/// <summary>
/// Determine if a user exists.
/// </summary>
/// <param name="username">The name of the user.</param>
/// <returns>True if exists.</returns>
public bool UserExists(string username)
{
if (String.IsNullOrEmpty(username))
{
throw new ArgumentNullException(nameof(username));
}
DbExpression e = new DbExpression(_ORM.GetColumnName <UserRole>(nameof(UserRole.Username)), DbOperators.Equals, username);
return(_ORM.Exists <UserRole>(e));
}
/// <summary>
/// Check if a document has been indexed by its handle.
/// </summary>
/// <param name="handle">Handle.</param>
/// <returns>True if the document exists in the index.</returns>
public bool IsHandleIndexed(string handle)
{
if (String.IsNullOrEmpty(handle))
{
throw new ArgumentNullException(nameof(handle));
}
DbExpression e = new DbExpression(_ORM.GetColumnName <Document>(nameof(Document.Handle)), DbOperators.Equals, handle);
return(_ORM.Exists <Document>(e));
}
/// <summary>
/// Check existence by name.
/// </summary>
/// <param name="name">Name.</param>
/// <returns>True if exists.</returns>
public bool ExistsByName(string name)
{
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
Expr e = new Expr(_ORM.GetColumnName <Role>(nameof(Role.Name)), OperatorEnum.Equals, name);
return(_ORM.Exists <Role>(e));
}
/// <summary>
/// Check existence by user and role.
/// </summary>
/// <param name="user">User.</param>
/// <param name="role">Role.</param>
/// <returns>True if exists.</returns>
public bool Exists(User user, Role role)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
if (role == null)
{
throw new ArgumentNullException(nameof(role));
}
Expr e = new Expr(_ORM.GetColumnName <UserRole>(nameof(UserRole.UserGUID)), OperatorEnum.Equals, user.GUID);
e.PrependAnd(_ORM.GetColumnName <UserRole>(nameof(UserRole.RoleGUID)), OperatorEnum.Equals, role.GUID);
return(_ORM.Exists <UserRole>(e));
}
/// <summary>
/// Determine if an object exists in the index.
/// </summary>
/// <param name="key">Object key.</param>
/// <returns>True if the object exists.</returns>
public override bool Exists(string key)
{
if (String.IsNullOrEmpty(key))
{
return(false);
}
key = DedupeCommon.SanitizeString(key);
DbExpression e = new DbExpression(
_ORM.GetColumnName <DedupeObject>(nameof(DedupeObject.Key)),
DbOperators.Equals,
key);
return(_ORM.Exists <DedupeObject>(e));
}
static void Main(string[] args)
{
try
{
#region Setup
Console.Write("DB type [sqlserver|mysql|postgresql|sqlite]: ");
_DbType = Console.ReadLine();
if (String.IsNullOrEmpty(_DbType))
{
return;
}
_DbType = _DbType.ToLower();
if (_DbType.Equals("sqlserver") || _DbType.Equals("mysql") || _DbType.Equals("postgresql"))
{
Console.Write("User: "******"Password: "******"sqlserver":
_Settings = new DatabaseSettings(DbTypes.SqlServer, "localhost", 1433, _Username, _Password, "test");
break;
case "mysql":
_Settings = new DatabaseSettings(DbTypes.Mysql, "localhost", 3306, _Username, _Password, "test");
break;
case "postgresql":
_Settings = new DatabaseSettings(DbTypes.Postgresql, "localhost", 5432, _Username, _Password, "test");
break;
default:
return;
}
}
else if (_DbType.Equals("sqlite"))
{
Console.Write("Filename: ");
_Filename = Console.ReadLine();
if (String.IsNullOrEmpty(_Filename))
{
return;
}
_Settings = new DatabaseSettings(_Filename);
}
else
{
Console.WriteLine("Invalid database type.");
return;
}
_Orm = new WatsonORM(_Settings);
_Orm.InitializeDatabase();
DebugSettings debug = new DebugSettings();
debug.DatabaseQueries = true;
debug.DatabaseResults = true;
_Orm.Logger = Logger;
_Orm.Debug = debug;
_Orm.InitializeTable(typeof(Person));
_Orm.TruncateTable(typeof(Person));
Console.WriteLine("Using table: " + _Orm.GetTableName(typeof(Person)));
#endregion
#region Insert-Records
Person p1 = new Person("Abraham", "Lincoln", Convert.ToDateTime("1/1/1980"), null, 42, null, "initial notes p1", PersonType.Human, null, false);
Person p2 = new Person("Ronald", "Reagan", Convert.ToDateTime("2/2/1981"), Convert.ToDateTime("3/3/1982"), 43, 43, "initial notes p2", PersonType.Cat, PersonType.Cat, true);
