MySQL hidden version number

mysql Version update is fast , Each version has a certain bug, After scanning by the security manufacturer, it will be scanned , We need to rectify , Inspired and helped by colleagues , Did some tests ：

（1） Decompress the source package , adjustment VERSION The values in the file , If it is adjusted to
[[email protected] mysql-5.6.25]# cat VERSION
MYSQL_VERSION_MAJOR=100
MYSQL_VERSION_MINOR=1
MYSQL_VERSION_PATCH=2
MYSQL_VERSION_EXTRA=

（2） after cmkae precompile ,make Compiling and make install After installation , Binary packages are generated , Then initialize the database , Start the database instance .

（3） View the database version as 100.1.2

（4） Log in to the database to verify

（5） take VERSION The value corresponding to the file is set to null , Errors will be reported during precompiling , hide mysql Version number of is not implemented , I hope the great God can solve it .

（6） This is the test phase , Not verified on the current Internet , Do not use it in production .