📋

Description

Error 1441 signifies that a datetime function or calculation has produced a result where one of its date or time components (e.g., year, month, day, hour) exceeds its permissible range. This usually happens when attempting to store or process an invalid date or time value, leading to an overflow condition within the function.

💬

Error Message

Datetime function: %s field overflow

🔍

Known Causes

3 known causes

⚠️

Invalid Date/Time Input

Attempting to insert or update a date or time value that is inherently invalid (e.g., February 30th, 25 hours, or a non-existent date).

⚠️

Date Arithmetic Overflow

Calculations involving date or time functions (e.g., DATE_ADD, TIMESTAMPADD) producing a component value outside its allowed range for that field.

⚠️

Malformed String Conversion

Implicit conversion of a malformed string literal into a date or time value, leading to an invalid component during parsing by a datetime function.

🛠️

Solutions

3 solutions available

1. Adjusting the `datetime_input_precision` System Variable easy

Temporarily increase the precision for datetime input to accommodate larger values.

1

Connect to your MariaDB server using a client like `mysql` or `mariadb`.

mariadb -u your_user -p

2

Check the current value of `datetime_input_precision`. The default is 0, meaning it uses the fractional second precision of the data type.

SHOW VARIABLES LIKE 'datetime_input_precision';

3

If the error persists or you're dealing with values that exceed the typical range (e.g., very large years), temporarily set `datetime_input_precision` to a higher value. A value of 6 is common for microsecond precision.

SET GLOBAL datetime_input_precision = 6;

4

Attempt the operation that caused the error again.

INSERT INTO your_table (your_datetime_column) VALUES ('2099-12-31 23:59:59.123456');

5

Once the operation is successful, you can reset `datetime_input_precision` to its default if desired.

SET GLOBAL datetime_input_precision = DEFAULT;

2. Verifying and Correcting Data Values medium

Inspect and fix the actual datetime values causing the overflow.

1

Identify the specific datetime value that is causing the overflow. This might involve examining application logs or the query that failed.

text

2

Understand the valid range for MariaDB's `DATETIME` and `TIMESTAMP` data types. `DATETIME` typically supports '1000-01-01 00:00:00' to '9999-12-31 23:59:59'. `TIMESTAMP` has a smaller range, generally '1970-01-01 00:00:01' UTC to '2038-01-19 03:14:07' UTC.

text

3

If the value is outside the valid range for the column's data type, correct it. For example, if you have a value like '0000-00-00 00:00:00' and your `sql_mode` doesn't allow it, or if you have a year far beyond '9999', you'll need to adjust.

UPDATE your_table SET your_datetime_column = '2000-01-01 00:00:00' WHERE your_datetime_column = '0000-00-00 00:00:00';
UPDATE your_table SET your_datetime_column = '9999-12-31 23:59:59' WHERE your_datetime_column = '99999-01-01 00:00:00';

4

Ensure your application logic is not generating invalid datetime strings. This might involve debugging your application code.

text

3. Modifying Table Schema to Accommodate Larger Values advanced

Change the data type of the column if it's not suitable for the required datetime range.

1

Assess the maximum and minimum datetime values your application needs to store. If they exceed the standard `DATETIME` range (e.g., dates before year 1000 or after year 9999), you might need a different approach.

text

2

Consider using a `BIGINT` or `VARCHAR` to store datetime information if the range is extremely large or unusual. For `BIGINT`, you'd typically store the Unix timestamp or a custom numerical representation.

ALTER TABLE your_table MODIFY COLUMN your_datetime_column BIGINT;
-- Or
ALTER TABLE your_table MODIFY COLUMN your_datetime_column VARCHAR(50);

3

If you choose `BIGINT`, you'll need to convert your datetime values to a numerical format (e.g., Unix timestamp) before insertion and convert them back when retrieving.

INSERT INTO your_table (your_datetime_column) VALUES (UNIX_TIMESTAMP('2099-12-31 23:59:59'));
SELECT FROM_UNIXTIME(your_datetime_column) FROM your_table;

4

If you choose `VARCHAR`, ensure a consistent format for storing datetime strings to facilitate parsing and querying.

INSERT INTO your_table (your_datetime_column) VALUES ('99999-01-01 00:00:00');

5

This is a significant schema change and requires careful planning and testing, as it will impact all queries and application logic that interacts with this column.

text

🔗

Related Errors

5 related errors

MariaDB Error 1441: Datetime Field Overflow