drop table if exists t0, t1, t2, t3, t4;
drop view if exists v1;
SET @old_debug= @@session.debug_dbug;
set debug_sync='RESET';
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (a int);
alter table t1 add b int, add c int, add filler char(32);
insert into t1 select A.a, 10*B.a, 100*C.a, 'foo filler' from t0 A, t0 B, t0 C;
alter table t1 add key(a), add key(b);
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	Engine-independent statistics collected
test.t1	analyze	status	Table is already up to date
show analyze for 1001;
ERROR HY000: Unknown thread id: 1001
show analyze for (select a from t0 limit 1);
ERROR HY000: You may only use constant expressions in this statement
connect  con1, localhost, root,,;
connection con1;
SET @old_debug= @@session.debug_dbug;
connection default;
show analyze for $thr2;
ERROR HY000: Target is not executing an operation with a query plan
show analyze for $thr1;
ERROR HY000: Target is not executing an operation with a query plan
connection con1;
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
select count(*) from t1 where c < 500;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	1000	1000.00	50.00	50.00	Using where
Warnings:
Note	1003	select count(*) from t1 where c < 500
connection con1;
count(*)
500
select max(c) from t1 where c < 10;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	1000	1000.00	10.00	10.00	Using where
Warnings:
Note	1003	select max(c) from t1 where c < 10
connection con1;
max(c)
0
# We can catch ANALYZE too.
analyze select max(c) from t1 where a < 10;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	1000	1000.00	99.90	100.00	Using where
Warnings:
Note	1003	analyze select max(c) from t1 where a < 10
connection con1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	1000	1000.00	99.90	100.00	Using where
SET debug_dbug=@old_debug;
# UNION, select, first branch
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
select max(a) from t0 A where a<=5 union select max(a+1) from t0 B where a>=9;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	60.00	Using where
2	UNION	B	ALL	NULL	NULL	NULL	NULL	10	NULL	100.00	NULL	Using where
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	0.00	NULL	NULL	
Warnings:
Note	1003	select max(a) from t0 A where a<=5 union select max(a+1) from t0 B where a>=9
connection con1;
max(a)
5
10
# UNION, select, second branch
set @show_explain_probe_select_id=2;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
select max(a) from t0 A where a<=5 union select max(a+1) from t0 B where a>=9;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	60.00	Using where
2	UNION	B	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	10.00	Using where
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	0.00	NULL	NULL	
Warnings:
Note	1003	select max(a) from t0 A where a<=5 union select max(a+1) from t0 B where a>=9
connection con1;
max(a)
5
10
# UNION, analyze, first branch
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
analyze select a from t0 A where a<=5 union select a+1 from t0 B where a>=9;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	60.00	Using where
2	UNION	B	ALL	NULL	NULL	NULL	NULL	10	NULL	100.00	NULL	Using where
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	0.00	NULL	NULL	
Warnings:
Note	1003	analyze select a from t0 A where a<=5 union select a+1 from t0 B where a>=9
connection con1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	60.00	Using where
2	UNION	B	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	10.00	Using where
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	7.00	NULL	NULL	
# UNION, analyze, second branch
set @show_explain_probe_select_id=2;
analyze select a from t0 A where a<=5 union select a+1 from t0 B where a>=9;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	60.00	Using where
2	UNION	B	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	10.00	Using where
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	0.00	NULL	NULL	
Warnings:
Note	1003	analyze select a from t0 A where a<=5 union select a+1 from t0 B where a>=9
connection con1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	60.00	Using where
2	UNION	B	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	10.00	Using where
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	7.00	NULL	NULL	
SET debug_dbug=@old_debug;
# Uncorrelated  subquery, select
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
select a, (select max(a) from t0 B where a>6) from t0 A where a<2;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	20.00	Using where
2	SUBQUERY	B	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	30.00	Using where
Warnings:
