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#define FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID 34
/*************************************************************//** Gets the tablespace identifier. @return space id */ UNIV_INLINE ulint page_get_space_id( /*==============*/ const page_t* page) /*!< in: page */ { ut_ad(page == page_align((page_t*) page)); return(mach_read_from_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID)); }
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原文地址:http://www.cnblogs.com/taek/p/4988910.html