public void SimpleSelect()
		{
			Net4.MySql.DataBase db = Connect();
			var generator = new MySql.SqlGenerator();

			db.LoadSchema();

			Table historicoVentas = db.Schema.Tables.Where(t => t.Name == "historicoventa").Single();

			Select select = new Select();
			select.Table = historicoVentas;
			select.Columns.Add(new SelectColumn(historicoVentas["fecha"]));
			select.Columns.Add(new SelectColumn(historicoVentas["tipocambio"]));
			select.Columns.Add(new SelectColumn(historicoVentas["precio"]));

			Table cliente = db.Schema.Tables.Where(t => t.Name == "cliente").Single();

			SelectJoin joinCliente = new SelectJoin();
			joinCliente.Table = cliente;
			joinCliente.Columns.Add(new SelectColumn(cliente["RasonSocial"]));
			joinCliente.On.Add(new ColumnCompareFilter() { Column = historicoVentas["cliente"], ColumnToCompare = cliente["oid"] });

			select.Where.Add(new RangeFilter() { Column = historicoVentas["fecha"], MinValue = DateTime.Now.AddYears(-1), MaxValue = DateTime.Now });

			Command command = generator.Select(select);
			var result = db.GetDataTable(command);
		}
예제 #2
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		public void CreateTable()
		{
			DataBase db = Connect();
			var generator = new OKHOSTING.Sql.Net4.SqlServer.SqlGenerator();

			//define table schema
			Table table = new Table("test1");

			table.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, Table = table, IsAutoNumber = true });
			table.Columns.Add(new Column() { Name = "TextField", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = table });
			table.Columns.Add(new Column() { Name = "NumberField", DbType = DbType.Int32, IsNullable = false, Table = table });
			table.Indexes.Add(new Index() { Name = "IX_TextField", Unique = false, Table = table });
			table.Indexes[0].Columns.Add(table["TextField"]);

			//create
			var sql = generator.Create(table);
			db.Execute(sql);
			Assert.IsTrue(db.ExistsTable(table.Name));

			//add index
			sql = generator.Create(table.Indexes[0]);
			db.Execute(sql);

			//insert
			Insert insert = new Insert();
			insert.Table = table;
			//insert.Values.Add(new ColumnValue(table["Id"], 1));
			insert.Values.Add(new ColumnValue(table["TextField"], "test11"));
			insert.Values.Add(new ColumnValue(table["NumberField"], 100));

			sql = generator.Insert(insert);
			int affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert
			insert = new Insert();
			insert.Table = table;
			//insert.Values.Add(new ColumnValue(table["Id"], 2));
			insert.Values.Add(new ColumnValue(table["TextField"], "test15"));
			insert.Values.Add(new ColumnValue(table["NumberField"], 110));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//select
			Select select = new Select();
			select.Table = table;
			select.Columns.Add(table["id"]);
			select.Columns.Add(table["TextField"]);
			select.Where.Add(new ValueCompareFilter() { Column = table["TextField"], ValueToCompare = "test11", Operator = Data.CompareOperator.Equal });

			sql = generator.Select(select);
			var result = db.GetDataTable(sql);
			Assert.AreEqual(result.Count, 1);

			//update
			Update update = new Update();
			update.Table = table;
			update.Where.Add(new ValueCompareFilter() { Column = table["TextField"], ValueToCompare = "test11" });


			//delete
			Delete delete = new Delete();
			delete.Table = table;
			delete.Where.Add(new ValueCompareFilter() { Column = table["TextField"], ValueToCompare = "test11" });

			sql = generator.Delete(delete);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//drop
			sql = generator.Drop(table);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(table.Name));
		}
예제 #3
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		public override Command Select(Select select)
		{
			//Validating if the table argument is null
			if (select == null) throw new ArgumentNullException("select");

			if (select is SelectAggregate)
			{
				return Select((SelectAggregate)select);
			}

			//fix column filters tables names, if they come from a join, we should use the join alias if it exist
			foreach (ColumnFilter filter in select.Where.Where(f => f is ColumnFilter))
			{
				//this filter is using a join table's column, so we need to the join's table alias
				if (filter.Column.Table != select.Table)
				{
					foreach (SelectJoin join in select.Joins)
					{
						//this filter is unsong this join's table, so we assign it the table alias from the join
						if (filter.Column.Table == join.Table && !string.IsNullOrWhiteSpace(join.Alias) && join.Table.Name != join.Alias)
						{
							filter.TableAlias = join.Alias;
						}
					}
				}
			}

