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MDEV-6368: assertion xid_seqno > trx_sys_cur_xid_seqno

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- Validate the specified wsrep_start_position value by also
checking the return status of wsrep->sst_received. This also
ensures that changes in wsrep_start_position is not allowed
when the node is not in JOINING state.
- Do not allow decrease in seqno within same UUID.
- The initial checkpoint in SEs should be [0...:-1].
This commit is contained in:
Nirbhay Choubey
2016-05-31 20:37:00 -04:00
parent eb86c32225
commit de7eafc7ce
13 changed files with 223 additions and 91 deletions
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10
mysql-test/suite/sys_vars/r/wsrep_start_position_basic.result
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@ -17,10 +17,6 @@ SELECT @@global.wsrep_start_position;
00000000-0000-0000-0000-000000000000:-1
# valid values
SET @@global.wsrep_start_position='00000000-0000-0000-0000-000000000000:-2';
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
00000000-0000-0000-0000-000000000000:-2
SET @@global.wsrep_start_position='12345678-1234-1234-1234-123456789012:100';
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
@ -31,6 +27,12 @@ SELECT @@global.wsrep_start_position;
00000000-0000-0000-0000-000000000000:-1
# invalid values
call mtr.add_suppression("WSREP: SST postion can't be set in past.*");
SET @@global.wsrep_start_position='00000000-0000-0000-0000-000000000000:-2';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of '00000000-0000-0000-0000-000000000000:-2'
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
00000000-0000-0000-0000-000000000000:-1
SET @@global.wsrep_start_position='000000000000000-0000-0000-0000-000000000000:-1';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of '000000000000000-0000-0000-0000-000000000000:-1'
SET @@global.wsrep_start_position='12345678-1234-1234-12345-123456789012:100';