/// <summary>
/// 加载程序集
/// </summary>
/// <param name="statement">statement</param>
/// <param name="command">指令</param>
/// <param name="dataSet">程序集</param>
/// <param name="tableNames">表名称</param>
private void LoadDataSet(Statement statement, DbCommand command, DataSet dataSet, params String[] tableNames)
{
Boolean schemaRequired = false;
Boolean disableConstraints = false;
if (statement.Hints != null && statement.Hints.Contains(DALExtStatementConstant.RETRIEVE_SCHEMA))
{
schemaRequired = true;
if (statement.Hints.Contains(DALExtStatementConstant.DISABLE_CONSTRAINTS))
{
disableConstraints = true;
}
}
if (tableNames == null || tableNames.Length == 0)
{
tableNames = new[] { "Table" }
}
;
for (Int32 i = 0; i < tableNames.Length; i++)
{
if (String.IsNullOrEmpty(tableNames[i]))
{
throw new ArgumentException(String.Concat("tableNames[", i, "]"));
}
}
using (var adapter = m_DatabaseProvider.CreateDataAdapter())
{
adapter.SelectCommand = command;
for (Int32 i = 0; i < tableNames.Length; i++)
{
String tableName = (i == 0) ? "Table" : "Table" + i;
adapter.TableMappings.Add(tableName, tableNames[i]);
}
if (schemaRequired)
{
adapter.FillSchema(dataSet, SchemaType.Mapped);
if (disableConstraints)
{
dataSet.EnforceConstraints = false;
}
}
adapter.Fill(dataSet);
}
}
