/// <summary>
/// Converts a SQLiteType to a .NET Type object
/// </summary>
/// <param name="t">The SQLiteType to convert</param>
/// <returns>Returns a .NET Type object</returns>
internal static Type SqliteTypeToType(SqliteType t)
{
if (t.Type == DbType.Object)
{
return(_affinitytotype[(int)t.Affinity]);
}
else
{
return(SqliteConvert.DbTypeToType(t.Type));
}
}
/// <summary>
/// Perform the bind operation for an individual parameter
/// </summary>
/// <param name="index">The index of the parameter to bind</param>
/// <param name="param">The parameter we're binding</param>
private void BindParameter(int index, SqliteParameter param)
{
if (param == null)
{
throw new SqliteException((int)SqliteErrorCode.Error, "Insufficient parameters supplied to the command");
}
object obj = param.Value;
DbType objType = param.DbType;
if (obj == DBNull.Value || obj == null)
{
_sql.Bind_Null(this, index);
return;
}
if (objType == DbType.Object)
{
objType = SqliteConvert.TypeToDbType(obj.GetType());
}
switch (objType)
{
case DbType.Date:
case DbType.Time:
case DbType.DateTime:
_sql.Bind_DateTime(this, index, Convert.ToDateTime(obj, CultureInfo.CurrentCulture));
break;
case DbType.Int64:
case DbType.UInt64:
case DbType.UInt32:
_sql.Bind_Int64(this, index, Convert.ToInt64(obj, CultureInfo.CurrentCulture));
break;
case DbType.Boolean:
case DbType.Int16:
case DbType.Int32:
case DbType.UInt16:
case DbType.SByte:
case DbType.Byte:
_sql.Bind_Int32(this, index, Convert.ToInt32(obj, CultureInfo.CurrentCulture));
break;
case DbType.Single:
case DbType.Double:
case DbType.Currency:
//case DbType.Decimal: // Dont store decimal as double ... loses precision
_sql.Bind_Double(this, index, Convert.ToDouble(obj, CultureInfo.CurrentCulture));
break;
case DbType.Binary:
_sql.Bind_Blob(this, index, (byte[])obj);
break;
case DbType.Guid:
if (_command.Connection._binaryGuid == true)
{
_sql.Bind_Blob(this, index, ((Guid)obj).ToByteArray());
}
else
{
_sql.Bind_Text(this, index, obj.ToString());
}
break;
case DbType.Decimal: // Dont store decimal as double ... loses precision
_sql.Bind_Text(this, index, Convert.ToDecimal(obj, CultureInfo.CurrentCulture).ToString(CultureInfo.InvariantCulture));
break;
default:
_sql.Bind_Text(this, index, obj.ToString());
break;
}
}
