/// <summary>
/// SELECT multiple rows with pagination.
/// This operation will return an empty list if no matching objects are found.
/// The ordering used in the underlying query is ascending based on primary key column.
/// </summary>
/// <param name="indexStart">Index start.</param>
/// <param name="maxResults">Maximum number of results to retrieve.</param>
/// <param name="expr">Filter to apply when SELECTing rows (i.e. WHERE clause).</param>
/// <returns>List of objects.</returns>
public List <T> SelectMany <T>(int?indexStart, int?maxResults, DbExpression expr) where T : class, new()
{
if (!_Initialized)
{
throw new InvalidOperationException("Initialize WatsonORM and database using the .InitializeDatabase() method first.");
}
if (expr == null)
{
throw new ArgumentNullException(nameof(expr));
}
string tableName = _TypeMetadataMgr.GetTableNameFromType(typeof(T));
string primaryKeyColumnName = _TypeMetadataMgr.GetPrimaryKeyColumnName(typeof(T));
string primaryKeyPropertyName = _TypeMetadataMgr.GetPrimaryKeyPropertyName(typeof(T));
Expression e = WatsonORMCommon.DbExpressionConverter(expr);
e.PrependAnd(primaryKeyColumnName, WatsonORMCommon.DbOperatorsConverter(DbOperators.IsNotNull), null);
DbResultOrder[] resultOrder = new DbResultOrder[1];
resultOrder[0] = new DbResultOrder(primaryKeyColumnName, DbOrderDirection.Ascending);
DataTable result = _Database.Select(tableName, indexStart, maxResults, null, e, DbResultOrder.ConvertToResultOrder(resultOrder));
return(DataTableToObjectList <T>(result));
}
private List <Entry> GetPendingEntriesInternal(string accountGuid)
{
DbExpression e = new DbExpression(_ORM.GetColumnName <Entry>(nameof(Entry.AccountGUID)), DbOperators.Equals, accountGuid);
e.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.IsCommitted)), DbOperators.Equals, false);
e.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.CommittedUtc)), DbOperators.IsNull, null);
DbResultOrder[] ro = new DbResultOrder[1];
ro[0] = new DbResultOrder(_ORM.GetColumnName <Entry>(nameof(Entry.CreatedUtc)), DbOrderDirection.Descending);
return(_ORM.SelectMany <Entry>(null, null, e, ro));
}
private List <Account> GetAllAccountsInternal(string searchTerm = null)
{
DbResultOrder[] ro = new DbResultOrder[1];
ro[0] = new DbResultOrder(_ORM.GetColumnName <Entry>(nameof(Account.CreatedUtc)), DbOrderDirection.Descending);
DbExpression e1 = new DbExpression(_ORM.GetColumnName <Account>(nameof(Account.Id)), DbOperators.GreaterThan, 0);
if (!String.IsNullOrEmpty(searchTerm))
{
e1.PrependAnd(_ORM.GetColumnName <Account>(nameof(Account.Name)), DbOperators.Contains, searchTerm);
}
return(_ORM.SelectMany <Account>(null, null, e1, ro));
}
private Entry GetLatestBalanceEntryInternal(string accountGuid)
{
DbExpression e = new DbExpression(_ORM.GetColumnName <Entry>(nameof(Entry.AccountGUID)), DbOperators.Equals, accountGuid);
e.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.Type)), DbOperators.Equals, EntryType.Balance);
DbResultOrder[] ro = new DbResultOrder[1];
ro[0] = new DbResultOrder(_ORM.GetColumnName <Entry>(nameof(Entry.CreatedUtc)), DbOrderDirection.Descending);
List <Entry> balanceEntries = _ORM.SelectMany <Entry>(null, 1, e, ro);
if (balanceEntries != null && balanceEntries.Count == 1)
{
return(balanceEntries[0]);
}
return(null);
}
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();
}
static void Main(string[] args)
{
try
{
#region Setup
Console.Write("Filename: ");
_Filename = Console.ReadLine();
if (String.IsNullOrEmpty(_Filename))
{
return;
}
_Settings = new DatabaseSettings(_Filename);
_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 Create-and-Store-Records
DateTimeOffset localTime = new DateTimeOffset(Convert.ToDateTime("1/1/2021"));
Person p1 = new Person("Abraham", "Lincoln", Convert.ToDateTime("1/1/1980"), null, localTime, 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"), localTime, localTime, 43, 43, "initial notes p2", PersonType.Cat, PersonType.Cat, true);
Person p3 = new Person("George", "Bush", Convert.ToDateTime("3/3/1982"), null, localTime, 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"), localTime, localTime, 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 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.NullableType = null;
p1 = _Orm.Update <Person>(p1);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating p2");
p2.Notes = "updated notes p2";
p2.NullableType = null;
p2 = _Orm.Update <Person>(p2);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating p3");
p3.Notes = "updated notes p3";
p3.NullableType = null;
p3 = _Orm.Update <Person>(p3);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("");
}
Console.WriteLine("| Updating p4");
p4.Notes = "updated notes p4";
p4.NullableType = null;
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();
}
/// <summary>
/// Retrieve a list of entries matching the specified conditions.
