public async Task <RowProvider> BuildTree(Sql.DmlDdlSqlStatement statement, ITransaction tran, InputStringNormalizer _)
{
if (!statement.IsCreate)
{
throw new ArgumentException();
}
Sql.DmlDdlSqlStatement.Create createStatement = (Sql.DmlDdlSqlStatement.Create)statement;
string tableName = createStatement.Item.Table;
var columns = createStatement.Item.ColumnList.ToList();
MetadataTablesManager tableManager = this.metadataManager.GetTableManager();
TableCreateDefinition tableCreateDefinition = new TableCreateDefinition();
tableCreateDefinition.TableName = tableName;
tableCreateDefinition.ColumnNames = columns.Select(c => c.Item3).ToArray();
tableCreateDefinition.ColumnTypes = columns.Select(c =>
{
if (c.Item1.IsDoubleCType)
{
return(new ColumnInfo(ColumnType.Double));
}
else if (c.Item1.IsIntCType)
{
return(new ColumnInfo(ColumnType.Int));
}
else if (c.Item1.IsStringCType)
{
if (c.Item2 > MAX_STRING_LENGTH)
{
throw new ArgumentException("String too big.");
}
return(new ColumnInfo(ColumnType.String, c.Item2));
}
else
{
throw new ArgumentException();
}
}).ToArray();
await tableManager.CreateObject(tableCreateDefinition, tran).ConfigureAwait(false);
return(new RowProvider(TaskExtension.EmptyEnumerable <RowHolder>(), new MetadataColumn[0]));
}
public IAsyncEnumerator <T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
{
return(TaskExtension.EmptyEnumerator <T>());
}