[MDEV-33685] Unexpected values appeared in select query statements that should logically imply each other - Jira

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Type: Bug
Status: Open (View Workflow)
Priority: Major
Resolution: Unresolved
Affects Version/s: 11.3.2
Fix Version/s: None
Component/s: Optimizer
Labels:
None
Environment:
ubuntu 20.04

Description

description

In theory,the result of sql2(distinct) ∈ the result of sql1

however,the value -7342912915181579000 change to -100000000000000000 after adding DISTINCT,which seems like a logical bug

sql1

WITH `MYWITH`

AS (SELECT

          (~`f6`) AS `f1`,(!COLLATION(`f5`)+BINARY CEILING(-7342912915181579179)) AS `f2`,(DATE_ADD(LOG(0.8294980637211848), INTERVAL 1 MINUTE_SECOND)) AS `f3`

    FROM (SELECT

               `col_bigint_undef_unsigned` AS `f7`,`col_decimal(40, 20)_key_signed` AS `f5`,`col_decimal(40, 20)_key_signed` AS `f8`

          FROM `table_7_utf8_undef`

          IGNORE INDEX (`col_float_key_signed`, `col_double_key_unsigned`))

    AS `t1`

    NATURAL JOIN

          (SELECT (~COLLATION(`f11`)) AS `f4`,(DATE_SUB(`f12`, INTERVAL 1 HOUR_MICROSECOND)) AS `f9`,(`f12`) AS `f6`

          FROM (SELECT `col_float_key_unsigned` AS `f10`,`col_float_undef_unsigned` AS `f11`,`col_bigint_key_signed` AS `f12`

               FROM `table_7_utf8_undef`

               FORCE INDEX (`col_bigint_key_unsigned`))

          AS `t2`

          ORDER BY `f12`)

    AS `t3`)

SELECT * FROM `MYWITH`;

the result:

+----------------------+----------------------+------+

| f1                   | f2                   | f3   |

+----------------------+----------------------+------+

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

+----------------------+----------------------+------+

sql2

WITH `MYWITH`

AS (SELECT DISTINCT /*add  DISTINCT in this */

          (~`f6`) AS `f1`,(!COLLATION(`f5`)+BINARY CEILING(-7342912915181579179)) AS `f2`,(DATE_ADD(LOG(0.8294980637211848), INTERVAL 1 MINUTE_SECOND)) AS `f3`

    FROM (SELECT

               `col_bigint_undef_unsigned` AS `f7`,`col_decimal(40, 20)_key_signed` AS `f5`,`col_decimal(40, 20)_key_signed` AS `f8`

          FROM `table_7_utf8_undef`

          IGNORE INDEX (`col_float_key_signed`, `col_double_key_unsigned`))

    AS `t1`

    NATURAL JOIN

          (SELECT (~COLLATION(`f11`)) AS `f4`,(DATE_SUB(`f12`, INTERVAL 1 HOUR_MICROSECOND)) AS `f9`,(`f12`) AS `f6`

          FROM (SELECT `col_float_key_unsigned` AS `f10`,`col_float_undef_unsigned` AS `f11`,`col_bigint_key_signed` AS `f12`

               FROM `table_7_utf8_undef`

               FORCE INDEX (`col_bigint_key_unsigned`))

          AS `t2`

          ORDER BY `f12`)

    AS `t3`)

SELECT * FROM `MYWITH`;

result :

