Add(staging);
astIR.AstRootNode.Packages.Add(package);
}
}
return astIR;
}