			//Creating Select sentence
			Command command = SelectClause(select);

			if (select.Limit != null && select.Limit.Count > 0)
			{
				command.Script = command.Script.Replace("SELECT", "SELECT " + LimitClause(select.Limit).Script);
			}

			command.Append(FromClause(select));
			command.Append(WhereClause(select.Where, LogicalOperator.And));
			command.Append(OrderByClause(select.OrderBy));
			command.Script += ScriptSeparator;

			//Returning the sql sentence
			return command;
		}
예제 #4
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		public void InnerJoinTest()
		{
			DataBase db = Connect();
			var generator = new OKHOSTING.Sql.Net4.SqlServer.SqlGenerator();

			// define table schema
			Table customer = new Table("customer");
			customer.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = customer });
			customer.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = customer });
			customer.Columns.Add(new Column() { Name = "Country", DbType = DbType.Int32, IsNullable = false, Table = customer });

			Table country = new Table("country");
			country.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = country });
			country.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = country });

			ForeignKey countryFK = new ForeignKey();
			countryFK.Table = customer;
			countryFK.RemoteTable = country;
			countryFK.Name = "FK_customer_country";
			countryFK.Columns.Add(new Tuple<Column, Column>(customer["Country"], country["id"]));
			countryFK.DeleteAction = countryFK.UpdateAction = ConstraintAction.Restrict;

			var sql = generator.Create(customer);
			db.Execute(sql);

			sql = generator.Create(country);
			db.Execute(sql);

			sql = generator.Create(countryFK);
			db.Execute(sql);

			//insert
			Insert insert2 = new Insert();
			insert2.Table = country;
			insert2.Values.Add(new ColumnValue(country["Id"], 1));
			insert2.Values.Add(new ColumnValue(country["Name"], "Mexico"));

			sql = generator.Insert(insert2);
			int affectedRows2 = db.Execute(sql);
			Assert.AreEqual(affectedRows2, 1);

			Insert insert = new Insert();
			insert.Table = customer;
			insert.Values.Add(new ColumnValue(customer["Id"], 1));
			insert.Values.Add(new ColumnValue(customer["Name"], "Angel"));
			insert.Values.Add(new ColumnValue(customer["Country"], 1));

			sql = generator.Insert(insert);
			int affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//select
			Select select = new Select();
			select.Table = customer;
			select.Columns.Add(new SelectColumn(customer["id"]));
			select.Columns.Add(new SelectColumn(customer["Name"]));

			SelectJoin join = new SelectJoin();
			join.Table = country;
			join.On.Add(new ColumnCompareFilter() { Column = customer["country"], ColumnToCompare = country["id"], Operator = Data.CompareOperator.Equal });
			join.Columns.Add(new SelectColumn(country["name"], "countryName"));
			join.JoinType = SelectJoinType.Inner;

			select.Joins.Add(join);

			sql = generator.Select(select);
			var result = db.GetDataTable(sql);

			foreach (IDataRow row in result)
			{
				foreach (object obj in row)
				{
					Console.Write(obj);
				}
			}

			Assert.AreEqual(result.Count, 1);
		}
예제 #5
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		public void InventoryTest()
		{
			DataBase db = Connect();
			var generator = new OKHOSTING.Sql.Net4.SqlServer.SqlGenerator();

			//Create table store
			Table store = new Table("store");
			store.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = store });
			store.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 50, IsNullable = false, Table = store });
			store.Columns.Add(new Column() { Name = "Inventory", DbType = DbType.AnsiString, Length = 50, IsNullable = false, Table = store });
			store.Columns.Add(new Column() { Name = "Employee", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = store });

			Command sql = generator.Create(store);
			db.Execute(sql);

