1# ==== Purpose ====
2#
3# Auxiliary file used by suite/rpl/t/rpl_test_framework.test
4#
5# The purpose is to check that the sync chain generated in
6# rpl_change_topology.inc (invoked from rpl_init.inc) is correct. This
7# is done in two ways:
8#  (1) Print the sync chain.
9#  (2) Execute a statement and verify that it replicates to all slaves.
10#
11#
12# ==== Implementation ====
13#
14# Does this:
15# (1) Set up a given replication topology (rpl_init.inc)
16# (2) Print $rpl_sync_chain
17# (3) Execute "DELETE FROM t1" and then "INSERT INTO t1" on the master
18# (4) Sync and compare all servers.
19# (5) Clean up the replication topology (rpl_end.inc)
20#
21# (Technical detail: Since DELETE FROM t1 is not executed at the end,
22# some servers may have rows left in t1 from a previous invocation of
23# rpl_test_framework.inc.  Therefore, this file will only work in
24# statement mode where "DELETE FROM t1" removes rows that exist on
25# slave but not on master.)
26#
27#
28# ==== Usage ====
29#
30# --let $rpl_server_count= <number>
31# --let $rpl_topology= <topology specification>
32# --let $masters= <list of masters>
33# [--let $rpl_diff_servers= <list of servers>]
34# --source suite/rpl/include/rpl_test_framework.inc
35#
36# Parameters:
37#   $next_number
38#     The INSERT statement will insert $next_number into t1, and
39#     $next_number will increase by 1.
40#
41#   $rpl_server_count, $rpl_topology:
42#     See include/rpl_init.inc
43#
44#   $masters
45#     This should be a list of numbers, each identifying a server.
46#     The DELETE and INSERT statements will be executed on all servers
47#     in the list.
48#
49#   $rpl_diff_servers
50#     See include/rpl_diff.inc
51
52--source include/rpl_init.inc
53--source include/rpl_generate_sync_chain.inc
54--echo rpl_sync_chain= '$rpl_sync_chain'
55
56--inc $next_number
57
58# Iterate over masters
59while ($masters)
60{
61  --let $master_i= `SELECT SUBSTRING_INDEX('$masters', ',', 1)`
62  --let $masters= `SELECT SUBSTRING('$masters', LENGTH('$master_i') + 2)`
63
64  # Connect to master and execute statement
65  connection server_$master_i;
66  DELETE FROM t1;
67  --eval INSERT INTO t1 VALUES ($next_number)
68}
69
70--source include/rpl_sync.inc
71
72# Compare all servers.
73--let $diff_tables= server_$rpl_server_count:t1
74--let $server_i= $rpl_server_count
75--dec $server_i
76while ($server_i)
77{
78  --let $diff_tables= server_$server_i:t1,$diff_tables
79  --dec $server_i
80}
81--source include/diff_tables.inc
82
83--let $diff_servers=
84--let $masters=
85--source include/rpl_end.inc
86