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MySQL Client/Server Protocol: Bug with Length-coded Binary
Posted by: Chris Waterson
Date: April 11, 2006 10:37AM

I think there may be a bug in the description of length-coded binary numbers; e.g., on this page:

http://dev.mysql.com/doc/internals/en/elements.html

Specifically, I believe (and the source code appears to agree with me; cf. sql/pack.c) that if the value of the first byte is 253, then what follows is a 24-bit number encoded in the following *three* bytes. (The documentation currently states that what follows is a 32-bit number encoded in the following four bytes.)

chris

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Chris Waterson
April 11, 2006 10:37AM


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