45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
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// Language-neutral expression to match ER_UPDATE_INFO
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var ER_UPDATE_INFO_REGEXP = /^[^:0-9]+: [0-9]+[^:0-9]+: ([0-9]+)[^:0-9]+: [0-9]+[^:0-9]*$/;
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module.exports = OkPacket;
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function OkPacket(options) {
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options = options || {};
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this.fieldCount = undefined;
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this.affectedRows = undefined;
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this.insertId = undefined;
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this.serverStatus = undefined;
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this.warningCount = undefined;
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this.message = undefined;
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this.protocol41 = options.protocol41;
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}
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OkPacket.prototype.parse = function(parser) {
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this.fieldCount = parser.parseUnsignedNumber(1);
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this.affectedRows = parser.parseLengthCodedNumber();
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this.insertId = parser.parseLengthCodedNumber();
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if (this.protocol41) {
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this.serverStatus = parser.parseUnsignedNumber(2);
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this.warningCount = parser.parseUnsignedNumber(2);
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}
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this.message = parser.parsePacketTerminatedString();
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this.changedRows = 0;
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var m = ER_UPDATE_INFO_REGEXP.exec(this.message);
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if (m !== null) {
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this.changedRows = parseInt(m[1], 10);
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}
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};
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OkPacket.prototype.write = function(writer) {
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writer.writeUnsignedNumber(1, 0x00);
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writer.writeLengthCodedNumber(this.affectedRows || 0);
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writer.writeLengthCodedNumber(this.insertId || 0);
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if (this.protocol41) {
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writer.writeUnsignedNumber(2, this.serverStatus || 0);
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writer.writeUnsignedNumber(2, this.warningCount || 0);
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}
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writer.writeString(this.message);
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};
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