mariadb/mysql-test/t/userstat.test
Sergei Golubchik a62e9a83c0 MDEV-15945 --ps-protocol does not test some queries
Make mysqltest to use --ps-protocol more

use prepared statements for everything that server supports
with the exception of CALL (for now).

Fix discovered test failures and bugs.

tests:
* PROCESSLIST shows Execute state, not Query
* SHOW STATUS increments status variables more than in text protocol
* multi-statements should be avoided (see tests with a wrong delimiter)
* performance_schema events have different names in --ps-protocol
* --enable_prepare_warnings

mysqltest.cc:
* make sure run_query_stmt() doesn't crash if there's
  no active connection (in wait_until_connected_again.inc)
* prepare all statements that server supports

protocol.h
* Protocol_discard::send_result_set_metadata() should not send
  anything to the client.

sql_acl.cc:
* extract the functionality of getting the user for SHOW GRANTS
  from check_show_access(), so that mysql_test_show_grants() could
  generate the correct column names in the prepare step

sql_class.cc:
* result->prepare() can fail, don't ignore its return value
* use correct number of decimals for EXPLAIN columns

sql_parse.cc:
* discard profiling for SHOW PROFILE. In text protocol it's done in
  prepare_schema_table(), but in --ps it is called on prepare only,
  so nothing was discarding profiling during execute.
* move the permission checking code for SHOW CREATE VIEW to
  mysqld_show_create_get_fields(), so that it would be called during
  prepare step too.
* only set sel_result when it was created here and needs to be
  destroyed in the same block. Avoid destroying lex->result.
* use the correct number of tables in check_show_access(). Saying
  "as many as possible" doesn't work when first_not_own_table isn't
  set yet.

sql_prepare.cc:
* use correct user name for SHOW GRANTS columns
* don't ignore verbose flag for SHOW SLAVE STATUS
* support preparing REVOKE ALL and ROLLBACK TO SAVEPOINT
* don't ignore errors from thd->prepare_explain_fields()
* use select_send result for sending ANALYZE and EXPLAIN, but don't
  overwrite lex->result, because it might be needed to issue execute-time
  errors (select_dumpvar - too many rows)

sql_show.cc:
* check grants for SHOW CREATE VIEW here, not in mysql_execute_command

sql_view.cc:
* use the correct function to check privileges. Old code was doing
  check_access() for thd->security_ctx, which is invoker's sctx,
  not definer's sctx. Hide various view related errors from the invoker.

sql_yacc.yy:
* initialize lex->select_lex for LOAD, otherwise it'll contain garbage
  data that happen to fail tests with views in --ps (but not otherwise).
2019-03-12 13:10:49 +01:00

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#
# Testing of user status (the userstat variable).
# Note that this test requires a fresh restart to not have problems with the
# old status values
-- source include/have_innodb.inc
-- source include/have_log_bin.inc
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
select variable_value from information_schema.global_status where variable_name="handler_read_key" into @global_read_key;
show columns from information_schema.client_statistics;
show columns from information_schema.user_statistics;
show columns from information_schema.index_statistics;
show columns from information_schema.table_statistics;
# Disable logging to get right number of writes into the tables.
set @save_general_log=@@global.general_log;
set @@global.general_log=0;
set @@global.userstat=1;
flush status;
create table t1 (a int, primary key (a), b int default 0) engine=innodb;
insert into t1 (a) values (1),(2),(3),(4);
update t1 set b=1;
update t1 set b=5 where a=2;
delete from t1 where a=3;
/* Empty query */
select * from t1 where a=999;
drop table t1;
# test SSL connections
--connect (ssl_con,localhost,root,,,,,SSL)
SELECT (VARIABLE_VALUE <> '') AS have_ssl FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME='Ssl_cipher';
--connection default
#
# Test the commit and rollback are counted
#
create table t1 (a int, primary key (a), b int default 0) engine=innodb;
begin;
insert into t1 values(1,1);
commit;
begin;
insert into t1 values(2,2);
commit;
begin;
insert into t1 values(3,3);
rollback;
drop table t1;
select sleep(1);
show status like "rows%";
show status like "ha%";
select variable_value - @global_read_key as "handler_read_key" from information_schema.global_status where variable_name="handler_read_key";
--disconnect ssl_con
# Ensure that the following commands doesn't change statistics
set @@global.userstat=0;
#
# Check that we got right statistics
#
select * from information_schema.index_statistics;
select * from information_schema.table_statistics;
show table_statistics;
show index_statistics;
--query_vertical select TOTAL_CONNECTIONS, TOTAL_SSL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT, ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS, UPDATE_COMMANDS, COMMIT_TRANSACTIONS, ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS, ACCESS_DENIED, EMPTY_QUERIES from information_schema.client_statistics;
--query_vertical select TOTAL_CONNECTIONS, TOTAL_SSL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT, ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS, UPDATE_COMMANDS, COMMIT_TRANSACTIONS, ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS, ACCESS_DENIED, EMPTY_QUERIES from information_schema.user_statistics;
# different values in --ps-protocol
select OTHER_COMMANDS IN (7,8) from information_schema.client_statistics;
select OTHER_COMMANDS IN (7,8) from information_schema.user_statistics;
flush table_statistics;
flush index_statistics;
select * from information_schema.index_statistics;
select * from information_schema.table_statistics;
show status like "%generic%";
#
# Test that some variables are not 0
#
select connected_time <> 0, busy_time <> 0, bytes_received <> 0,
bytes_sent <> 0, binlog_bytes_written <> 0
from information_schema.user_statistics;
select connected_time <> 0, busy_time <> 0, bytes_received <> 0,
bytes_sent <> 0, binlog_bytes_written <> 0
from information_schema.client_statistics;
#
# Test of in transaction
#
create table t1 (a int) engine=innodb;
select @@in_transaction;
begin;
select @@in_transaction;
insert into t1 values (1);
select @@in_transaction;
commit;
select @@in_transaction;
set @@autocommit=0;
select @@in_transaction;
insert into t1 values (2);
select @@in_transaction;
set @@autocommit=1;
select @@in_transaction;
drop table t1;
# Cleanup
set @@global.general_log=@save_general_log;