/// <summary>
/// コンストラクタ、親ノードと結合種類、テーブル、結合式を指定して初期化する
/// </summary>
/// <param name="parent">親ノード</param>
/// <param name="joinType">結合種類</param>
/// <param name="table">結合するテーブル</param>
/// <param name="on">結合式</param>
public Join(IQueryNode parent, JoinType joinType, ITable <TColumns> table, Expression <Func <TColumns, bool> > on)
{
var select = table as ISelect <TColumns>;
if (select is null)
{
table = table.AliasedClone();
}
else
{
QueryNodeHelper.SwitchParent(select, this);
}
this.Parent = parent;
this.JoinType = joinType;
this.Table = table;
this.Columns = table.Columns;
this.Owner.RegisterTable(table);
this.On = new ElementCode(
ParameterReplacer.Replace(
on.Body,
new Dictionary <Expression, object> {
{ on.Parameters[0], table.Columns }
}
),
this.Owner.AllColumns
);
}
/// <summary>
/// コンストラクタ、親ノードと取得元のテーブル定義を指定して初期化する
/// </summary>
/// <param name="parent">親ノード</param>
/// <param name="tableDef">テーブル定義</param>
public From(IQueryNode parent, ITable <TColumns> tableDef)
{
this.Parent = parent;
var clone = tableDef.AliasedClone();
this.Table = clone;
this.Columns = clone.Columns;
parent.Owner.Register(clone);
}
public From(IQueryNode parent, ITable <TColumns> table)
{
var select = table as ISelect <TColumns>;
if (select is null)
{
table = table.AliasedClone();
}
else
{
QueryNodeHelper.SwitchParent(select, this);
}
this.Parent = parent;
this.Table = table;
this.Columns = table.Columns;
this.Owner.RegisterTable(table);
}
/// <summary>
/// コンストラクタ、親ノードと結合種類、テーブル、結合式を指定して初期化する
/// </summary>
/// <param name="parent">親ノード</param>
/// <param name="joinType">結合種類</param>
/// <param name="table">結合するテーブル</param>
/// <param name="on">結合式</param>
public Join(IQueryNode parent, JoinType joinType, ITable <TColumns> table, Expression <Func <TColumns, bool> > on)
{
var clone = table.AliasedClone();
this.Parent = parent;
this.JoinType = joinType;
this.Table = clone;
this.Columns = clone.Columns;
this.Owner.Register(clone);
this.On = new ElementCode(
ParameterReplacer.Replace(
on.Body,
new Dictionary <Expression, object> {
{ on.Parameters[0], clone.Columns }
}
),
this.Owner.AllColumns
);
}
