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mariadb/mysql-test/main/olap.test
Oleg Smirnov 972879f413 MDEV-33010 Crash when pushing condition with CHARSET()/COERCIBILITY() into derived table 
Based on the current logic, objects of classes Item_func_charset and
Item_func_coercibility (responsible for CHARSET() and COERCIBILITY()
functions) are always considered constant.
However, SQL syntax allows their use in a non-constant manner, such as
CHARSET(t1.a), COERCIBILITY(t1.a).

In these cases, the `used_tables()` parameter corresponds to table names
in the function parameters, creating an inconsistency: the item is marked
as constant but accesses tables. This leads to crashes when
conditions with CHARSET()/COERCIBILITY() are pushed into derived tables.

This commit addresses the issue by setting `used_tables()` to 0 for
`Item_func_charset` and `Item_func_coercibility`. Additionally, the items
now store the return values during the preparation phase and return
them during the execution phase. This ensures that the items do not call
its arguments methods during the execution and are truly constant.

Reviewer: Alexander Barkov <bar@mariadb.com>
2024-07-16 16:20:17 +07:00

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set @sav_dpi= @@div_precision_increment;
set div_precision_increment= 5;
show variables like 'div_precision_increment';
create table t1 (product varchar(32), country_id int not null, year int, profit int);
insert into t1 values ( 'Computer', 2,2000, 1200),
( 'TV', 1, 1999, 150),
( 'Calculator', 1, 1999,50),
( 'Computer', 1, 1999,1500),
( 'Computer', 1, 2000,1500),
( 'TV', 1, 2000, 150),
( 'TV', 2, 2000, 100),
( 'TV', 2, 2000, 100),
( 'Calculator', 1, 2000,75),
( 'Calculator', 2, 2000,75),
( 'TV', 1, 1999, 100),
( 'Computer', 1, 1999,1200),
( 'Computer', 2, 2000,1500),
( 'Calculator', 2, 2000,75),
( 'Phone', 3, 2003,10)
;
create table t2 (country_id int primary key, country char(20) not null);
insert into t2 values (1, 'USA'),(2,'India'), (3,'Finland');
# First simple rollups, with just grand total
select product, sum(profit) from t1 group by product;
select product, sum(profit) from t1 group by product with rollup;
select product, sum(profit) from t1 group by 1 with rollup;
select product, sum(profit),avg(profit) from t1 group by product with rollup;
# Sub totals
select product, country_id , year, sum(profit) from t1 group by product, country_id, year;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
explain extended select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
select product, country_id , sum(profit) from t1 group by product desc, country_id with rollup;
# limit
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup limit 5;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup limit 3,3;
select product, country_id, count(*), count(distinct year) from t1 group by product, country_id;
select product, country_id, count(*), count(distinct year) from t1 group by product, country_id with rollup;
# Test of having
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having country_id = 1;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having sum(profit) > 200;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having sum(profit) > 7000;
# Functions
select concat(product,':',country_id) as 'prod', concat(":",year,":") as 'year',1+1, sum(profit)/count(*) from t1 group by 1,2 with rollup;
