System.Data.SQLite
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Overview
Comment:Integrate the new custom database type callbacks into the data reader class.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | customDataTypes
Files: files | file ages | folders
SHA1: df67a84c21861ecd029df270a7f25addbee9e256
User & Date: mistachkin 2016-06-19 02:59:47
Context
2016-06-19
03:03
Improve coding style of the previous check-in and make it compile on the .NET Compact Framework. check-in: 3d482302d1 user: mistachkin tags: customDataTypes
02:59
Integrate the new custom database type callbacks into the data reader class. check-in: df67a84c21 user: mistachkin tags: customDataTypes
02:59
Add the new connection flags. check-in: ff93dd1274 user: mistachkin tags: customDataTypes
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to System.Data.SQLite/SQLiteDataReader.cs.

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                if (typ == DbType.Binary) return affinity;
                if (typ == DbType.String) return affinity;
                break;
        }

        throw new InvalidCastException();
    }






























































    /// <summary>
    /// Retrieves the column as a boolean value
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>bool</returns>
    public override bool GetBoolean(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetBoolean(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Boolean);
        return Convert.ToBoolean(GetValue(i), CultureInfo.CurrentCulture);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>byte</returns>
    public override byte GetByte(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetByte(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Byte);
        return Convert.ToByte(_activeStatement._sql.GetInt32(_activeStatement, i));
    }
................................................................................
    /// <remarks>
    /// To determine the number of bytes in the column, pass a null value for the buffer.  The total length will be returned.
    /// </remarks>
    public override long GetBytes(int i, long fieldOffset, byte[] buffer, int bufferoffset, int length)
    {
        CheckDisposed();
        VerifyForGet();


























        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetBytes(i - PrivateVisibleFieldCount, fieldOffset, buffer, bufferoffset, length);

        VerifyType(i, DbType.Binary);
        return _activeStatement._sql.GetBytes(_activeStatement, i, (int)fieldOffset, buffer, bufferoffset, length);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>char</returns>
    public override char GetChar(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetChar(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.SByte);
        return Convert.ToChar(_activeStatement._sql.GetInt32(_activeStatement, i));
    }
................................................................................
    /// <remarks>
    /// To determine the number of characters in the column, pass a null value for the buffer.  The total length will be returned.
    /// </remarks>
    public override long GetChars(int i, long fieldoffset, char[] buffer, int bufferoffset, int length)
    {
        CheckDisposed();
        VerifyForGet();


























        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetChars(i - PrivateVisibleFieldCount, fieldoffset, buffer, bufferoffset, length);

        if ((_flags & SQLiteConnectionFlags.NoVerifyTextAffinity) != SQLiteConnectionFlags.NoVerifyTextAffinity)
            VerifyType(i, DbType.String);

................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>DateTime</returns>
    public override DateTime GetDateTime(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetDateTime(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.DateTime);
        return _activeStatement._sql.GetDateTime(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>decimal</returns>
    public override decimal GetDecimal(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetDecimal(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Decimal);
        return Decimal.Parse(_activeStatement._sql.GetText(_activeStatement, i), NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent | NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>double</returns>
    public override double GetDouble(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetDouble(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Double);
        return _activeStatement._sql.GetDouble(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>float</returns>
    public override float GetFloat(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetFloat(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Single);
        return Convert.ToSingle(_activeStatement._sql.GetDouble(_activeStatement, i));
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Guid</returns>
    public override Guid GetGuid(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetGuid(i - PrivateVisibleFieldCount);

        TypeAffinity affinity = VerifyType(i, DbType.Guid);
        if (affinity == TypeAffinity.Blob)
        {
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Int16</returns>
    public override Int16 GetInt16(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetInt16(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Int16);
        return Convert.ToInt16(_activeStatement._sql.GetInt32(_activeStatement, i));
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Int32</returns>
    public override Int32 GetInt32(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetInt32(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Int32);
        return _activeStatement._sql.GetInt32(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Int64</returns>
    public override Int64 GetInt64(int i)
    {
        CheckDisposed();
        VerifyForGet();


















        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetInt64(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Int64);
        return _activeStatement._sql.GetInt64(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>string</returns>
    public override string GetString(int i)
    {
        CheckDisposed();
        VerifyForGet();













        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetString(i - PrivateVisibleFieldCount);

        if ((_flags & SQLiteConnectionFlags.NoVerifyTextAffinity) != SQLiteConnectionFlags.NoVerifyTextAffinity)
            VerifyType(i, DbType.String);

