patch 4.6.21.3
patch 4.6.21.3

[#16406] Replication clients should be able to open a sequence.

hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB,hyc/BerkeleyDB