select product, sum(profit)/count(*) from t1 group by product with rollup;
select left(product,4) as prod, sum(profit)/count(*) from t1 group by prod with rollup;
select concat(product,':',country_id), 1+1, sum(profit)/count(*) from t1 group by concat(product,':',country_id) with rollup;
# Joins
select product, country , year, sum(profit) from t1,t2 where t1.country_id=t2.country_id group by product, country, year with rollup;
# Derived tables and sub selects
select product, `sum` from (select product, sum(profit) as 'sum' from t1 group by product with rollup) as tmp where product is null;
select product from t1 where exists (select product, country_id , sum(profit) from t1 as t2 where t1.product=t2.product group by product, country_id with rollup having sum(profit) > 6000);
# The following doesn't return the expected answer, but this is a limitation
# in the implementation so we should just document it
select product, country_id , year, sum(profit) from t1 group by product, country_id, year having country_id is NULL;
select concat(':',product,':'), sum(profit),avg(profit) from t1 group by product with rollup;
# Error handling
# Cube is not yet implemented
--error 1235
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube;
--error 1235
explain select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube;
--error 1235
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube union all select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
drop table t1,t2;
#
# Test bug with const tables
#
CREATE TABLE t1 (i int);
INSERT INTO t1 VALUES(100);
CREATE TABLE t2 (i int);
INSERT INTO t2 VALUES (100),(200);
SELECT i, COUNT(*) FROM t1 GROUP BY i WITH ROLLUP;
SELECT t1.i, t2.i, COUNT(*) FROM t1,t2 GROUP BY t1.i,t2.i WITH ROLLUP;
drop table t1,t2;
#bug #4767: ROLLUP with LEFT JOIN
CREATE TABLE user_day(
user_id INT NOT NULL,
date DATE NOT NULL,
UNIQUE INDEX user_date (user_id, date)
);
INSERT INTO user_day VALUES
(1, '2004-06-06' ),
(1, '2004-06-07' ),
(2, '2004-06-06' );
SELECT
d.date AS day,
COUNT(d.user_id) as sample,
COUNT(next_day.user_id) AS not_cancelled
FROM user_day d
LEFT JOIN user_day next_day
ON next_day.user_id=d.user_id AND
next_day.date= DATE_ADD( d.date, interval 1 day )
GROUP BY day;
SELECT
d.date AS day,
COUNT(d.user_id) as sample,
COUNT(next_day.user_id) AS not_cancelled
FROM user_day d
LEFT JOIN user_day next_day
ON next_day.user_id=d.user_id AND
next_day.date= DATE_ADD( d.date, interval 1 day )
GROUP BY day
WITH ROLLUP;
DROP TABLE user_day;
#
# Tests for bugs #8616, #8615: distinct sum with rollup
#
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES
(1,4),
(2,2), (2,2),
(4,1), (4,1), (4,1), (4,1),
(2,1), (2,1);
SELECT SUM(b) FROM t1 GROUP BY a WITH ROLLUP;
SELECT DISTINCT SUM(b) FROM t1 GROUP BY a WITH ROLLUP;
SELECT SUM(b), COUNT(DISTINCT b) FROM t1 GROUP BY a WITH ROLLUP;
SELECT DISTINCT SUM(b), COUNT(DISTINCT b) FROM t1 GROUP BY a WITH ROLLUP;
SELECT SUM(b), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP;
SELECT DISTINCT SUM(b), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP;
SELECT SUM(b), COUNT(DISTINCT b), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP;
SELECT DISTINCT SUM(b), COUNT(DISTINCT b), COUNT(*) FROM t1
GROUP BY a WITH ROLLUP;
SELECT a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP;
