variables.test

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# Bug#3754 SET GLOBAL myisam_max_sort_file_size doesn't work as
# expected: check that there is no overflow when 64-bit unsigned
# variables are set

set global myisam_max_sort_file_size=4294967296;
--replace_result 4294967296 MAX_FILE_SIZE 2146435072 MAX_FILE_SIZE
show global variables like 'myisam_max_sort_file_size';
set global myisam_max_sort_file_size=default;

#
# swap
#
select @@global.max_user_connections,@@local.max_join_size;
set @svc=@@global.max_user_connections, @svj=@@local.max_join_size;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=111,@@local.max_join_size=222;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=@@local.max_join_size,@@local.max_join_size=@@global.max_user_connections;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=@svc, @@local.max_join_size=@svj;
select @@global.max_user_connections,@@local.max_join_size;
set @a=1, @b=2;
set @a=@b, @b=@a;
select @a, @b;

#
# Bug#2586:Disallow global/session/local as structured var. instance names
#
--error 1064
set @@global.global.key_buffer_size= 1;
--error 1064
set GLOBAL global.key_buffer_size= 1;
--error 1064
SELECT @@global.global.key_buffer_size;
--error 1064
SELECT @@global.session.key_buffer_size;
--error 1064
SELECT @@global.local.key_buffer_size;

# BUG#5135: cannot turn on log_warnings with SET in 4.1 (and 4.0)
set @tstlw = @@log_warnings;
show global variables like 'log_warnings';
set global log_warnings = 0;
show global variables like 'log_warnings';
set global log_warnings = 42;
show global variables like 'log_warnings';
set global log_warnings = @tstlw;
show global variables like 'log_warnings';

#
# BUG#4788 show create table provides incorrect statement
#
# What default width have numeric types?
create table t1 (
  c1 tinyint,
  c2 smallint,
  c3 mediumint,
  c4 int,
  c5 bigint);
show create table t1;
drop table t1;
#
# What types and widths have variables?
set @arg00= 8, @arg01= 8.8, @arg02= 'a string', @arg03= 0.2e0;
create table t1 as select @arg00 as c1, @arg01 as c2, @arg02 as c3, @arg03 as c4;
show create table t1;
drop table t1;


#
# Bug #6993: myisam_data_pointer_size
# Wrong bug report, data pointer size must be restricted to 7,
# setting to 8 will not work on all computers, myisamchk and
# the server may see a wrong value, such as 0 or negative number
# if 8 bytes is set.
#

SET GLOBAL MYISAM_DATA_POINTER_SIZE= 7;
SHOW VARIABLES LIKE 'MYISAM_DATA_POINTER_SIZE';

#
# Bug #6958: negative arguments to integer options wrap around
#

SET GLOBAL table_cache=-1;
SHOW VARIABLES LIKE 'table_cache';
SET GLOBAL table_cache=DEFAULT;

#
# Bugs12363: character_set_results is nullable,
# but value_ptr returns string "NULL"
#
set character_set_results=NULL;
select ifnull(@@character_set_results,"really null");
set names latin1;


#
# Bug #9613: @@have_innodb
#

--replace_column 1 #
select @@have_innodb;

#
# Tests for lc_time_names
# Note, when adding new locales, please fix ID accordingly:
# - to test the last ID (currently 108)
# - and the next after the last (currently 109)
#
--echo *** Various tests with LC_TIME_NAMES
--echo *** LC_TIME_NAMES: testing case insensitivity
set @@lc_time_names='ru_ru';
select @@lc_time_names;
--echo *** LC_TIME_NAMES: testing with a user variable
set @lc='JA_JP';
set @@lc_time_names=@lc;
select @@lc_time_names;
--echo *** LC_TIME_NAMES: testing with string expressions
set lc_time_names=concat('de','_','DE');
select @@lc_time_names;
--error 1105
set lc_time_names=concat('de','+','DE');
select @@lc_time_names;
--echo LC_TIME_NAMES: testing with numeric expressions
set @@lc_time_names=1+2;
select @@lc_time_names;
--error 1232
set @@lc_time_names=1/0;
select @@lc_time_names;
set lc_time_names=en_US;
--echo LC_TIME_NAMES: testing NULL and a negative number:
--error 1231
set lc_time_names=NULL;
--error 1105
set lc_time_names=-1;
select @@lc_time_names;
--echo LC_TIME_NAMES: testing locale with the last ID:
set lc_time_names=108;
select @@lc_time_names;
--echo LC_TIME_NAMES: testing a number beyond the valid ID range:
--error 1105
set lc_time_names=109;
select @@lc_time_names;
--echo LC_TIME_NAMES: testing that 0 is en_US:
set lc_time_names=0;
select @@lc_time_names;

#
# Bug #22648 LC_TIME_NAMES: Setting GLOBAL has no effect
#
select @@global.lc_time_names, @@lc_time_names;
set @@global.lc_time_names=fr_FR;
select @@global.lc_time_names, @@lc_time_names;
--echo New connection
connect (con1,localhost,root,,);
connection con1;
select @@global.lc_time_names, @@lc_time_names;
set @@lc_time_names=ru_RU;
select @@global.lc_time_names, @@lc_time_names;
disconnect con1;
connection default;
--echo Returnung to default connection
select @@global.lc_time_names, @@lc_time_names;
set lc_time_names=default;
select @@global.lc_time_names, @@lc_time_names;
set @@global.lc_time_names=default;
select @@global.lc_time_names, @@lc_time_names;
set @@lc_time_names=default;
select @@global.lc_time_names, @@lc_time_names;


#
# Bug #13334: query_prealloc_size default less than minimum
#
set @test = @@query_prealloc_size;
set @@query_prealloc_size = @test;
select @@query_prealloc_size = @test;