................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>object</returns>
    public override object GetValue(int i)
    {
        CheckDisposed();
        VerifyForGet();













        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetValue(i - PrivateVisibleFieldCount);

        SQLiteType typ = GetSQLiteType(_flags, i);

        if (((_flags & SQLiteConnectionFlags.DetectTextAffinity) == SQLiteConnectionFlags.DetectTextAffinity) &&







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                if (typ == DbType.Binary) return affinity;
                if (typ == DbType.String) return affinity;
                break;
        }

        throw new InvalidCastException();
    }

    /// <summary>
    /// Invokes the data reader value callback configured for the database
    /// type name associated with the specified column.  If no data reader
    /// value callback is available for the database type name, do nothing.
    /// </summary>
    /// <param name="index">
    /// The index of the column being read.
    /// </param>
    /// <param name="eventArgs">
    /// The extra event data to pass into the callback.
    /// </param>
    /// <param name="complete">
    /// Non-zero if the default handling for the data reader call should be
    /// skipped.  If this is set to non-zero and the necessary return value
    /// is unavailable or unsuitable, an exception will be thrown.
    /// </param>
    private void InvokeReadValueCallback(
        int index,
        SQLiteReadValueEventArgs eventArgs,
        out bool complete
        )
    {
        complete = false;
        _flags &= ~SQLiteConnectionFlags.UseConnectionReadValueCallbacks;

        try
        {
            SQLiteConnection connection = GetConnection(this);

            if (connection == null)
                return;

            string typeName = GetDataTypeName(index);

            if (typeName == null)
                return;

            SQLiteTypeCallbacks callbacks;

            if (!connection.TryGetTypeCallbacks(typeName, out callbacks) ||
                (callbacks == null))
            {
                return;
            }

            SQLiteReadValueCallback callback = callbacks.ReadValueCallback;
            object userData = callbacks.ReadValueUserData;

            if (callback != null)
            {
                callback(
                    _activeStatement._sql, this, _flags, eventArgs, index,
                    userData, out complete); /* throw */
            }
        }
        finally
        {
            _flags |= SQLiteConnectionFlags.UseConnectionReadValueCallbacks;
        }
    }

    /// <summary>
    /// Retrieves the column as a boolean value
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>bool</returns>
    public override bool GetBoolean(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.BooleanValue == null)
                    throw new SQLiteException("missing boolean return value");

                return (bool)value.BooleanValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetBoolean(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Boolean);
        return Convert.ToBoolean(GetValue(i), CultureInfo.CurrentCulture);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>byte</returns>
    public override byte GetByte(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.ByteValue == null)
                    throw new SQLiteException("missing byte return value");

                return (byte)value.ByteValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetByte(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Byte);
        return Convert.ToByte(_activeStatement._sql.GetInt32(_activeStatement, i));
    }
................................................................................
    /// <remarks>
    /// To determine the number of bytes in the column, pass a null value for the buffer.  The total length will be returned.
    /// </remarks>
    public override long GetBytes(int i, long fieldOffset, byte[] buffer, int bufferoffset, int length)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                new SQLiteReadArrayEventArgs(fieldOffset, buffer,
                    bufferoffset, length), value), out complete);

            if (complete)
            {
                byte[] bytes = value.BytesValue;

                if (bytes != null)
                {
                    Array.Copy(bytes, 0, buffer, bufferoffset, length);
                    return bytes.LongLength;
                }
                else
                {
                    return -1;
                }
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetBytes(i - PrivateVisibleFieldCount, fieldOffset, buffer, bufferoffset, length);

        VerifyType(i, DbType.Binary);
        return _activeStatement._sql.GetBytes(_activeStatement, i, (int)fieldOffset, buffer, bufferoffset, length);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>char</returns>
    public override char GetChar(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.CharValue == null)
                    throw new SQLiteException("missing character return value");

                return (char)value.CharValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetChar(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.SByte);
        return Convert.ToChar(_activeStatement._sql.GetInt32(_activeStatement, i));
    }
................................................................................
    /// <remarks>
    /// To determine the number of characters in the column, pass a null value for the buffer.  The total length will be returned.
    /// </remarks>
    public override long GetChars(int i, long fieldoffset, char[] buffer, int bufferoffset, int length)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                new SQLiteReadArrayEventArgs(fieldoffset, buffer,
                    bufferoffset, length), value), out complete);

