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When encountering the error "1199: Statement failed due to index" in MySQL, follow these actionable steps:
To enable the general log temporarily:SET global general_log = 1;
SET global log_output = 'table';
After reproducing the error, you can find the query in the `mysql.general_log` table:SELECT * FROM mysql.general
log WHERE argument LIKE '%YOUR
TABLE
NAME%' ORDER BY event
time DESC LIMIT 10;
Don’t forget to disable the general log afterwards to avoid performance issues:SET global general_log = 0;
To check table structure:DESCRIBE your
table
name;
To list indexes:SHOW INDEX FROM your
table
name;
CHECK TABLE your
table
name FOR UPGRADE;
If issues are found, use:REPAIR TABLE your
table
name;
EXPLAIN your
problematic
query;
OPTIMIZE TABLE your
table
name;
Drop the index:DROP INDEX index
name ON your
table_name;
Recreate the index (ensure to use the correct index definition):CREATE INDEX index
name ON your
table
name(column
name);
By following these steps, you should be able to diagnose and potentially resolve the "1199: Statement failed due to index" error in MySQL.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)
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(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)