# The test contains a storage engine limited to statement-based logging, since,
# 'example' plugin doesn't support binlog_format=ROW. Thus, test now sets
# binlog_format=STATEMENT when log-bin is enabled and binlog_format=ROW.
if (`SELECT @@global.log_bin AND @@global.binlog_format = 'ROW'`)
{
  --disable_query_log
  SET @saved_binlog_format= @@SESSION.binlog_format;
  SET SESSION binlog_format= STATEMENT;
  --enable_query_log
}

--source include/have_example_plugin.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc

# Save the initial number of concurrent sessions
--source include/count_sessions.inc

--error ER_UNKNOWN_STORAGE_ENGINE
CREATE TABLE t1(a int) ENGINE=EXAMPLE;

--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';
--replace_regex /\.dll/.so/
--error 1125
eval INSTALL PLUGIN EXAMPLE SONAME '$EXAMPLE_PLUGIN';

UNINSTALL PLUGIN example;

--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

--echo # Example engine does not support indexes
--error ER_TOO_MANY_KEYS
CREATE TABLE t1 (a int PRIMARY KEY) ENGINE=EXAMPLE;
--error ER_TOO_MANY_KEYS
CREATE TABLE t1 (a int, KEY (a)) ENGINE=EXAMPLE;


CREATE TABLE t1(a int) ENGINE=EXAMPLE;

SHOW CREATE TABLE t1;

--echo # Let's do some advanced ops with the example engine :)
INSERT INTO t1 VALUES (0);

--echo # Only supports table scans (and does always return zero rows :)
SELECT * FROM t1;
SELECT * FROM t1 WHERE a = 0;

--echo # Since there are no rows found, it will never do update_row.
UPDATE t1 SET a = 1 WHERE a = 0;

--echo # Since there are no rows found, it will never do delete_row.
DELETE FROM t1 WHERE a = 0;

--echo # No support for SQL HANDLER statement
--error ER_ILLEGAL_HA
HANDLER t1 OPEN;

--echo # Try to delete table when plugin is not loaded.
--echo # Remove table from TDC to allow plugin unload.
FLUSH TABLE t1;
UNINSTALL PLUGIN example;

--error ER_UNKNOWN_STORAGE_ENGINE
DROP TABLE t1;

--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

DROP TABLE t1;

# a couple of tests for variables
set global example_ulong_var=500;
set global example_enum_var= e1;
--disable_warnings
select * from performance_schema.global_status where variable_name like 'example%' order by variable_name;
--enable_warnings
--replace_regex /^Last creation.*t1'$/Last creation 't1'/
show variables like 'example%';

UNINSTALL PLUGIN example;
--error 1305
UNINSTALL PLUGIN EXAMPLE;

--error 1305
UNINSTALL PLUGIN non_exist;


--echo #
--echo # Bug#32034: check_func_enum() does not check correct values but set it
--echo #            to impossible int val
--echo #
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

SET GLOBAL example_enum_var= e1;
SET GLOBAL example_enum_var= e2;
--error 1231
SET GLOBAL example_enum_var= impossible;

UNINSTALL PLUGIN example;



#
# Bug #32757 hang with sql_mode set when setting some global variables
#
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

select @@session.sql_mode into @old_sql_mode;

# first, try normal sql_mode (no error, send OK)
set session sql_mode='';
set global example_ulong_var=500;
select @@global.example_ulong_var;
# overflow -- correct value, but throw warning
set global example_ulong_var=1111;
select @@global.example_ulong_var;

# now, try STRICT (error occurrs, no message is sent, so send default)
set session sql_mode='STRICT_ALL_TABLES';
set global example_ulong_var=500;
select @@global.example_ulong_var;
# overflow -- throw warning, do NOT change value
--error ER_WRONG_VALUE_FOR_VAR
set global example_ulong_var=1111;
select @@global.example_ulong_var;

set session sql_mode=@old_sql_mode;

# finally, show that conditions that already raised an error are not
# adversely affected (error was already sent, do nothing)
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session old=bla;

UNINSTALL PLUGIN example;

