41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
// TODO: rename to OK packet
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var Packet = require('../packets/packet');
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function ResultSetHeader(packet, bigNumberStrings)
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{
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if (packet.buffer[packet.offset] !== 0) {
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this.fieldCount = packet.readLengthCodedNumber();
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} else {
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this.fieldCount = packet.readInt8(); // skip OK byte
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this.affectedRows = packet.readLengthCodedNumber(bigNumberStrings);
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this.insertId = packet.readLengthCodedNumber(bigNumberStrings);
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this.serverStatus = packet.readInt16();
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this.warningStatus = packet.readInt16();
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}
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// snippet from mysql-native:
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// res.affected_rows = this.lcnum();
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// res.insert_id = this.lcnum();
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// res.server_status = this.num(2);
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// res.warning_count = this.num(2);
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// TODO: extra
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}
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// TODO: should be consistent instance member, but it's just easier here to have just function
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ResultSetHeader.toPacket = function(fieldCount, insertId, sequenceId) {
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var length = 4 + Packet.lengthCodedNumberLength(fieldCount);
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if (typeof(insertId) != 'undefined')
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length += Packet.lengthCodedNumberLength(insertId);
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var buffer = new Buffer(length);
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var packet = new Packet(0, buffer);
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packet.offset = 4;
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packet.writeLengthCodedNumber(fieldCount);
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if (typeof(insertId) != 'undefined')
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packet.writeLengthCodedNumber(insertId);
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return packet;
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};
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module.exports = ResultSetHeader;
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