MDEV-27712 Reduce the size of Lex_length_and_dec_st from 16 to 8

User visible change:
Removing the length specified by user from error messages:
ER_TOO_BIG_SCALE and ER_TOO_BIG_PRECISION
as discussed with Sergei.

mysql-test/main/cast.result

@@ -390,13 +390,13 @@ ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column
 select cast(1 as decimal(5,6));
 ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '')
 select cast(1 as double(66,6));
-ERROR 42000: Too big precision 66 specified for '1'. Maximum is 65
+ERROR 42000: Too big precision specified for '1'. Maximum is 65
 select cast(1 as decimal(66,6));
-ERROR 42000: Too big precision 66 specified for '1'. Maximum is 65
+ERROR 42000: Too big precision specified for '1'. Maximum is 65
 select cast(1 as decimal(64,63));
-ERROR 42000: Too big scale 63 specified for '1'. Maximum is 38
+ERROR 42000: Too big scale specified for '1'. Maximum is 38
 select cast(1 as double(64,63));
-ERROR 42000: Too big scale 63 specified for '1'. Maximum is 38
+ERROR 42000: Too big scale specified for '1'. Maximum is 38
 set names binary;
 select cast(_latin1'test' as char character set latin2);
 cast(_latin1'test' as char character set latin2)

mysql-test/main/dyncol.result

@@ -1459,7 +1459,7 @@ Note	1105	Cast to signed converted positive out-of-range integer to it's negativ
 #             mysqld
 #
 SELECT COLUMN_GET(`x`, 'y' AS DECIMAL(5,50));
-ERROR 42000: Too big scale 50 specified for ''y''. Maximum is 38
+ERROR 42000: Too big scale specified for ''y''. Maximum is 38
 #
 # test of symbolic names
 #

mysql-test/main/func_time.result

@@ -1983,7 +1983,7 @@ select microsecond('12:00:00.123456'), microsecond('2009-12-31 23:59:59.000010')
 microsecond('12:00:00.123456')	microsecond('2009-12-31 23:59:59.000010')
 123456	10
 select now(258);
-ERROR 42000: Too big precision 258 specified for 'current_timestamp'. Maximum is 6
+ERROR 42000: Too big precision specified for 'current_timestamp'. Maximum is 6
 SELECT 1 FROM DUAL WHERE YEAR(TIMEDIFF(NULL, '12:12:12'));
 1
 SELECT 1 FROM DUAL WHERE MONTH(TIMEDIFF(NULL, '12:12:12'));

mysql-test/main/func_time_hires.result

@@ -24,9 +24,9 @@ select time_to_sec(sec_to_time(11111)), time_to_sec(sec_to_time(11111.22222));
 time_to_sec(sec_to_time(11111))	11111
 time_to_sec(sec_to_time(11111.22222))	11111.22222
 select current_timestamp(7);
-ERROR 42000: Too big precision 7 specified for 'current_timestamp'. Maximum is 6
+ERROR 42000: Too big precision specified for 'current_timestamp'. Maximum is 6
 select curtime(7);
-ERROR 42000: Too big precision 7 specified for 'curtime'. Maximum is 6
+ERROR 42000: Too big precision specified for 'curtime'. Maximum is 6
 drop table if exists t1;
 create table t1 select sec_to_time(12345), sec_to_time(12345.6789),
 sec_to_time(1234567e-2), now(), curtime(0),
@@ -161,7 +161,7 @@ select cast(cast(@a as time(2)) as time(6));
 cast(cast(@a as time(2)) as time(6))
 12:13:14.120000
 select CAST(@a AS DATETIME(7));
-ERROR 42000: Too big precision 7 specified for '@`a`'. Maximum is 6
+ERROR 42000: Too big precision specified for '@`a`'. Maximum is 6
 SELECT CONVERT_TZ('2011-01-02 12:00:00', '+00:00', '+03:00');
 CONVERT_TZ('2011-01-02 12:00:00', '+00:00', '+03:00')
 2011-01-02 15:00:00

mysql-test/main/type_blob.result

@@ -908,6 +908,8 @@ a
 2042
 DROP TABLE b15776;
 CREATE TABLE b15776 (a year(4294967296));
+Warnings:
+Note	1287	'YEAR(4294967295)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
 SHOW CREATE TABLE b15776;
 Table	Create Table
 b15776	CREATE TABLE `b15776` (
@@ -921,11 +923,11 @@ DROP TABLE b15776;
 CREATE TABLE b15776 (a year(-2));
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-2))' at line 1
 CREATE TABLE b15776 (a timestamp(4294967294));
-ERROR 42000: Too big precision 4294967294 specified for 'a'. Maximum is 6
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
 CREATE TABLE b15776 (a timestamp(4294967295));
-ERROR 42000: Too big precision 4294967295 specified for 'a'. Maximum is 6
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
 CREATE TABLE b15776 (a timestamp(4294967296));
-ERROR 42000: Too big precision 4294967296 specified for 'a'. Maximum is 6
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
 CREATE TABLE b15776 (a timestamp(-1));
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1))' at line 1
 CREATE TABLE b15776 (a timestamp(-2));
@@ -935,6 +937,8 @@ ERROR 42000: Display width out of range for 'a' (max = 255)
 CREATE TABLE b15776 (a char(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
 ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
 CREATE TABLE b15776 (a year(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
+Warnings:
+Note	1287	'YEAR(4294967295)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
 SHOW CREATE TABLE b15776;
 Table	Create Table
 b15776	CREATE TABLE `b15776` (

mysql-test/main/type_blob.test

@@ -532,7 +532,9 @@ CREATE TABLE b15776 (a year(4294967295));
 INSERT INTO b15776 VALUES (42);
 SELECT * FROM b15776;
 DROP TABLE b15776;
+--enable_prepare_warnings
 CREATE TABLE b15776 (a year(4294967296));
+--disable_prepare_warnings
 SHOW CREATE TABLE b15776;
 DROP TABLE b15776;
 --enable_prepare_warnings
@@ -560,7 +562,9 @@ CREATE TABLE b15776 (a timestamp(-2));
 CREATE TABLE b15776 (a int(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
 --error ER_TOO_BIG_FIELDLENGTH
 CREATE TABLE b15776 (a char(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
+--enable_prepare_warnings
 CREATE TABLE b15776 (a year(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
+--disable_prepare_warnings
 SHOW CREATE TABLE b15776;
 DROP TABLE b15776;
 

mysql-test/main/type_datetime_hires.result

@@ -1,7 +1,7 @@
 SET timestamp=UNIX_TIMESTAMP('2001-02-03 10:20:30');
 drop table if exists t1, t2, t3;
 create table t1 (a datetime(7));
-ERROR 42000: Too big precision 7 specified for 'a'. Maximum is 6
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
 create table t1 (a datetime(3), key(a));
 insert t1 values ('2010-12-11 00:20:03.1234');
 insert t1 values ('2010-12-11 15:47:11.1234');

