初版

build/lib/mysql/mysql-test/include/kill_query.inc

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+# ==== Purpose ====
+#
+# Kill a query in the master connection, and then try to reap the
+# result of the killed query.
+#
+# ==== Usage ====
+# 
+# The following variables should be set before sourcing this file.
+#
+# $debug_lock: name of the debug user lock, if set, will release/lock
+#              the specified debug lock accordingly, and before
+#              sourcing this, connection 'master' should get the user
+#              lock and run a query in another thread, which will
+#              block before creating statement event.
+#
+# $connection_name: name of the connection that is waiting for the
+#                   lock, this can not be 'master'
+#
+# $connection_id: id of the connection that is waiting for the lock
+#
+# Example:
+# let $debug_lock=;
+# connection master1;
+# let $connection_name= master1;
+# let $connection_id= `SELECT CONNECTION_ID()`;
+# send CREATE TABLE t1;
+# source kill_query.inc;
+#
+# let $debug_lock= "debug_lock.before_query_log_event";
+# connection master;
+# eval SELECT GET_LOCK($debug_lock, 10);
+# connection master1;
+# let $connection_name= master1;
+# let $connection_id= `SELECT CONNECTION_ID()`;
+# send CREATE TABLE t1;
+# source kill_query.inc;
+
+
+--echo source include/kill_query.inc;
+disable_query_log;
+disable_result_log;
+connection master;
+
+# kill the query that is waiting
+eval kill query $connection_id;
+
+if ($debug_lock)
+{
+  # release the lock to allow binlog continue
+  eval SELECT RELEASE_LOCK($debug_lock);
+}
+
+# reap the result of the waiting query
+connection $connection_name;
+error 0, 1317, 1307, 1306, 1334, 1305, 1034;
+reap;
+
+connection master;
+
+if ($debug_lock)
+{
+  # get lock again to make the next query wait
+  eval SELECT GET_LOCK($debug_lock, 10);
+}
+
+connection $connection_name;
+enable_query_log;
+enable_result_log;