diff options
Diffstat (limited to 'mysql-test/t/log_tables.test')
-rw-r--r-- | mysql-test/t/log_tables.test | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/mysql-test/t/log_tables.test b/mysql-test/t/log_tables.test new file mode 100644 index 00000000000..794beaa2a4d --- /dev/null +++ b/mysql-test/t/log_tables.test @@ -0,0 +1,150 @@ +# this test needs multithreaded mysqltest +-- source include/not_embedded.inc +# +# Basic log tables test +# + +# check that CSV engine was compiled in +--source include/have_csv.inc + +--disable_ps_protocol +use mysql; + +# +# Check that log tables work and we can do basic selects. This also +# tests truncate, which works in a special mode with the log tables +# + +truncate table general_log; +--replace_column 1 TIMESTAMP +select * from general_log; +truncate table slow_log; +--replace_column 1 TIMESTAMP +select * from slow_log; + +# +# We want to check that a record newly written to a log table shows up for +# the query: since log tables use concurrent insert machinery and log tables +# are always locked by artificial THD, this feature requires additional +# check in ha_tina::write_row. This simple test should prove that the +# log table flag in the table handler is triggered and working. +# + +truncate table general_log; +--replace_column 1 TIMESTAMP +select * from general_log where argument like '%general_log%'; + + +# +# Check some basic queries interfering with the log tables. +# In our test we'll use a tbale with verbose comments to the short +# command type names, used in the tables +# + +create table join_test (verbose_comment varchar (80), command_type varchar(64)); + +insert into join_test values ("User performed a usual SQL query", "Query"); +insert into join_test values ("New DB connection was registered", "Connect"); +insert into join_test values ("Get the table info", "Field List"); + +select verbose_comment, user_host, argument + from mysql.general_log join join_test + on (mysql.general_log.command_type = join_test.command_type); + +drop table join_test; + +# +# check that flush of the log table work fine +# + +flush logs; + +# +# check locking of the log tables +# + +--error 1532 +lock tables mysql.general_log WRITE; + +--error 1532 +lock tables mysql.slow_log WRITE; + +# +# This attemts to get TL_READ_NO_INSERT lock, which is incompatible with +# TL_WRITE_CONCURRENT_INSERT. This should fail. We issue this error as log +# tables are always opened and locked by the logger. +# + +--error 1533 +lock tables mysql.general_log READ; + +--error 1533 +lock tables mysql.slow_log READ; + +# +# This call should result in TL_READ lock on the log table. This is ok and +# should pass. +# + +lock tables mysql.slow_log READ LOCAL, mysql.general_log READ LOCAL; + +unlock tables; + +# +# check that FLUSH LOGS waits for all readers of the log table to vanish +# + +connect (con1,localhost,root,,); +connect (con2,localhost,root,,); + +connection con1; + +lock tables mysql.general_log READ LOCAL; + +connection con2; + +# this should wait for log tables to unlock +send flush logs; + +connection con1; + +unlock tables; + +# this connection should be alive by the time +connection con2; + +reap; + +select "Mark that we woke up from flush logs in the test" + as "test passed"; + +# +# perform the same check for TRUNCATE: it should also wait for readers +# to disappear +# + +connection con1; + +lock tables mysql.general_log READ LOCAL; + +connection con2; + +# this should wait for log tables to unlock +send truncate mysql.general_log; + +connection con1; + +unlock tables; + +# this connection should be alive by the time +connection con2; + +reap; + +select "Mark that we woke up from TRUNCATE in the test" + as "test passed"; + +disconnect con2; +disconnect con1; +--enable_ps_protocol + |