mysql-test/main/type_decimal.result

@@ -721,7 +721,7 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 create table t1 (d decimal(66,0));
-ERROR 42000: Too big precision 66 specified for 'd'. Maximum is 65
+ERROR 42000: Too big precision specified for 'd'. Maximum is 65
 CREATE TABLE t1 (i INT, d1 DECIMAL(9,2), d2 DECIMAL(9,2));
 INSERT INTO t1 VALUES (1, 101.40, 21.40), (1, -80.00, 0.00),
 (2, 0.00, 0.00), (2, -13.20, 0.00), (2, 59.60, 46.40),

mysql-test/main/type_float.result

@@ -133,7 +133,7 @@ min(a)
 -0.010
 drop table t1;
 create table t1 (a float(200,100), b double(200,100));
-ERROR 42000: Too big scale 100 specified for 'a'. Maximum is 30
+ERROR 42000: Too big scale specified for 'a'. Maximum is 30
 create table t1 (c20 char);
 insert ignore into t1 values (5000.0);
 Warnings:
@@ -788,7 +788,7 @@ DROP TABLE t1,t2;
 #
 create or replace table t1 (a double(40,30));
 create or replace table t1 (a double(40,31));
-ERROR 42000: Too big scale 31 specified for 'a'. Maximum is 30
+ERROR 42000: Too big scale specified for 'a'. Maximum is 30
 create or replace table t1 as select 1.01e1;
 show create table t1;
 Table	Create Table
@@ -1162,3 +1162,36 @@ fdec	123.456.789,12345678900000000000000000000000000000
 #
 # End of 10.4 tests
 #
+#
+# Start of 10.9 tests
+#
+#
+# MDEV-27712 Reduce the size of Lex_length_and_dec_st from 16 to 8
+#
+CREATE TABLE t1 (a DOUBLE(1000,1000));
+ERROR 42000: Too big scale specified for 'a'. Maximum is 30
+CREATE TABLE t1 (a DOUBLE(1000,0));
+ERROR 42000: Display width out of range for 'a' (max = 255)
+CREATE TABLE t1 (a DOUBLE(0,1000));
+ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'a')
+CREATE TABLE t1 (a DOUBLE(2147483647,2147483647));
+ERROR 42000: Too big scale specified for 'a'. Maximum is 30
+CREATE TABLE t1 (a DOUBLE(2147483647,0));
+ERROR 42000: Display width out of range for 'a' (max = 255)
+CREATE TABLE t1 (a DOUBLE(0,2147483647));
+ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'a')
+CREATE TABLE t1 (a DOUBLE(2147483648,2147483648));
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '2147483648,2147483648))' at line 1
+CREATE TABLE t1 (a DOUBLE(2147483648,0));
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '2147483648,0))' at line 1
+CREATE TABLE t1 (a DOUBLE(0,2147483648));
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '2147483648))' at line 1
+CREATE TABLE t1 (a DOUBLE(999999999999999999999999999999,999999999999999999999999999999));
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '999999999999999999999999999999,999999999999999999999999999999))' at line 1
+CREATE TABLE t1 (a DOUBLE(999999999999999999999999999999,0));
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '999999999999999999999999999999,0))' at line 1
+CREATE TABLE t1 (a DOUBLE(0,999999999999999999999999999999));
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '999999999999999999999999999999))' at line 1
+#
+# End of 10.9 tests
+#

mysql-test/main/type_float.test

@@ -703,3 +703,44 @@ DELIMITER ;$$
 --echo #
 --echo # End of 10.4 tests
 --echo #
+
+
+--echo #
+--echo # Start of 10.9 tests
+--echo #
+
+--echo #
+--echo # MDEV-27712 Reduce the size of Lex_length_and_dec_st from 16 to 8
+--echo #
+
+--error ER_TOO_BIG_SCALE
+CREATE TABLE t1 (a DOUBLE(1000,1000));
+--error ER_TOO_BIG_DISPLAYWIDTH
+CREATE TABLE t1 (a DOUBLE(1000,0));
+--error ER_M_BIGGER_THAN_D
+CREATE TABLE t1 (a DOUBLE(0,1000));
+
+--error ER_TOO_BIG_SCALE
+CREATE TABLE t1 (a DOUBLE(2147483647,2147483647));
+--error ER_TOO_BIG_DISPLAYWIDTH
+CREATE TABLE t1 (a DOUBLE(2147483647,0));
+--error ER_M_BIGGER_THAN_D
+CREATE TABLE t1 (a DOUBLE(0,2147483647));
+
+--error ER_PARSE_ERROR
+CREATE TABLE t1 (a DOUBLE(2147483648,2147483648));
+--error ER_PARSE_ERROR
+CREATE TABLE t1 (a DOUBLE(2147483648,0));
+--error ER_PARSE_ERROR
+CREATE TABLE t1 (a DOUBLE(0,2147483648));
+
+--error ER_PARSE_ERROR
+CREATE TABLE t1 (a DOUBLE(999999999999999999999999999999,999999999999999999999999999999));
+--error ER_PARSE_ERROR
+CREATE TABLE t1 (a DOUBLE(999999999999999999999999999999,0));
+--error ER_PARSE_ERROR
+CREATE TABLE t1 (a DOUBLE(0,999999999999999999999999999999));
+
+--echo #
+--echo # End of 10.9 tests
+--echo #

