internal BucketStatistics GetFullStatistics()
{
BucketStatistics ret = new BucketStatistics();
ret.Name = _Bucket.Name;
ret.GUID = _Bucket.GUID;
ret.Objects = 0;
ret.Bytes = 0;
string countQuery = "SELECT COUNT(*) AS numobjects, SUM(contentlength) AS totalbytes FROM objects WHERE bucketguid = '" + _Bucket.GUID + "'";
DataTable result = _ORM.Query(countQuery);
if (result != null && result.Rows.Count == 1)
{
if (result.Rows[0].Table.Columns.Contains("numobjects") &&
result.Rows[0]["NumObjects"] != DBNull.Value &&
result.Rows[0]["NumObjects"] != null)
{
ret.Objects = Convert.ToInt64(result.Rows[0]["numobjects"]);
}
if (result.Rows[0].Table.Columns.Contains("totalbytes") &&
result.Rows[0]["TotalBytes"] != DBNull.Value &&
result.Rows[0]["TotalBytes"] != null)
{
ret.Bytes = Convert.ToInt64(result.Rows[0]["totalbytes"]);
}
}
return(ret);
}
/// <summary>
/// Authorize a user's request against a resource by operation type.
/// </summary>
/// <param name="username">The name of the user.</param>
/// <param name="operation">The type of operation.</param>
/// <param name="resource">The resource.</param>
/// <param name="metadata">Request metadata, included in events.</param>
/// <returns>True if authorized.</returns>
public bool Authorize(string username, string operation, string resource, object metadata = null)
{
if (String.IsNullOrEmpty(username))
{
throw new ArgumentNullException(nameof(username));
}
if (String.IsNullOrEmpty(resource))
{
throw new ArgumentNullException(nameof(resource));
}
if (String.IsNullOrEmpty(operation))
{
throw new ArgumentNullException(nameof(operation));
}
bool authorized = false;
DataTable table = null;
List <MatchingEntry> matchingEntries = null;
try
{
string query = AuthorizeQuery(username, operation, resource);
Console.WriteLine(query);
table = _ORM.Query(query);
matchingEntries = MatchingEntry.FromDataTable(table);
if (matchingEntries != null && matchingEntries.Count > 0)
{
if (matchingEntries.Any(e => e.Allow))
{
authorized = true;
}
}
else
{
authorized = DefaultPermit;
}
}
finally
{
Task unawaited = Task.Run(() =>
AuthorizationEvent?.Invoke(this, new AuthorizationEventArgs(username, resource, operation, authorized, matchingEntries, metadata))
);
}
return(authorized);
}
/// <summary>
/// Retrieve data from the database using the supplied query.
/// </summary>
/// <returns>DatabaseCrawlResult.</returns>
public CrawlResult Get()
{
CrawlResult ret = new CrawlResult();
try
{
DataTable result = _ORM.Query(_Query);
ret.Success = true;
ret.DataTable = result;
}
catch (Exception e)
{
ret.Exception = e;
}
ret.Time.End = DateTime.UtcNow;
return(ret);
}
/// <summary>
/// Instantiate the IndexEngine.
/// </summary>
/// <param name="databaseFile">Database filename to use. If this file does not exist, it will be created for you.</param>
public IndexEngine(string databaseFile)
{
if (String.IsNullOrEmpty(databaseFile))
{
throw new ArgumentNullException(databaseFile);
}
_Token = _TokenSource.Token;
_DbFilename = databaseFile;
_DbSettings = new DatabaseSettings(_DbFilename);
_ORM = new WatsonORM(_DbSettings);
_CurrentThreads = 0;
_ORM.InitializeDatabase();
_ORM.InitializeTable(typeof(Document));
_ORM.InitializeTable(typeof(IndexEntry));
_ORM.Query("PRAGMA journal_mode = TRUNCATE");
}
/// <summary>
/// Retrieve the object map containing the metadata for a given address within the original object.
/// </summary>
/// <param name="key">Object key.</param>
/// <param name="position">Starting byte position.</param>
/// <returns>Dedupe object map.</returns>
public override DedupeObjectMap GetObjectMapForPosition(string key, long position)
{
if (String.IsNullOrEmpty(key))
{
throw new ArgumentNullException(nameof(key));
}
if (position < 0)
{
throw new ArgumentOutOfRangeException("Start of range must be zero or greater.");
}
key = DedupeCommon.SanitizeString(key);
DedupeObject obj = GetObjectMetadata(key);
if (obj == null)
{
return(null);
}
string objMapTable = _ORM.GetTableName(typeof(DedupeObjectMap));
string objKeyCol = _ORM.GetColumnName <DedupeObjectMap>(nameof(DedupeObjectMap.ObjectKey));
string chunkAddrCol = _ORM.GetColumnName <DedupeObjectMap>(nameof(DedupeObjectMap.ChunkAddress));
string chunkLenCol = _ORM.GetColumnName <DedupeObjectMap>(nameof(DedupeObjectMap.ChunkLength));
string query =
"SELECT * FROM " + objMapTable + " " +
"WHERE " +
" " + objKeyCol + " = '" + obj.Key + "' " +
" AND " + chunkAddrCol + " <= " + position + " AND " + chunkAddrCol + " + " + chunkLenCol + " > " + position + " ";
DedupeObjectMap map = null;
DataTable result = _ORM.Query(query);
if (result != null && result.Rows.Count > 0)
{
map = _ORM.DataRowToObject <DedupeObjectMap>(result.Rows[0]);
}
return(map);
}
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();
}