FindSynonym() public method

public FindSynonym ( string name, string schema ) : Synonym
name string
schema string
return Synonym
Database Class Documentation
Exemplo n.º 1
0
		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;
		}