MEDIUMINT

Syntax

MEDIUMINT[(M)] [SIGNED | UNSIGNED | ZEROFILL]

Description

A medium-sized integer. The signed range is -8388608 to 8388607. The unsigned range is 0 to 16777215.

ZEROFILL pads the integer with zeroes and assumes UNSIGNED (even if UNSIGNED is not specified).

For details on the attributes, see Numeric Data Type Overview.

Examples

CREATE TABLE mediumints (a MEDIUMINT,b MEDIUMINT UNSIGNED,c MEDIUMINT ZEROFILL);

DESCRIBE mediumints;
+-------+--------------------------------+------+-----+---------+-------+
| Field | Type                           | Null | Key | Default | Extra |
+-------+--------------------------------+------+-----+---------+-------+
| a     | mediumint(9)                   | YES  |     | NULL    |       |
| b     | mediumint(8) unsigned          | YES  |     | NULL    |       |
| c     | mediumint(8) unsigned zerofill | YES  |     | NULL    |       |
+-------+--------------------------------+------+-----+---------+-------+

INSERT INTO mediumints VALUES (-10,-10,-10);
Query OK, 1 row affected, 2 warnings (0.05 sec)
Warning (Code 1264): Out of range value for column 'b' at row 1
Warning (Code 1264): Out of range value for column 'c' at row 1

INSERT INTO mediumints VALUES (-10,10,-10);
Query OK, 1 row affected, 1 warning (0.08 sec)
Warning (Code 1264): Out of range value for column 'c' at row 1

INSERT INTO mediumints VALUES (-10,10,10);

INSERT INTO mediumints VALUES (8388608,8388608,8388608);
Query OK, 1 row affected, 1 warning (0.05 sec)
Warning (Code 1264): Out of range value for column 'a' at row 1

INSERT INTO mediumints VALUES (8388607,8388608,8388608);

SELECT * FROM mediumints;
+---------+---------+----------+
| a       | b       | c        |
+---------+---------+----------+
|     -10 |       0 | 00000000 |
|     -10 |       0 | 00000000 |
|     -10 |      10 | 00000000 |
|     -10 |      10 | 00000010 |
| 8388607 | 8388608 | 08388608 |
| 8388607 | 8388608 | 08388608 |
+---------+---------+----------+

See also

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