mysql-test/main/type_newdecimal.result

@@ -923,13 +923,13 @@ ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column
 select cast(ln(14000) as decimal(2,3)) c1;
 ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '')
 create table t1 (sl decimal(70,30));
-ERROR 42000: Too big precision 70 specified for 'sl'. Maximum is 65
+ERROR 42000: Too big precision specified for 'sl'. Maximum is 65
 create table t1 (sl decimal(32,39));
-ERROR 42000: Too big scale 39 specified for 'sl'. Maximum is 38
+ERROR 42000: Too big scale specified for 'sl'. Maximum is 38
 create table t1 (sl decimal(67,38));
-ERROR 42000: Too big precision 67 specified for 'sl'. Maximum is 65
+ERROR 42000: Too big precision specified for 'sl'. Maximum is 65
 create table t1 (sl decimal(0,50));
-ERROR 42000: Too big scale 50 specified for 'sl'. Maximum is 38
+ERROR 42000: Too big scale specified for 'sl'. Maximum is 38
 create table t1 (sl decimal(0,30));
 ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'sl')
 create table t1 (sl decimal(5, 5));
@@ -1482,12 +1482,12 @@ SELECT CAST(1 AS decimal(65,10));
 CAST(1 AS decimal(65,10))
 1.0000000000
 SELECT CAST(1 AS decimal(66,10));
-ERROR 42000: Too big precision 66 specified for '1'. Maximum is 65
+ERROR 42000: Too big precision specified for '1'. Maximum is 65
 SELECT CAST(1 AS decimal(65,38));
 CAST(1 AS decimal(65,38))
 1.00000000000000000000000000000000000000
 SELECT CAST(1 AS decimal(65,39));
-ERROR 42000: Too big scale 39 specified for '1'. Maximum is 38
+ERROR 42000: Too big scale specified for '1'. Maximum is 38
 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;
@@ -1496,7 +1496,7 @@ aa	SUM(b)
 3.000000000000000000000000000000	10
 4.000000000000000000000000000000	30
 SELECT a+CAST(1 AS decimal(65,49)) AS aa, SUM(b) FROM t1 GROUP BY aa;
-ERROR 42000: Too big scale 49 specified for '1'. Maximum is 38
+ERROR 42000: Too big scale specified for '1'. Maximum is 38
 DROP TABLE t1;
 CREATE TABLE t1 (a int DEFAULT NULL, b int DEFAULT NULL);
 INSERT INTO t1 VALUES (3,30), (1,10), (2,10);

mysql-test/main/type_time_hires.result

@@ -1,7 +1,7 @@
 SET timestamp=UNIX_TIMESTAMP('2001-02-03 10:20:30');
 drop table if exists t1, t2, t3;
 create table t1 (a time(7));
-ERROR 42000: Too big precision 7 specified for 'a'. Maximum is 6
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
 create table t1 (a time(3), key(a));
 insert t1 values ('2010-12-11 00:20:03.1234');
 Warnings:
@@ -907,3 +907,24 @@ a	CEILING(a)	CEILING_SP(a)	CEILING(a)=CEILING_SP(a)
 DROP FUNCTION FLOOR_SP;
 DROP FUNCTION CEILING_SP;
 DROP TABLE t1;
+#
+# Start of 10.9 tests
+#
+#
+# MDEV-27712 Reduce the size of Lex_length_and_dec_st from 16 to 8
+#
+CREATE TABLE t1 (a TIME(4294967295));
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
+CREATE TABLE t1 (a TIME(4294967296));
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
+CREATE TABLE t1 (a TIME(999999999999999999999999999999));
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
+SELECT CAST(1 AS TIME(4294967295));
+ERROR 42000: Too big precision specified for '1'. Maximum is 6
+SELECT CAST(1 AS TIME(4294967296));
+ERROR 42000: Too big precision specified for '1'. Maximum is 6
+SELECT CAST(1 AS TIME(999999999999999999999999999999));
+ERROR 42000: Too big precision specified for '1'. Maximum is 6
+#
+# Start of 10.9 tests
+#

mysql-test/main/type_time_hires.test

@@ -196,3 +196,30 @@ DROP FUNCTION FLOOR_SP;
 DROP FUNCTION CEILING_SP;
 
 DROP TABLE t1;
+
+
+--echo #
+--echo # Start of 10.9 tests
+--echo #
+
+--echo #
+--echo # MDEV-27712 Reduce the size of Lex_length_and_dec_st from 16 to 8
+--echo #
+
+--error ER_TOO_BIG_PRECISION
+CREATE TABLE t1 (a TIME(4294967295));
+--error ER_TOO_BIG_PRECISION
+CREATE TABLE t1 (a TIME(4294967296));
+--error ER_TOO_BIG_PRECISION
+CREATE TABLE t1 (a TIME(999999999999999999999999999999));
+
+--error ER_TOO_BIG_PRECISION
+SELECT CAST(1 AS TIME(4294967295));
+--error ER_TOO_BIG_PRECISION
+SELECT CAST(1 AS TIME(4294967296));
+--error ER_TOO_BIG_PRECISION
+SELECT CAST(1 AS TIME(999999999999999999999999999999));
+
+--echo #
+--echo # Start of 10.9 tests
+--echo #

mysql-test/main/type_timestamp_hires.result

@@ -1,7 +1,7 @@
 SET timestamp=UNIX_TIMESTAMP('2001-02-03 10:20:30');
 drop table if exists t1, t2, t3;
 create table t1 (a timestamp(7));
-ERROR 42000: Too big precision 7 specified for 'a'. Maximum is 6
+ERROR 42000: Too big precision specified for 'a'. Maximum is 6
 create table t1 (a timestamp(3), key(a));
 insert t1 values ('2010-12-11 00:20:03.1234');
 insert t1 values ('2010-12-11 15:47:11.1234');

mysql-test/main/win.result

@@ -3925,7 +3925,7 @@ DROP TABLE t1;
 # MDEV-18916: crash in Window_spec::print_partition() with decimals
 #
 SELECT cast((rank() over w1) as decimal (53,56));
-ERROR 42000: Too big scale 56 specified for 'rank() over w1'. Maximum is 38
+ERROR 42000: Too big scale specified for 'rank() over w1'. Maximum is 38
 SELECT cast((rank() over w1) as decimal (53,30));
 ERROR HY000: Window specification with name 'w1' is not defined
 #

mysql-test/suite/encryption/r/tempfiles_encrypted.result

@@ -3931,7 +3931,7 @@ DROP TABLE t1;
 # MDEV-18916: crash in Window_spec::print_partition() with decimals
 #
 SELECT cast((rank() over w1) as decimal (53,56));
-ERROR 42000: Too big scale 56 specified for 'rank() over w1'. Maximum is 38
+ERROR 42000: Too big scale specified for 'rank() over w1'. Maximum is 38
 SELECT cast((rank() over w1) as decimal (53,30));
 ERROR HY000: Window specification with name 'w1' is not defined
 #

mysql-test/suite/engines/iuds/r/insert_decimal.result

@@ -1010,7 +1010,7 @@ ROUND(c1,c2)	TRUNCATE(c1,c2)
 1.133000	1.132000
 DROP TABLE t5;
 CREATE TABLE t7(c1 DECIMAL(66,0));
-ERROR 42000: Too big precision 66 specified for 'c1'. Maximum is 65
+ERROR 42000: Too big precision specified for 'c1'. Maximum is 65
 CREATE TABLE t7(c1 DECIMAL(5,10));
 ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'c1')
 DROP TABLE t1,t2;

mysql-test/suite/funcs_1/r/storedproc.result

@@ -143,7 +143,7 @@ BEGIN
 SET @v1 = f1;
 SELECT @v1;
 END//
-ERROR 42000: Too big precision 256 specified for 'f1'. Maximum is 65
+ERROR 42000: Too big precision specified for 'f1'. Maximum is 65
 DROP PROCEDURE IF EXISTS sp1//
 Warnings:
 Note	1305	PROCEDURE db_storedproc.sp1 does not exist
@@ -153,7 +153,7 @@ BEGIN
 SET @v1 = f1;
 SELECT @v1;
 END//
-ERROR 42000: Too big precision 66 specified for 'f1'. Maximum is 65
+ERROR 42000: Too big precision specified for 'f1'. Maximum is 65
 DROP PROCEDURE IF EXISTS sp1//
 Warnings:
 Note	1305	PROCEDURE db_storedproc.sp1 does not exist
@@ -1549,7 +1549,7 @@ BEGIN
 SET f1 = 1000000 + f1;
 RETURN f1;
 END//
-ERROR 42000: Too big scale 61 specified for 'f1'. Maximum is 38
+ERROR 42000: Too big scale specified for 'f1'. Maximum is 38
 SELECT fn1( 1.3326e+8 );
 ERROR 42000: FUNCTION db_storedproc.fn1 does not exist
 CREATE FUNCTION fn1( f1 DECIMAL(63, 30) ) RETURNS DECIMAL(63, 30)
@@ -5837,7 +5837,7 @@ fetch cur1 into e;
 SELECT x, y, z, a, b, c, d, e;
 close cur1;
 END//
-ERROR 42000: Too big scale 255 specified for 'b'. Maximum is 38
+ERROR 42000: Too big scale specified for 'b'. Maximum is 38
 CALL sp6();
 ERROR 42000: PROCEDURE db_storedproc.sp6 does not exist
 DROP PROCEDURE IF EXISTS sp6;

sql/field.cc

@@ -10428,16 +10428,12 @@ void
 Column_definition_attributes::set_length_and_dec(const Lex_length_and_dec_st
                                                  &type)
 {
-  if (type.length())
+  if (type.has_explicit_length())
-  {
+    length= type.length_overflowed() ? (ulonglong) UINT_MAX32 + 1 :
-    int err;
+                                       (ulonglong) type.length();
-    length= my_strtoll10(type.length(), NULL, &err);
-    if (err)
-      length= ~0ULL; // safety
-  }
 
-  if (type.dec())
+  if (type.has_explicit_dec())
-    decimals= (uint) atoi(type.dec());
+    decimals= type.dec();
 }
 
 
@@ -10536,7 +10532,7 @@ bool Column_definition::fix_attributes_real(uint default_length)
   }
   if (decimals != NOT_FIXED_DEC && decimals >= FLOATING_POINT_DECIMALS)
   {
-    my_error(ER_TOO_BIG_SCALE, MYF(0), static_cast<ulonglong>(decimals),
+    my_error(ER_TOO_BIG_SCALE, MYF(0),
              field_name.str, static_cast<uint>(FLOATING_POINT_DECIMALS-1));
     return true;
   }
@@ -10548,14 +10544,14 @@ bool Column_definition::fix_attributes_decimal()
 {
   if (decimals >= NOT_FIXED_DEC)
   {
-    my_error(ER_TOO_BIG_SCALE, MYF(0), static_cast<ulonglong>(decimals),
+    my_error(ER_TOO_BIG_SCALE, MYF(0),
              field_name.str, static_cast<uint>(NOT_FIXED_DEC - 1));
     return true;
   }
   my_decimal_trim(&length, &decimals);
   if (length > DECIMAL_MAX_PRECISION)
   {
-    my_error(ER_TOO_BIG_PRECISION, MYF(0), length, field_name.str,
+    my_error(ER_TOO_BIG_PRECISION, MYF(0), field_name.str,
              DECIMAL_MAX_PRECISION);
     return true;
   }
@@ -10584,7 +10580,7 @@ bool Column_definition::fix_attributes_temporal_with_time(uint int_part_length)
 {
   if (length > MAX_DATETIME_PRECISION)
   {
-    my_error(ER_TOO_BIG_PRECISION, MYF(0), length, field_name.str,
+    my_error(ER_TOO_BIG_PRECISION, MYF(0), field_name.str,
              MAX_DATETIME_PRECISION);
     return true;
   }

sql/item_create.cc

@@ -5995,7 +5995,7 @@ Item *create_func_dyncol_delete(THD *thd, Item *str, List<Item> &nums)
 
 Item *create_func_dyncol_get(THD *thd,  Item *str, Item *num,
                              const Type_handler *handler,
-                             const char *c_len, const char *c_dec,
+                             const Lex_length_and_dec_st &length_dec,
                              CHARSET_INFO *cs)
 {
   Item *res;
@@ -6003,5 +6003,5 @@ Item *create_func_dyncol_get(THD *thd,  Item *str, Item *num,
   if (likely(!(res= new (thd->mem_root) Item_dyncol_get(thd, str, num))))
     return res;                                 // Return NULL
   return handler->create_typecast_item(thd, res,
-                                       Type_cast_attributes(c_len, c_dec, cs));
+                                       Type_cast_attributes(length_dec, cs));
 }

sql/item_create.h

@@ -313,7 +313,7 @@ Item *create_func_dyncol_add(THD *thd, Item *str,
 Item *create_func_dyncol_delete(THD *thd, Item *str, List<Item> &nums);
 Item *create_func_dyncol_get(THD *thd, Item *num, Item *str,
                              const Type_handler *handler,
-                             const char *c_len, const char *c_dec,
+                             const Lex_length_and_dec_st &length_and_dec,
                              CHARSET_INFO *cs);
 Item *create_func_dyncol_json(THD *thd, Item *str);
 

sql/item_func.h

@@ -3762,31 +3762,22 @@ struct Lex_cast_type_st: public Lex_length_and_dec_st
 private:
   const Type_handler *m_type_handler;
 public:
-  void set(const Type_handler *handler, const char *length, const char *dec)
-  {
-    m_type_handler= handler;
-    Lex_length_and_dec_st::set(length, dec);
-  }
   void set(const Type_handler *handler, Lex_length_and_dec_st length_and_dec)
   {
     m_type_handler= handler;
     Lex_length_and_dec_st::operator=(length_and_dec);
   }
-  void set(const Type_handler *handler, const char *length)
-  {
-    set(handler, length, 0);
-  }
   void set(const Type_handler *handler)
   {
-    set(handler, 0, 0);
+    m_type_handler= handler;
+    Lex_length_and_dec_st::reset();
   }
   const Type_handler *type_handler() const { return m_type_handler; }
   Item *create_typecast_item(THD *thd, Item *item,
                              CHARSET_INFO *cs= NULL) const
   {
     return m_type_handler->
-      create_typecast_item(thd, item,
+      create_typecast_item(thd, item, Type_cast_attributes(*this, cs));
-                           Type_cast_attributes(length(), dec(), cs));
   }
   Item *create_typecast_item_or_error(THD *thd, Item *item,
                                       CHARSET_INFO *cs= NULL) const;

sql/item_timefunc.cc

@@ -1551,7 +1551,7 @@ bool Item_func_curtime::fix_fields(THD *thd, Item **items)
 {
   if (decimals > TIME_SECOND_PART_DIGITS)
   {
-    my_error(ER_TOO_BIG_PRECISION, MYF(0), static_cast<ulonglong>(decimals),
+    my_error(ER_TOO_BIG_PRECISION, MYF(0),
              func_name(), TIME_SECOND_PART_DIGITS);
     return 1;
   }
@@ -1627,7 +1627,7 @@ bool Item_func_now::fix_fields(THD *thd, Item **items)
 {
   if (decimals > TIME_SECOND_PART_DIGITS)
   {
-    my_error(ER_TOO_BIG_PRECISION, MYF(0), static_cast<ulonglong>(decimals),
+    my_error(ER_TOO_BIG_PRECISION, MYF(0),
              func_name(), TIME_SECOND_PART_DIGITS);
     return 1;
   }

sql/share/errmsg-utf8.txt

@@ -5771,13 +5771,13 @@ ER_SP_NO_RECURSION
         ger "Rekursive gespeicherte Routinen und Triggers sind nicht erlaubt"
         spa "No autorizadas funciones almacenadas recursivas ni disparadores"
 ER_TOO_BIG_SCALE 42000 S1009
-        eng "Too big scale %llu specified for '%-.192s'. Maximum is %u"
+        eng "Too big scale specified for '%-.192s'. Maximum is %u"
-        ger "Zu großer Skalierungsfaktor %llu für '%-.192s' angegeben. Maximum ist %u"
+        ger "Zu großer Skalierungsfaktor für '%-.192s' angegeben. Maximum ist %u"
-        spa "Escala %llu demasiado grande especificada para '%-.192s'. El máximo es de %u"
+        spa "Escala demasiado grande especificada para '%-.192s'. El máximo es de %u"
 ER_TOO_BIG_PRECISION 42000 S1009
-        eng "Too big precision %llu specified for '%-.192s'. Maximum is %u"
+        eng "Too big precision specified for '%-.192s'. Maximum is %u"
-        ger "Zu große Genauigkeit %llu für '%-.192s' angegeben. Maximum ist %u"
+        ger "Zu große Genauigkeit für '%-.192s' angegeben. Maximum ist %u"
-        spa "Precisión %llu demasiado grande especificada para '%-.192s'. El máximo es de %u"
+        spa "Precisión demasiado grande especificada para '%-.192s'. El máximo es de %u"
 ER_M_BIGGER_THAN_D 42000 S1009
         eng "For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '%-.192s')"
         ger "Für FLOAT(M,D), DOUBLE(M,D) oder DECIMAL(M,D) muss M >= D sein (Feld '%-.192s')"

sql/sql_lex.cc

@@ -11488,14 +11488,42 @@ Lex_cast_type_st::create_typecast_item_or_error(THD *thd, Item *item,
 }
 
 
-void Lex_field_type_st::set_handler_length_flags(const Type_handler *handler,
+void
-                                                 const char *length,
+Lex_length_and_dec_st::set(const char *plength, const char *pdec)
-                                                 uint32 flags)
+{
+  reset();
+
+  if ((m_has_explicit_length= (plength != nullptr)))
+  {
+    int err;
+    ulonglong tmp= my_strtoll10(plength, NULL, &err);
+    if ((m_length_overflowed= (tmp > UINT_MAX32 || err)))
+      m_length= UINT_MAX32;
+    else
+      m_length= (uint32) tmp;
+  }
+
+  if ((m_has_explicit_dec= (pdec != nullptr)))
+  {
+    int err;
+    ulonglong tmp= my_strtoll10(pdec, NULL, &err);
+    if ((m_dec_overflowed= (tmp > 255 || err)))
+      m_dec= 255;
+    else
+      m_dec= (uint8) tmp;
+  }
+}
+
+
+void
+Lex_field_type_st::set_handler_length_flags(const Type_handler *handler,
+                                            const Lex_length_and_dec_st &attr,
+                                            uint32 flags)
 {
   DBUG_ASSERT(!handler->is_unsigned());
+  set(handler, attr);
   if (flags & UNSIGNED_FLAG)
-    handler= handler->type_handler_unsigned();
+    m_handler= m_handler->type_handler_unsigned();
-  set(handler, length, NULL);
 }
 
 

sql/sql_type.cc

@@ -2751,7 +2751,7 @@ Type_handler_string::Column_definition_set_attributes(
                                                  const
 {
   Type_handler::Column_definition_set_attributes(thd, def, attr, cs, type);
-  if (attr.length())
+  if (attr.has_explicit_length())
     return false;
   switch (type) {
   case COLUMN_DEFINITION_ROUTINE_PARAM:
@@ -2783,7 +2783,7 @@ Type_handler_varchar::Column_definition_set_attributes(
                                                  const
 {
   Type_handler::Column_definition_set_attributes(thd, def, attr, cs, type);
-  if (attr.length())
+  if (attr.has_explicit_length())
     return false;
   switch (type) {
   case COLUMN_DEFINITION_ROUTINE_PARAM:
@@ -7698,11 +7698,10 @@ static const char* item_name(Item *a, String *str)
 }
 
 
-static void wrong_precision_error(uint errcode, Item *a,
+static void wrong_precision_error(uint errcode, Item *a, uint maximum)
-                                  ulonglong number, uint maximum)
 {
   StringBuffer<1024> buf(system_charset_info);
-  my_error(errcode, MYF(0), number, item_name(a, &buf), maximum);
+  my_error(errcode, MYF(0), item_name(a, &buf), maximum);
 }
 
 
@@ -7721,12 +7720,12 @@ bool get_length_and_scale(ulonglong length, ulonglong decimals,
 {
   if (length > (ulonglong) max_precision)
   {
-    wrong_precision_error(ER_TOO_BIG_PRECISION, a, length, max_precision);
+    wrong_precision_error(ER_TOO_BIG_PRECISION, a, max_precision);
     return 1;
   }
   if (decimals > (ulonglong) max_scale)
   {
-    wrong_precision_error(ER_TOO_BIG_SCALE, a, decimals, max_scale);
+    wrong_precision_error(ER_TOO_BIG_SCALE, a, max_scale);
     return 1;
   }
 
@@ -7769,8 +7768,7 @@ Item *Type_handler_time_common::
 {
   if (attr.decimals() > MAX_DATETIME_PRECISION)
   {
-    wrong_precision_error(ER_TOO_BIG_PRECISION, item, attr.decimals(),
+    wrong_precision_error(ER_TOO_BIG_PRECISION, item, MAX_DATETIME_PRECISION);
-                          MAX_DATETIME_PRECISION);
     return 0;
   }
   return new (thd->mem_root)
@@ -7784,8 +7782,7 @@ Item *Type_handler_datetime_common::
 {
   if (attr.decimals() > MAX_DATETIME_PRECISION)
   {
-    wrong_precision_error(ER_TOO_BIG_PRECISION, item, attr.decimals(),
+    wrong_precision_error(ER_TOO_BIG_PRECISION, item, MAX_DATETIME_PRECISION);
-                          MAX_DATETIME_PRECISION);
     return 0;
   }
   return new (thd->mem_root)
@@ -7863,8 +7860,7 @@ Item *Type_handler_interval_DDhhmmssff::
 {
   if (attr.decimals() > MAX_DATETIME_PRECISION)
   {
-    wrong_precision_error(ER_TOO_BIG_PRECISION, item, attr.decimals(),
+    wrong_precision_error(ER_TOO_BIG_PRECISION, item, MAX_DATETIME_PRECISION);
-                          MAX_DATETIME_PRECISION);
     return 0;
   }
   return new (thd->mem_root) Item_interval_DDhhmmssff_typecast(thd, item,

sql/sql_type.h

@@ -3336,28 +3336,21 @@ class Type_cast_attributes
   bool m_length_specified;
   bool m_decimals_specified;
 public:
-  Type_cast_attributes(const char *c_len, const char *c_dec, CHARSET_INFO *cs)
+  Type_cast_attributes(const Lex_length_and_dec_st &length_and_dec,
+                       CHARSET_INFO *cs)
     :m_charset(cs), m_length(0), m_decimals(0),
      m_length_specified(false), m_decimals_specified(false)
   {
-    set_length_and_dec(c_len, c_dec);
+    m_length= length_and_dec.length_overflowed() ? (ulonglong) UINT_MAX32 + 1 :
+                                                   length_and_dec.length();
+    m_decimals= length_and_dec.dec();
+    m_length_specified= length_and_dec.has_explicit_length();
+    m_decimals_specified= length_and_dec.has_explicit_dec();
   }
   Type_cast_attributes(CHARSET_INFO *cs)
     :m_charset(cs), m_length(0), m_decimals(0),
      m_length_specified(false), m_decimals_specified(false)
   { }
-  void set_length_and_dec(const char *c_len, const char *c_dec)
-  {
-    int error;
-    /*
-      We don't have to check for error here as sql_yacc.yy has guaranteed
-      that the values are in range of ulonglong
-    */
-    if ((m_length_specified= (c_len != NULL)))
-      m_length= (ulonglong) my_strtoll10(c_len, NULL, &error);
-    if ((m_decimals_specified= (c_dec != NULL)))
-      m_decimals= (ulonglong) my_strtoll10(c_dec, NULL, &error);
-  }
   CHARSET_INFO *charset() const { return m_charset; }
   bool length_specified() const { return m_length_specified; }
   bool decimals_specified() const { return m_decimals_specified; }

sql/sql_yacc.yy

@@ -1365,7 +1365,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
         wild_and_where
 
 %type <const_simple_string>
-        field_length opt_field_length
+        field_length_str
         opt_compression_method
 
 %type <string>
@@ -1565,6 +1565,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 %type <Lex_cast_type> cast_type cast_type_numeric cast_type_temporal
 
 %type <Lex_length_and_dec> precision opt_precision float_options
+                           field_length opt_field_length
+                           field_scale opt_field_scale
 
 %type <lex_user> user grant_user grant_role user_or_role current_role
                  admin_option_for_role user_maybe_role
@@ -5975,14 +5977,12 @@ field_type_numeric:
         | FLOAT_SYM float_options last_field_options
           {
             $$.set(&type_handler_float, $2);
-            if ($2.length() && !$2.dec())
+            if ($2.has_explicit_length() && !$2.has_explicit_dec())
             {
-              int err;
+              if (unlikely($2.length() > PRECISION_FOR_DOUBLE))
-              ulonglong tmp_length= my_strtoll10($2.length(), NULL, &err);
-              if (unlikely(err || tmp_length > PRECISION_FOR_DOUBLE))
                 my_yyabort_error((ER_WRONG_FIELD_SPEC, MYF(0),
                                   Lex->last_field->field_name.str));
-              if (tmp_length > PRECISION_FOR_FLOAT)
+              if ($2.length() > PRECISION_FOR_FLOAT)
                 $$.set(&type_handler_double);
               else
                 $$.set(&type_handler_float);
@@ -5994,17 +5994,17 @@ field_type_numeric:
           }
         | BOOL_SYM
           {
-            $$.set(&type_handler_stiny, "1");
+            $$.set_handler_length(&type_handler_stiny, 1);
           }
         | BOOLEAN_SYM
           {
-            $$.set(&type_handler_stiny, "1");
+            $$.set_handler_length(&type_handler_stiny, 1);
           }
         | DECIMAL_SYM float_options last_field_options
           { $$.set(&type_handler_newdecimal, $2);}
         | NUMBER_ORACLE_SYM float_options last_field_options
           {
-            if ($2.length() != 0)
+            if ($2.has_explicit_length())
               $$.set(&type_handler_newdecimal, $2);
             else
               $$.set(&type_handler_double);
@@ -6066,14 +6066,12 @@ field_type_string:
 field_type_temporal:
           YEAR_SYM opt_field_length last_field_options
           {
-            if ($2)
+            if ($2.has_explicit_length())
             {
-              errno= 0;
+              if ($2.length() != 4)
-              ulong length= strtoul($2, NULL, 10);
-              if (errno == 0 && length <= MAX_FIELD_BLOBLENGTH && length != 4)
               {
                 char buff[sizeof("YEAR()") + MY_INT64_NUM_DECIMAL_DIGITS + 1];
-                my_snprintf(buff, sizeof(buff), "YEAR(%lu)", length);
+                my_snprintf(buff, sizeof(buff), "YEAR(%u)", (uint) $2.length());
                 push_warning_printf(thd, Sql_condition::WARN_LEVEL_NOTE,
                                     ER_WARN_DEPRECATED_SYNTAX,
                                     ER_THD(thd, ER_WARN_DEPRECATED_SYNTAX),
@@ -6220,9 +6218,9 @@ srid_option:
         ;
 
 float_options:
-          /* empty */  { $$.set(0, 0);  }
+          /* empty */  { $$.reset();  }
-        | field_length { $$.set($1, 0); }
+        | field_length
-        | precision    { $$= $1; }
+        | precision
         ;
 
 precision:
@@ -6242,20 +6240,33 @@ last_field_options:
           field_options { Lex->last_field->flags|= ($$= $1); }
         ;
 
-field_length:
+field_length_str:
           '(' LONG_NUM ')'      { $$= $2.str; }
         | '(' ULONGLONG_NUM ')' { $$= $2.str; }
         | '(' DECIMAL_NUM ')'   { $$= $2.str; }
         | '(' NUM ')'           { $$= $2.str; }
         ;
 
+field_length: field_length_str  { $$.set($1, NULL); }
+        ;
+
+
+field_scale: field_length_str   { $$.set(NULL, $1); }
+        ;
+
+
 opt_field_length:
-          /* empty */  { $$= (char*) 0; /* use default length */ }
+          /* empty */  { $$.reset(); /* use default length */ }
-        | field_length { $$= $1; }
+        | field_length
+        ;
+
+opt_field_scale:
+          /* empty */ { $$.reset(); }
+        | field_scale
         ;
 
 opt_precision:
-          /* empty */    { $$.set(0, 0); }
+          /* empty */    { $$.reset(); }
         | precision      { $$= $1; }
         ;
 
@@ -9418,8 +9429,8 @@ numeric_dyncol_type:
 
 temporal_dyncol_type:
           DATE_SYM                        { $$.set(DYN_COL_DATE); }
-        | TIME_SYM opt_field_length       { $$.set(DYN_COL_TIME, 0, $2); }
+        | TIME_SYM opt_field_scale        { $$.set(DYN_COL_TIME, $2); }
-        | DATETIME opt_field_length       { $$.set(DYN_COL_DATETIME, 0, $2); }
+        | DATETIME opt_field_scale        { $$.set(DYN_COL_DATETIME, $2); }
         ;
 
 string_dyncol_type:
@@ -9448,12 +9459,12 @@ dyncall_create_element:
      $$->value= $3;
      $$->type= (DYNAMIC_COLUMN_TYPE)$4.dyncol_type();
      $$->cs= lex->charset;
-     if ($4.length())
+     if ($4.has_explicit_length())
-       $$->len= strtoul($4.length(), NULL, 10);
+       $$->len= $4.length();
      else
        $$->len= 0;
-     if ($4.dec())
+     if ($4.has_explicit_dec())
-       $$->frac= strtoul($4.dec(), NULL, 10);
+       $$->frac= $4.dec();
      else
        $$->len= 0;
    }
@@ -10142,8 +10153,7 @@ function_call_nonkeyword:
           {
             LEX *lex= Lex;
             $$= create_func_dyncol_get(thd, $3, $5, $7.type_handler(),
-                                        $7.length(), $7.dec(),
+                                        $7, lex->charset);
-                                        lex->charset);
             if (unlikely($$ == NULL))
               MYSQL_YYABORT;
           }
@@ -11060,7 +11070,7 @@ cast_type:
         | NCHAR_SYM opt_field_length
           {
             Lex->charset= national_charset_info;
-            $$.set(&type_handler_long_blob, $2, 0);
+            $$.set(&type_handler_long_blob, $2);
           }
         | cast_type_numeric  { $$= $1; Lex->charset= NULL; }
         | cast_type_temporal { $$= $1; Lex->charset= NULL; }
@@ -11094,11 +11104,11 @@ cast_type_numeric:
 
 cast_type_temporal:
           DATE_SYM                       { $$.set(&type_handler_newdate); }
-        | TIME_SYM opt_field_length      { $$.set(&type_handler_time2, 0, $2); }
+        | TIME_SYM opt_field_scale       { $$.set(&type_handler_time2, $2); }
-        | DATETIME opt_field_length      { $$.set(&type_handler_datetime2, 0, $2); }
+        | DATETIME opt_field_scale       { $$.set(&type_handler_datetime2, $2); }
-        | INTERVAL_SYM DAY_SECOND_SYM field_length
+        | INTERVAL_SYM DAY_SECOND_SYM field_scale
           {
-            $$.set(&type_handler_interval_DDhhmmssff, 0, $3);
+            $$.set(&type_handler_interval_DDhhmmssff, $3);
           }
         ;
 
@@ -11282,7 +11292,7 @@ json_table_column_type:
           FOR_SYM ORDINALITY_SYM
           {
             Lex_field_type_st type;
-            type.set_handler_length_flags(&type_handler_slong, 0, 0);
+            type.set(&type_handler_slong);
             Lex->last_field->set_attributes(thd, type, Lex->charset,
                                             COLUMN_DEFINITION_TABLE_FIELD);
             Lex->json_table->m_cur_json_table_column->

sql/structs.h

@@ -602,16 +602,74 @@ public:
 struct Lex_length_and_dec_st
 {
 private:
-  const char *m_length;
+  uint32 m_length;
-  const char *m_dec;
+  uint8  m_dec;
+  bool   m_has_explicit_length:1;
+  bool   m_has_explicit_dec:1;
+  bool   m_length_overflowed:1;
+  bool   m_dec_overflowed:1;
 public:
-  void set(const char *length, const char *dec)
+  void reset()
+  {
+    m_length= 0;
+    m_dec= 0;
+    m_has_explicit_length= false;
+    m_has_explicit_dec= false;
+    m_length_overflowed= false;
+    m_dec_overflowed= false;
+  }
+  void set_length_only(uint32 length)
+  {
+    m_length= length;
+    m_dec= 0;
+    m_has_explicit_length= true;
+    m_has_explicit_dec= false;
+    m_length_overflowed= false;
+    m_dec_overflowed= false;
+  }
+  void set_dec_only(uint8 dec)
+  {
+    m_length= 0;
+    m_dec= dec;
+    m_has_explicit_length= false;
+    m_has_explicit_dec= true;
+    m_length_overflowed= false;
+    m_dec_overflowed= false;
+  }
+  void set_length_and_dec(uint32 length, uint8 dec)
   {
     m_length= length;
     m_dec= dec;
+    m_has_explicit_length= true;
+    m_has_explicit_dec= true;
+    m_length_overflowed= false;
+    m_dec_overflowed= false;
+  }
+  void set(const char *length, const char *dec);
+  uint32 length() const
+  {
+    return m_length;
+  }
+  uint8 dec() const
+  {
+    return m_dec;
+  }
+  bool has_explicit_length() const
+  {
+    return m_has_explicit_length;
+  }
+  bool has_explicit_dec() const
+  {
+    return m_has_explicit_dec;
+  }
+  bool length_overflowed()  const
+  {
+    return m_length_overflowed;
+  }
+  bool dec_overflowed()  const
+  {
+    return m_dec_overflowed;
   }
-  const char *length() const { return m_length; }
-  const char *dec() const { return m_dec; }
 };
 