+----------------------+---------------------+------+

| f1                   | f2                  | f3   |

+----------------------+---------------------+------+

| 18446744073709551614 | -100000000000000000 | NULL |

| 18446744073709551508 | -100000000000000000 | NULL |

|                    8 | -100000000000000000 | NULL |

|                    0 | -100000000000000000 | NULL |

| 18446744073709551615 | -100000000000000000 | NULL |

| 18446744073709551577 | -100000000000000000 | NULL |

+----------------------+---------------------+------+

how to repeat

create table table_3_utf8_undef (

`pk` int primary key,

`col_bigint_undef_signed` bigint  ,

`col_bigint_undef_unsigned` bigint unsigned ,

`col_bigint_key_signed` bigint  ,

`col_bigint_key_unsigned` bigint unsigned ,

`col_float_undef_signed` float  ,

`col_float_undef_unsigned` float unsigned ,

`col_float_key_signed` float  ,

`col_float_key_unsigned` float unsigned ,

`col_double_undef_signed` double  ,

`col_double_undef_unsigned` double unsigned ,

`col_double_key_signed` double  ,

`col_double_key_unsigned` double unsigned ,

`col_decimal(40, 20)_undef_signed` decimal(40, 20)  ,

`col_decimal(40, 20)_undef_unsigned` decimal(40, 20) unsigned ,

`col_decimal(40, 20)_key_signed` decimal(40, 20)  ,

`col_decimal(40, 20)_key_unsigned` decimal(40, 20) unsigned ,

`col_char(20)_undef_signed` char(20)  ,

`col_char(20)_key_signed` char(20)  ,

`col_varchar(20)_undef_signed` varchar(20)  ,

`col_varchar(20)_key_signed` varchar(20)  ,

key (`col_bigint_key_signed`),

key (`col_bigint_key_unsigned`),

key (`col_float_key_signed`),

key (`col_float_key_unsigned`),

key (`col_double_key_signed`),

key (`col_double_key_unsigned`),

key (`col_decimal(40, 20)_key_signed`),

key (`col_decimal(40, 20)_key_unsigned`),

key (`col_char(20)_key_signed`),

key (`col_varchar(20)_key_signed`)

) character set utf8 ;

insert into table_3_utf8_undef values (0,82.1847,1,39.0425,38.1089,-1,1,94.1106,1.009,12.991,19755,-13064,0,1,79.1429,-2,1,"well",'3

','-0','e'),(1,1,20.0078,-9.183,68.1957,1,2,1,0.0001,12.991,2,71.0510,1,-1,2,12.991,12.991,'3	','1','3	','-0'),(2,-2,1,-21247,1.009,2,1.009,0.0001,36.0002,-2,2,-0,0.0001,-2,0.1598,47.1515,1.009,'3	','w','-1','e');

create table table_7_utf8_undef (

`pk` int primary key,

`col_bigint_undef_signed` bigint  ,

`col_bigint_undef_unsigned` bigint unsigned ,

`col_bigint_key_signed` bigint  ,

`col_bigint_key_unsigned` bigint unsigned ,

`col_float_undef_signed` float  ,

`col_float_undef_unsigned` float unsigned ,

`col_float_key_signed` float  ,

`col_float_key_unsigned` float unsigned ,

`col_double_undef_signed` double  ,

`col_double_undef_unsigned` double unsigned ,

`col_double_key_signed` double  ,

`col_double_key_unsigned` double unsigned ,

`col_decimal(40, 20)_undef_signed` decimal(40, 20)  ,

`col_decimal(40, 20)_undef_unsigned` decimal(40, 20) unsigned ,

`col_decimal(40, 20)_key_signed` decimal(40, 20)  ,

`col_decimal(40, 20)_key_unsigned` decimal(40, 20) unsigned ,

`col_char(20)_undef_signed` char(20)  ,

`col_char(20)_key_signed` char(20)  ,

`col_varchar(20)_undef_signed` varchar(20)  ,

`col_varchar(20)_key_signed` varchar(20)  ,

key (`col_bigint_key_signed`),

key (`col_bigint_key_unsigned`),

key (`col_float_key_signed`),

key (`col_float_key_unsigned`),

key (`col_double_key_signed`),

key (`col_double_key_unsigned`),

key (`col_decimal(40, 20)_key_signed`),

key (`col_decimal(40, 20)_key_unsigned`),

key (`col_char(20)_key_signed`),

key (`col_varchar(20)_key_signed`)

) character set utf8 ;

insert into table_7_utf8_undef values (0,-9.183,1,1.1384,2,15.1271,12.991,-2,0.0001,36.1270,79.1819,0.0001,0.0001,3.1387,52.0818,-0,0.0001,'1','3	','0','0'),(1,79,12.991,107,2,-0.0001,0,1.009,1.009,34,1,-1,69.0208,1,2,120,12.991,'3	','-1',"if",'b'),(2,-2,1,-9.183,1,12.991,0.0001,53,12.991,1.009,12.991,12.991,0.0001,-0.0001,12.991,0.0001,2,'3

