public void TestScript()
{
var person = new Table("dbo", "Person");
person.Columns.Add(new Column("id", "int", false, null));
person.Columns.Add(new Column("name", "varchar", 50, false, null));
person.Columns.Find("id").Identity = new Identity(1, 1);
person.Constraints.Add(new Constraint("PK_Person", "PRIMARY KEY", "id"));
var address = new Table("dbo", "Address");
address.Columns.Add(new Column("id", "int", false, null));
address.Columns.Add(new Column("personId", "int", false, null));
address.Columns.Add(new Column("street", "varchar", 50, false, null));
address.Columns.Add(new Column("city", "varchar", 50, false, null));
address.Columns.Add(new Column("state", "char", 2, false, null));
address.Columns.Add(new Column("zip", "varchar", 5, false, null));
address.Columns.Find("id").Identity = new Identity(1, 1);
address.Constraints.Add(new Constraint("PK_Address", "PRIMARY KEY", "id"));
var fk = new ForeignKey(address, "FK_Address_Person", "personId", person, "id", "", "CASCADE");
TestHelper.ExecSql(person.ScriptCreate(), "");
TestHelper.ExecSql(address.ScriptCreate(), "");
TestHelper.ExecSql(fk.ScriptCreate(), "");
TestHelper.ExecSql("drop table Address", "");
TestHelper.ExecSql("drop table Person", "");
}
public DatabaseDiff Compare(Database db)
{
var diff = new DatabaseDiff();
diff.Db = db;
//compare database properties
foreach (DbProp p in Props)
{
DbProp p2 = db.FindProp(p.Name);
if (p.Script() != p2.Script())
{
diff.PropsChanged.Add(p);
}
}
//get tables added and changed
foreach (Table t in Tables)
{
Table t2 = db.FindTable(t.Name, t.Owner);
if (t2 == null)
{
diff.TablesAdded.Add(t);
}
else
{
//compare mutual tables
TableDiff tDiff = t.Compare(t2);
if (tDiff.IsDiff)
{
diff.TablesDiff.Add(tDiff);
}
}
}
//get deleted tables
foreach (Table t in db.Tables)
{
if (FindTable(t.Name, t.Owner) == null)
{
diff.TablesDeleted.Add(t);
}
}
//get procs added and changed
foreach (Routine r in Routines)
{
Routine r2 = db.FindRoutine(r.Name, r.Schema);
if (r2 == null)
{
diff.RoutinesAdded.Add(r);
}
else
{
//compare mutual procs
if (r.Text != r2.Text)
{
diff.RoutinesDiff.Add(r);
}
}
}
//get procs deleted
foreach (Routine r in db.Routines)
{
if (FindRoutine(r.Name, r.Schema) == null)
{
diff.RoutinesDeleted.Add(r);
}
}
//get added and compare mutual foreign keys
foreach (ForeignKey fk in ForeignKeys)
{
ForeignKey fk2 = db.FindForeignKey(fk.Name);
if (fk2 == null)
{
diff.ForeignKeysAdded.Add(fk);
}
else
{
if (fk.ScriptCreate() != fk2.ScriptCreate())
{
diff.ForeignKeysDiff.Add(fk);
}
}
}
//get deleted foreign keys
foreach (ForeignKey fk in db.ForeignKeys)
{
if (FindForeignKey(fk.Name) == null)
{
diff.ForeignKeysDeleted.Add(fk);
}
}
return(diff);
}
