should check: HA_READ_MBR_CONTAIN HA_READ_MBR_INTERSECT HA_READ_MBR_WITHIN HA_READ_MBR_DISJOINT HA_READ_MBR_EQUAL mysqld-debug.exe!_NMSG_WRITE(int rterrnum=0x0000000a) Line 198 C mysqld-debug.exe!abort() Line 59 + 0x7 bytes C mysqld-debug.exe!_wassert(const wchar_t * expr=0x008a1988, const wchar_t * filename=0x008aa230, unsigned int lineno=0x00000e82) Line 212 C > mysqld-debug.exe!convert_search_mode_to_innobase(ha_rkey_function find_flag=HA_READ_MBR_INTERSECT) Line 3714 + 0x18 bytes C++ mysqld-debug.exe!ha_innobase::records_in_range(unsigned int keynr=0x00000000, st_key_range * min_key=0x04c8bc48, st_key_range * max_key=0x00000000) Line 5170 + 0x2a bytes C++ mysqld-debug.exe!check_quick_keys(st_qsel_param * param=0x04c8be7c, unsigned int idx=0x00000000, SEL_ARG * key_tree=0x02868c50, char * min_key=0x04c8c0bc, unsigned int min_key_flag=0x00000000, char * max_key=0x04c8cfba, unsigned int max_key_flag=0x00000000) Line 5962 + 0x2a bytes C++ mysqld-debug.exe!check_quick_select(st_qsel_param * param=0x04c8be7c, unsigned int idx=0x00000000, SEL_ARG * tree=0x02868c50) Line 5776 + 0x29 bytes C++ mysqld-debug.exe!get_key_scans_params(st_qsel_param * param=0x04c8be7c, SEL_TREE * tree=0x02868b10, int index_read_must_be_used=0x00000000, double read_time=3.3000000000000003) Line 3464 + 0x13 bytes C++ mysqld-debug.exe!SQL_SELECT::test_quick_select(THD * thd=0x02833f38, Bitmap<64> keys_to_use={...}, unsigned __int64 prev_tables=0x0000000000000000, unsigned long limit=0xffffffff, int force_quick_range=0x00000000) Line 2104 + 0x1e bytes C++ mysqld-debug.exe!SQL_SELECT::check_quick(THD * thd=0x02833f38, int force_quick_range=0x00000000, unsigned long limit=0xffffffff) Line 699 + 0x20 bytes C++ mysqld-debug.exe!mysql_update(THD * thd=0x02833f38, TABLE_LIST * table_list=0x02861a38, List & fields={...}, List & values={...}, Item * conds=0x02861ec0, unsigned int order_num=0x00000000, st_order * order=0x00000000, unsigned long limit=0xffffffff, enum_duplicates handle_duplicates=DUP_ERROR, int ignore=0x00000000) Line 245 + 0x2a bytes C++ mysqld-debug.exe!mysql_execute_command(THD * thd=0x02833f38) Line 3443 + 0x59 bytes C++ mysqld-debug.exe!mysql_parse(THD * thd=0x02833f38, const char * inBuf=0x02861998, unsigned int length=0x0000002e, const char * * found_semicolon=0x04c8fd70) Line 6105 + 0x9 bytes C++ mysqld-debug.exe!dispatch_command(enum_server_command command=COM_QUERY, THD * thd=0x02833f38, char * packet=0x02859509, unsigned int packet_length=0x0000002f) Line 1812 + 0x1e bytes C++ mysqld-debug.exe!do_command(THD * thd=0x02833f38) Line 1586 + 0x31 bytes C++ mysqld-debug.exe!handle_one_connection(void * arg=0x02833f38) Line 1197 + 0x9 bytes C++ mysqld-debug.exe!pthread_start(void * param=0x0284daa0) Line 62 + 0x7 bytes C mysqld-debug.exe!_callthreadstart() Line 293 + 0xf bytes C mysqld-debug.exe!_threadstart(void * ptd=0x0285d540) Line 277 C kernel32.dll!FlsSetValue() + 0x136 bytes [Frames below may be incorrect and/or missing, no symbols loaded for kernel32.dll] mysqld-debug.exe!_NMSG_WRITE mysqld-debug.exe!abort mysqld-debug.exe!_wassert mysqld-debug.exe!convert_search_mode_to_innobase mysqld-debug.exe!ha_innobase::records_in_range mysqld-debug.exe!check_quick_keys mysqld-debug.exe!check_quick_select mysqld-debug.exe!get_key_scans_params mysqld-debug.exe!SQL_SELECT::test_quick_select mysqld-debug.exe!SQL_SELECT::check_quick mysqld-debug.exe!mysql_update mysqld-debug.exe!mysql_execute_command mysqld-debug.exe!mysql_parse mysqld-debug.exe!dispatch_command mysqld-debug.exe!do_command mysqld-debug.exe!handle_one_connection mysqld-debug.exe!pthread_start mysqld-debug.exe!_callthreadstart mysqld-debug.exe!_threadstart kernel32.dll!FlsSetValue