/// <summary>
/// 指定された型情報から主キーによる更新クエリを生成します。
/// </summary>
/// <typeparam name="T">テーブルの型</typeparam>
/// <param name="properties">更新対象の列</param>
/// <returns>生成されたSQL</returns>
/// <remarks>
/// [作成例]
///
/// update TableName
/// set
/// Column3 = :Column3
/// Column4 = :Column4
/// where Column1 = :Column1
/// and Column2 = :Column2
/// </remarks>
public static string CreateUpdateSql <T>(params Expression <Func <T, object> >[] properties)
{
var primaries = This.GetPrimaryKeyProperties <T>().Select(x => string.Format("{0} = :{0}", x));
var separator = string.Format("{0}and ", Environment.NewLine);
var builder = new StringBuilder();
builder.AppendLine(This.CreateUpdateAllSql <T>(properties));
builder.Append("where ");
builder.Append(string.Join(separator, primaries));
return(builder.ToString());
}
/// <summary>
/// 指定された型情報から主キーによるレコード検索クエリを生成します。
/// </summary>
/// <typeparam name="T">テーブルの型</typeparam>
/// <param name="properties">取得対象の列</param>
/// <returns>生成されたSQL</returns>
/// <remarks>
/// [作成例]
///
/// select * from ACNSM.NSM_M_COMMON
/// where MASTER_CD_KBN = :MASTER_CD_KBN
/// and CD_KBN = :CD_KBN
/// </remarks>
public static string CreateSelectSql <T>(DB dB = DB.SQLServer, params Expression <Func <T, object> >[] properties)
{
IEnumerable <string> primaries = null;
switch (dB)
{
case DB.SQLServer:
primaries = This.GetPrimaryKeyProperties <T>().Select(x => string.Format("{0} = @{0}", x));
break;
case DB.Oracle:
primaries = This.GetPrimaryKeyProperties <T>().Select(x => string.Format("{0} = :{0}", x));
break;
}
//var primaries = This.GetPrimaryKeyProperties<T>().Select(x => string.Format("{0} = :{0}", x));
var separator = string.Format("{0}and ", Environment.NewLine);
var builder = new StringBuilder();
builder.AppendLine(This.CreateSelectAllSql <T>(properties));
builder.Append(" where ");
builder.Append(string.Join(separator, primaries));
return(builder.ToString());
}
