/// <summary>Creates a new column.</summary>
public CsDbcViewRow_Column(CsDbArcColumn architecture, CsDbcViewRow row)
{
Row = row;
Architecture = architecture;
if (architecture.Name.StartsWith("Unsigned_"))
UnsignedVersion = new CsDbcViewRow_UnsignedColumn(this);
}
/// <summary>Associates two tables with each other. Automatically adds this relation to the associated table relation collection.</summary>
public static CsDbArcRelation Create(string name, CsDbArcColumn primary, CsDbArcColumn foreign)
{
var rv = new CsDbArcRelation {Name = name, PrimaryKey = primary, ForeignKey = foreign};
primary.Owner.AddRelation(rv);
foreign.Owner.AddRelation(rv);
return rv;
}
/// <summary>Removes the column from this table and removes all associated relations.</summary>
public override void RemoveColumn(CsDbArcColumn column)
{
if (column.Owner != this)
throw new InvalidOperationException("the column does not belong to the table.");
foreach (var relation in Relations.Where(x => x.PrimaryKey == column || x.ForeignKey == column))
{
relation.Remove();
}
base.RemoveColumn(column);
}
/// <summary>Creates a new column.</summary>
public CsDbcTableRow_Column(CsDbArcColumn architecture, CsDbCodeDataRow row)
{
Row = row;
Architecture = architecture;
}
