MEDIUMTEXT
This page is part of MariaDB's Documentation.
The parent of this page is: Data Types for MariaDB Enterprise Server
Topics on this page:
Overview
String for variable-length text data up to 16,777,215 bytes.
DETAILS
SYNONYMS
The following are synonyms for MEDIUMTEXT:
LONG
LONG CHAR VARYING
LONG CHARACTER VARYING
LONG VARCHAR
LONG VARCHARACTER
EXAMPLES
MEDIUMTEXT
Example of MEDIUMTEXT
:
CREATE TABLE mediumtext_example (
description VARCHAR(20),
example MEDIUMTEXT
) DEFAULT CHARSET=latin1; -- One byte per char makes the examples clearer
INSERT INTO mediumtext_example VALUES
('Normal foo', 'foo'),
('Trailing spaces foo', 'foo '),
('NULLed', NULL),
('Empty', ''),
('Maximum', RPAD('', 16777215, 'x'));
SELECT description, LENGTH(example) AS length
FROM mediumtext_example;
+---------------------+----------+
| description | length |
+---------------------+----------+
| Normal foo | 3 |
| Trailing spaces foo | 9 |
| NULLed | NULL |
| Empty | 0 |
| Maximum | 16777215 |
+---------------------+----------+
Data Too Long
When SQL_MODE
is strict (the default) a value is considered "too long" when its length exceeds the size of the data type, and an error is generated.
Example of data too long behavior for MEDIUMTEXT
:
TRUNCATE mediumtext_example;
INSERT INTO mediumtext_example VALUES
('Overflow', RPAD('', 16777216, 'x'));
ERROR 1406 (22001): Data too long for column 'example' at row 1
CHANGE HISTORY
EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.