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System Versioning 1.0 pre7

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Merge branch '10.3' into trunk
This commit is contained in:
Aleksey Midenkov
2017-12-21 11:16:42 +03:00
parent 5c760d952b 9ec2479778
commit 5c0a19c873
167 changed files with 9535 additions and 4519 deletions
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22
sql/sql_class.h
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@ -1599,7 +1599,8 @@ enum enum_thread_type
SYSTEM_THREAD_EVENT_WORKER= 16,
SYSTEM_THREAD_BINLOG_BACKGROUND= 32,
SYSTEM_THREAD_SLAVE_BACKGROUND= 64,
SYSTEM_THREAD_GENERIC= 128
SYSTEM_THREAD_GENERIC= 128,
SYSTEM_THREAD_SEMISYNC_MASTER_BACKGROUND= 256
};
inline char const *
@ -1615,6 +1616,7 @@ show_system_thread(enum_thread_type thread)
RETURN_NAME_AS_STRING(SYSTEM_THREAD_EVENT_SCHEDULER);
RETURN_NAME_AS_STRING(SYSTEM_THREAD_EVENT_WORKER);
RETURN_NAME_AS_STRING(SYSTEM_THREAD_SLAVE_BACKGROUND);
RETURN_NAME_AS_STRING(SYSTEM_THREAD_SEMISYNC_MASTER_BACKGROUND);
default:
sprintf(buf, "<UNKNOWN SYSTEM THREAD: %d>", thread);
return buf;
@ -2291,7 +2293,8 @@ public:
/* Needed by MariaDB semi sync replication */
Trans_binlog_info *semisync_info;
/* If this is a semisync slave connection. */
bool semi_sync_slave;
ulonglong client_capabilities; /* What the client supports */
ulong max_client_packet_length;
@ -3177,11 +3180,20 @@ public:
/* Debug Sync facility. See debug_sync.cc. */
struct st_debug_sync_control *debug_sync_control;
#endif /* defined(ENABLED_DEBUG_SYNC) */
THD(my_thread_id id, bool is_wsrep_applier= false);
/**
@param id thread identifier
@param is_wsrep_applier thread type
@param skip_lock instruct whether @c LOCK_global_system_variables
is already locked, to not acquire it then.
*/
THD(my_thread_id id, bool is_wsrep_applier= false, bool skip_lock= false);
~THD();
void init(void);
/**
@param skip_lock instruct whether @c LOCK_global_system_variables
is already locked, to not acquire it then.
*/
void init(bool skip_lock= false);
/*
Initialize memory roots necessary for query processing and (!)
pre-allocate memory for it. We can't do that in THD constructor because