Error
Error Code:
54011
PostgreSQL Error 54011: Too Many Columns
Description
This error indicates that a PostgreSQL table definition has exceeded the maximum allowed number of columns. PostgreSQL imposes a hard limit on the number of columns per table, which is typically 1600, preventing the creation or alteration of the table.
Error Message
too many columns
Known Causes
3 known causesExceeding Column Limit During Table Creation
Attempting to create a new table with more columns than the PostgreSQL system limit, which is 1600 by default.
Adding Too Many Columns to Existing Table
Modifying an existing table via `ALTER TABLE ADD COLUMN` operations, causing the total number of columns to exceed the PostgreSQL limit.
Auto-Generated Schemas
Using Object-Relational Mappers (ORMs) or schema migration tools that automatically generate tables with an excessive number of columns, inadvertently hitting the system limit.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service