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MDEV-7476: Allow SELECT to succeed even when node is not ready

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Added a SESSION-only system variable "wsrep_dirty_reads" to allow SELECT
queries to pass even when the node is not prepared to accept queries
(wsrep_ready=OFF). Added a test case.
This commit is contained in:
Nirbhay Choubey
2015-01-27 16:54:24 -05:00
parent 950d69610a
commit 47d8001c67
8 changed files with 154 additions and 3 deletions
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sql/sql_class.h
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@ -654,6 +654,7 @@ typedef struct system_variables
#ifdef WITH_WSREP
my_bool wsrep_on;
my_bool wsrep_causal_reads;
my_bool wsrep_dirty_reads;
uint wsrep_sync_wait;
ulong wsrep_retry_autocommit;
#endif