Problem ERROR 1525 (HY000): Incorrect DATETIME value: Post MySQL8 Upgrade
(Doc ID 2725151.1)
Last updated on APRIL 23, 2023
Applies to:
MySQL Server - Version 8.0 and laterInformation in this document applies to any platform.
Symptoms
When comparing DATE values with constant strings MySQL returns error - ERROR 1525 (HY000): Incorrect DATETIME value: '' and this is an expected behavior since the version MySQL 8.0.16 or later release, which is explained in this article: Query Fails On Date Comparison "ERROR 1525 (HY000): Incorrect DATE value" (Doc ID 2536781.1).
However, this is not ideal in certain situations such as an application is restricted to use only constant string values (e.g.'' in a nullable field) for a date field comparison, and that situation requires a workaround solution.
An example query below has a field comparison with '' which creates an error message with a warning (e.g. in version MySQL 8.0.21).
Changes
Upgraded to MySQL 8.0.16 (or later release)
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |