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Re: Ok to write directly to member of merge table?
Posted by: Ingo Strüwing
Date: May 05, 2006 03:17AM

Yes, it does.

A MERGE table must be defined exactly as all of its underlying MyISAM tables (with a few exceptions for indexes). It seems that the TEMPORARY attribute is not tested.

In other words: MySQL must check that if a MERGE table is TEMPORARY, all of its MyISAM tables must be TEMPORARY too. Conforming with the general MERGE behaviour, this shall be checked at access time, not at creation time.

Please report it as a bug at


Ingo Strüwing, Senior Software Developer - Storage Engines

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