Bug#48370: Absolutely wrong calculations with GROUP BY and decimal fields when using IF

Bug#45261: Crash, stored procedure + decimal

Revert fix for Bug#45261 due to unforeseen bugs.

2 files changed, 8 insertions, 346 deletions

diff --git a/mysql-test/r/type_newdecimal.result b/mysql-test/r/type_newdecimal.result
index c3d1e400b23..748aadee4fb 100644
--- a/mysql-test/r/type_newdecimal.result
+++ b/mysql-test/r/type_newdecimal.result
@@ -1495,9 +1495,9 @@ CREATE TABLE t1 (a int DEFAULT NULL, b int DEFAULT NULL);
 INSERT INTO t1 VALUES (3,30), (1,10), (2,10);
 SELECT a+CAST(1 AS decimal(65,30)) AS aa, SUM(b) FROM t1 GROUP BY aa;
 aa	SUM(b)
-2.00000000000000000000000000000	10
-3.00000000000000000000000000000	10
-4.00000000000000000000000000000	30
+2.000000000000000000000000000000	10
+3.000000000000000000000000000000	10
+4.000000000000000000000000000000	30
 SELECT a+CAST(1 AS decimal(65,31)) AS aa, SUM(b) FROM t1 GROUP BY aa;
 ERROR 42000: Too big scale 31 specified for column '1'. Maximum is 30.
 DROP TABLE t1;
@@ -1521,13 +1521,13 @@ f1
 DROP TABLE t1;
 CREATE TABLE t1 SELECT 123451234512345123451234512345123451234512345.678906789067890678906789067890678906789067890 AS f1;
 Warnings:
-Note	1265	Data truncated for column 'f1' at row 1
+Warning	1264	Out of range value for column 'f1' at row 1
 DESC t1;
 Field	Type	Null	Key	Default	Extra
-f1	decimal(65,20)	NO		0.00000000000000000000	
+f1	decimal(65,30)	NO		0.000000000000000000000000000000	
 SELECT f1 FROM t1;
 f1
-123451234512345123451234512345123451234512345.67890678906789067891
+99999999999999999999999999999999999.999999999999999999999999999999
 DROP TABLE t1;
 select (1.20396873 * 0.89550000 * 0.68000000 * 1.08721696 * 0.99500000 *
 1.01500000 * 1.01500000 * 0.99500000);
@@ -1595,7 +1595,7 @@ Warnings:
 Note	1265	Data truncated for column 'my_col' at row 1
 DESCRIBE t1;
 Field	Type	Null	Key	Default	Extra
-my_col	decimal(32,30)	NO		0.000000000000000000000000000000	
+my_col	decimal(65,30)	NO		0.000000000000000000000000000000	
 SELECT my_col FROM t1;
 my_col
 1.123456789123456789123456789123
@@ -1625,212 +1625,8 @@ Warnings:
 Note	1265	Data truncated for column 'my_col' at row 1
 DESCRIBE t1;
 Field	Type	Null	Key	Default	Extra
-my_col	decimal(30,30)	YES		NULL	
+my_col	decimal(65,30)	YES		NULL	
 SELECT my_col FROM t1;
 my_col
 0.012345687012345687012345687012
 DROP TABLE t1;
-#
-# Bug#45261: Crash, stored procedure + decimal
-#
-DROP TABLE IF EXISTS t1;
-CREATE TABLE t1 SELECT
-/* 81 */ 100000000000000000000000000000000000000000000000000000000000000000000000000000001
-AS c1;
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,0)	NO		0	
-SELECT * FROM t1;
-c1
-99999999999999999999999999999999999999999999999999999999999999999
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 81 */ 100000000000000000000000000000000000000000000000000000000000000000000000000000001.
