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);
}
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));
}
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;
}
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);
}
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;
}
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;
}
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));
}
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);
}
}
}
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;
}
