MySQL 5.6.14 Source Code Document
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sync_slave_io.inc
1 # ==== Purpose ====
2 #
3 # Waits until the slave IO thread on the current connection has been
4 # synced up to the point saved by the last call to
5 # include/save_master_pos.inc (i.e., until the IO thead has copied up
6 # to the saved position). Does not wait for the SQL thread.
7 #
8 #
9 # ==== Usage ====
10 #
11 # [--let $use_gtids= 1]
12 # [--let $rpl_debug= 1]
13 # [--let $slave_timeout= NUMBER]
14 #
15 # On master:
16 # --source include/save_master_pos.inc
17 #
18 # On slave:
19 # --source include/sync_slave_io.inc
20 #
21 # Parameters:
22 # $use_gtids
23 # If set, uses GTIDs instead of filename and offset for positions.
24 #
25 # $slave_timeout
26 # See include/wait_for_slave_param.inc
27 #
28 # $rpl_debug
29 # See include/rpl_init.inc
30 
31 
32 --let $include_filename= sync_slave_io.inc
33 --source include/begin_include_file.inc
34 
35 --let $_old_slave_error_param= $slave_error_param
36 --let $slave_error_param= Last_IO_Errno
37 
38 if ($use_gtids)
39 {
40  --let $slave_param= Retrieved_Gtid_set
41  --let $slave_param_value= $_saved_gtids
42  --source include/wait_for_slave_param.inc
43 }
44 if (!$use_gtids)
45 {
46  --let $slave_param= Master_Log_File
47  --let $slave_param_value= $_saved_file
48  --source include/wait_for_slave_param.inc
49 
50  --let $slave_param= Read_Master_Log_Pos
51  --let $slave_param_value= $_saved_pos
52  --source include/wait_for_slave_param.inc
53 }
54 
55 --let $slave_error_param= $_old_slave_error_param
56 
57 
58 --let $include_filename= sync_slave_io.inc
59 --source include/end_include_file.inc