Note	1003	select a, (select max(a) from t0 B where a>6) from t0 A where a<2
connection con1;
a	(select max(a) from t0 B where a>6)
0	9
1	9
SET debug_dbug=@old_debug;
# Uncorrelated  subquery, analyze
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
analyze select a, (select max(a) from t0 B where a>6) from t0 A where a<2;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	20.00	Using where
2	SUBQUERY	B	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	30.00	Using where
Warnings:
Note	1003	analyze select a, (select max(a) from t0 B where a>6) from t0 A where a<2
connection con1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	A	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	20.00	Using where
2	SUBQUERY	B	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	30.00	Using where
SET debug_dbug=@old_debug;
# correlated subquery, select, before execution start
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_start';
select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	a	ALL	NULL	NULL	NULL	NULL	10	NULL	100.00	NULL	Using where
2	DEPENDENT SUBQUERY	b	ALL	NULL	NULL	NULL	NULL	10	NULL	100.00	NULL	Using where
Warnings:
Note	1003	select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2
connection con1;
a	(select max(a) from t0 b where b.a+a.a<10)
0	9
1	8
SET debug_dbug=@old_debug;
# correlated subquery, select, after execution
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	a	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	20.00	Using where
2	DEPENDENT SUBQUERY	b	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	95.00	Using where
Warnings:
Note	1003	select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2
connection con1;
a	(select max(a) from t0 b where b.a+a.a<10)
0	9
1	8
SET debug_dbug=@old_debug;
# correlated subquery, analyze
set @show_explain_probe_select_id=1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
analyze select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	a	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	20.00	Using where
2	DEPENDENT SUBQUERY	b	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	95.00	Using where
Warnings:
Note	1003	analyze select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2
connection con1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	a	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	20.00	Using where
2	DEPENDENT SUBQUERY	b	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	95.00	Using where
SET debug_dbug=@old_debug;
# Try to do SHOW ANALYZE for a query that runs a  SET command:
#
create table t2 (a int);
insert into t2 values (1),(2);
set @show_explain_probe_select_id=3;
SET debug_dbug='+d,show_explain_probe_join_exec_start';
set @foo= (select max(a) from t2
where a + (select max(a) from t0 where t0.a>t2.a) < 10000);
connection default;
show analyze for $thr2;
ERROR HY000: Target is not executing an operation with a query plan
kill query $thr2;
connection con1;
ERROR 70100: Query execution was interrupted
SET debug_dbug=@old_debug;
drop table t2;
#
# Attempt SHOW ANALYZE for an UPDATE
#
create table t2 as select a as a, a as dummy from t0 limit 2;
set @show_explain_probe_select_id=2;
SET debug_dbug='+d,show_explain_probe_join_exec_start';
update t2 set dummy=0 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	1.00	100.00	0.00	Using where
2	DEPENDENT SUBQUERY	t0	ALL	NULL	NULL	NULL	NULL	10	NULL	100.00	NULL	Using where
Warnings:
Note	1003	update t2 set dummy=0 where (select max(a) from t0 where t2.a + t0.a <3) >3
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	2.00	100.00	0.00	Using where
2	DEPENDENT SUBQUERY	t0	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	30.00	Using where
Warnings:
Note	1003	update t2 set dummy=0 where (select max(a) from t0 where t2.a + t0.a <3) >3
connection con1;
drop table t2;
SET debug_dbug=@old_debug;
#
# Attempt SHOW ANALYZE for a DELETE
#
create table t2 as select a as a, a as dummy from t0 limit 2;
set @show_explain_probe_select_id=2;
SET debug_dbug='+d,show_explain_probe_join_exec_start';
delete from t2 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	1.00	100.00	0.00	Using where
2	DEPENDENT SUBQUERY	t0	ALL	NULL	NULL	NULL	NULL	10	NULL	100.00	NULL	Using where
Warnings:
Note	1003	delete from t2 where (select max(a) from t0 where t2.a + t0.a <3) >3
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	2.00	100.00	0.00	Using where
2	DEPENDENT SUBQUERY	t0	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	30.00	Using where
Warnings:
Note	1003	delete from t2 where (select max(a) from t0 where t2.a + t0.a <3) >3
connection con1;
drop table t2;
SET debug_dbug=@old_debug;
#
# Multiple SHOW ANALYZE calls for one select
#
create table t2 as select a as a, a as dummy from t0 limit 3;
