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# ==== Purpose ====
#
# Auxiliary file used by suite/rpl/t/rpl_test_framework.test
#
# The purpose is to check that the sync chain generated in
# rpl_change_topology.inc (invoked from rpl_init.inc) is correct. This
# is done in two ways:
# (1) Print the sync chain.
# (2) Execute a statement and verify that it replicates to all slaves.
#
#
# ==== Implementation ====
#
# Does this:
# (1) Set up a given replication topology (rpl_init.inc)
# (2) Print $rpl_sync_chain
# (3) Execute "DELETE FROM t1" and then "INSERT INTO t1" on the master
# (4) Sync and compare all servers.
# (5) Clean up the replication topology (rpl_end.inc)
#
# (Technical detail: Since DELETE FROM t1 is not executed at the end,
# some servers may have rows left in t1 from a previous invocation of
# rpl_test_framework.inc. Therefore, this file will only work in
# statement mode where "DELETE FROM t1" removes rows that exist on
# slave but not on master.)
#
#
# ==== Usage ====
#
# --let $rpl_server_count= <number>
# --let $rpl_topology= <topology specification>
# --let $masters= <list of masters>
# [--let $rpl_diff_servers= <list of servers>]
# --source extra/rpl_tests/rpl_test_framework.inc
#
# Parameters:
# $next_number
# The INSERT statement will insert $next_number into t1, and
# $next_number will increase by 1.
#
# $rpl_server_count, $rpl_topology:
# See include/rpl_init.inc
#
# $masters
# This should be a list of numbers, each identifying a server.
# The DELETE and INSERT statements will be executed on all servers
# in the list.
#
# $rpl_diff_servers
# See include/rpl_diff.inc
--source include/rpl_init.inc
--source include/rpl_generate_sync_chain.inc
--echo rpl_sync_chain= '$rpl_sync_chain'
--inc $next_number
# Iterate over masters
while ($masters)
{
--let $master_i= `SELECT SUBSTRING_INDEX('$masters', ',', 1)`
--let $masters= `SELECT SUBSTRING('$masters', LENGTH('$master_i') + 2)`
# Connect to master and execute statement
connection server_$master_i;
DELETE FROM t1;
--eval INSERT INTO t1 VALUES ($next_number)
}
--source include/rpl_sync.inc
# Compare all servers.
--let $diff_tables= server_$rpl_server_count:t1
--let $server_i= $rpl_server_count
--dec $server_i
while ($server_i)
{
--let $diff_tables= server_$server_i:t1,$diff_tables
--dec $server_i
}
--source include/diff_tables.inc
--let $diff_servers=
--let $masters=
--source include/rpl_end.inc
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