# End of 4.1 tests

#
# Bug#6282 Packet error with SELECT INTO
# 

create table t1 (a int);
select a into @x from t1;
show warnings;
drop table t1;

#
# Bug #10339: read only variables.
#

--error 1238
set @@warning_count=1;
--error 1238
set @@global.error_count=1;

#
# Bug #10351: Setting ulong variable to > MAX_ULONG fails on 32-bit platform
#

set @@max_heap_table_size= 4294967296;
select @@max_heap_table_size > 0;
set global max_heap_table_size= 4294967296;
select @@max_heap_table_size > 0;
set @@max_heap_table_size= 4294967296;
select @@max_heap_table_size > 0;

#
# Bug #11775 Variable character_set_system does not exist (sometimes)
#
select @@character_set_system;
--error 1238
set global character_set_system = latin1;
--error 1238
set @@global.version_compile_os='234';

#
# Check character_set_filesystem variable
#
set character_set_filesystem=latin1;
select @@character_set_filesystem;
set @@global.character_set_filesystem=latin2;
set character_set_filesystem=latin1;
select @@character_set_filesystem;
set @@global.character_set_filesystem=latin2;
set character_set_filesystem=default;
select @@character_set_filesystem;
set @@global.character_set_filesystem=default;
select @@global.character_set_filesystem;

#
# Bug #17849: Show sql_big_selects in SHOW VARIABLES
#
set @old_sql_big_selects = @@sql_big_selects;
set @@sql_big_selects = 1;
show variables like 'sql_big_selects';
set @@sql_big_selects = @old_sql_big_selects;

#
# Bug #16195: SHOW VARIABLES doesn't report correctly sql_warnings and
# sql_notes values
# 
set @@sql_notes = 0, @@sql_warnings = 0;
show variables like 'sql_notes';
show variables like 'sql_warnings';
set @@sql_notes = 1, @@sql_warnings = 1;
show variables like 'sql_notes';
show variables like 'sql_warnings';

#
# Bug #12792: @@system_time_zone is not SELECTable.
#
# Don't actually output, since it depends on the system
--replace_column 1 #
select @@system_time_zone;

#
# Bug #15684: system variables cannot be SELECTed (e.g. @@version_comment)
#
# Don't actually output, since it depends on the system
--replace_column 1 # 2 # 3 # 4 #
select @@version, @@version_comment, @@version_compile_machine,
       @@version_compile_os;

#
# Bug #1039: make tmpdir and datadir available as @@variables (also included
# basedir)
#
# Don't actually output, since it depends on the system
--replace_column 1 # 2 # 3 #
select @@basedir, @@datadir, @@tmpdir;
--replace_column 2 #
show variables like 'basedir';
--replace_column 2 #
show variables like 'datadir';
--replace_column 2 #
show variables like 'tmpdir';

#
# Bug #19606: make ssl settings available via SHOW VARIABLES and @@variables
# 
# Don't actually output, since it depends on the system
--replace_column 1 # 2 # 3 # 4 # 5 #
select @@ssl_ca, @@ssl_capath, @@ssl_cert, @@ssl_cipher, @@ssl_key;
--replace_column 2 #
show variables like 'ssl%';

#
# Bug #19616: make log_queries_not_using_indexes available in SHOW VARIABLES
# and as @@log_queries_not_using_indexes
#
select @@log_queries_not_using_indexes;
show variables like 'log_queries_not_using_indexes';

#
# Bug#20908: Crash if select @@""
#
--error ER_PARSE_ERROR
select @@"";
--error ER_PARSE_ERROR
select @@&;
--error ER_PARSE_ERROR
select @@@;

#
# Bug#20166 mysql-test-run.pl does not test system privilege tables creation
#
# Don't actually output, since it depends on the system
--replace_column 1 #
select @@hostname;
--error 1238
set @@hostname= "anothername";
--replace_column 2 #
show variables like 'hostname';

--echo End of 5.0 tests

# This is at the very after the versioned tests, since it involves doing
# cleanup
#
# Bug #19263: variables.test doesn't clean up after itself (II/II --
# restore)
#
set global binlog_cache_size         =@my_binlog_cache_size;
set global connect_timeout           =@my_connect_timeout;
set global delayed_insert_timeout    =@my_delayed_insert_timeout;
set global delayed_queue_size        =@my_delayed_queue_size;
set global flush                     =@my_flush;
set global flush_time                =@my_flush_time;
set global key_buffer_size           =@my_key_buffer_size;
set global max_binlog_cache_size     =default;                #@my_max_binlog_cache_size;
set global max_binlog_size           =@my_max_binlog_size;
set global max_connect_errors        =@my_max_connect_errors;
set global max_delayed_threads       =@my_max_delayed_threads;
set global max_heap_table_size       =@my_max_heap_table_size;
set global max_insert_delayed_threads=@my_max_insert_delayed_threads;
set global max_join_size             =@my_max_join_size;
set global max_user_connections      =@my_max_user_connections;
set global max_write_lock_count      =@my_max_write_lock_count;
set global myisam_data_pointer_size  =@my_myisam_data_pointer_size;
set global net_buffer_length         =@my_net_buffer_length;
set global net_write_timeout         =@my_net_write_timeout;
set global net_read_timeout          =@my_net_read_timeout;
set global query_cache_limit         =@my_query_cache_limit;
set global query_cache_type          =@my_query_cache_type;
set global rpl_recovery_rank         =@my_rpl_recovery_rank;
set global server_id                 =@my_server_id;
set global slow_launch_time          =@my_slow_launch_time;
set global storage_engine            =@my_storage_engine;
set global thread_cache_size         =@my_thread_cache_size;