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The result of UNCOMPRESSED_LENGTH is different with MySQL #59617

Open
Tracked by #59410
YangKeao opened this issue Feb 18, 2025 · 0 comments
Open
Tracked by #59410

The result of UNCOMPRESSED_LENGTH is different with MySQL #59617

YangKeao opened this issue Feb 18, 2025 · 0 comments
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severity/minor sig/sql-infra SIG: SQL Infra type/bug The issue is confirmed as a bug.

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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

SELECT UNCOMPRESSED_LENGTH('invalid_compressed_data')

2. What did you expect to see? (Required)

MySQL returns 561409641

3. What did you see instead (Required)

TiDB returns 1635151465.

4. What is your TiDB version? (Required)
@YangKeao YangKeao added severity/minor type/bug The issue is confirmed as a bug. labels Feb 18, 2025
@YangKeao YangKeao mentioned this issue Feb 18, 2025
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@jebter jebter added the sig/sql-infra SIG: SQL Infra label Feb 24, 2025
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