SET @session_start_value = @@session.engine_condition_pushdown;
SELECT @session_start_value;
@session_start_value
0
SET @global_start_value = @@global.engine_condition_pushdown;
SELECT @global_start_value;
@global_start_value
0
select @old_session_opt_switch:=@@session.optimizer_switch,
@old_global_opt_switch:=@@global.optimizer_switch;
@old_session_opt_switch:=@@session.optimizer_switch	@old_global_opt_switch:=@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
'#--------------------FN_DYNVARS_028_01------------------------#'
SET @@session.engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SET @@session.engine_condition_pushdown = DEFAULT;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SET @@global.engine_condition_pushdown = DEFAULT;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
'#---------------------FN_DYNVARS_028_02-------------------------#'
SET engine_condition_pushdown = 1;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@engine_condition_pushdown;
@@engine_condition_pushdown
1
SELECT session.engine_condition_pushdown;
ERROR 42S02: Unknown table 'session' in field list
SELECT local.engine_condition_pushdown;
ERROR 42S02: Unknown table 'local' in field list
SELECT global.engine_condition_pushdown;
ERROR 42S02: Unknown table 'global' in field list
SET session engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET global engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
'#--------------------FN_DYNVARS_028_03------------------------#'
SET @@session.engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@session.engine_condition_pushdown = 1;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = 1;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
'#--------------------FN_DYNVARS_028_04-------------------------#'
SET @@session.engine_condition_pushdown = -1;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of '-1'
SET @@session.engine_condition_pushdown = 1.6;
ERROR 42000: Incorrect argument type to variable 'engine_condition_pushdown'
SET @@session.engine_condition_pushdown = "T";
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'T'
SET @@session.engine_condition_pushdown = "Y";
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'Y'
SET @@session.engine_condition_pushdown = TRÜE;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'TRÜE'
SET @@session.engine_condition_pushdown = ÕN;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'ÕN'
SET @@session.engine_condition_pushdown = OF;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'OF'
SET @@session.engine_condition_pushdown = ÓFF;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'ÓFF'
SET @@global.engine_condition_pushdown = -1;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of '-1'
SET @@global.engine_condition_pushdown = 2;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of '2'
SET @@global.engine_condition_pushdown = "T";
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'T'
SET @@global.engine_condition_pushdown = "Y";
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'Y'
SET @@global.engine_condition_pushdown = TRÜE;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'TRÜE'
SET @@global.engine_condition_pushdown = ÕN;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'ÕN'
SET @@global.engine_condition_pushdown = OF;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'OF'
SET @@global.engine_condition_pushdown = ÓFF;
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'ÓFF'
'#-------------------FN_DYNVARS_028_05----------------------------#'
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SET @@session.engine_condition_pushdown = 1;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown AS res_is_0;
res_is_0
0
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown AS res_is_1;
res_is_1
1
'#----------------------FN_DYNVARS_028_06------------------------#'
SELECT IF(@@global.engine_condition_pushdown, "ON", "OFF") = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='engine_condition_pushdown';
IF(@@global.engine_condition_pushdown, "ON", "OFF") = VARIABLE_VALUE
1
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
SELECT VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='engine_condition_pushdown';
VARIABLE_VALUE
OFF
'#----------------------FN_DYNVARS_028_07------------------------#'
SELECT IF(@@session.engine_condition_pushdown, "ON", "OFF") = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='engine_condition_pushdown';
IF(@@session.engine_condition_pushdown, "ON", "OFF") = VARIABLE_VALUE
1
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SELECT VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='engine_condition_pushdown';
VARIABLE_VALUE
ON
'#---------------------FN_DYNVARS_028_08-------------------------#'
SET @@session.engine_condition_pushdown = OFF;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@session.engine_condition_pushdown = ON;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = OFF;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = ON;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
'#---------------------FN_DYNVARS_028_09----------------------#'
SET @@session.engine_condition_pushdown = TRUE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@session.engine_condition_pushdown = FALSE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = TRUE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = FALSE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
Check that @@engine_condition_pushdown influences
@@optimizer_switch and vice-versa
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@session.engine_condition_pushdown = TRUE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
1	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=on,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@session.engine_condition_pushdown = FALSE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@global.engine_condition_pushdown = TRUE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	1	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=on,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@global.engine_condition_pushdown = FALSE;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@session.optimizer_switch = "engine_condition_pushdown=on";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
1	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=on,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@session.optimizer_switch = "engine_condition_pushdown=off";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@global.optimizer_switch = "engine_condition_pushdown=on";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	1	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=on,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
set @@global.optimizer_switch = "engine_condition_pushdown=off";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
SET @@session.engine_condition_pushdown = @session_start_value;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = @global_start_value;
Warnings:
Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
set @session.optimizer_switch=@old_session_opt_switch,
@@global.optimizer_switch=@old_global_opt_switch;
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown	@@global.engine_condition_pushdown	@@session.optimizer_switch	@@global.optimizer_switch
0	0	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off