			//First inserts store 
			Insert insert = new Insert();
			insert.Table = store;
			insert.Values.Add(new ColumnValue(store["Id"], 1));
			insert.Values.Add(new ColumnValue(store["Name"], "Abarrotes Torrez"));
			insert.Values.Add(new ColumnValue(store["Inventory"], "Torreon"));
			insert.Values.Add(new ColumnValue(store["Employee"], "Juan Rocha Gomez"));

			sql = generator.Insert(insert);
			int affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//Second inserts store
			insert = new Insert();
			insert.Table = store;
			insert.Values.Add(new ColumnValue(store["Id"], 2));
			insert.Values.Add(new ColumnValue(store["Name"], "La Furiosa"));
			insert.Values.Add(new ColumnValue(store["Inventory"], "Zacatecas"));
			insert.Values.Add(new ColumnValue(store["Employee"], "Martin Torrez"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//third inserts store
			insert = new Insert();
			insert.Table = store;
			insert.Values.Add(new ColumnValue(store["Id"], 3));
			insert.Values.Add(new ColumnValue(store["Name"], "Los dos amigos"));
			insert.Values.Add(new ColumnValue(store["Inventory"], "Durango"));
			insert.Values.Add(new ColumnValue(store["Employee"], "Luis Martinez"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//Fourth inserts store
			insert = new Insert();
			insert.Table = store;
			insert.Values.Add(new ColumnValue(store["Id"], 4));
			insert.Values.Add(new ColumnValue(store["Name"], "La Pasada"));
			insert.Values.Add(new ColumnValue(store["Inventory"], "Nayarit"));
			insert.Values.Add(new ColumnValue(store["Employee"], "Raul Gomez"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//select whit OrFilter
			Select select = new Select();
			select.Table = store;
			select.Columns.Add(store["id"]);
			select.Columns.Add(store["Name"]);
			select.Columns.Add(store["Employee"]);

			OrFilter filter = new OrFilter();
			filter.InnerFilters.Add(new ValueCompareFilter() { Column = store["id"], ValueToCompare = 1, Operator = Data.CompareOperator.Equal });
			filter.InnerFilters.Add(new ValueCompareFilter() { Column = store["id"], ValueToCompare = 2, Operator = Data.CompareOperator.Equal });
			select.Where.Add(filter);


			sql = generator.Select(select);
			var result = db.GetDataTable(sql);

			Assert.AreEqual(result.Count, 2);

			//select whit like
			select = new Select();
			select.Table = store;
			select.Columns.Add(store["Name"]);
			select.Columns.Add(store["Employee"]);
			select.Where.Add(new ValueCompareFilter() { Column = store["Name"], ValueToCompare = '%' + "la" + '%', Operator = Data.CompareOperator.Like });

			sql = generator.Select(select);
			result = db.GetDataTable(sql);
			Assert.AreEqual(result.Count, 2);


			Assert.AreEqual(result.Count, 0);


			//select whit AndFilter
			select = new Select();
			select.Table = store;
			select.Columns.Add(store["id"]);
			select.Columns.Add(store["Name"]);
			select.Columns.Add(store["Inventory"]);

			AndFilter and = new AndFilter();
			and.InnerFilters.Add(new ValueCompareFilter() { Column = store["id"], ValueToCompare = 1, Operator = Data.CompareOperator.Equal });
			and.InnerFilters.Add(new ValueCompareFilter() { Column = store["Name"], ValueToCompare = "Abarrotes Torrez", Operator = Data.CompareOperator.Equal });
			select.Where.Add(and);

			sql = generator.Select(select);
			result = db.GetDataTable(sql);
			Assert.AreEqual(result.Count, 0);

			//Drop table
			sql = generator.Drop(store);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(store.Name));
		}
		/// <summary>
		/// Creates the From Clause for a Select Sql Sentence
		/// </summary>
		/// <param name="table">
		/// Table for From Clause creation
		/// </param>
		/// <returns>
		/// From Clause from the Select Sql Sentence
		/// </returns>
		protected virtual Command FromClause(Select select)
		{
			//Validating if table argument is null
			if (select == null) throw new ArgumentNullException("select");

			//Creating the From Clause
			Command command = " From " + EncloseName(select.Table.Name);

			//resolve joins 
			foreach (SelectJoin join in select.Joins)
			{
				command.Script += " " + join.JoinType.ToString().ToUpper() + " JOIN " + EncloseName(join.Table.Name) + (string.IsNullOrWhiteSpace(join.Alias)? string.Empty : " " + join.Alias) + " ON ";
				command.Append(Filter(join.On, LogicalOperator.And));
			}