Person p3 = new Person("George", "Bush", Convert.ToDateTime("3/3/1982"), null, 44, null, "initial notes p3", PersonType.Dog, PersonType.Dog, false);
Person p4 = new Person("Barack", "Obama", Convert.ToDateTime("4/4/1983"), Convert.ToDateTime("5/5/1983"), 45, null, "initial notes p4", PersonType.Human, null, true);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Creating p1");
p1 = _Orm.Insert <Person>(p1);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Creating p2");
p2 = _Orm.Insert <Person>(p2);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Creating p3");
p3 = _Orm.Insert <Person>(p3);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Creating p4");
p4 = _Orm.Insert <Person>(p4);
#endregion
#region Insert-Multiple-Records
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Creating p5 through p8");
Person p5 = new Person("Jason", "Christner", Convert.ToDateTime("4/21/2020"), null, 1, null, "initial notes p5", PersonType.Human, null, false);
Person p6 = new Person("Maria", "Sanchez", Convert.ToDateTime("10/10/1982"), Convert.ToDateTime("10/10/1982"), 38, null, "initial notes p6", PersonType.Cat, PersonType.Cat, true);
Person p7 = new Person("Eddie", "Van Halen", Convert.ToDateTime("3/3/1982"), null, 44, null, "initial notes p7", PersonType.Dog, PersonType.Dog, false);
Person p8 = new Person("Steve", "Vai", Convert.ToDateTime("4/4/1983"), Convert.ToDateTime("5/5/1983"), 45, null, "initial notes p8", PersonType.Human, null, true);
List <Person> people = new List <Person> {
p5, p6, p7, p8
};
_Orm.InsertMultiple <Person>(people);
#endregion
#region Exists-Count-Sum
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
DbExpression existsExpression = new DbExpression(_Orm.GetColumnName <Person>(nameof(Person.Id)), DbOperators.GreaterThan, 0);
Console.WriteLine("| Checking existence of records: " + _Orm.Exists <Person>(existsExpression));
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
DbExpression countExpression = new DbExpression(_Orm.GetColumnName <Person>(nameof(Person.Id)), DbOperators.GreaterThan, 2);
Console.WriteLine("| Checking count of records: " + _Orm.Count <Person>(countExpression));
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Checking sum of ages: " + _Orm.Sum <Person>(_Orm.GetColumnName <Person>(nameof(Person.Age)), existsExpression));
#endregion
#region Select
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting many by column name");
DbExpression eSelect1 = new DbExpression("id", DbOperators.GreaterThan, 0);
List <Person> selectedList1 = _Orm.SelectMany <Person>(null, null, eSelect1);
Console.WriteLine("| Retrieved: " + selectedList1.Count + " records");
foreach (Person curr in selectedList1)
{
Console.WriteLine(" | " + curr.ToString());
}
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting many by property name");
DbExpression eSelect2 = new DbExpression(
_Orm.GetColumnName <Person>(nameof(Person.FirstName)),
DbOperators.Equals,
"Abraham");
List <Person> selectedList2 = _Orm.SelectMany <Person>(null, null, eSelect2);
Console.WriteLine("| Retrieved: " + selectedList2.Count + " records");
foreach (Person curr in selectedList2)
{
Console.WriteLine(" | " + curr.ToString());
}
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting by ID");
Person pSelected = _Orm.SelectByPrimaryKey <Person>(3);
Console.WriteLine("| Selected: " + pSelected.ToString());
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting first by column name");
DbExpression eSelect3 = new DbExpression("id", DbOperators.Equals, 4);
pSelected = _Orm.SelectFirst <Person>(eSelect3);
Console.WriteLine("| Selected: " + pSelected.ToString());
#endregion
#region Update-Records
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating p1");
p1.Notes = "updated notes p1";
p1 = _Orm.Update <Person>(p1);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating p2");
p2.Notes = "updated notes p2";
p2 = _Orm.Update <Person>(p2);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating p3");
p3.Notes = "updated notes p3";
p3 = _Orm.Update <Person>(p3);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating p4");