--echo #
--echo # Bug #16194302  SUPPORT FOR FLOATING-POINT SYSTEM
--echo #                VARIABLES USING THE PLUGIN INTERFACE.
--echo #

--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

SET GLOBAL example_double_var = -0.1;
SELECT @@GLOBAL.example_double_var;

SET GLOBAL example_double_var = 0.000001;
SELECT @@GLOBAL.example_double_var;

SET GLOBAL example_double_var = 0.4;
SELECT @@GLOBAL.example_double_var;

SET GLOBAL example_double_var = 123.456789;
SELECT @@GLOBAL.example_double_var;

SET GLOBAL example_double_var = 500;
SELECT @@GLOBAL.example_double_var;

SET GLOBAL example_double_var = 999.999999;
SELECT @@GLOBAL.example_double_var;

SET GLOBAL example_double_var = 1000.51;
SELECT @@GLOBAL.example_double_var;

SET SESSION example_double_thdvar = -0.1;
SELECT @@SESSION.example_double_thdvar;

SET SESSION example_double_thdvar = 0.000001;
SELECT @@SESSION.example_double_thdvar;

SET SESSION example_double_thdvar = 0.4;
SELECT @@SESSION.example_double_thdvar;

SET SESSION example_double_thdvar = 123.456789;
SELECT @@SESSION.example_double_thdvar;

SET SESSION example_double_thdvar = 500;
SELECT @@SESSION.example_double_thdvar;

SET SESSION example_double_thdvar = 999.999999;
SELECT @@SESSION.example_double_thdvar;

SET SESSION example_double_thdvar = 1000.51;
SELECT @@SESSION.example_double_thdvar;

UNINSTALL PLUGIN example;

--echo #
--echo # BUG#18008907 - DEADLOCK BETWEEN MYSQL_CHANGE_USER(), SHOW VARIABLES AND INSTALL PLUGIN
--echo #

--enable_connect_log

delimiter |;

CREATE PROCEDURE p_install()
BEGIN
  INSTALL PLUGIN no_such_plugin SONAME 'no_such_object';
END
|

CREATE PROCEDURE p_show_vars()
BEGIN
  SELECT COUNT(*) FROM performance_schema.global_variables;
END|

delimiter ;|

connect(con1, localhost, root,,);

--echo # Case 18008907_1: Deadlock situation cause by
--echo #                  con1: has LOCK_system_variables_hash and waits on LOCK_plugin  AND
--echo #                  default: has LOCK_plugin and waits on LOCK_system_variables_hash.
--echo #
SET DEBUG_SYNC='acquired_LOCK_system_variables_hash SIGNAL install_plugin WAIT_FOR cont_show_vars';
--send call p_show_vars();

connection default;
SET DEBUG_SYNC='now WAIT_FOR install_plugin';
SET DEBUG_SYNC='acquired_LOCK_plugin SIGNAL cont_show_vars';
--send call p_install();

connection con1;
# Without fix, reap will hang.
--disable_warnings
--replace_column 1 #
--reap;
--enable_warnings
SET DEBUG_SYNC='RESET';

connection default;
--replace_regex /(Can\'t open shared library).*$/\1/
--error ER_CANT_OPEN_LIBRARY
--reap;
SET DEBUG_SYNC='RESET';

--echo # Case 18008907_2: Deadlock situation caused by
--echo #                  default: has LOCK_system_variables_hash and waits on LOCK_global_system_variables,
--echo #                  con1: has LOCK_plugin and waits on LOCK_system_variables_hash AND
--echo #                  con2: has LOCK_global_system_variables and waits on LOCK_plugin.

SET DEBUG_SYNC='acquired_LOCK_system_variables_hash SIGNAL install_plugin WAIT_FOR nothing TIMEOUT 10';
--send call p_show_vars();

connection con1;
SET DEBUG_SYNC='now WAIT_FOR install_plugin';
SET DEBUG_SYNC='acquired_LOCK_plugin SIGNAL create_connection WAIT_FOR nothing TIMEOUT 10';
--send call p_install();

connect(con2, localhost, root,,);
SET DEBUG_SYNC='now WAIT_FOR create_connection';
# Without fix, deadlock situation will occur on timeout of debug_syncs in
# default and con1.  Because of this, change_user operation hangs.
change_user;

connection con1;
--replace_regex /(Can\'t open shared library).*$/\1/
--error ER_CANT_OPEN_LIBRARY
--reap;

connection default;
# Note: This masks 1639 debug sync point timed out warning
--disable_warnings
--replace_column 1 #
--reap;
--enable_warnings
disconnect con2;

--echo # Case 18008907_3: Testing Concurrent "Show Variables" and "Plugin Uninstall" operations.