			//Returning the From sql Clause	
			return command;
		}
예제 #7
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		public void TablesTest()
		{
			DataBase db = Connect();
			var generator = new OKHOSTING.Sql.Net4.SqlServer.SqlGenerator();

			//Create table team			
			Table team = new Table("team");
			team.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = team });
			team.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 50, IsNullable = false, Table = team });
			team.Columns.Add(new Column() { Name = "Leage", DbType = DbType.Int32, IsNullable = false, Table = team });
			team.Columns.Add(new Column() { Name = "Country", DbType = DbType.Int32, IsNullable = false, Table = team });

			//Create table leage
			Table leage = new Table("leage");
			leage.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = leage });
			leage.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, IsNullable = false, Table = leage });

			//Create table country
			Table country = new Table("country");
			country.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = country });
			country.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, IsNullable = false, Table = country });

			//Create ForeignKey FK_team_country
			ForeignKey countryFK = new ForeignKey();
			countryFK.Table = team;
			countryFK.RemoteTable = country;
			countryFK.Name = "FK_team_country";
			countryFK.Columns.Add(new Tuple<Column, Column>(team["Country"], country["Id"]));
			countryFK.DeleteAction = countryFK.UpdateAction = ConstraintAction.Restrict;

			//Create ForeignKey FK_team_leage
			ForeignKey leageFK = new ForeignKey();
			leageFK.Table = team;
			leageFK.RemoteTable = leage;
			leageFK.Name = "FK_team_leage";
			leageFK.Columns.Add(new Tuple<Column, Column>(team["Leage"], leage["Id"]));
			leageFK.DeleteAction = countryFK.UpdateAction = ConstraintAction.Restrict;

			Command sql = generator.Create(team);
			db.Execute(sql);

			sql = generator.Create(leage);
			db.Execute(sql);

			sql = generator.Create(country);
			db.Execute(sql);

			//insert Country
			Insert insert = new Insert();
			insert.Table = country;
			insert.Values.Add(new ColumnValue(country["Id"], 15));
			insert.Values.Add(new ColumnValue(country["Name"], "Argentina"));

			sql = generator.Insert(insert);
			int affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			insert = new Insert();
			insert.Table = country;
			insert.Values.Add(new ColumnValue(country["Id"], 10));
			insert.Values.Add(new ColumnValue(country["Name"], "Brasil"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert leage
			insert = new Insert();
			insert.Table = leage;
			insert.Values.Add(new ColumnValue(leage["Id"], 100));
			insert.Values.Add(new ColumnValue(leage["Name"], "Champions"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			insert = new Insert();
			insert.Table = leage;
			insert.Values.Add(new ColumnValue(leage["Id"], 110));
			insert.Values.Add(new ColumnValue(leage["Name"], "Concacaff"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert team
			insert = new Insert();
			insert.Table = team;
			insert.Values.Add(new ColumnValue(team["Id"], 1));
			insert.Values.Add(new ColumnValue(team["Name"], "Barza"));
			insert.Values.Add(new ColumnValue(team["Leage"], 100));
			insert.Values.Add(new ColumnValue(team["Country"], 10));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			insert = new Insert();
			insert.Table = team;
			insert.Values.Add(new ColumnValue(team["Id"], 2));
			insert.Values.Add(new ColumnValue(team["Name"], "Pumas"));
			insert.Values.Add(new ColumnValue(team["Leage"], 110));
			insert.Values.Add(new ColumnValue(team["Country"], 15));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//select
			Select select = new Select();
			select.Table = team;
			select.Columns.Add(new SelectColumn(team["id"]));
			select.Columns.Add(new SelectColumn(team["Name"]));

			//Create inner join to country
			SelectJoin join = new SelectJoin();
			join.Table = country;
			join.On.Add(new ColumnCompareFilter() { Column = team["country"], ColumnToCompare = country["id"], Operator = Data.CompareOperator.Equal });
			join.Columns.Add(new SelectColumn(country["name"], "countryName"));
			join.JoinType = SelectJoinType.Inner;

			select.Joins.Add(join);

