public void AddForeignKey(Constraint c)
{
this.CheckModifyTable();
this.CheckCreateForeignKey(c);
Constraint uniqueConstraintForColumns = c.Core.MainTable.GetUniqueConstraintForColumns(c.Core.MainCols, c.Core.RefCols);
Index mainIndex = uniqueConstraintForColumns.GetMainIndex();
uniqueConstraintForColumns.CheckReferencedRows(this._session, this._table, c.Core.RefCols);
bool forward = false;
if (c.Core.MainTable.GetSchemaName() == this._table.GetSchemaName())
{
int tableIndex = this._database.schemaManager.GetTableIndex(this._table);
if ((tableIndex != -1) && (tableIndex < this._database.schemaManager.GetTableIndex(c.Core.MainTable)))
{
forward = true;
}
}
else
{
forward = true;
}
QNameManager.QName name = this._database.NameManager.NewAutoName("IDX", this._table.GetSchemaName(), this._table.GetName(), 20);
Index index = this._table.CreateIndexStructure(name, c.Core.RefCols, null, null, false, true, forward);
QNameManager.QName name2 = this._database.NameManager.NewAutoName("REF", c.GetName().Name, this._table.GetSchemaName(), this._table.GetName(), 20);
c.Core.UniqueName = uniqueConstraintForColumns.GetName();
c.Core.MainName = name2;
c.Core.MainIndex = mainIndex;
c.Core.RefTable = this._table;
c.Core.RefName = c.GetName();
c.Core.RefIndex = index;
c.IsForward = forward;
Table newTable = this._table.MoveDefinition(this._session, this._table.TableType, null, c, index, -1, 0, this.EmptySetQName, this.EmptySetQName);
this.MoveData(this._table, newTable, -1, 0);
this._database.schemaManager.AddSchemaObject(c);
this.SetNewTableInSchema(newTable);
this._database.schemaManager.GetTable(this._session, c.Core.MainTable.GetName().Name, c.Core.MainTable.GetSchemaName().Name).AddConstraint(new Constraint(name2, c));
this.UpdateConstraints(newTable, this.EmptySetQName);
this._database.schemaManager.RecompileDependentObjects(newTable);
this._table = newTable;
}