#Installing plugin
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

connection con1;
#Acquiring LOCK_system_variables_hash and LOCK_plugin_delete
SET DEBUG_SYNC='acquired_LOCK_system_variables_hash SIGNAL uninstall_plugin WAIT_FOR go';
--send call p_show_vars();

connect(con2, localhost, root,,);
SET DEBUG_SYNC='now WAIT_FOR uninstall_plugin';
--send UNINSTALL PLUGIN example;

connection default;
#Plugin Uninstall operation will wait until show variables operations releases LOCK_plugin_delete.
let $wait_condition= SELECT count(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST
                     WHERE INFO='UNINSTALL PLUGIN example' and
                     STATE='System lock';
--source include/wait_condition.inc
SET DEBUG_SYNC='now SIGNAL go';

connection con1;
--disable_warnings
--replace_column 1 #
--reap
--enable_warnings

connection con2;
--reap

connection default;
DROP PROCEDURE p_show_vars;
DROP PROCEDURE p_install;
SET DEBUG_SYNC='RESET';
disconnect con1;
disconnect con2;

--disable_connect_log

--echo #
--echo # Bug #11759453: UNINSTALL PLUGIN MISLEADING ERROR
--echo #                MESSAGE FOR NON-DYNAMIC PLUGINS
--echo #

# Innodb is now builtin plugin and not dynamically loaded
--error ER_PLUGIN_DELETE_BUILTIN
UNINSTALL PLUGIN innodb;

--echo #
--echo # Bug #19917521: MEMORY LEAK WITH STRING THREAD VARIABLE 
--echo #                THAT SET MEMALLOC FLAG
--echo #
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

SET SESSION example_create_count_thdvar = 0;
SET SESSION example_last_create_thdvar = '';

CREATE TABLE t10(a INT) ENGINE=EXAMPLE;
SELECT @@SESSION.example_create_count_thdvar;
--replace_regex /^Last creation.*t10'$/Last creation 't10'/
SELECT @@SESSION.example_last_create_thdvar;

CREATE TABLE t20(a INT) ENGINE=EXAMPLE;
SELECT @@SESSION.example_create_count_thdvar;
--replace_regex /^Last creation.*t20'$/Last creation 't20'/
SELECT @@SESSION.example_last_create_thdvar;

DROP TABLE t10, t20;

UNINSTALL PLUGIN example;

--echo #
--echo # BUG#24344026 - SIG 11 IN MY_VALID_MBCHARLEN_UTF8 AT STRINGS/CTYPE-UTF8.CC:9437
--echo #
SET GLOBAL DEBUG='+d,set_uninstall_sync_point';
connect(con1, localhost, root,,);

connection default;
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';
SET DEBUG_SYNC='before_store_plugin_name SIGNAL uninstall_plugin WAIT_FOR plugin_uninstalled';
--send SELECT * FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME='example';

connection con1;
SET DEBUG_SYNC='now WAIT_FOR uninstall_plugin';
UNINSTALL PLUGIN example;
SET DEBUG_SYNC='now SIGNAL plugin_uninstalled';

connection default;
--reap
SET DEBUG_SYNC='RESET';
SET GLOBAL DEBUG='-d,set_uninstall_sync_point';
disconnect con1;

# Wait till we reached the initial number of concurrent sessions
--source include/wait_until_count_sessions.inc

--echo #
--echo # Bug#51770: UNINSTALL PLUGIN requires no privileges
--echo #

CREATE USER bug51770@localhost;
GRANT INSERT ON mysql.plugin TO bug51770@localhost;
connect(con1,localhost,bug51770,,);
--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';
--error ER_TABLEACCESS_DENIED_ERROR
UNINSTALL PLUGIN example;
connection default;
GRANT DELETE ON mysql.plugin TO bug51770@localhost;
connection con1;
UNINSTALL PLUGIN example;
disconnect con1;
connection default;
DROP USER bug51770@localhost;

