diff --git a/mysql-test/r/mysqlbinlog.result b/mysql-test/r/mysqlbinlog.result index 69d19b5e87f..1f2e1ed67e0 100644 --- a/mysql-test/r/mysqlbinlog.result +++ b/mysql-test/r/mysqlbinlog.result @@ -638,3 +638,23 @@ ROLLBACK /* added by mysqlbinlog */; /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/; End of 5.0 tests End of 5.1 tests +RESET MASTER; +CREATE DATABASE test1; +USE test1; +CREATE TABLE t1(id int); +DROP DATABASE test1; +CREATE DATABASE test1; +USE test1; +CREATE TABLE t1(id int); +DROP TABLE t1; +DROP DATABASE test1; +FLUSH LOGS; +show binlog events in 'master-bin.000002' from ; +Log_name Pos Event_type Server_id End_log_pos Info +master-bin.000002 # Query # # CREATE DATABASE test1 +master-bin.000002 # Query # # use `test1`; CREATE TABLE t1(id int) +master-bin.000002 # Query # # DROP DATABASE test1 +master-bin.000002 # Query # # CREATE DATABASE test1 +master-bin.000002 # Query # # use `test1`; CREATE TABLE t1(id int) +master-bin.000002 # Query # # use `test1`; DROP TABLE t1 +master-bin.000002 # Query # # DROP DATABASE test1 diff --git a/mysql-test/t/mysqlbinlog.test b/mysql-test/t/mysqlbinlog.test index 783708cc3b2..d5dd3052269 100644 --- a/mysql-test/t/mysqlbinlog.test +++ b/mysql-test/t/mysqlbinlog.test @@ -474,3 +474,30 @@ diff_files $MYSQLTEST_VARDIR/tmp/mysqlbinlog.warn $MYSQLTEST_VARDIR/tmp/mysqlbin # Cleanup for this part of test remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog.warn.empty; remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog.warn; + +# +# BUG#50914 +# This test verifies if the approach of the mysqlbinlog prints +# "use $database" statements to its output stream will cause +# "No Database Selected" error when dropping and recreating +# that database. +# +RESET MASTER; +CREATE DATABASE test1; +USE test1; +CREATE TABLE t1(id int); +DROP DATABASE test1; +CREATE DATABASE test1; +USE test1; +CREATE TABLE t1(id int); +DROP TABLE t1; +DROP DATABASE test1; +let $master_binlog= query_get_value(SHOW MASTER STATUS, File, 1); +FLUSH LOGS; + +let $MYSQLD_DATADIR= `SELECT @@datadir`; +exec $MYSQL_BINLOG $MYSQLD_DATADIR/$master_binlog | $MYSQL test 2>&1; + +let $binlog_file= query_get_value(SHOW MASTER STATUS, File, 1); +source include/show_binlog_events.inc; + diff --git a/sql/log_event.cc b/sql/log_event.cc index eb7c9c30567..0b938df1987 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -2894,7 +2894,12 @@ void Query_log_event::print_query_header(IO_CACHE* file, error_code); } - if (!(flags & LOG_EVENT_SUPPRESS_USE_F) && db) + if ((flags & LOG_EVENT_SUPPRESS_USE_F)) + { + if (!is_trans_keyword()) + print_event_info->db[0]= '\0'; + } + else if (db) { different_db= memcmp(print_event_info->db, db, db_len + 1); if (different_db)