public async Task <ISet <DatabaseObject> > GetExistingObjectsAsync()
{
var cmd = _connection.CreateCommand();
cmd.Transaction = _transaction;
cmd.CommandText = @"
Select
o.name as objectName,
s.name as schemaName,
o.[type] as objectType
From sys.objects o
inner join sys.schemas s
on o.[schema_id] = s.[schema_id]
Where o.[type] in ('V', 'FN', 'IF', 'TF', 'P')
Union all
Select
t.name as objectName,
s.name as schemaName,
'TT' as objectType
From sys.types t
inner join sys.schemas s
on t.[schema_id] = s.[schema_id]
Where t.is_user_defined = 1
";
ISet <DatabaseObject> result = new HashSet <DatabaseObject>(new DatabaseObjectComparer());
await _logger.LogMessageAsync("Executing query to find pre-existing objects.", SeverityLevel.Verbose);
using (var reader = await cmd.ExecuteReaderAsync())
{
while (await reader.ReadAsync())
{
result.Add(new TypedDatabaseObject(
_serverName,
_databaseName,
await reader.GetFieldValueAsync <string>("schemaName"),
await reader.GetFieldValueAsync <string>("objectName"),
DatabaseIdentifierUtility.GetObjectTypeFromString(await reader.GetFieldValueAsync <string>("objectType"))));
}
}
await _logger.LogMessageAsync("Found " + result.Count + " existing objects in the database's current state.", SeverityLevel.Verbose);
return(result);
}
public TypedDatabaseObject GetDependency(string serverName, string databaseName)
{
return(new TypedDatabaseObject(serverName, databaseName, DependencySchemaName, DependencyName, DatabaseIdentifierUtility.GetObjectTypeFromString(DependencyType)));
}
