// Constructor
internal SqlJoinedTable(SqlJoinExpression joinExpression)
{
this.joinExpression = joinExpression;
var joinedColumns = joinExpression.Left.Columns.Concat(joinExpression.Right.Columns).ToList();
columns = new SqlTableColumnCollection(joinedColumns);
AliasedColumns = new SqlColumnCollection(columns.Cast <SqlColumn>().ToList());
}
internal override object Clone(SqlNodeCloneContext context)
{
if (context.NodeMapping.ContainsKey(this))
{
return(context.NodeMapping[this]);
}
var clone = new SqlJoinExpression(JoinType,
Left == null ? null : (SqlTable)Left.Clone(context),
Right == null ? null : (SqlTable)Right.Clone(context),
Expression == null ? null : (SqlExpression)Expression.Clone(context));
context.NodeMapping[this] = clone;
return(clone);
}
internal SqlJoinedTable(SqlJoinExpression joinExpression, IReadOnlyList <SqlColumn> leftColumns, IReadOnlyList <SqlColumn> rightColumns)
{
this.joinExpression = joinExpression;
var allLeftColumns = joinExpression.Left.Columns;
var allRightColumns = joinExpression.Right.Columns;
var joinedColumns = new List <SqlTableColumn>(allLeftColumns.Count + allRightColumns.Count);
joinedColumns.AddRange(allLeftColumns);
joinedColumns.AddRange(allRightColumns);
columns = new SqlTableColumnCollection(joinedColumns);
var aliasedColumns = new List <SqlColumn>(leftColumns.Count + rightColumns.Count);
aliasedColumns.AddRange(leftColumns);
aliasedColumns.AddRange(rightColumns);
AliasedColumns = new SqlColumnCollection(aliasedColumns);
}
// Constructor
internal SqlJoinedTable(SqlJoinExpression joinExpression)
: this(joinExpression, joinExpression.Left.Columns, joinExpression.Right.Columns)
{
}
internal SqlJoinedTable(SqlJoinExpression joinExpression, IEnumerable <SqlColumn> leftColumns, IEnumerable <SqlColumn> rightColumns)
: this(joinExpression)
{
AliasedColumns = new SqlColumnCollection(leftColumns.Concat(rightColumns).ToList());
}
