public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return false;
}
ForeignKeyHelper fkh = (ForeignKeyHelper)obj;
if (this.ExternColumnName != fkh.ExternColumnName || this.ExternTableName != fkh.ExternTableName)
return false;
return true;
}
public ForeignKeyHelper getFKHFromColumn(Column column)
{
foreach (ForeignKey fk in ForeignKeys)
{
ForeignKeyHelper tmp = fk.getHelper(column);
if (tmp != null)
{
return(tmp);
}
}
return(null);
}
public bool visiteColumn(Column column, Table table, DatabaseXML db)
{
ForeignKeyHelper fkh = table.getFKHFromColumn(column);
if (fkh != null)
{
Table externTable;
try
{
externTable = db.getTableByName(fkh.ExternTableName);
}
catch (Exception e)
{
errors.Add(e.Message + " of the database " + db.Name);
return(false);
}
Column externColumn;
try
{
externColumn = externTable.getColumnByName(fkh.ExternColumnName);
}
catch (Exception e)
{
errors.Add(e.Message + " of the database " + db.Name);
return(false);
}
if (column.Type == externColumn.Type && column.Length == externColumn.Length)
{
return(true);
}
else
{
string s = "Un problème de type de champ est apparue dans une clé étrangère entre le champ " + column.Name + " de la table " + table.Name + " et le champ " + externColumn.Name + " de la table " + externTable;
errors.Add(s);
return(false);
}
}
return(true);
}