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How Can MySQL Achieve Millisecond and Microsecond Precision in Timestamps?

Patricia Arquette
Patricia ArquetteOriginal
2024-11-29 15:09:14788browse

How Can MySQL Achieve Millisecond and Microsecond Precision in Timestamps?

Millisecond and Microsecond Precision in MySQL: A Conundrum Resolved

MySQL has long presented a frustrating limitation: the inability to capture time with precision beyond seconds using the TIMESTAMP field and related functions. This issue has plagued developers like the original poster who encountered a critical bug.

To address this challenge, some suggested using the BIGINT field to store time values. However, this raised concerns about Doctrine's ability to automatically add milliseconds, as well as potential conflicts with SQL date manipulation functions. Additionally, compiling a UDF extension was deemed impractical due to the risk of future upgrades removing the fix.

Fortunately, MySQL has since rectified this problem. With the release of version 5.6.4, MySQL now fully supports fractional seconds for TIME, DATETIME, and TIMESTAMP values, with precision down to the microsecond. This significant improvement allows for precise timekeeping and eliminates the need for workarounds and hacks.

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