/// <summary>
/// 在枚举构架元素之前进行一些初始化的操作。
/// </summary>
/// <typeparam name="T">架构的类型。</typeparam>
/// <param name="connection">数据库链接对象。</param>
/// <param name="restrictionValues">限制数组。</param>
protected override void BeforeReturnSchemaElements <T>(DbConnection connection, string[] restrictionValues)
{
if (typeof(T) == typeof(Column))
{
var res = GetTableRestrictions(restrictionValues);
connection.As <OleDbConnection>(conn =>
{
tbPrimary = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Primary_Keys, res);
});
}
base.BeforeReturnSchemaElements <T>(connection, restrictionValues);
}
public static INorm AsText(this DbConnection connection) => connection.As(CommandType.Text);
public static INorm AsProcedure(this DbConnection connection) => connection.As(CommandType.StoredProcedure);