add version check when get super_read_only

yoshinorim / mha4mysql-node

Development tree of Master High Availability Manager and tools for MySQL (MHA), Node (MySQL Server) part

http://code.google.com/p/mysql-master-ha/

GNU General Public License v2.0

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Open ZhaoJianchangA opened 4 years ago

ZhaoJianchangA commented 4 years ago

MySQL introduction super_read_only in version 5.7.8.So, when using this property,we should check its version.