','p','0','3	'),(3,-0.0001,12.991,1.009,1.009,-9.183,2,0,1,-2,1,2,1,2,1.009,2,12.991,'3

','0','k','0'),(4,1.009,0.0001,-1,12.991,2,47,2,0,12.991,12.991,1.009,0,1.009,1.009,-0.0001,6949,'-1','	3','1','m'),(5,-0,1,0,0,0.0001,28.1237,12.991,0,12.991,12.991,-0,12.991,2,2,2,1.009,'0','	3','0','	3'),(6,45.0855,1,38.1166,1,1.009,80.0284,2,122,0.0001,0,-1,11130,0,1,1,0,"know",'-0','

3','3

');

WITH `MYWITH`

AS (SELECT

          (~`f6`) AS `f1`,(!COLLATION(`f5`)+BINARY CEILING(-7342912915181579179)) AS `f2`,(DATE_ADD(LOG(0.8294980637211848), INTERVAL 1 MINUTE_SECOND)) AS `f3`

    FROM (SELECT

               `col_bigint_undef_unsigned` AS `f7`,`col_decimal(40, 20)_key_signed` AS `f5`,`col_decimal(40, 20)_key_signed` AS `f8`

          FROM `table_7_utf8_undef`

          IGNORE INDEX (`col_float_key_signed`, `col_double_key_unsigned`))

    AS `t1`

    NATURAL JOIN

          (SELECT (~COLLATION(`f11`)) AS `f4`,(DATE_SUB(`f12`, INTERVAL 1 HOUR_MICROSECOND)) AS `f9`,(`f12`) AS `f6`

          FROM (SELECT `col_float_key_unsigned` AS `f10`,`col_float_undef_unsigned` AS `f11`,`col_bigint_key_signed` AS `f12`

               FROM `table_7_utf8_undef`

               FORCE INDEX (`col_bigint_key_unsigned`))

          AS `t2`

          ORDER BY `f12`)

    AS `t3`)

SELECT * FROM `MYWITH`;

+----------------------+----------------------+------+

| f1                   | f2                   | f3   |

+----------------------+----------------------+------+

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

| 18446744073709551508 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

|                    8 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

| 18446744073709551614 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

|                    0 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551615 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

| 18446744073709551577 | -7342912915181579000 | NULL |

+----------------------+----------------------+------+

WITH `MYWITH`

AS (SELECT DISTINCT

          (~`f6`) AS `f1`,(!COLLATION(`f5`)+BINARY CEILING(-7342912915181579179)) AS `f2`,(DATE_ADD(LOG(0.8294980637211848), INTERVAL 1 MINUTE_SECOND)) AS `f3`

    FROM (SELECT

               `col_bigint_undef_unsigned` AS `f7`,`col_decimal(40, 20)_key_signed` AS `f5`,`col_decimal(40, 20)_key_signed` AS `f8`

          FROM `table_7_utf8_undef`

          IGNORE INDEX (`col_float_key_signed`, `col_double_key_unsigned`))

    AS `t1`

    NATURAL JOIN

          (SELECT (~COLLATION(`f11`)) AS `f4`,(DATE_SUB(`f12`, INTERVAL 1 HOUR_MICROSECOND)) AS `f9`,(`f12`) AS `f6`

          FROM (SELECT `col_float_key_unsigned` AS `f10`,`col_float_undef_unsigned` AS `f11`,`col_bigint_key_signed` AS `f12`

               FROM `table_7_utf8_undef`

               FORCE INDEX (`col_bigint_key_unsigned`))

          AS `t2`

          ORDER BY `f12`)

    AS `t3`)

SELECT * FROM `MYWITH`;

{code:java}

+----------------------+---------------------+------+

| f1                   | f2                  | f3   |

+----------------------+---------------------+------+

| 18446744073709551614 | -100000000000000000 | NULL |

| 18446744073709551508 | -100000000000000000 | NULL |

|                    8 | -100000000000000000 | NULL |

|                    0 | -100000000000000000 | NULL |

| 18446744073709551615 | -100000000000000000 | NULL |

| 18446744073709551577 | -100000000000000000 | NULL |

+----------------------+---------------------+------+

The results should have had a containment relationship, but now they are not.

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Assignee:: Unassigned

Reporter:: yll

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 2024-03-16 14:26

Updated:: 2024-03-16 15:37

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