1793
MySQLERRORNotableSchemaHIGH confidence
Identifier causes file path to be too long
Production Risk
Low — DDL rejected.
What this means
The combination of the data directory path, database name, and table name results in a file system path that exceeds the OS maximum path length.
Why it happens
- 1Very long database or table names combined with a deep data directory path.
- 2OS file path limit (commonly 255 or 4096 characters) exceeded.
How to reproduce
trigger — this will error
trigger — this will error
CREATE TABLE very_long_database_name.very_long_table_name_that_causes_path_overflow (...);
expected output
ERROR 1793 (HY000): Identifier name 'very_long_table_name...' is too long.
Fix
Use shorter database and table names
Use shorter database and table names
CREATE TABLE short_db.short_tbl (...);
Why this works
Keeps the resulting file system path within OS limits.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 1793 ER_IDENT_CAUSES_TOO_LONG_PATH
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