3257
MySQLERRORNotableSyntaxHIGH confidence
Syntax error near COLLATE clause
Production Risk
Low — query is rejected; correct and resubmit.
How to reproduce
trigger — this will error
trigger — this will error
SELECT name COLLATE utf8mb4_0900_invalid_ci FROM t1;
expected output
ERROR 3257 (HY000): Syntax error near COLLATE clause.
Fix 1
Use a valid collation
Use a valid collation
SELECT name COLLATE utf8mb4_0900_ai_ci FROM t1;
Why this works
Specify a valid collation name that exists for the column's character set.
Fix 2
List valid collations
List valid collations
SHOW COLLATION LIKE 'utf8mb4%';
Why this works
Lists all valid collations available for the character set.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3257 ER_SYNTAX_ERROR_NEAR_COLLATION
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