Beispiel #1
0
        public object GetValue(int columnIndex, Type propertyType)
        {
            object value = null;

            if (propertyType == typeof(String) || propertyType == typeof(string))
            {
                value = SQLite3.ColumnString(statement, columnIndex);
            }
            else if (propertyType == typeof(long))
            {
                value = SQLite3.ColumnInt64(statement, columnIndex);
            }
            else if (propertyType == typeof(Single) || propertyType == typeof(Double) || propertyType == typeof(Decimal))
            {
                value = SQLite3.ColumnDouble(statement, columnIndex);
            }
            else if (propertyType == typeof(int))
            {
                value = SQLite3.ColumnInt(statement, columnIndex);
            }
            else if (propertyType == typeof(bool) || propertyType == typeof(Boolean))
            {
                value = (SQLite3.ColumnInt(statement, columnIndex) != 0);
            }
            else if (propertyType == typeof(byte[]))
            {
                value = SQLite3.ColumnByteArray(statement, columnIndex);
            }            /* else if (column.isSingleRelationship) {
                          *     value = (V)(object)SQLite3.ColumnString(statement, columnIndex);
                          * }*/
            return(value);
        }
        private object ReadCol(SQLitePCL.sqlite3_stmt stmt, int index, SQLite3.ColType type)
        {
            switch (type)
            {
            case SQLite3.ColType.Blob:
                return(SQLite3.ColumnByteArray(stmt, index));

            case SQLite3.ColType.Float:
                return(SQLite3.ColumnDouble(stmt, index));

            case SQLite3.ColType.Integer:
                return(SQLite3.ColumnInt64(stmt, index));

            case SQLite3.ColType.Null:
                return(null);

            case SQLite3.ColType.Text:
                return(SQLite3.ColumnString(stmt, index));
            }
            return(null);
        }
        public object ReadCol(IntPtr stmt, int index, Type clrType)
        {
            var type = SQLite3.ColumnType(stmt, index);

            if (type == SQLite3.ColType.Null)
            {
                return(null);
            }
            if (clrType == typeof(Byte) || clrType == typeof(UInt16) || clrType == typeof(SByte) || clrType == typeof(Int16) || clrType == typeof(Int32))
            {
                return(Convert.ChangeType(SQLite3.ColumnInt(stmt, index), clrType));
            }
            if (clrType == typeof(UInt32) || clrType == typeof(Int64))
            {
                return(Convert.ChangeType(SQLite3.ColumnInt64(stmt, index), clrType));
            }
            if (clrType == typeof(Single) || clrType == typeof(Double) || clrType == typeof(Decimal))
            {
                return(Convert.ChangeType(SQLite3.ColumnDouble(stmt, index), clrType));
            }
            if (clrType == typeof(String))
            {
                return(Convert.ChangeType(SQLite3.ColumnString(stmt, index), clrType));
            }
            if (clrType == typeof(byte[]))
            {
                return(SQLite3.ColumnByteArray(stmt, index));
            }
            if (clrType == typeof(DateTime))
            {
                return(ToDateTime(SQLite3.ColumnString(stmt, index)));
            }
            if (clrType == typeof(Boolean))
            {
                return(ToBoolean(SQLite3.ColumnString(stmt, index)));
            }
            throw new NotSupportedException("Don't know how to read " + clrType);
        }
        public Object ExecuteScalar()
        {
            Object retObj = null;
            var    stmt   = Prepare();
            var    cols   = new System.Reflection.PropertyInfo[SQLite3.ColumnCount(stmt)];

            if (SQLite3.Step(stmt) == SQLite3.Result.Row)
            {
                if (cols.Length > 0)
                {
                    var type = SQLite3.ColumnType(stmt, 0);
                    switch (type)
                    {
                    case SQLite3.ColType.Integer:
                        retObj = SQLite3.ColumnInt64(stmt, 0);
                        break;

                    case SQLite3.ColType.Float:
                        retObj = SQLite3.ColumnDouble(stmt, 0);
                        break;

                    case SQLite3.ColType.Blob:
                        retObj = SQLite3.ColumnByteArray(stmt, 0);
                        break;

                    case SQLite3.ColType.Text:
                        retObj = SQLite3.ColumnString(stmt, 0);
                        break;

                    case SQLite3.ColType.Null:
                        break;
                    }
                }
            }
            SQLite3.Finalize(stmt);
            return(retObj);
        }
Beispiel #5
0
        private object ReadCol(Sqlite3Statement stmt, int index, SQLite3.ColType type, Type clrType)
        {
            if (type == SQLite3.ColType.Null)
            {
                return(null);
            }

            if (clrType == typeof(string))
            {
                return(SQLite3.ColumnString(stmt, index));
            }

            if (clrType == typeof(int))
            {
                return(SQLite3.ColumnInt(stmt, index));
            }

            if (clrType == typeof(bool))
            {
                return(SQLite3.ColumnInt(stmt, index) == 1);
            }

            if (clrType == typeof(double))
            {
                return(SQLite3.ColumnDouble(stmt, index));
            }

            if (clrType == typeof(float))
            {
                return((float)SQLite3.ColumnDouble(stmt, index));
            }

            if (clrType == typeof(TimeSpan))
            {
                return(new TimeSpan(SQLite3.ColumnInt64(stmt, index)));
            }

