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MW-86 Add separate wsrep_sync_wait bitmask value for SHOW commands

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Previously, setting `wsrep_sync_wait = 1` would have an effect on
both SELECT and SHOW statements.
This patch changes wsrep_sync_wait so that bitmask value 1 is used
for SELECT statements, while bitmask value 8 is reserved for SHOW
statements.
It is still possible to achieve sync wait on both SELECT and SHOW
statements by setting `wsrep_sync_wait = 9`.

Signed-off-by: Jan Lindström <jan.lindstrom@mariadb.com>
This commit is contained in:
Daniele Sciascia
2017-03-08 13:08:21 +01:00
committed by Jan Lindström
parent 519e4322e1
commit a82611771b
3 changed files with 32 additions and 50 deletions
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5
sql/sql_parse.h
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@@ -218,10 +218,15 @@ inline bool is_supported_parser_charset(CHARSET_INFO *cs)
if (WSREP(thd) || (thd && thd->wsrep_exec_mode==TOTAL_ORDER)) \
wsrep_to_isolation_end(thd);
#define WSREP_SYNC_WAIT(thd_, before_) \
if (WSREP_CLIENT(thd_) && \
wsrep_sync_wait(thd_, before_)) goto error;
#else
#define WSREP_TO_ISOLATION_BEGIN(db_, table_, table_list_)
#define WSREP_TO_ISOLATION_END
#define WSREP_SYNC_WAIT(thd_, before_)
#endif /* WITH_WSREP */