#
# BUG#58246: INSTALL PLUGIN not secure & crashable
#
# The bug consisted of not recognizing / on Windows, so checking / on
# all platforms should cover this case.

let $path = `select CONCAT_WS('/', '..', '$EXAMPLE_PLUGIN')`;
--replace_regex /\.dll/.so/
--error ER_UDF_NO_PATHS
eval INSTALL PLUGIN example SONAME '$path';

if (`SELECT @@global.log_bin AND @@global.binlog_format = 'ROW'`)
{
  --disable_query_log
  SET SESSION binlog_format= @saved_binlog_format;
  --enable_query_log
}

--echo #
--echo # Bug #28534414: NEGATIVE NUMBERS IN PLUGIN VARIABLES
--echo #                NOT DISPLAYED CORRECTLY
--echo #

--replace_regex /\.dll/.so/
eval INSTALL PLUGIN example SONAME '$EXAMPLE_PLUGIN';

SELECT * FROM performance_schema.global_status WHERE variable_name LIKE 'example_func_example' ORDER BY variable_name;

#Test for signed int plugin global variable
SHOW VARIABLES LIKE 'example_signed_int_var';
SELECT @@GLOBAL.example_signed_int_var;

SET GLOBAL example_signed_int_var = -2147483648;
SELECT @@GLOBAL.example_signed_int_var;

SET GLOBAL example_signed_int_var = -100;
SELECT @@GLOBAL.example_signed_int_var;

SET GLOBAL example_signed_int_var = 0;
SELECT @@GLOBAL.example_signed_int_var;

SET GLOBAL example_signed_int_var = 100;
SELECT @@GLOBAL.example_signed_int_var;

SET GLOBAL example_signed_int_var = 2147483647;
SELECT @@GLOBAL.example_signed_int_var;

SET GLOBAL example_signed_int_var = -2147483649;
SELECT @@GLOBAL.example_signed_int_var;

SET GLOBAL example_signed_int_var = 2147483648;
SELECT @@GLOBAL.example_signed_int_var;

#Test for signed int plugin session variable
SHOW SESSION VARIABLES LIKE 'example_signed_int_thdvar';
SELECT @@SESSION.example_signed_int_thdvar;

SET SESSION example_signed_int_thdvar = -2147483648;
SELECT @@SESSION.example_signed_int_thdvar;

SET SESSION example_signed_int_thdvar = -100;
SELECT @@SESSION.example_signed_int_thdvar;

SET SESSION example_signed_int_thdvar = 0;
SELECT @@SESSION.example_signed_int_thdvar;

SET SESSION example_signed_int_thdvar = 100;
SELECT @@SESSION.example_signed_int_thdvar;

SET SESSION example_signed_int_thdvar = 2147483647;
SELECT @@SESSION.example_signed_int_thdvar;

SET SESSION example_signed_int_thdvar = -2147483649;
SELECT @@SESSION.example_signed_int_thdvar;

SET SESSION example_signed_int_thdvar = 2147483648;
SELECT @@SESSION.example_signed_int_thdvar;

#Test for signed long plugin global variable
SHOW VARIABLES LIKE 'example_signed_long_var';
SELECT @@GLOBAL.example_signed_long_var;

--disable_warnings

SET GLOBAL example_signed_long_var = -9223372036854775808;
SELECT @@GLOBAL.example_signed_long_var IN (-2147483648, -9223372036854775808);

SET GLOBAL example_signed_long_var = -100;
SELECT @@GLOBAL.example_signed_long_var;

SET GLOBAL example_signed_long_var = 0;
SELECT @@GLOBAL.example_signed_long_var;

SET GLOBAL example_signed_long_var = 100;
SELECT @@GLOBAL.example_signed_long_var;

SET GLOBAL example_signed_long_var = 9223372036854775807;
SELECT @@GLOBAL.example_signed_long_var IN (2147483647, 9223372036854775807);