-AS c1;
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,0)	NO		0	
-SELECT * FROM t1;
-c1
-99999999999999999999999999999999999999999999999999999999999999999
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 81 */ 100000000000000000000000000000000000000000000000000000000000000000000000000000001.1 /* 1 */
-AS c1;
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,0)	NO		0	
-SELECT * FROM t1;
-c1
-99999999999999999999999999999999999999999999999999999999999999999
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 82 */ 1000000000000000000000000000000000000000000000000000000000000000000000000000000001
-AS c1;
-Warnings:
-Error	1292	Truncated incorrect DECIMAL value: ''
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,0)	NO		0	
-SELECT * FROM t1;
-c1
-99999999999999999999999999999999999999999999999999999999999999999
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 40 */ 1000000000000000000000000000000000000001.1000000000000000000000000000000000000001 /* 40 */
-AS c1;
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,25)	NO		0.0000000000000000000000000	
-SELECT * FROM t1;
-c1
-1000000000000000000000000000000000000001.1000000000000000000000000
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 1 */ 1.10000000000000000000000000000000000000000000000000000000000000000000000000000001 /* 80 */
-AS c1;
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(31,30)	NO		0.000000000000000000000000000000	
-SELECT * FROM t1;
-c1
-1.100000000000000000000000000000
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 1 */ 1.100000000000000000000000000000000000000000000000000000000000000000000000000000001 /* 81 */
-AS c1;
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(31,30)	NO		0.000000000000000000000000000000	
-SELECT * FROM t1;
-c1
-1.100000000000000000000000000000
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-.100000000000000000000000000000000000000000000000000000000000000000000000000000001 /* 81 */
-AS c1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(30,30)	NO		0.000000000000000000000000000000	
-SELECT * FROM t1;
-c1
-0.100000000000000000000000000000
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 45 */ 123456789012345678901234567890123456789012345.123456789012345678901234567890123456789012345 /* 45 */
-AS c1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,20)	NO		0.00000000000000000000	
-SELECT * FROM t1;
-c1
-123456789012345678901234567890123456789012345.12345678901234567890
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 65 */ 12345678901234567890123456789012345678901234567890123456789012345.1 /* 1 */
-AS c1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,0)	NO		0	
-SELECT * FROM t1;
-c1
-12345678901234567890123456789012345678901234567890123456789012345
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-/* 66 */ 123456789012345678901234567890123456789012345678901234567890123456.1 /* 1 */
-AS c1;
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,0)	NO		0	
-SELECT * FROM t1;
-c1
-99999999999999999999999999999999999999999999999999999999999999999
-DROP TABLE t1;
-CREATE TABLE t1 SELECT
-.123456789012345678901234567890123456789012345678901234567890123456 /* 66 */
-AS c1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(30,30)	NO		0.000000000000000000000000000000	
-SELECT * FROM t1;
-c1
-0.123456789012345678901234567890
-DROP TABLE t1;
-CREATE TABLE t1 AS SELECT 123.1234567890123456789012345678901 /* 31 */ AS c1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 1
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(33,30)	NO		0.000000000000000000000000000000	
-SELECT * FROM t1;
-c1
-123.123456789012345678901234567890
-DROP TABLE t1;
-CREATE TABLE t1 SELECT 1.1 + CAST(1 AS DECIMAL(65,30)) AS c1;
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,29)	NO		0.00000000000000000000000000000	
-SELECT * FROM t1;
-c1
-2.10000000000000000000000000000
-DROP TABLE t1;
-#
-# Test that the integer and decimal parts are properly calculated.
-#
-CREATE TABLE t1 (a DECIMAL(30,30));
-INSERT INTO t1 VALUES (0.1),(0.2),(0.3);
-CREATE TABLE t2 SELECT MIN(a + 0.0000000000000000000000000000001) AS c1 FROM t1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 3
-DESC t2;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(32,30)	YES		NULL	
-DROP TABLE t1,t2;
-CREATE TABLE t1 (a DECIMAL(30,30));
-INSERT INTO t1 VALUES (0.1),(0.2),(0.3);
-CREATE TABLE t2 SELECT IFNULL(a + 0.0000000000000000000000000000001, NULL) AS c1 FROM t1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 1
-Note	1265	Data truncated for column 'c1' at row 2
-Note	1265	Data truncated for column 'c1' at row 3
-DESC t2;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(32,30)	YES		NULL	
-DROP TABLE t1,t2;
-CREATE TABLE t1 (a DECIMAL(30,30));
-INSERT INTO t1 VALUES (0.1),(0.2),(0.3);
-CREATE TABLE t2 SELECT CASE a WHEN 0.1 THEN 0.0000000000000000000000000000000000000000000000000000000000000000001 END AS c1 FROM t1;
-Warnings:
-Note	1265	Data truncated for column 'c1' at row 1
-DESC t2;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(31,30)	YES		NULL	
-DROP TABLE t1,t2;
-#
-# Test that variables get maximum precision.