 
@@ -619,26 +677,24 @@ struct Lex_field_type_st: public Lex_length_and_dec_st
 {
 private:
   const Type_handler *m_handler;
-  void set(const Type_handler *handler, const char *length, const char *dec)
-  {
-    m_handler= handler;
-    Lex_length_and_dec_st::set(length, dec);
-  }
 public:
   void set(const Type_handler *handler, Lex_length_and_dec_st length_and_dec)
   {
     m_handler= handler;
     Lex_length_and_dec_st::operator=(length_and_dec);
   }
-  void set_handler_length_flags(const Type_handler *handler, const char *length,
+  void set_handler_length_flags(const Type_handler *handler,
+                                const Lex_length_and_dec_st &length,
                                 uint32 flags);
-  void set(const Type_handler *handler, const char *length)
+  void set_handler_length(const Type_handler *handler, uint32 length)
   {
-    set(handler, length, 0);
+    m_handler= handler;
+    Lex_length_and_dec_st::set_length_only(length);
   }
   void set(const Type_handler *handler)
   {
-    set(handler, 0, 0);
+    m_handler= handler;
+    Lex_length_and_dec_st::reset();
   }
   void set_handler(const Type_handler *handler)
   {
@@ -653,23 +709,15 @@ struct Lex_dyncol_type_st: public Lex_length_and_dec_st
 private:
   int m_type; // enum_dynamic_column_type is not visible here, so use int
 public:
-  void set(int type, const char *length, const char *dec)
-  {
-    m_type= type;
-    Lex_length_and_dec_st::set(length, dec);
-  }
   void set(int type, Lex_length_and_dec_st length_and_dec)
   {
     m_type= type;
     Lex_length_and_dec_st::operator=(length_and_dec);
   }
-  void set(int type, const char *length)
-  {
-    set(type, length, 0);
-  }
   void set(int type)
   {
-    set(type, 0, 0);
+    m_type= type;
+    Lex_length_and_dec_st::reset();
   }
   int dyncol_type() const { return m_type; }
 };

storage/rocksdb/mysql-test/rocksdb/r/col_opt_not_null.result

@@ -1423,11 +1423,11 @@ d	d0	d1_1	d10_2	d60_10	n	n0_0	n1	n20_4	n65_4
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 ALTER TABLE t1 ADD COLUMN n66 NUMERIC(66) NOT NULL;
-ERROR 42000: Too big precision 66 specified for 'n66'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(66,6) NOT NULL;
-ERROR 42000: Too big precision 66 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(66,66) NOT NULL;
-ERROR 42000: Too big scale 66 specified for 'n66_66'. Maximum is 38
+ERROR 42000: Too big scale specified for 'n66_66'. Maximum is 38
 DROP TABLE t1;
 DROP TABLE IF EXISTS t1;
 #----------------------------------
@@ -1825,7 +1825,7 @@ r1_1	0.9
 r1_1	0.9
 ALTER TABLE t1 ADD COLUMN d0_0 DOUBLE(0,0) NOT NULL;
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(256,1) NOT NULL;
-ERROR 42000: Too big precision 256 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(40,35) NOT NULL;
 DROP TABLE t1;
 DROP TABLE IF EXISTS t1;

storage/rocksdb/mysql-test/rocksdb/r/col_opt_null.result

@@ -1232,11 +1232,11 @@ d	d0	d1_1	d10_2	d60_10	n	n0_0	n1	n20_4	n65_4
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 ALTER TABLE t1 ADD COLUMN n66 NUMERIC(66) NULL;
-ERROR 42000: Too big precision 66 specified for 'n66'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(66,6) NULL;
-ERROR 42000: Too big precision 66 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(66,66) NULL;
-ERROR 42000: Too big scale 66 specified for 'n66_66'. Maximum is 38
+ERROR 42000: Too big scale specified for 'n66_66'. Maximum is 38
 DROP TABLE t1;
 DROP TABLE IF EXISTS t1;
 CREATE TABLE t1 (
@@ -1612,7 +1612,7 @@ r1_1	0.9
 r1_1	0.9
 ALTER TABLE t1 ADD COLUMN d0_0 DOUBLE(0,0) NULL;
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(256,1) NULL;
-ERROR 42000: Too big precision 256 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(40,35) NULL;
 DROP TABLE t1;
 DROP TABLE IF EXISTS t1;

storage/rocksdb/mysql-test/rocksdb/r/col_opt_unsigned.result

@@ -148,11 +148,11 @@ d	d0	d1_1	d10_2	d60_10	n	n0_0	n1	n20_4	n65_4
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 ALTER TABLE t1 ADD COLUMN n66 NUMERIC(66) UNSIGNED;
-ERROR 42000: Too big precision 66 specified for 'n66'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(66,6) UNSIGNED;
-ERROR 42000: Too big precision 66 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(66,66) UNSIGNED;
-ERROR 42000: Too big scale 66 specified for 'n66_66'. Maximum is 38
+ERROR 42000: Too big scale specified for 'n66_66'. Maximum is 38
 DROP TABLE t1;
 CREATE TABLE t1 (
 a DECIMAL UNSIGNED,
@@ -499,7 +499,7 @@ r1_1	0.9
 r1_1	0.9
 ALTER TABLE t1 ADD COLUMN d0_0 DOUBLE(0,0) UNSIGNED;
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(256,1) UNSIGNED;
-ERROR 42000: Too big precision 256 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(40,35) UNSIGNED;
 DROP TABLE t1;
 CREATE TABLE t1 (

storage/rocksdb/mysql-test/rocksdb/r/type_fixed.result

@@ -123,9 +123,9 @@ d	d0	d1_1	d10_2	d60_10	n	n0_0	n1	n20_4	n65_4
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 9999999999	9999999999	0.9	99999999.99	99999999999999999999999999999999999999999999999999.9999999999	9999999999	9999999999	9	9999999999999999.9999	9999999999999999999999999999999999999999999999999999999999999.9999
 ALTER TABLE t1 ADD COLUMN n66 NUMERIC(66) ;
-ERROR 42000: Too big precision 66 specified for 'n66'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(66,6) ;
-ERROR 42000: Too big precision 66 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(66,66) ;
-ERROR 42000: Too big scale 66 specified for 'n66_66'. Maximum is 38
+ERROR 42000: Too big scale specified for 'n66_66'. Maximum is 38
 DROP TABLE t1;

storage/rocksdb/mysql-test/rocksdb/r/type_float.result

@@ -309,6 +309,6 @@ r1_1	0.9
 r1_1	0.9
 ALTER TABLE t1 ADD COLUMN d0_0 DOUBLE(0,0) ;
 ALTER TABLE t1 ADD COLUMN n66_6 DECIMAL(256,1) ;
-ERROR 42000: Too big precision 256 specified for 'n66_6'. Maximum is 65
+ERROR 42000: Too big precision specified for 'n66_6'. Maximum is 65
 ALTER TABLE t1 ADD COLUMN n66_66 DECIMAL(40,35) ;
 DROP TABLE t1;