/// </summary>
/// <param name="accountGuid">GUID of the account.</param>
/// <param name="startTimeUtc">Start time UTC.</param>
/// <param name="endTimeUtc">End time UTC.</param>
/// <param name="searchTerm">Search term that must appear in the entry description.</param>
/// <param name="entryType">The type of entry.</param>
/// <param name="amountMin">Minimum amount.</param>
/// <param name="amountMax">Maximum amount.</param>
/// <returns>List of matching entries.</returns>
public List <Entry> GetEntries(
string accountGuid,
DateTime?startTimeUtc = null,
DateTime?endTimeUtc = null,
string searchTerm = null,
EntryType?entryType = null,
decimal?amountMin = null,
decimal?amountMax = null)
{
if (startTimeUtc != null && endTimeUtc != null)
{
if (DateTime.Compare(Convert.ToDateTime(endTimeUtc), Convert.ToDateTime(startTimeUtc)) < 0)
{
throw new ArgumentException("Specified end time must be later than the specified start time.");
}
}
if (amountMin != null && amountMin.Value < 0)
{
throw new ArgumentException("Minimum amount must be zero or greater.");
}
if (amountMax != null && amountMax.Value < 0)
{
throw new ArgumentException("Maximum amount must be zero or greater.");
}
if (String.IsNullOrEmpty(accountGuid))
{
throw new ArgumentNullException(nameof(accountGuid));
}
Account a = GetAccountByGuidInternal(accountGuid);
if (a == null)
{
throw new KeyNotFoundException("Unable to find account with GUID " + accountGuid + ".");
}
try
{
LockAccount(accountGuid);
DbExpression e2 = new DbExpression(_ORM.GetColumnName <Entry>(nameof(Entry.AccountGUID)), DbOperators.Equals, accountGuid);
if (startTimeUtc != null)
{
e2.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.CreatedUtc)), DbOperators.GreaterThanOrEqualTo, startTimeUtc.Value);
}
if (endTimeUtc != null)
{
e2.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.CreatedUtc)), DbOperators.LessThanOrEqualTo, endTimeUtc.Value);
}
if (!String.IsNullOrEmpty(searchTerm))
{
e2.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.Description)), DbOperators.Contains, searchTerm);
}
if (amountMin != null)
{
e2.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.Amount)), DbOperators.GreaterThanOrEqualTo, amountMin.Value);
}
if (amountMax != null)
{
e2.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.Amount)), DbOperators.LessThanOrEqualTo, amountMax.Value);
}
if (entryType != null)
{
e2.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.Type)), DbOperators.Equals, entryType);
}
else
{
e2.PrependAnd(_ORM.GetColumnName <Entry>(nameof(Entry.Type)), DbOperators.NotEquals, EntryType.Balance);
}
DbResultOrder[] ro = new DbResultOrder[1];
ro[0] = new DbResultOrder(_ORM.GetColumnName <Entry>(nameof(Entry.CreatedUtc)), DbOrderDirection.Descending);
return(_ORM.SelectMany <Entry>(null, null, e2, ro));
}
finally
{
UnlockAccount(accountGuid);
}
}