public int ExecuteNonQuery()
{
if (this._conn.Trace)
{
Console.WriteLine("Executing: " + this);
}
var r = SQLite3.Result.OK;
var stmt = this.Prepare();
r = SQLite3.Step(stmt);
this.Finalize(stmt);
if (r == SQLite3.Result.Done)
{
int rowsAffected = SQLite3.Changes(this._conn.Handle);
return(rowsAffected);
}
else if (r == SQLite3.Result.Error)
{
string msg = SQLite3.GetErrmsg(this._conn.Handle);
throw SQLiteException.New(r, msg);
}
else
{
throw SQLiteException.New(r, r.ToString());
}
}
public static IntPtr Prepare2(IntPtr db, string query)
{
IntPtr stmt;
var r = Prepare2(db, query, query.Length, out stmt, IntPtr.Zero);
if (r != Result.OK)
{
throw SQLiteException.New(r, GetErrmsg(db));
}
return(stmt);
}
/// <summary>
/// Constructs a new SQLiteConnection and opens a SQLite database specified by databasePath.
/// </summary>
/// <param name="databasePath">
/// Specifies the path to the database file.
/// </param>
public SQLiteConnection(string databasePath)
{
this.DatabasePath = databasePath;
IntPtr handle;
var r = SQLite3.Open(this.DatabasePath, out handle);
this.Handle = handle;
if (r != SQLite3.Result.OK)
{
throw SQLiteException.New(r, "Could not open database file: " + this.DatabasePath);
}
this.open = true;
this.BusyTimeout = TimeSpan.FromSeconds(0.1);
}
/// <summary>
/// Creates a new SQLiteCommand given the command text with arguments. Place a '?'
/// in the command text for each of the arguments.
/// </summary>
/// <param name="cmdText">
/// The fully escaped SQL.
/// </param>
/// <param name="args">
/// Arguments to substitute for the occurences of '?' in the command text.
/// </param>
/// <returns>
/// A <see cref="SQLiteCommand"/>
/// </returns>
public SQLiteCommand CreateCommand(string cmdText, params object[] ps)
{
if (!this.open)
{
throw SQLiteException.New(SQLite3.Result.Error, "Cannot create commands from unopened database");
}
else
{
var cmd = new SQLiteCommand(this);
cmd.CommandText = cmdText;
foreach (var o in ps)
{
cmd.Bind(o);
}
return(cmd);
}
}
public int ExecuteNonQuery(object[] source)
{
if (this.Connection.Trace)
{
Console.WriteLine("Executing: " + this.CommandText);
}
var r = SQLite3.Result.OK;
if (!this.Initialized)
{
this.Statement = this.Prepare();
this.Initialized = true;
}
//bind the values.
if (source != null)
{
for (int i = 0; i < source.Length; i++)
{
SQLiteCommand.BindParameter(this.Statement, i + 1, source[i]);
}
}
r = SQLite3.Step(this.Statement);
if (r == SQLite3.Result.Done)
{
int rowsAffected = SQLite3.Changes(this.Connection.Handle);
SQLite3.Reset(this.Statement);
return(rowsAffected);
}
else if (r == SQLite3.Result.Error)
{
string msg = SQLite3.GetErrmsg(this.Connection.Handle);
SQLite3.Reset(this.Statement);
throw SQLiteException.New(r, msg);
}
else
{
SQLite3.Reset(this.Statement);
throw SQLiteException.New(r, r.ToString());
}
}
