public void TestCreateTableParser()
{
var t = new Table("dbo", "Status");
t.Columns.Add(new Column("id", "int", false, null){Position = 1});
t.Columns.Add(new Column("code", "char", 1, false, null){Position = 2});
t.Columns.Add(new Column("description", "varchar", 20, false, null){Position = 3});
t.Columns.Find("id").Identity = new Identity(1, 1);
t.Constraints.Add(new Constraint("PK_Status", "PRIMARY KEY", "id"));
var db = new Database();
var script = t.ScriptCreate();
db.ParseSql(script);
var t2 = db.FindTable("Status", "dbo");
var diff = t2.Compare(t);
Assert.IsFalse(diff.IsDiff);
}
private static void HandleDataTables(Database db, string tableNames) {
foreach (var value in tableNames.Split(',')) {
var schema = "dbo";
var name = value;
if (value.Contains(".")) {
schema = value.Split('.')[0];
name = value.Split('.')[1];
}
var t = db.FindTable(name, schema);
if (t == null) {
Console.WriteLine(
"warning: could not find data table {0}.{1}",
schema, name);
}
if (db.DataTables.Contains(t)) continue;
db.DataTables.Add(t);
}
}
public DatabaseDiff Compare(Database db) {
var diff = new DatabaseDiff();
diff.Db = db;
//compare database properties
foreach (var p in from p in Props
let p2 = db.FindProp(p.Name)
where p.Script() != p2.Script()
select p) {
diff.PropsChanged.Add(p);
}
//get tables added and changed
foreach (var tables in new[] {Tables, TableTypes}) {
foreach (var t in tables) {
var t2 = db.FindTable(t.Name, t.Owner, t.IsType);
if (t2 == null) {
diff.TablesAdded.Add(t);
} else {
//compare mutual tables
var tDiff = t.Compare(t2);
if (tDiff.IsDiff) {
if (t.IsType) {
// types cannot be altered...
diff.TableTypesDiff.Add(t);
} else {
diff.TablesDiff.Add(tDiff);
}
}
}
}
}
//get deleted tables
foreach (var t in db.Tables.Concat(db.TableTypes).Where(t => FindTable(t.Name, t.Owner, t.IsType) == null)) {
diff.TablesDeleted.Add(t);
}
//get procs added and changed
foreach (var r in Routines) {
var r2 = db.FindRoutine(r.Name, r.Owner);
if (r2 == null) {
diff.RoutinesAdded.Add(r);
} else {
//compare mutual procs
if (r.Text.Trim() != r2.Text.Trim()) {
diff.RoutinesDiff.Add(r);
}
}
}
//get procs deleted
foreach (var r in db.Routines.Where(r => FindRoutine(r.Name, r.Owner) == null)) {
diff.RoutinesDeleted.Add(r);
}
//get added and compare mutual foreign keys
foreach (var fk in ForeignKeys) {
var fk2 = db.FindForeignKey(fk.Name, fk.Table.Owner);
if (fk2 == null) {
diff.ForeignKeysAdded.Add(fk);
} else {
if (fk.ScriptCreate() != fk2.ScriptCreate()) {
diff.ForeignKeysDiff.Add(fk);
}
}
}
//get deleted foreign keys
foreach (var fk in db.ForeignKeys.Where(fk => FindForeignKey(fk.Name, fk.Table.Owner) == null)) {
diff.ForeignKeysDeleted.Add(fk);
}
//get added and compare mutual assemblies
foreach (var a in Assemblies) {
var a2 = db.FindAssembly(a.Name);
if (a2 == null) {
diff.AssembliesAdded.Add(a);
} else {
if (a.ScriptCreate() != a2.ScriptCreate()) {
diff.AssembliesDiff.Add(a);
}
}
}
//get deleted assemblies
foreach (var a in db.Assemblies.Where(a => FindAssembly(a.Name) == null)) {
diff.AssembliesDeleted.Add(a);
}
//get added and compare mutual users
foreach (var u in Users) {
var u2 = db.FindUser(u.Name);
if (u2 == null) {
diff.UsersAdded.Add(u);
} else {
if (u.ScriptCreate() != u2.ScriptCreate()) {
diff.UsersDiff.Add(u);
}
}
}
//get deleted users
foreach (var u in db.Users.Where(u => FindUser(u.Name) == null)) {
diff.UsersDeleted.Add(u);
}
//get added and compare view indexes
foreach (var c in ViewIndexes) {
var c2 = db.FindViewIndex(c.Name);
if (c2 == null) {
diff.ViewIndexesAdded.Add(c);
} else {
if (c.ScriptCreate() != c2.ScriptCreate()) {
diff.ViewIndexesDiff.Add(c);
}
}
}
//get deleted view indexes
foreach (var c in db.ViewIndexes.Where(c => FindViewIndex(c.Name) == null)) {
diff.ViewIndexesDeleted.Add(c);
}
//get added and compare synonyms
foreach (var s in Synonyms) {
var s2 = db.FindSynonym(s.Name, s.Owner);
if (s2 == null) {
diff.SynonymsAdded.Add(s);
} else {
if (s.BaseObjectName != s2.BaseObjectName) {
diff.SynonymsDiff.Add(s);
}
}
}
//get deleted synonyms
foreach (var s in db.Synonyms.Where(s => FindSynonym(s.Name, s.Owner) == null)) {
diff.SynonymsDeleted.Add(s);
}
return diff;
}
public void TestScript() {
var db = new Database("TEST_TEMP");
var t1 = new Table("dbo", "t1");
t1.Columns.Add(new Column("col1", "int", false, null) {Position = 1});
t1.Columns.Add(new Column("col2", "int", false, null) {Position = 2});
t1.AddConstraint(new Constraint("pk_t1", "PRIMARY KEY", "col1,col2"));
t1.FindConstraint("pk_t1").Clustered = true;
var t2 = new Table("dbo", "t2");
t2.Columns.Add(new Column("col1", "int", false, null) {Position = 1});
t2.Columns.Add(new Column("col2", "int", false, null) {Position = 2});
t2.Columns.Add(new Column("col3", "int", false, null) {Position = 3});
t2.AddConstraint(new Constraint("pk_t2", "PRIMARY KEY", "col1"));
t2.FindConstraint("pk_t2").Clustered = true;
t2.AddConstraint(new Constraint("IX_col3", "UNIQUE", "col3"));
db.ForeignKeys.Add(new ForeignKey(t2, "fk_t2_t1", "col2,col3", t1, "col1,col2"));
db.Tables.Add(t1);
db.Tables.Add(t2);
TestHelper.DropDb("TEST_TEMP");
SqlConnection.ClearAllPools();
TestHelper.ExecBatchSql(db.ScriptCreate(), "master");
var db2 = new Database();
db2.Connection = TestHelper.GetConnString("TEST_TEMP");
db2.Load();
TestHelper.DropDb("TEST_TEMP");
foreach (var t in db.Tables) {
Assert.IsNotNull(db2.FindTable(t.Name, t.Owner));
Assert.IsFalse(db2.FindTable(t.Name, t.Owner).Compare(t).IsDiff);
}
}
