Esempio n. 1
0
        public void PrepareWrite(object value, NpgsqlBuffer buf, LengthCache lengthCache, NpgsqlParameter parameter = null)
        {
            _buf     = buf;
            _charPos = -1;
            _byteLen = lengthCache.GetLast();

            if (parameter != null && parameter.ConvertedValue != null)
            {
                value = parameter.ConvertedValue;
            }

            switch (Type.GetTypeCode(value.GetType()))
            {
            case TypeCode.String:
                _str     = (string)value;
                _charLen = parameter == null || parameter.Size <= 0 || parameter.Size >= _str.Length ? _str.Length : parameter.Size;
                return;

            case TypeCode.Object:
                Contract.Assert(value is char[]);
                _chars   = (char[])value;
                _charLen = parameter == null || parameter.Size <= 0 || parameter.Size >= _chars.Length ? _chars.Length : parameter.Size;
                return;

            case TypeCode.Char:
                _singleCharArray[0] = (char)value;
                _chars   = _singleCharArray;
                _charLen = 1;
                return;

            default:
                value = Convert.ToString(value);
                goto case TypeCode.String;
            }
        }
Esempio n. 2
0
        public void PrepareWrite(object value, NpgsqlBuffer buf, LengthCache lengthCache, NpgsqlParameter parameter = null)
        {
            _buf     = buf;
            _charPos = -1;
            _byteLen = lengthCache.GetLast();

            _str = value as string;
            if (_str != null)
            {
                _charLen = parameter == null || parameter.Size <= 0 || parameter.Size >= _str.Length ? _str.Length : parameter.Size;
                return;
            }

            _chars = value as char[];
            if (_chars != null)
            {
                _charLen = parameter == null || parameter.Size <= 0 || parameter.Size >= _chars.Length ? _chars.Length : parameter.Size;
                return;
            }

            if (value is char)
            {
                _singleCharArray[0] = (char)value;
                _chars   = _singleCharArray;
                _charLen = 1;
                return;
            }

            throw PGUtil.ThrowIfReached();
        }
Esempio n. 3
0
        public override void PrepareWrite(object value, WriteBuffer buf, LengthCache lengthCache, NpgsqlParameter parameter = null)
        {
            _writeBuf = buf;
            _charPos  = -1;
            _byteLen  = lengthCache.GetLast();

            if (parameter?.ConvertedValue != null)
            {
                value = parameter.ConvertedValue;
            }

            _str = value as string;
            if (_str != null)
            {
                _charLen = parameter == null || parameter.Size <= 0 || parameter.Size >= _str.Length ? _str.Length : parameter.Size;
                return;
            }

            _chars = value as char[];
            if (_chars != null)
            {
                _charLen = parameter == null || parameter.Size <= 0 || parameter.Size >= _chars.Length ? _chars.Length : parameter.Size;
                return;
            }

            if (value is char)
            {
                _singleCharArray[0] = (char)value;
                _chars   = _singleCharArray;
                _charLen = 1;
                return;
            }

            _str     = Convert.ToString(value);
            _charLen = parameter == null || parameter.Size <= 0 || parameter.Size >= _str.Length ? _str.Length : parameter.Size;
        }