/// <summary>
/// Manages the signatures of objects in the schema database
/// </summary>
/// <param name="connection">The connection to the database</param>
/// <param name="schemaGroup">The name of the schema group to modify</param>
public SchemaRegistry(RecordingDbConnection connection, string schemaGroup)
{
SchemaGroup = schemaGroup;
Connection = connection;
// make sure we have a table to work with
EnsureSchemaTable();
// load in the entries from the database
Connection.DoNotLog(() =>
{
Entries = Connection.QuerySql(
String.Format(CultureInfo.InvariantCulture, "SELECT * FROM [{0}] WHERE SchemaGroup = @SchemaGroup", SchemaRegistryTableName),
new Dictionary <string, object>()
{
{ "SchemaGroup", schemaGroup }
}).Select(
(dynamic e) => new SchemaRegistryEntry()
{
SchemaGroup = e.SchemaGroup,
ObjectName = e.ObjectName,
Signature = e.Signature,
Type = (SchemaObjectType)Enum.Parse(typeof(SchemaObjectType), e.Type),
OriginalOrder = e.OriginalOrder
}).ToList();
// automatically handle the old format for entries
// WAS: 'ROLE [foo]'
// NOW: '[foo]'
foreach (var entry in Entries.Where(e =>
e.Type == SchemaObjectType.Schema ||
e.Type == SchemaObjectType.Login ||
e.Type == SchemaObjectType.User ||
e.Type == SchemaObjectType.Role ||
e.Type == SchemaObjectType.Queue ||
e.Type == SchemaObjectType.Service))
{
entry.ObjectName = _registryUpgradeRegex.Replace(entry.ObjectName, "");
}
// automatically reformat names to fully qualified name
// WAS: '[foo]'
// NOW: '[dbo].[foo]'
foreach (var entry in Entries)
{
entry.ObjectName = new SchemaObject(entry.Type, entry.ObjectName, null).Name;
}
});
}
/// <summary>
/// Determine if this is a type of object that we can modify.
/// </summary>
/// <param name="type">The type of the object.</param>
/// <returns>True if we know how to drop the object.</returns>
internal bool CanModify(SchemaInstaller.InstallContext context, RecordingDbConnection connection)
{
return(connection.DoNotLog(() => _implementation.CanModify(context, connection)));
}