public override void Visit(IRefactorNode refactorNode)
{
IRefactoring refactoring = null;
if(refactorNode.Name == "add-audit-table")
refactoring = new AddAuditTableRefactoring();
if(refactoring != null)
{
refactoring.Execute(dbPlatform, refactorNode, Environment);
} // if
}
public void Execute(IDbPlatform platform, IRefactorNode refactorNode, Environment environment)
{
string auditTableName = AstNodePropertyUtil.AsString(refactorNode.Properties["audit-table"].Value);
string tableName = AstNodePropertyUtil.AsString(refactorNode.Properties["table"].Value);
//
// We only need columns here
ITableDefinition tableDefinition = environment.Schema.GetTable(tableName);
ITableDefinition auditTable = new TableDefinition(auditTableName);
foreach(ColumnDefinition column in tableDefinition.Columns)
{
//
// Keep name and type only.
IColumnDefinition auditColumn = new ColumnDefinition(column.Name);
//
// Special handling for rowversion
if(column.Type == DbType.Time)
{
auditColumn.Length = 8;
auditColumn.Type = DbType.Binary;
} // if
else
{
auditColumn.Length = column.Length;
auditColumn.Type = column.Type;
} // else
auditColumn.Nullable = true;
auditTable.AddColumn(auditColumn);
} // foreach
environment.Schema.AddTable(auditTable);
//
// Now build an AST
IAddTableNode addAuditTableNode = new AddTableNode(refactorNode.Parent, auditTableName);
foreach(IColumnDefinition auditColumn in auditTable.Columns)
{
IAddColumnNode addAuditColumnNode = new AddColumnNode(addAuditTableNode, auditColumn.Name);
addAuditColumnNode.Type = auditColumn.Type;
addAuditColumnNode.Length = auditColumn.Length;
addAuditColumnNode.Nullable = auditColumn.Nullable;
addAuditTableNode.ChildNodes.Add(addAuditColumnNode);
} // foreach
addAuditTableNode.Parent.ChildNodes.Add(addAuditTableNode);
}