set @show_explain_probe_select_id=2;
SET debug_dbug='+d,show_explain_probe_join_exec_start';
select t2.a, ((select max(a) from t0 where t2.a + t0.a <3) >3) as SUBQ from t2;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	3	1.00	100.00	100.00	
2	DEPENDENT SUBQUERY	t0	ALL	NULL	NULL	NULL	NULL	10	NULL	100.00	NULL	Using where
Warnings:
Note	1003	select t2.a, ((select max(a) from t0 where t2.a + t0.a <3) >3) as SUBQ from t2
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	3	2.00	100.00	100.00	
2	DEPENDENT SUBQUERY	t0	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	30.00	Using where
Warnings:
Note	1003	select t2.a, ((select max(a) from t0 where t2.a + t0.a <3) >3) as SUBQ from t2
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	3	3.00	100.00	100.00	
2	DEPENDENT SUBQUERY	t0	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	25.00	Using where
Warnings:
Note	1003	select t2.a, ((select max(a) from t0 where t2.a + t0.a <3) >3) as SUBQ from t2
connection con1;
a	SUBQ
0	0
1	0
2	0
SET debug_dbug=@old_debug;
drop table t2;
#
# SHOW ANALYZE for SELECT ... ORDER BY with "Using filesort"
#
SET debug_dbug='+d,show_explain_probe_join_exec_end';
set @show_explain_probe_select_id=1;
select * from t0 order by a;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	100.00	Using filesort
Warnings:
Note	1003	select * from t0 order by a
connection con1;
a
0
1
2
3
4
5
6
7
8
9
SET debug_dbug=@old_debug;
#
# SHOW ANALYZE for SELECT ... with "Using temporary"
#
connection con1;
SET debug_dbug='+d,show_explain_probe_join_exec_end';
set @show_explain_probe_select_id=1;
select distinct a from t0;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	100.00	Using temporary
Warnings:
Note	1003	select distinct a from t0
connection con1;
a
0
1
2
3
4
5
6
7
8
9
SET debug_dbug=@old_debug;
#
# SHOW ANALYZE for SELECT ... with "Using temporary; Using filesort"
#
SET debug_dbug='+d,show_explain_probe_join_exec_end';
set @show_explain_probe_select_id=1;
select distinct a from t0;
connection default;
show analyze for $thr2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	10	10.00	100.00	100.00	Using temporary
Warnings:
Note	1003	select distinct a from t0
connection con1;
a
0
1
2
3
4
5
6
7
8
9
SET debug_dbug=@old_debug;
drop table t0,t1;
#
# MDEV-28124: Server crashes in Explain_aggr_filesort::print_json_members
# upon SHOW ANALYZE/EXPLAIN FORMAT=JSON
#
connection con1;
set @show_explain_probe_query= 'SELECT count(*) - count(*) FROM sys.waits_by_user_by_latency';
set debug_dbug='+d,explain_notify_tables_are_closed';
SELECT count(*) - count(*) FROM sys.waits_by_user_by_latency;
connection default;
SHOW ANALYZE FOR $thr2;
ERROR HY000: Target is not executing an operation with a query plan
connection con1;
count(*) - count(*)
0
# End
connection default;
disconnect con1;
set debug_sync='RESET';
#
# MDEV-28201: Server crashes upon SHOW ANALYZE/EXPLAIN FORMAT=JSON
#
CREATE TABLE t1 ( a varchar(1));
INSERT INTO t1 VALUES ('a'),('b');
ANALYZE format=json 
SELECT 1 FROM t1 GROUP BY convert_tz('1969-12-31 22:00:00',a,'+10:00');
ANALYZE
{
  "query_optimization": {
    "r_total_time_ms": "REPLACED"
  },
  "query_block": {
    "select_id": 1,
    "cost": "REPLACED",
    "r_loops": 1,
    "r_total_time_ms": "REPLACED",
    "filesort": {
      "sort_key": "convert_tz('1969-12-31 22:00:00',t1.a,'+10:00')",
      "r_loops": 1,
      "r_total_time_ms": "REPLACED",
      "r_used_priority_queue": false,
      "r_output_rows": 1,
      "r_buffer_size": "REPLACED",
      "r_sort_mode": "sort_key,rowid",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "t1",
              "access_type": "ALL",
              "loops": 1,
              "r_loops": 1,
              "rows": 2,
              "r_rows": 2,
              "cost": "REPLACED",
              "r_table_time_ms": "REPLACED",
              "r_other_time_ms": "REPLACED",
              "r_engine_stats": REPLACED,
              "filtered": 100,
              "r_total_filtered": 100,
              "r_filtered": 100
            }
          }
        ]
      }
    }
  }
}
DROP TABLE t1;
#
# MDEV-31432 tmp_table field accessed after free
# testing for the above (MDEV-28201) caused use after free error
#
create table t1 (x int) engine=myisam;
insert into t1 values(1);
set @tmp=@@optimizer_trace;
set @@optimizer_trace=1;
SELECT
1 IN
((
SELECT
1 IN (SELECT 1 AS x0
FROM
(
SELECT *
FROM (SELECT 1 AS x) AS x5
GROUP BY x,x
HAVING
x IN (
SELECT *
FROM t1 AS x1
WHERE
x IN (SELECT 1 AS x
FROM t1 AS x3
GROUP BY x
HAVING
x IN (SELECT 0 FROM t1 AS x4)
)
)
) AS x6
)
FROM
t1
)) as VAL;
VAL
0
set optimizer_trace=@tmp;
drop table t1;