            if (clrType == typeof(DateTime))
            {
                if (_conn.StoreDateTimeAsTicks)
                {
                    return(new DateTime(SQLite3.ColumnInt64(stmt, index)));
                }

                string text = SQLite3.ColumnString(stmt, index);
                return(DateTime.Parse(text));
            }

            if (clrType == typeof(DateTimeOffset))
            {
                return(new DateTimeOffset(SQLite3.ColumnInt64(stmt, index), TimeSpan.Zero));
            }

            if (clrType.IsEnum)
            {
                return(SQLite3.ColumnInt(stmt, index));
            }

            if (clrType == typeof(long))
            {
                return(SQLite3.ColumnInt64(stmt, index));
            }

            if (clrType == typeof(uint))
            {
                return((uint)SQLite3.ColumnInt64(stmt, index));
            }

            if (clrType == typeof(decimal))
            {
                return((decimal)SQLite3.ColumnDouble(stmt, index));
            }

            if (clrType == typeof(byte))
            {
                return((byte)SQLite3.ColumnInt(stmt, index));
            }

            if (clrType == typeof(ushort))
            {
                return((ushort)SQLite3.ColumnInt(stmt, index));
            }

            if (clrType == typeof(short))
            {
                return((short)SQLite3.ColumnInt(stmt, index));
            }

            if (clrType == typeof(sbyte))
            {
                return((sbyte)SQLite3.ColumnInt(stmt, index));
            }

            if (clrType == typeof(byte[]))
            {
                return(SQLite3.ColumnByteArray(stmt, index));
            }

            if (clrType == typeof(Guid))
            {
                string text = SQLite3.ColumnString(stmt, index);
                return(new Guid(text));
            }

            throw new NotSupportedException("Don't know how to read " + clrType);
        }
 private static object ReadCol(SQLiteConnection connection, sqlite3_stmt stmt, int index, SQLite3.ColType type, Type clrType)
 {
     if (type == SQLite3.ColType.Null)
     {
         return(null);
     }
     else
     {
         if (clrType == typeof(String))
         {
             return(SQLite3.ColumnString(stmt, index));
         }
         else if (clrType == typeof(Int32))
         {
             return((int)SQLite3.ColumnInt(stmt, index));
         }
         else if (clrType == typeof(Boolean))
         {
             return(SQLite3.ColumnInt(stmt, index) == 1);
         }
         else if (clrType == typeof(double))
         {
             return(SQLite3.ColumnDouble(stmt, index));
         }
         else if (clrType == typeof(float))
         {
             return((float)SQLite3.ColumnDouble(stmt, index));
         }
         else if (clrType == typeof(TimeSpan))
         {
             return(new TimeSpan(SQLite3.ColumnInt64(stmt, index)));
         }
         else if (clrType == typeof(DateTime))
         {
             if (connection.StoreDateTimeAsTicks)
             {
                 return(new DateTime(SQLite3.ColumnInt64(stmt, index)));
             }
             else
             {
                 string   text = SQLite3.ColumnString(stmt, index);
                 DateTime resultDate;
                 if (!DateTime.TryParseExact(text, DateTimeExactStoreFormat, System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out resultDate))
                 {
                     resultDate = DateTime.Parse(text);
                 }
                 return(resultDate);
             }
         }
         //                else if (clrType == typeof(DateTimeOffset))
         //                {
         //                    return new DateTimeOffset(SQLite3.ColumnInt64(stmt, index), TimeSpan.Zero);
         //#if !USE_NEW_REFLECTION_API
         //                }
         //                else if (clrType.IsEnum)
         //                {
         //#else
         //				} else if (clrType.GetTypeInfo().IsEnum) {
         //#endif
         //                    if (type == SQLite3.ColType.Text)
         //                    {
         //                        var value = SQLite3.ColumnString(stmt, index);
         //                        return Enum.Parse(clrType, value.ToString(), true);
         //                    }
         //                    else
         //                        return SQLite3.ColumnInt(stmt, index);
         //                }
         else if (clrType == typeof(Int64))
         {
             return(SQLite3.ColumnInt64(stmt, index));
         }
         else if (clrType == typeof(UInt32))
         {
             return((uint)SQLite3.ColumnInt64(stmt, index));
         }
         else if (clrType == typeof(decimal))
         {
             return((decimal)SQLite3.ColumnDouble(stmt, index));
         }
         else if (clrType == typeof(Byte))
         {
             return((byte)SQLite3.ColumnInt(stmt, index));
         }
         else if (clrType == typeof(UInt16))
         {
             return((ushort)SQLite3.ColumnInt(stmt, index));
         }
         else if (clrType == typeof(Int16))
         {
             return((short)SQLite3.ColumnInt(stmt, index));
         }
         else if (clrType == typeof(sbyte))
         {
             return((sbyte)SQLite3.ColumnInt(stmt, index));
         }
         else if (clrType == typeof(byte[]))
         {
             return(SQLite3.ColumnByteArray(stmt, index));
         }
         else if (clrType == typeof(Guid))
         {
             string text = SQLite3.ColumnString(stmt, index);
             return(new Guid(text));
         }
         else
         {
             throw new NotSupportedException("Don't know how to read " + clrType);
         }
     }
 }