4.10.8. MySQL ãµã¼ãã®ã¿ã¤ã ã¾ã¼ã³ ãµãã¼ãã«ããä¾ã®ã¯ã¨ãªãæããã¨ãããCONVERT_TZ() ã®çµæã NULL ã«ãªã£ã¦ãã¾ã£ã¦ãã¾ããã > SELECT CONVERT_TZ('2004-01-01 12:00:00','GMT','MET'); +-----------------------------------------------+ | CONVERT_TZ('2004-01-01 12:00:00','GMT','MET') | +-----------------------------------------------+ | NULL | +-----------------------------------------------+ 1 row in set (0.00 sec) 調ã¹ã¦ã¿ãã 4.5.5. mysql_tzinfo_t
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