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mitu9527 谢谢,减少层数确实可以避开,不过我想知道具体原因而已,先试试升级版本看看能不能解决,日志缺少的部分因为字数限制没贴出来,以后会注意的了
stack_bottom = 700006668eb0 thread_stack 0x40000
0 mysqld 0x00000001056b074d my_print_stacktrace + 61
1 mysqld 0x00000001056117f0 handle_fatal_signal + 688
2 libsystem_platform.dylib 0x00007fff65ebcb5d _sigtramp + 29
3 ??? 0x0000000000000002 0x0 + 2
4 mysqld 0x00000001053d25de _ZN24Item_singlerow_subselect8val_realEv + 30
5 mysqld 0x0000000104e34581 _ZN20Item_direct_view_ref8val_realEv + 65
6 mysqld 0x0000000104e4863c _ZN16Item_func_ifnull7real_opEv + 28
7 mysqld 0x0000000104e7be8c _ZN19Item_func_numhybrid8val_realEv + 108
8 mysqld 0x0000000104e445ab _ZN14Arg_comparator12compare_realEv + 27
9 mysqld 0x0000000104e468ad _ZN12Item_func_ne7val_intEv + 45
10 mysqld 0x00000001054da3e7 _ZL20evaluate_join_recordP4JOINP7QEP_TAB + 71
11 mysqld 0x00000001054da04d _Z10sub_selectP4JOINP7QEP_TABb + 621
12 mysqld 0x00000001054da6c8 _ZL20evaluate_join_recordP4JOINP7QEP_TAB + 808
13 mysqld 0x00000001054da04d _Z10sub_selectP4JOINP7QEP_TABb + 621
14 mysqld 0x00000001054d7641 _ZN4JOIN4execEv + 769
15 mysqld 0x0000000105554bfa _Z12handle_queryP3THDP3LEXP12Query_resultyy + 554
16 mysqld 0x0000000105520fd6 _ZL21execute_sqlcom_selectP3THDP10TABLE_LIST + 950
17 mysqld 0x000000010551af71 _Z21mysql_execute_commandP3THDb + 2689
18 mysqld 0x0000000105519b20 _Z11mysql_parseP3THDP12Parser_state + 848
19 mysqld 0x00000001055189f6 _Z16dispatch_commandP3THDPK8COM_DATA19enum_server_command + 4310
20 mysqld 0x00000001055195aa _Z10do_commandP3THD + 490
21 mysqld 0x00000001055f531c handle_connection + 460
22 mysqld 0x0000000105996011 pfs_spawn_thread + 305
23 libsystem_pthread.dylib 0x00007fff65ec52eb _pthread_body + 126
24 libsystem_pthread.dylib 0x00007fff65ec8249 _pthread_start + 66
25 libsystem_pthread.dylib 0x00007fff65ec440d thread_start + 13