			//Create inner join to leage
			SelectJoin join2 = new SelectJoin();
			join2.Table = leage;
			join2.On.Add(new ColumnCompareFilter() { Column = team["leage"], ColumnToCompare = leage["id"], Operator = Data.CompareOperator.Equal });
			join2.Columns.Add(new SelectColumn(leage["name"], "leageName"));
			join2.JoinType = SelectJoinType.Inner;

			select.Joins.Add(join2);

			select.Where.Add(new ValueCompareFilter() { Column = team["Name"], ValueToCompare = "Pumas", Operator = Data.CompareOperator.Equal });
			sql = generator.Select(select);
			var result = db.GetDataTable(sql);

			//delete column id in table leage where id = 110
			Delete delete = new Delete();
			delete.Table = leage;
			delete.Where.Add(new ValueCompareFilter() { Column = leage["id"], ValueToCompare = 110, Operator = Data.CompareOperator.Equal });

			sql = generator.Delete(delete);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//drop table leage
			sql = generator.Drop(leage);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(leage.Name));

			//drop table country
			sql = generator.Drop(country);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(country.Name));

			//drop table team
			sql = generator.Drop(team);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(team.Name));
		}
		/// <summary>
		/// Creates the Select Clause of a Select Sql Sentence
		/// </summary>
		/// <param name="table">
		/// Table for Select Clause creation
		/// </param>
		/// <returns>
		/// Select Clause from the Select Sql Sentence
		/// </returns>
		protected virtual Command SelectClause(Select select)
		{
			//Validating if table argument is null
			if (select == null) throw new ArgumentNullException("select");
			
			//use all columns if none is defined
			if (select.Columns.Count == 0)
			{
				foreach (Column c in select.Table.Columns)
				{
					select.Columns.Add(c);
				}
			}

			//Creating Sql Clause
			string sql = "SELECT ";

			//Getting the Table DB table name
			string tableName = EncloseName(select.Table.Name);

			//Crossing all the loaded members
			foreach (var c in select.Columns)
			{
				sql += string.Format("{0}.{1}", EncloseName(c.Column.Table.Name), EncloseName(c.Column.Name));
				
				if (!string.IsNullOrWhiteSpace(c.Alias) && c.Alias != c.Column.Name)
				{
					sql += string.Format(" AS {0}", EncloseName(c.Alias));
				}

				sql += ", ";
			}

			//adding join columns
			foreach (var join in select.Joins)
			{
				foreach (var joinColumn in join.Columns)
				{
					string joinTableAlias = string.IsNullOrWhiteSpace(join.Alias) ? join.Table.Name : join.Alias;
					sql += string.Format("{0}.{1}", EncloseName(joinTableAlias), EncloseName(joinColumn.Column.Name));

					if (!string.IsNullOrWhiteSpace(joinColumn.Alias) && joinColumn.Alias != joinColumn.Column.Name)
					{
						sql += string.Format(" AS {0}", EncloseName(joinColumn.Alias));
					}

					sql += ", ";
				}
			}

			//Removing last ", "
			sql = sql.TrimEnd(',', ' ');

			//Returning the Sql Sentence
			return sql;
		}
예제 #9
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		public void MultiJoinTest()
		{
			//Open Connect to DataBase
			DataBase db = Connect();
			var generator = new OKHOSTING.Sql.MySql.SqlGenerator();

			// define table Customer
			Table customer = new Table("customer");
			customer.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = customer });
			customer.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = customer });

			// define table Product
			Table product = new Table("product");
			product.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = product });
			product.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = product });
			product.Columns.Add(new Column() { Name = "Price", DbType = DbType.Decimal, IsNullable = false, Table = product });

			// define table Tax
			Table tax = new Table("tax");
			tax.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = tax });
			tax.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = tax });
			tax.Columns.Add(new Column() { Name = "Rate", DbType = DbType.Decimal, IsNullable = false, Table = tax });

			// define table Sale
			Table sale = new Table("sale");
			sale.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = sale });
			sale.Columns.Add(new Column() { Name = "Date", DbType = DbType.Date, Table = sale });
			sale.Columns.Add(new Column() { Name = "Customer", DbType = DbType.Int32, IsNullable = false, Table = sale });
			sale.Columns.Add(new Column() { Name = "Product", DbType = DbType.Int32, IsNullable = false, Table = sale });
			sale.Columns.Add(new Column() { Name = "Tax", DbType = DbType.Int32, IsNullable = false, Table = sale });