-#
-SET @decimal= 1.1;
-CREATE TABLE t1 SELECT @decimal AS c1;
-DESC t1;
-Field	Type	Null	Key	Default	Extra
-c1	decimal(65,30)	YES		NULL	
-SELECT * FROM t1;
-c1
-1.100000000000000000000000000000
-DROP TABLE t1;
diff --git a/mysql-test/t/type_newdecimal.test b/mysql-test/t/type_newdecimal.test
index 65bafaae77e..cd3c3f81510 100644
--- a/mysql-test/t/type_newdecimal.test
+++ b/mysql-test/t/type_newdecimal.test
@@ -1286,137 +1286,3 @@ CREATE TABLE t1 SELECT 1 % .1234567891234567891234567891234567891234567891234567
 DESCRIBE t1;
 SELECT my_col FROM t1;
 DROP TABLE t1;
-
---echo #
---echo # Bug#45261: Crash, stored procedure + decimal
---echo #
-
---disable_warnings
-DROP TABLE IF EXISTS t1;
---enable_warnings
-
-CREATE TABLE t1 SELECT
-  /* 81 */ 100000000000000000000000000000000000000000000000000000000000000000000000000000001
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 81 */ 100000000000000000000000000000000000000000000000000000000000000000000000000000001.
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 81 */ 100000000000000000000000000000000000000000000000000000000000000000000000000000001.1 /* 1 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 82 */ 1000000000000000000000000000000000000000000000000000000000000000000000000000000001
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 40 */ 1000000000000000000000000000000000000001.1000000000000000000000000000000000000001 /* 40 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 1 */ 1.10000000000000000000000000000000000000000000000000000000000000000000000000000001 /* 80 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 1 */ 1.100000000000000000000000000000000000000000000000000000000000000000000000000000001 /* 81 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  .100000000000000000000000000000000000000000000000000000000000000000000000000000001 /* 81 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 45 */ 123456789012345678901234567890123456789012345.123456789012345678901234567890123456789012345 /* 45 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 65 */ 12345678901234567890123456789012345678901234567890123456789012345.1 /* 1 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  /* 66 */ 123456789012345678901234567890123456789012345678901234567890123456.1 /* 1 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT
-  .123456789012345678901234567890123456789012345678901234567890123456 /* 66 */
-  AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 AS SELECT 123.1234567890123456789012345678901 /* 31 */ AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
-CREATE TABLE t1 SELECT 1.1 + CAST(1 AS DECIMAL(65,30)) AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;
-
---echo #
---echo # Test that the integer and decimal parts are properly calculated.
---echo #
-
-CREATE TABLE t1 (a DECIMAL(30,30));
-INSERT INTO t1 VALUES (0.1),(0.2),(0.3);
-CREATE TABLE t2 SELECT MIN(a + 0.0000000000000000000000000000001) AS c1 FROM t1;
-DESC t2;
-DROP TABLE t1,t2;
-
-CREATE TABLE t1 (a DECIMAL(30,30));
-INSERT INTO t1 VALUES (0.1),(0.2),(0.3);
-CREATE TABLE t2 SELECT IFNULL(a + 0.0000000000000000000000000000001, NULL) AS c1 FROM t1;
-DESC t2;
-DROP TABLE t1,t2;
-
-CREATE TABLE t1 (a DECIMAL(30,30));
-INSERT INTO t1 VALUES (0.1),(0.2),(0.3);
-CREATE TABLE t2 SELECT CASE a WHEN 0.1 THEN 0.0000000000000000000000000000000000000000000000000000000000000000001 END AS c1 FROM t1;
-DESC t2;
-DROP TABLE t1,t2;
-
---echo #
---echo # Test that variables get maximum precision.
---echo #
-
-SET @decimal= 1.1;
-CREATE TABLE t1 SELECT @decimal AS c1;
-DESC t1;
-SELECT * FROM t1;
-DROP TABLE t1;