ALTER TABLE ADD INDEX For Generated Timestamp Column Fails: "ERROR 1067 (42000): Invalid default value for '...'"
(Doc ID 2161925.1)
Last updated on MARCH 23, 2020
Applies to:
MySQL Server - Version 5.7 and laterInformation in this document applies to any platform.
Symptoms
When trying to add an index to a generated column of the timestamp data type, the ALTER TABLE statement fails like:
Changes
The issue may start if explicit_defaults_for_timestamp has been disabled (which is the default) or the SQL mode has been changed.
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |