Bug #38360: BLACKHOLE replication with RBR is broken

Incremental patch to add comments to test cases.

1 files changed, 13 insertions, 0 deletions

diff --git a/mysql-test/extra/rpl_tests/rpl_blackhole.test b/mysql-test/extra/rpl_tests/rpl_blackhole.test
index 594acbee020..1a0eeb3cf15 100644
--- a/mysql-test/extra/rpl_tests/rpl_blackhole.test
+++ b/mysql-test/extra/rpl_tests/rpl_blackhole.test
@@ -1,3 +1,16 @@
+# Check replication of one statement assuming that the engine on the
+# slave is a blackhole engine.
+
+# Input:
+# $statement    Statement to evaluate, it is assumed to change t1
+
+# 1. Evaluate statement on master, it is assumed to change t1
+# 2. Wait for statement to be processed on slave
+# 3. SELECT from table t1 to see what was written
+# 4. Compare position on slave before executing statement and after
+#    executing statement. If difference is >0, then something was
+#    written to the binary log on the slave.
+
 connection slave;
 let $before = query_get_value("SHOW MASTER STATUS", Position, 1);