p4.Notes = "updated notes p4";
p4 = _Orm.Update <Person>(p4);
#endregion
#region Update-Many-Records
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating many records");
Dictionary <string, object> updateVals = new Dictionary <string, object>();
updateVals.Add(_Orm.GetColumnName <Person>("Notes"), "Updated during update many!");
_Orm.UpdateMany <Person>(eSelect1, updateVals);
#endregion
#region Select
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting many, test 1");
selectedList1 = _Orm.SelectMany <Person>(null, null, eSelect1);
Console.WriteLine("| Retrieved: " + selectedList1.Count + " records");
foreach (Person curr in selectedList1)
{
Console.WriteLine(" | " + curr.ToString());
}
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting by ID");
pSelected = _Orm.SelectByPrimaryKey <Person>(3);
Console.WriteLine("| Selected: " + pSelected.ToString());
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting first");
pSelected = _Orm.SelectFirst <Person>(eSelect2);
Console.WriteLine("| Selected: " + pSelected.ToString());
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting between, test 1");
DbExpression eSelect4 = DbExpression.Between("id", new List <object> {
2, 4
});
selectedList1 = _Orm.SelectMany <Person>(null, null, eSelect4);
Console.WriteLine("| Retrieved: " + selectedList1.Count + " records");
foreach (Person curr in selectedList1)
{
Console.WriteLine(" | " + curr.ToString());
}
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting by persontype");
DbExpression eSelect5 = new DbExpression("persontype", DbOperators.Equals, PersonType.Dog);
selectedList1 = _Orm.SelectMany <Person>(null, null, eSelect5);
Console.WriteLine("| Retrieved: " + selectedList1.Count + " records");
foreach (Person curr in selectedList1)
{
Console.WriteLine(" | " + curr.ToString());
}
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting handsome people");
DbExpression eSelect6 = new DbExpression("ishandsome", DbOperators.Equals, true);
selectedList1 = _Orm.SelectMany <Person>(null, null, eSelect6);
Console.WriteLine("| Retrieved: " + selectedList1.Count + " records");
foreach (Person curr in selectedList1)
{
Console.WriteLine(" | " + curr.ToString());
}
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Selecting by reverse ID order");
DbExpression eSelect7 = new DbExpression("id", DbOperators.GreaterThan, 0);
DbResultOrder[] resultOrder = new DbResultOrder[1];
resultOrder[0] = new DbResultOrder("id", DbOrderDirection.Descending);
selectedList1 = _Orm.SelectMany <Person>(null, null, eSelect7, resultOrder);
Console.WriteLine("| Retrieved: " + selectedList1.Count + " records");
foreach (Person curr in selectedList1)
{
Console.WriteLine(" | " + curr.ToString());
}
#endregion
#region Exception
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Catching exception and displaying query");
try
{
_Orm.Query("SELECT * FROM person (((");
}
catch (Exception e)
{
Console.WriteLine("Exception: " + e.Message);
Console.WriteLine("Query : " + e.Data["Query"]);
}
#endregion
#region Delete-Records
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Deleting p1");
_Orm.Delete <Person>(p1);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Deleting p2");
_Orm.DeleteByPrimaryKey <Person>(2);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Deleting p3 and p4");
DbExpression eDelete = new DbExpression("id", DbOperators.GreaterThan, 2);
_Orm.DeleteMany <Person>(eDelete);
#endregion
}
catch (Exception e)
{
// Get stack trace for the exception with source file information
var st = new StackTrace(e, true);
// Get the top stack frame
var frame = st.GetFrame(0);
// Get the line number from the stack frame
var line = frame.GetFileLineNumber();
Console.WriteLine("Stack trace:" + Environment.NewLine + SerializeJson(st, true));
Console.WriteLine("Stack frame: " + Environment.NewLine + SerializeJson(st, true));
Console.WriteLine("Line number: " + line);
Console.WriteLine("Exception: " + Environment.NewLine + SerializeJson(e, true));
}
Console.WriteLine("");
Console.WriteLine("Press ENTER to exit");
Console.ReadLine();
}