MySQL Error 3584: Invalid Window Frame Start

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Description

This error occurs when defining a window function's frame clause in MySQL. It specifically indicates an incorrect specification for the frame's starting boundary, where 'UNBOUNDED FOLLOWING' was used, which is logically invalid for a start position. This typically happens in 'ROWS BETWEEN ... AND ...' or 'RANGE BETWEEN ... AND ...' clauses.

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Error Message

Window '%s': frame start cannot be UNBOUNDED FOLLOWING.

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Known Causes

3 known causes

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Incorrect Frame Boundary Specification

The 'UNBOUNDED FOLLOWING' keyword was used as the start boundary in a window frame clause (e.g., 'ROWS BETWEEN UNBOUNDED FOLLOWING AND ...'), which is not a valid logical start position.

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Typographical Error in SQL Query

A simple typo or copy-paste error led to 'UNBOUNDED FOLLOWING' being mistakenly used where 'UNBOUNDED PRECEDING' or another valid start boundary was intended.

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Misunderstanding Window Function Syntax

Lack of familiarity with the correct syntax and permissible options for defining window frames, particularly the valid keywords for the start boundary in a 'BETWEEN' clause.

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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General 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

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Related Errors

5 related errors