SELECT DISTINCT a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP;
SELECT b, a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP;
SELECT DISTINCT b,a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP;
ALTER TABLE t1 ADD COLUMN c INT;
SELECT a,b,sum(c) FROM t1 GROUP BY a,b,c WITH ROLLUP;
SELECT distinct a,b,sum(c) FROM t1 GROUP BY a,b,c WITH ROLLUP;
DROP TABLE t1;
#
# Tests for bugs #8617: SQL_CACL_FOUND_ROWS with rollup and limit
#
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES
(1,4),
(2,2), (2,2),
(4,1), (4,1), (4,1), (4,1),
(2,1), (2,1);
SELECT a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1;
SELECT SQL_CALC_FOUND_ROWS a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1;
DROP TABLE t1;
#
# Tests for bug #9681: ROLLUP in subquery for derived table wiht
# a group by field declared as NOT NULL
#
CREATE TABLE t1 (a int(11) NOT NULL);
INSERT INTO t1 VALUES (1),(2);
SELECT a, SUM(a) m FROM t1 GROUP BY a WITH ROLLUP;
SELECT * FROM ( SELECT a, SUM(a) m FROM t1 GROUP BY a WITH ROLLUP ) t2;
DROP TABLE t1;
set div_precision_increment= @sav_dpi;
#
# Tests for bug #7914: ROLLUP over expressions on temporary table
#
CREATE TABLE t1 (a int(11));
INSERT INTO t1 VALUES (1),(2);
SELECT a, SUM(a), SUM(a)+1 FROM (SELECT a FROM t1 UNION select 2) d
GROUP BY a;
SELECT a, SUM(a), SUM(a)+1 FROM (SELECT a FROM t1 UNION select 2) d
GROUP BY a WITH ROLLUP;
SELECT a, SUM(a), SUM(a)+1 FROM (SELECT 1 a UNION select 2) d
GROUP BY a;
SELECT a, SUM(a), SUM(a)+1 FROM (SELECT 1 a UNION select 2) d
GROUP BY a WITH ROLLUP;
#enable view protocol after fix MDEV-28535
--disable_view_protocol
SELECT a, SUM(a), SUM(a)+1, CONCAT(SUM(a),'x'), SUM(a)+SUM(a), SUM(a)
FROM (SELECT 1 a, 2 b UNION SELECT 2,3 UNION SELECT 5,6 ) d
GROUP BY a WITH ROLLUP;
--enable_view_protocol
DROP TABLE t1;
#
# Tests for bug #7894: ROLLUP over expressions on group by attributes
#
CREATE TABLE t1 (a int(11));
INSERT INTO t1 VALUES (1),(2);
SELECT a, a+1, SUM(a) FROM t1 GROUP BY a WITH ROLLUP;
SELECT a+1 FROM t1 GROUP BY a WITH ROLLUP;
SELECT a+SUM(a) FROM t1 GROUP BY a WITH ROLLUP;
SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING b > 2;
SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NULL;
SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING b IS NULL;
SELECT IFNULL(a, 'TEST') FROM t1 GROUP BY a WITH ROLLUP;
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES
(1,4),
(2,2), (2,2),
(4,1), (4,1), (4,1), (4,1),
(2,1), (2,1);
SELECT a,b,SUM(b) FROM t2 GROUP BY a,b WITH ROLLUP;
SELECT a,b,SUM(b), a+b as c FROM t2
GROUP BY a,b WITH ROLLUP HAVING c IS NULL;
SELECT IFNULL(a, 'TEST'), COALESCE(b, 'TEST') FROM t2
GROUP BY a, b WITH ROLLUP;
DROP TABLE t1,t2;
#
# Test for bug #11543: ROLLUP query with a repeated column in GROUP BY
#
#enable view protocol after fix MDEV-28536
--disable_view_protocol
CREATE TABLE t1 (a INT(10) NOT NULL, b INT(10) NOT NULL);
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (1, 2);
SELECT a, b, a AS c, COUNT(*) AS count FROM t1 GROUP BY a, b, c WITH ROLLUP;
DROP TABLE t1;
--enable_view_protocol
# Bug #12885(1): derived table specified by a subquery with
# ROLLUP over expressions on not nullable group by attributes
#
CREATE TABLE t1 (a int(11) NOT NULL);
INSERT INTO t1 VALUES (1),(2);
SELECT * FROM (SELECT a, a + 1, COUNT(*) FROM t1 GROUP BY a WITH ROLLUP) t;
