MySQL Bugs: #46017: add runtime version checking to mysql

Bug #46017	add runtime version checking to mysql_upgrade
Submitted:	7 Jul 2009 18:07	Modified:	4 Oct 2010 13:17
Reporter:	Scott Noyes	Email Updates:
Status:	Duplicate	Impact on me:	None
Category:	MySQL Server: Installing	Severity:	S4 (Feature request)
Version:	any	OS:	Any
Assigned to:		CPU Architecture:	Any

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Description:
mysql_upgrade does not verify which version it is running against. If you use the wrong version, you can get mysterious errors, which require some experience to diagnose.

How to repeat:
Run the 5.1 mysql_upgrade against a 5.0 server, and it will fail with errors about unknown options (have_csv, for one).

Suggested fix:
Add a SELECT VERSION() and notify the user if the major version doesn't match.

This is a duplicate of bug #42028