[geeklog-hg] [Geeklog-Core/geeklog] 3b986a: Added isUtf8mb4Supported() method to database classes

[Kenji ITO]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: 3b986aeddc39f18cdf3856ea11df05bc2e104c55
      https://github.com/Geeklog-Core/geeklog/commit/3b986aeddc39f18cdf3856ea11df05bc2e104c55
  Author: mystralkk <mystralkk at gmail.com>
  Date:   2020-06-14 (Sun, 14 Jun 2020)

  Changed paths:
    M system/classes/Database/DbMysql.php
    M system/classes/Database/DbMysqli.php
    M system/classes/Database/DbPgsql.php

  Log Message:
  -----------
  Added isUtf8mb4Supported() method to database classes