mariadb/mysql-test/main/range_notembedded.test

#
# Range tests without embedded server. 
#   The first reason to have them is that embedded server doesn't have
#   optimizer trace.
#
--source include/not_embedded.inc
--disable_warnings
drop table if exists t1,t2;
--enable_warnings

--echo #
--echo # MDEV-21958: Query having many NOT-IN clauses running forever
--echo #
create table t2 (
  pk int primary key,
  key1 int,
  col1 int,
  key (key1, pk)
);

insert into t2 (pk, key1) values (1,1),(2,2),(3,3),(4,4),(5,5);

set @tmp_21958=@@optimizer_trace;
set optimizer_trace=1;
explain select * from t2 where key1 in (1,2,3) and pk not in (1,2,3);

--echo # This should show only ranges in form "(1) <= (key1) <= (1)"
--echo #  ranges over "pk" should not be constructed.
# Enable after fix MDEV-31408
--disable_view_protocol
select json_detailed(JSON_EXTRACT(trace, '$**.ranges'))
from information_schema.optimizer_trace;
--enable_view_protocol
set optimizer_trace=@tmp_21958;

drop table t2;
--echo #
--echo # MDEV-9750: Quick memory exhaustion with 'extended_keys=on'...
--echo #

create table t1 (
   kp1 int,
   kp2 int,
   kp3 int,
   kp4 int,
   key key1(kp1, kp2, kp3,kp4)
);

insert into t1 values (1,1,1,1),(2,2,2,2),(3,3,3,3);
analyze table t1;

show variables like 'optimizer_max_sel_arg_weight';

# 20 * 20 * 20 *20 = 400*400 = 160,000 ranges
set @tmp_9750=@@optimizer_trace;
set optimizer_trace=1;
explain select * from t1 where 
  kp1 in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) and
  kp2 in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) and
  kp3 in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) and
  kp4 in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20)
;

set @json= (select json_detailed(JSON_EXTRACT(trace, '$**.range_scan_alternatives'))
            from information_schema.optimizer_trace);
--echo # This will show 3-component ranges. 
--echo # The ranges were produced, but the optimizer has cut away kp4
--echo #  to keep the number of ranges at manageable level:
select left(@json, 500);

--echo ## Repeat the above with low max_weight:
set @tmp9750_weight=@@optimizer_max_sel_arg_weight;
set optimizer_max_sel_arg_weight=20;
explain select * from t1 where 
  kp1 in (1,2,3,4,5,6,7,8,9,10) and
  kp2 in (1,2,3,4,5,6,7,8,9,10) and
  kp3 in (1,2,3,4,5,6,7,8,9,10) and
  kp4 in (1,2,3,4,5,6,7,8,9,10)
;
set @trace= (select trace from information_schema.optimizer_trace);
set @json= json_detailed(json_extract(@trace, '$**.range_scan_alternatives'));
select left(@json, 500);

set @json= json_detailed(json_extract(@trace, '$**.setup_range_conditions'));
select left(@json, 2500);

--echo ## Repeat the above with a bit higher max_weight:
set optimizer_max_sel_arg_weight=120;
explain select * from t1 where 
  kp1 in (1,2,3,4,5,6,7,8,9,10) and
  kp2 in (1,2,3,4,5,6,7,8,9,10) and
  kp3 in (1,2,3,4,5,6,7,8,9,10) and
  kp4 in (1,2,3,4,5,6,7,8,9,10)
;
set @json= (select json_detailed(JSON_EXTRACT(trace, '$**.range_scan_alternatives'))
            from information_schema.optimizer_trace);
select left(@json, 1500);

set optimizer_max_sel_arg_weight= @tmp9750_weight;
set optimizer_trace=@tmp_9750;

drop table t1;

--echo #
--echo # MDEV-24739: Assertion `root->weight >= ...' failed in SEL_ARG::tree_delete
--echo #
SELECT *
FROM mysql.help_relation
WHERE NOT (help_topic_id != 8 AND help_keyword_id != 0 OR help_keyword_id = 2 OR help_topic_id < 1900);

SELECT *
FROM mysql.help_relation ignore index (help_topic_id)
WHERE (help_topic_id = 8 OR help_keyword_id = 0) AND help_keyword_id != 2 AND help_topic_id >= 1900;

--echo #
--echo # MDEV-24953: 10.5.9 crashes with large IN() list
--echo #
--source include/have_sequence.inc

CREATE TABLE t1 (
  notification_type_id smallint(4) unsigned NOT NULL DEFAULT 0,
  item_id int(10) unsigned NOT NULL DEFAULT 0,
  item_parent_id int(10) unsigned NOT NULL DEFAULT 0,
  user_id int(10) unsigned NOT NULL DEFAULT 0,
  PRIMARY KEY (notification_type_id,item_id,item_parent_id,user_id)
);
insert into t1 values (1,1,1,1), (2,2,2,2), (3,3,3,3);
insert into t1 select seq,seq,seq,seq from seq_10_to_30;

let $consts=`select group_concat(concat("'",seq,"'")) from seq_1_to_4642`;

--echo # Run crashing query
--disable_query_log
eval
explain
DELETE FROM t1
WHERE
  notification_type_id IN (3, 4, 5, 6, 23)
  AND
  user_id = '5044'
  AND
  item_parent_id IN ($consts)
;
--enable_query_log

drop table t1;

--echo #
--echo # MDEV-25069: Assertion `root->weight >= ...' failed in SEL_ARG::tree_delete #2
--echo #

SELECT *
FROM mysql.help_relation
WHERE
  (help_topic_id < '2' OR help_topic_id != 8 OR help_topic_id < 1) AND
  help_keyword_id = help_topic_id;

--echo #
--echo # MDEV-29242: Assertion `computed_weight == weight' failed SEL_ARG::verify_weight
--echo #
CREATE TABLE t1 (id INT, KEY (id));
INSERT INTO t1 VALUES (1),(5);
SELECT id FROM t1 WHERE id IS NULL OR id NOT BETWEEN 1 AND 4;
DROP TABLE t1;