--error ER_WRONG_TYPE_FOR_VAR
SET GLOBAL example_signed_long_var = -9223372036854775809;
SELECT @@GLOBAL.example_signed_long_var IN (2147483647, 9223372036854775807);

SET GLOBAL example_signed_long_var = 9223372036854775808;
SELECT @@GLOBAL.example_signed_long_var IN (2147483647, 9223372036854775807);

#Test for signed long plugin session variable
SHOW SESSION VARIABLES LIKE 'example_signed_long_thdvar';
SELECT @@SESSION.example_signed_long_thdvar;

SET SESSION example_signed_long_thdvar = -9223372036854775808;
SELECT @@SESSION.example_signed_long_thdvar IN (-2147483648, -9223372036854775808);

SET SESSION example_signed_long_thdvar = -100;
SELECT @@SESSION.example_signed_long_thdvar;

SET SESSION example_signed_long_thdvar = 0;
SELECT @@SESSION.example_signed_long_thdvar;

SET SESSION example_signed_long_thdvar = 100;
SELECT @@SESSION.example_signed_long_thdvar;

SET SESSION example_signed_long_thdvar = 9223372036854775807;
SELECT @@SESSION.example_signed_long_thdvar IN (2147483647, 9223372036854775807);

--error ER_WRONG_TYPE_FOR_VAR
SET SESSION example_signed_long_thdvar = -9223372036854775809;
SELECT @@SESSION.example_signed_long_thdvar IN (2147483647, 9223372036854775807);

SET SESSION example_signed_long_thdvar = 9223372036854775808;
SELECT @@SESSION.example_signed_long_thdvar IN (2147483647, 9223372036854775807);

--enable_warnings

#Test for signed longlong plugin global variable
SHOW VARIABLES LIKE 'example_signed_longlong_var';
SELECT @@GLOBAL.example_signed_longlong_var;

SET GLOBAL example_signed_longlong_var = -9223372036854775808;
SELECT @@GLOBAL.example_signed_longlong_var;

SET GLOBAL example_signed_longlong_var = -100;
SELECT @@GLOBAL.example_signed_longlong_var;

SET GLOBAL example_signed_longlong_var = 0;
SELECT @@GLOBAL.example_signed_longlong_var;

SET GLOBAL example_signed_longlong_var = 100;
SELECT @@GLOBAL.example_signed_longlong_var;

SET GLOBAL example_signed_longlong_var = 9223372036854775807;
SELECT @@GLOBAL.example_signed_longlong_var;

--error ER_WRONG_TYPE_FOR_VAR
SET GLOBAL example_signed_longlong_var = -9223372036854775809;
SELECT @@GLOBAL.example_signed_longlong_var;

SET GLOBAL example_signed_longlong_var = 9223372036854775808;
SELECT @@GLOBAL.example_signed_longlong_var;

#Test for signed longlong plugin session variable
SHOW SESSION VARIABLES LIKE 'example_signed_longlong_thdvar';
SELECT @@SESSION.example_signed_longlong_thdvar;

SET SESSION example_signed_longlong_thdvar = -9223372036854775808;
SELECT @@SESSION.example_signed_longlong_thdvar;

SET SESSION example_signed_longlong_thdvar = -100;
SELECT @@SESSION.example_signed_longlong_thdvar;

SET SESSION example_signed_longlong_thdvar = 0;
SELECT @@SESSION.example_signed_longlong_thdvar;

SET SESSION example_signed_longlong_thdvar = 100;
SELECT @@SESSION.example_signed_longlong_thdvar;

SET SESSION example_signed_longlong_thdvar = 9223372036854775807;
SELECT @@SESSION.example_signed_longlong_thdvar;

--error ER_WRONG_TYPE_FOR_VAR
SET SESSION example_signed_longlong_thdvar = -9223372036854775809;
SELECT @@SESSION.example_signed_longlong_thdvar;

SET SESSION example_signed_longlong_thdvar = 9223372036854775808;
SELECT @@SESSION.example_signed_longlong_thdvar;

UNINSTALL PLUGIN example;