            if (complete)
            {
                char[] chars = value.CharsValue;

                if (chars != null)
                {
                    Array.Copy(chars, 0, buffer, bufferoffset, length);
                    return chars.LongLength;
                }
                else
                {
                    return -1;
                }
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetChars(i - PrivateVisibleFieldCount, fieldoffset, buffer, bufferoffset, length);

        if ((_flags & SQLiteConnectionFlags.NoVerifyTextAffinity) != SQLiteConnectionFlags.NoVerifyTextAffinity)
            VerifyType(i, DbType.String);

................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>DateTime</returns>
    public override DateTime GetDateTime(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.DateTimeValue == null)
                    throw new SQLiteException("missing date/time return value");

                return (DateTime)value.DateTimeValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetDateTime(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.DateTime);
        return _activeStatement._sql.GetDateTime(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>decimal</returns>
    public override decimal GetDecimal(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.DecimalValue == null)
                    throw new SQLiteException("missing decimal return value");

                return (decimal)value.DecimalValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetDecimal(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Decimal);
        return Decimal.Parse(_activeStatement._sql.GetText(_activeStatement, i), NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent | NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>double</returns>
    public override double GetDouble(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.DoubleValue == null)
                    throw new SQLiteException("missing double return value");

                return (double)value.DoubleValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetDouble(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Double);
        return _activeStatement._sql.GetDouble(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>float</returns>
    public override float GetFloat(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.FloatValue == null)
                    throw new SQLiteException("missing float return value");

                return (float)value.FloatValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetFloat(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Single);
        return Convert.ToSingle(_activeStatement._sql.GetDouble(_activeStatement, i));
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Guid</returns>
    public override Guid GetGuid(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.GuidValue == null)
                    throw new SQLiteException("missing guid return value");

                return (Guid)value.GuidValue;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetGuid(i - PrivateVisibleFieldCount);

        TypeAffinity affinity = VerifyType(i, DbType.Guid);
        if (affinity == TypeAffinity.Blob)
        {
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Int16</returns>
    public override Int16 GetInt16(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.Int16Value == null)
                    throw new SQLiteException("missing int16 return value");

                return (Int16)value.Int16Value;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetInt16(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Int16);
        return Convert.ToInt16(_activeStatement._sql.GetInt32(_activeStatement, i));
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Int32</returns>
    public override Int32 GetInt32(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.Int32Value == null)
                    throw new SQLiteException("missing int32 return value");

                return (Int32)value.Int32Value;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetInt32(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Int32);
        return _activeStatement._sql.GetInt32(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>Int64</returns>
    public override Int64 GetInt64(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
            {
                if (value.Int64Value == null)
                    throw new SQLiteException("missing int64 return value");

                return (Int64)value.Int64Value;
            }
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetInt64(i - PrivateVisibleFieldCount);

        VerifyType(i, DbType.Int64);
        return _activeStatement._sql.GetInt64(_activeStatement, i);
    }
................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>string</returns>
    public override string GetString(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
                return value.StringValue;
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetString(i - PrivateVisibleFieldCount);

        if ((_flags & SQLiteConnectionFlags.NoVerifyTextAffinity) != SQLiteConnectionFlags.NoVerifyTextAffinity)
            VerifyType(i, DbType.String);

................................................................................
    /// </summary>
    /// <param name="i">The index of the column.</param>
    /// <returns>object</returns>
    public override object GetValue(int i)
    {
        CheckDisposed();
        VerifyForGet();

        if ((_flags & SQLiteConnectionFlags.UseConnectionReadValueCallbacks) == SQLiteConnectionFlags.UseConnectionReadValueCallbacks)
        {
            SQLiteDataReaderValue value = new SQLiteDataReaderValue();
            bool complete;

            InvokeReadValueCallback(i, new SQLiteReadValueEventArgs(
                null, value), out complete);

            if (complete)
                return value.Value;
        }

        if (i >= PrivateVisibleFieldCount && _keyInfo != null)
            return _keyInfo.GetValue(i - PrivateVisibleFieldCount);

        SQLiteType typ = GetSQLiteType(_flags, i);

        if (((_flags & SQLiteConnectionFlags.DetectTextAffinity) == SQLiteConnectionFlags.DetectTextAffinity) &&