			//define Foreign Key Sale to Customer
			ForeignKey customerFK = new ForeignKey();
			customerFK.Table = sale;
			customerFK.RemoteTable = customer;
			customerFK.Name = "FK_sale_customer";
			customerFK.Columns.Add(new Tuple<Column, Column>(sale["Customer"], customer["Id"]));
			customerFK.DeleteAction = customerFK.UpdateAction = ConstraintAction.Restrict;

			//define Foreign Key Sale to Product
			ForeignKey productFK = new ForeignKey();
			productFK.Table = sale;
			productFK.RemoteTable = product;
			productFK.Name = "FK_sale_product";
			productFK.Columns.Add(new Tuple<Column, Column>(sale["Product"], product["Id"]));
			productFK.DeleteAction = productFK.UpdateAction = ConstraintAction.Restrict;

			//define Foreign Key Sale to Tax
			ForeignKey taxFK = new ForeignKey();
			taxFK.Table = sale;
			taxFK.RemoteTable = tax;
			taxFK.Name = "FK_sale_tax";
			taxFK.Columns.Add(new Tuple<Column, Column>(sale["Tax"], tax["Id"]));
			taxFK.DeleteAction = taxFK.UpdateAction = ConstraintAction.Restrict;

			//Create table Customer
			var sql = generator.Create(customer);
			db.Execute(sql);

			//Create table Product
			sql = generator.Create(product);
			db.Execute(sql);

			//Create table Tax
			sql = generator.Create(tax);
			db.Execute(sql);

			//Create table Sale
			sql = generator.Create(sale);
			db.Execute(sql);

			//Create foreign Key Sale to Customer
			sql = generator.Create(customerFK);
			db.Execute(sql);

			//Create foreign Key Sale to Product
			sql = generator.Create(productFK);
			db.Execute(sql);

			//Create foreign Key Sale to Tax
			sql = generator.Create(taxFK);
			db.Execute(sql);


			//insert values into customer
			Insert insert = new Insert();
			insert.Table = customer;
			insert.Values.Add(new ColumnValue(customer["Id"], 1));
			insert.Values.Add(new ColumnValue(customer["Name"], "Joyas Loyane SA de CV"));

			sql = generator.Insert(insert);
			int affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert values into customer
			insert = new Insert();
			insert.Table = customer;
			insert.Values.Add(new ColumnValue(customer["Id"], 2));
			insert.Values.Add(new ColumnValue(customer["Name"], "Cartie Joyerias SC de CV"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert values into product
			insert = new Insert();
			insert.Table = product;
			insert.Values.Add(new ColumnValue(product["Id"], 1));
			insert.Values.Add(new ColumnValue(product["Name"], "Hosting"));
			insert.Values.Add(new ColumnValue(product["Price"], 125.50));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert values into product
			insert = new Insert();
			insert.Table = product;
			insert.Values.Add(new ColumnValue(product["Id"], 2));
			insert.Values.Add(new ColumnValue(product["Name"], "Web Page"));
			insert.Values.Add(new ColumnValue(product["Price"], 1300.75));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert values into tax
			insert = new Insert();
			insert.Table = tax;
			insert.Values.Add(new ColumnValue(tax["Id"], 1));
			insert.Values.Add(new ColumnValue(tax["Name"], "IVA"));
			insert.Values.Add(new ColumnValue(tax["Rate"], 16.00));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert values into sale
			insert = new Insert();
			insert.Table = sale;
			insert.Values.Add(new ColumnValue(sale["Id"], 1));
			insert.Values.Add(new ColumnValue(sale["Date"], DateTime.Today));
			insert.Values.Add(new ColumnValue(sale["Customer"], 1));
			insert.Values.Add(new ColumnValue(sale["Product"], 1));
			insert.Values.Add(new ColumnValue(sale["Tax"], 1));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert values into sale
			insert = new Insert();
			insert.Table = sale;
			insert.Values.Add(new ColumnValue(sale["Id"], 2));
			insert.Values.Add(new ColumnValue(sale["Date"], DateTime.Today));
			insert.Values.Add(new ColumnValue(sale["Customer"], 2));
			insert.Values.Add(new ColumnValue(sale["Product"], 2));
			insert.Values.Add(new ColumnValue(sale["Tax"], 1));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//select sale for customer 'Joyas Loyane SA de CV'
			Select select = new Select();
			select.Table = sale;
			select.Columns.Add(new SelectColumn(sale["id"]));
			select.Columns.Add(new SelectColumn(sale["Date"]));

