ALTER TABLE MODIFY COLUMN Taking Long Time On JSON Fields
(Doc ID 3040496.1)
Last updated on SEPTEMBER 15, 2024
Applies to:
HeatWave - Version N/A and laterMySQL Server - Version 8.0 and later
Information in this document applies to any platform.
Symptoms
Attempt to use the statement:
ALTER TABLE users ALGORITHM=INPLACE, LOCK=NONE MODIFY COLUMN username VARCHAR(100);
failed with an error:
ERROR 1845 (0A000): ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=COPY/INPLACE.
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |