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class JOIN :public Sql_alloc { JOIN(const JOIN &rhs); /** *fields; List group_fields, group_fields_cache; TABLE *tmp_table; /// used to store 2 possible tmp table ... 阅读全文
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/***********************************************************************//** Reads the next or previous row from a cursor, which must have previously been positioned using index_read. @return 0,... 阅读全文
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/*****************************************************************//** Reads the next row in a table scan (also used to read the FIRST row in a table scan). @return 0, HA_ERR_END_OF_FILE, or err... 阅读全文
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/** The class defining a handle to an Innodb table */ class ha_innobase: public handler { row_prebuilt_t* prebuilt; /*! *f_key_list); int get_parent_foreign_key_list(THD *thd, ... 阅读全文