SELECT * FROM (SELECT a, LENGTH(a), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP) t;
DROP TABLE t1;
#
# Bug #12887 Distinct is not always applied after rollup
#
create table t1 ( a varchar(9), b int );
insert into t1 values('a',1),(null,2);
select a, max(b) from t1 group by a with rollup;
select distinct a, max(b) from t1 group by a with rollup;
drop table t1;
#
# Bug #20825: rollup puts non-equal values together
#
create table t1 (a varchar(22) not null , b int);
insert into t1 values ("2006-07-01 21:30", 1), ("2006-07-01 23:30", 10);
select left(a,10), a, sum(b) from t1 group by 1,2 with rollup;
select left(a,10) x, a, sum(b) from t1 group by x,a with rollup;
drop table t1;
#
# Bug #24856: ROLLUP by const item in a query with DISTINCT
#
CREATE TABLE t1 (a int, b int);
INSERT INTO t1
VALUES (2,10),(3,30),(2,40),(1,10),(2,30),(1,20),(2,10);
SELECT a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP;
SELECT DISTINCT a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP;
SELECT a, b, COUNT(*) FROM t1 GROUP BY a,b WITH ROLLUP;
SELECT DISTINCT a, b, COUNT(*) FROM t1 GROUP BY a,b WITH ROLLUP;
SELECT 'x', a, SUM(b) FROM t1 GROUP BY 1,2 WITH ROLLUP;
SELECT DISTINCT 'x', a, SUM(b) FROM t1 GROUP BY 1,2 WITH ROLLUP;
SELECT DISTINCT 'x', a, SUM(b) FROM t1 GROUP BY 1,2 WITH ROLLUP;
DROP TABLE t1;
# End of 4.1 tests
#
# Tests for bug #11639: ROLLUP over view executed through filesort
#
CREATE TABLE t1(id int, type char(1));
INSERT INTO t1 VALUES
(1,"A"),(2,"C"),(3,"A"),(4,"A"),(5,"B"),
(6,"B"),(7,"A"),(8,"C"),(9,"A"),(10,"C");
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT type FROM t1 GROUP BY type WITH ROLLUP;
SELECT type FROM v1 GROUP BY type WITH ROLLUP;
EXPLAIN SELECT type FROM v1 GROUP BY type WITH ROLLUP;
DROP VIEW v1;
DROP TABLE t1;
#
# Bug #12885(2): view specified by a subquery with
# ROLLUP over expressions on not nullable group by attributes
#
CREATE TABLE t1 (a int(11) NOT NULL);
INSERT INTO t1 VALUES (1),(2);
CREATE VIEW v1 AS
SELECT a, LENGTH(a), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP;
DESC v1;
SELECT * FROM v1;
DROP VIEW v1;
DROP TABLE t1;
#
# Bug #26830: derived table with ROLLUP
#
CREATE TABLE t1 (a int, KEY (a));
INSERT INTO t1 VALUES (3), (1), (4), (1), (3), (1), (1);
SELECT * FROM (SELECT a, SUM(a) FROM t1 GROUP BY a WITH ROLLUP) as t;
DROP TABLE t1;
--echo #
--echo # Bug#31095: Unexpected NULL constant caused server crash.
--echo #
create table t1(a int);
insert into t1 values (1),(2),(3);
select count(a) from t1 group by null with rollup;
drop table t1;
--echo ##############################################################
#
# Bug #32558: group by null-returning expression with rollup causes crash
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES(0);
SELECT 1 FROM t1 GROUP BY (DATE(NULL)) WITH ROLLUP;
DROP TABLE t1;
--echo #
--echo # Bug #48131: crash group by with rollup, distinct,
--echo # filesort, with temporary tables
--echo #
CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY);
INSERT INTO t1 VALUES (1), (2);
CREATE TABLE t2 (b INT);
INSERT INTO t2 VALUES (100);
SELECT a, b FROM t1, t2 GROUP BY a, b WITH ROLLUP;
SELECT DISTINCT b FROM t1, t2 GROUP BY a, b WITH ROLLUP;
DROP TABLE t1, t2;
--echo #
--echo # Bug #48475: DISTINCT is ignored with GROUP BY WITH ROLLUP
--echo # and only const tables
