/**
* @param BinaryDataReader $packet
* @param array $columnSchema
* @throws ConfigException
*/
private static function getFieldSpecial(BinaryDataReader $packet, array $columnSchema)
{
$metadata = ($packet->readUInt8() << 8) + $packet->readUInt8();
$real_type = $metadata >> 8;
if ($real_type === ConstFieldType::SET || $real_type === ConstFieldType::ENUM) {
self::$field['type'] = $real_type;
self::$field['size'] = $metadata & 0xff;
self::getFieldSpecialValues($columnSchema);
} else {
self::$field['max_length'] = ($metadata >> 4 & 0x300 ^ 0x300) + ($metadata & 0xff);
}
}
/**
* @return int
* @throws BinaryDataReaderException
*/
private function readVariableInt()
{
$length = $this->binaryDataReader->getBinaryDataLength();
$len = 0;
for ($i = 0; $i < $length; $i++) {
$size = $this->binaryDataReader->readUInt8();
// Get the next 7 bits of the length.
$len |= ($size & 127) << 7 * $i;
if (($size & 128) === 0) {
// This was the last byte. Return successfully.
return $len;
}
}
return $len;
}
