MySQL：どのバージョンを確認してください：32ビットまたは64ビット？

$ mysql --version
mysql  Ver 14.14 Distrib 5.1.45, for apple-darwin10.2.0 (i386) using readline 6.2


$ echo '\s' | mysql
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mysql  Ver 14.14 Distrib 5.1.45, for apple-darwin10.2.0 (i386) using readline 6.2

Connection id:      105730
[...]
Server version:     5.1.41 MySQL Community Server (GPL)
[...]
Uptime:         11 days 4 hours 2 min 6 sec

Threads: 2  Questions: 1141270  Slow queries: 0  Opens: 6137  Flush tables: 1  Open tables: 56  Queries per second avg: 1.182
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