			//join for get name Customer
			SelectJoin join = new SelectJoin();
			join.Table = customer;
			join.On.Add(new ColumnCompareFilter() { Column = sale["Customer"], ColumnToCompare = customer["Id"], Operator = Data.CompareOperator.Equal });
			join.Columns.Add(new SelectColumn(customer["Name"], "customerName"));
			join.JoinType = SelectJoinType.Inner;
			//Add Join in select
			select.Joins.Add(join);

			//join for get name Product
			SelectJoin join2 = new SelectJoin();
			join2.Table = product;
			join2.On.Add(new ColumnCompareFilter() { Column = sale["Product"], ColumnToCompare = product["Id"], Operator = Data.CompareOperator.Equal });
			join2.Columns.Add(new SelectColumn(product["Name"], "productName"));
			join2.JoinType = SelectJoinType.Inner;
			//Add Join in select
			select.Joins.Add(join2);

			//join for get name Tax
			SelectJoin join3 = new SelectJoin();
			join3.Table = tax;
			join3.On.Add(new ColumnCompareFilter() { Column = sale["Tax"], ColumnToCompare = tax["Id"], Operator = Data.CompareOperator.Equal });
			join3.Columns.Add(new SelectColumn(tax["Name"], "taxName"));
			join3.JoinType = SelectJoinType.Inner;
			//Add Join in select
			select.Joins.Add(join3);

			//Where Customer = Joyas Loyane SA de CV.
			select.Where.Add(new ValueCompareFilter() { Column = customer["Name"], ValueToCompare = "Joyas Loyane SA de CV", Operator = Data.CompareOperator.Equal });

			//Execute Select
			sql = generator.Select(select);
			var result = db.GetDataTable(sql);

			//Show result in Command Line
			foreach (IDataRow row in result)
			{
				foreach (object obj in row)
				{
					Console.Write(obj);
				}
			}

			Assert.AreEqual(result.Count, 1);

			//Drop Table Sale (Firts drop the table contains foreign keys)
			sql = generator.Drop(sale);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(sale.Name));

			//Drop Table Customer
			sql = generator.Drop(customer);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(sale.Name));

			//Drop Table Product
			sql = generator.Drop(product);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(sale.Name));

			//Drop Table Tax
			sql = generator.Drop(tax);
			db.Execute(sql);
			Assert.IsFalse(db.ExistsTable(sale.Name));
		}
예제 #10
0
		public void selectLike()
		{
			//Open Connect to DataBase
			DataBase db = Connect();
			var generator = new OKHOSTING.Sql.MySql.SqlGenerator();

			//define table Address
			Table table = new Table("Address");

			table.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = table });
			table.Columns.Add(new Column() { Name = "Street", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = table });
			table.Columns.Add(new Column() { Name = "Number", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = table });
			table.Columns.Add(new Column() { Name = "Suburb", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = table });
			table.Columns.Add(new Column() { Name = "State", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = table });
			table.Columns.Add(new Column() { Name = "Country", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = table });

			//create tanle Address
			var sql = generator.Create(table);
			db.Execute(sql);
			Assert.IsTrue(db.ExistsTable(table.Name));

			//insert values into Address
			Insert insert = new Insert();
			insert.Table = table;
			insert.Values.Add(new ColumnValue(table["Id"], 1));
			insert.Values.Add(new ColumnValue(table["Street"], "First Avenue"));
			insert.Values.Add(new ColumnValue(table["Number"], "12-B"));
			insert.Values.Add(new ColumnValue(table["Suburb"], "The Roses"));
			insert.Values.Add(new ColumnValue(table["State"], "California"));
			insert.Values.Add(new ColumnValue(table["Country"], "United States"));

			sql = generator.Insert(insert);
			int affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//insert values into Address
			insert = new Insert();
			insert.Table = table;
			insert.Values.Add(new ColumnValue(table["Id"], 2));
			insert.Values.Add(new ColumnValue(table["Street"], "Second Life"));
			insert.Values.Add(new ColumnValue(table["Number"], "1120"));
			insert.Values.Add(new ColumnValue(table["Suburb"], "Park Avenue"));
			insert.Values.Add(new ColumnValue(table["State"], "New York"));
			insert.Values.Add(new ColumnValue(table["Country"], "United States"));

