333

schangxiang@126.com

2025-09-19 18966e02fb573c7e2bb0c6426ed792b38b910940

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module.exports = ResultSetHeaderPacket;
function ResultSetHeaderPacket(options) {
  options = options || {};
 
  this.fieldCount = options.fieldCount;
  this.extra      = options.extra;
}
 
ResultSetHeaderPacket.prototype.parse = function(parser) {
  this.fieldCount = parser.parseLengthCodedNumber();
 
  if (parser.reachedPacketEnd()) return;
 
  this.extra = (this.fieldCount === null)
    ? parser.parsePacketTerminatedString()
    : parser.parseLengthCodedNumber();
};
 
ResultSetHeaderPacket.prototype.write = function(writer) {
  writer.writeLengthCodedNumber(this.fieldCount);
 
  if (this.extra !== undefined) {
    writer.writeLengthCodedNumber(this.extra);
  }
};