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (b INT);
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1);
SELECT DISTINCT b FROM t1, t2 GROUP BY a, b WITH ROLLUP;
DROP TABLE t1, t2;
--echo End of 5.0 tests
--echo #
--echo # End of 10.0 tests
--echo #
--echo #
--echo # MDEV-16190 Server crashes in Item_null_result::field_type on SELECT with time field, ROLLUP and HAVING
--echo #
CREATE TABLE t1 (t TIME) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('12:12:12');
SELECT t, COUNT(*) FROM t1 GROUP BY t WITH ROLLUP HAVING t > '00:00:00';
DROP TABLE t1;
CREATE TABLE t1 (t TIME) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('12:12:12'),('12:12:13');
SELECT t, COUNT(*) FROM t1 GROUP BY t WITH ROLLUP HAVING t > '00:00:00';
DROP TABLE t1;
--echo #
--echo # MDEV-17830 Server crashes in Item_null_result::field_type upon SELECT with CHARSET(date) and ROLLUP
--echo #
CREATE TABLE t (d DATE) ENGINE=MyISAM;
INSERT INTO t VALUES ('2018-12-12');
SELECT CHARSET(d) AS f FROM t GROUP BY d WITH ROLLUP;
DROP TABLE t;
--echo #
--echo # MDEV-14041 Server crashes in String::length on queries with functions and ROLLUP
--echo #
--disable_ps2_protocol
#enable view protocol after fix MDEV-28538
--disable_view_protocol
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1),(2);
SELECT GET_LOCK( 'foo', 0 );
SELECT HEX( RELEASE_LOCK( 'foo' ) ) AS f FROM t1 GROUP BY f WITH ROLLUP;
DROP TABLE t1;
--enable_view_protocol
--enable_ps2_protocol
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1),(2);
SELECT i FROM t1 GROUP BY i WITH ROLLUP
UNION ALL
SELECT ELT( FOUND_ROWS(), 1 ) f FROM t1 GROUP BY f WITH ROLLUP;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
SELECT a FROM t1 GROUP BY NULLIF( CONVERT('', DATE), '2015-10-15' ) WITH ROLLUP;
DROP TABLE t1;
--echo #
--echo # End of 10.1 tests
--echo #
--echo #
--echo # End of 10.2 tests
--echo #
--echo #
--echo # MDEV-12886 Different default for INT and BIGINT column in a VIEW for a SELECT with ROLLUP
--echo #
CREATE TABLE t1 (a int(11) NOT NULL);
INSERT INTO t1 VALUES (1),(2);
CREATE OR REPLACE VIEW v1 AS SELECT a, LENGTH(a), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP;
DESCRIBE v1;
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (a bigint(11) NOT NULL);
INSERT INTO t1 VALUES (1),(2);
CREATE OR REPLACE VIEW v1 AS SELECT a, LENGTH(a), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP;
DESCRIBE v1;
DROP VIEW v1;
DROP TABLE t1;
--echo #
--echo # MDEV-9410 VIEW over a ROLLUP query reports too large columns
--echo #
CREATE TABLE t1 (a int(10) NOT NULL, b int(20) NOT NULL);
INSERT INTO t1 VALUES (1,1),(2,2);
CREATE VIEW v1 AS SELECT a,b FROM t1;
DESC v1;
DROP VIEW v1;
CREATE VIEW v1 AS SELECT a, b FROM t1 GROUP BY a,b;
DESC v1;
DROP VIEW v1;
CREATE VIEW v1 AS SELECT a, b FROM t1 GROUP BY a,b WITH ROLLUP;
DESC v1;
DROP VIEW v1;
DROP TABLE t1;
--echo #
--echo # MDEV-15576: Server crashed in Cached_item_str::cmp / sortcmp or
--echo # Assertion `item->null_value' failed in
--echo # Type_handler_temporal_result::make_sort_key upon SELECT with NULLIF
--echo # and ROLLUP
--echo #
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1),(2);
--disable_warnings
SELECT NULLIF( CAST( 'foo' AS DATE ), NULL & 'bar' ) AS f FROM t1 GROUP BY f WITH ROLLUP;
--enable_warnings
DROP TABLE t1;
--echo # End of 10.3 Tests
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