			sql = generator.Insert(insert);
			affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//SELECT street and suburb FROM address WHERE street LIKE 'Second'
			Select select = new Select();
			select.Table = table;
			select.Columns.Add(table["Id"]);
			select.Columns.Add(table["Street"]);
			select.Columns.Add(table["Suburb"]);
			select.Where.Add(new ValueCompareFilter() { Column = table["Street"], ValueToCompare = "Second", Operator = Data.CompareOperator.Like });

			sql = generator.Select(select);
			var result = db.GetDataTable(sql);

			//Show result from query
			foreach (IDataRow row in result)
			{
				foreach (object obj in row)
				{
					Console.Write(obj);
				}
			}

		}
예제 #11
0
		public void selectPerson()
		{
			//open connect to database
			DataBase db = Connect();
			var generator = new OKHOSTING.Sql.MySql.SqlGenerator();

			//define table person
			Table table = new Table("Person");

			table.Columns.Add(new Column() { Name = "Id", DbType = DbType.Int32, IsPrimaryKey = true, IsAutoNumber = true, Table = table });
			table.Columns.Add(new Column() { Name = "Name", DbType = DbType.AnsiString, Length = 100, IsNullable = false, Table = table });
			table.Columns.Add(new Column() { Name = "Age", DbType = DbType.Int32, IsNullable = false, Table = table });


			//create table person
			var sql = generator.Create(table);
			db.Execute(sql);
			Assert.IsTrue(db.ExistsTable(table.Name));

			//insert values into person
			Insert insert = new Insert();
			insert.Table = table;
			insert.Values.Add(new ColumnValue(table["Id"], 1));
			insert.Values.Add(new ColumnValue(table["Name"], "Angel"));
			insert.Values.Add(new ColumnValue(table["Age"], 25));

			sql = generator.Insert(insert);
			int affectedRows = db.Execute(sql);
			Assert.AreEqual(affectedRows, 1);

			//SELECT id, name, age FROM person WHERE name='Angel'
			Select select = new Select();
			select.Table = table;
			select.Columns.Add(table["Id"]);
			select.Columns.Add(table["Name"]);
			select.Columns.Add(table["Age"]);
			select.Where.Add(new ValueCompareFilter() { Column = table["Name"], ValueToCompare = "Angel", Operator = Data.CompareOperator.Equal });

			sql = generator.Select(select);
			var result = db.GetDataTable(sql);

			//Show result in command line
			foreach (IDataRow row in result)
			{
				foreach (object obj in row)
				{
					Console.Write(obj);
				}
			}

			Assert.AreEqual(result.Count, 1);
		}
		/// <summary>
		/// Returns the From clausule for a Select statement of the
		/// specified TypeMap<T>, including the respective inner joins
		/// to the related entities
		/// </summary>
		/// <param name="dtype">
		/// TypeMap<T> wich you desire the From clausule
		/// </param>
		/// <returns>
		/// From clausule for a Select statement of the
		/// specified TypeMap<T>, including the respective inner joins
		/// to the related entities
		/// </returns>
		protected override Command FromClause(Select select)
		{
			//Validating if dtype argument is null
			if (select == null)
			{
				throw new ArgumentNullException("select");
			}
			
			//Getting the number of parent DataTypes that have the specified TypeMap<T>
			int parentDataTypes = select.Joins.Count();

			//Initializing the sql sequence
			Command command = 
				"FROM " + 
				new String('(', parentDataTypes - 1) + 
				EncloseName(select.Table.Name);

			//Crossing the parent DataTypes of the specified type
			foreach(SelectJoin join in select.Joins)
			{
				//Creating the respective inner join clausule
				command += " INNER JOIN " + EncloseName(join.Table.Name) + " ON ";

				//Creating the link conditions of the join (ON clausule body)
				command += Filter(join.On, LogicalOperator.And);

				//Removing the last " AND "
				command.Script = command.Script.Remove(command.Script.Length - 5, 5);

				//Closing the inner join
				command += ")";
			}

			//Retrieving sql sentence
			return command;
		}