#0  0x000055a1a46c3902 in sortcmp (s=0x0, t=0x7f580dc3cbe0, cs=0x55a1a55242e0 <my_charset_utf8_general_ci>)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_string.h:210
No locals.
#1  0x000055a1a4789b34 in String::eq (cs=<optimized out>, other=0x7f580dc3cbe0, this=0x0)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_string.h:978
No locals.
#2  Type_handler_string_result::Item_const_eq (this=<optimized out>, a=0x7f580dc6e908, b=0x7f580dc3cc30, binary_cmp=<optimized out>)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_type.cc:7899
        sa = 0x0
        sb = 0x7f580dc3cbe0
#3  0x000055a1a48730d9 in Item::eq_by_collation (this=0x7f580dc6e888, item=0x7f580dc3cbb0, binary_cmp=<optimized out>, cs=<optimized out>)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/item.cc:6329
        save_cs = 0x55a1a54bbfe0 <my_charset_bin>
        save_item_cs = 0x0
        res = <optimized out>
#4  0x000055a1a4669d96 in merge_key_fields (and_level=3, end=0x7f580dc3dae8, new_fields=<optimized out>, start=0x7f580dc3da78)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:5725
        old = 0x7f580dc3da78
        first_free = 0x7f580dc3dab0
        first_free = <optimized out>
        old = <optimized out>
        old = <optimized out>
#5  Item_cond::add_key_fields (this=<optimized out>, join=0x7f580dc3c580, key_fields=0x7f5872cb4c20, and_level=0x7f5872cb4c1c, 
    usable_tables=18446744073709551615, sargables=0x7f5872cb4d38) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:6139
        start_key_fields = <optimized out>
        li = <optimized out>
        org_key_fields = 0x7f580dc3da78
        item = <optimized out>
#6  0x000055a1a4669b02 in Item_cond_and::add_key_fields (this=<optimized out>, join=0x7f580dc3c580, key_fields=0x7f5872cb4c20, 
    and_level=0x7f5872cb4c1c, usable_tables=<optimized out>, sargables=<optimized out>)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:6114
        li = <optimized out>
        org_key_fields = 0x7f580dc3da78
        item = <optimized out>
#7  0x000055a1a466ad2c in update_ref_and_keys (thd=thd@entry=0x7f580dc07288, keyuse=keyuse@entry=0x7f580dc3c870, join_tab=0x7f580dc3d008, 
    tables=1, cond=0x7f580dc3c240, normal_tables=normal_tables@entry=18446744073709551615, select_lex=0x7f580dc6c968, 
    sargables=0x7f5872cb4d38) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:6795
        saved_field = 0x7f580dc3da78
        and_level = 3
        i = <optimized out>
        key_fields = 0x7f580dc3da78
        end = 0x7f580dc3dae8
        field = 0x7f580dc3da78
        sz = <optimized out>
        m = <optimized out>
        sel = 0x7f580dc6c968
#8  0x000055a1a469a827 in make_join_statistics (keyuse_array=0x7f580dc3c870, tables_list=..., join=0x7f580dc3c580) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:5052
        skip_unprefixed_keyparts = <optimized out>
        has_expensive_keyparts = <optimized out>
        stat_vector = 0x7f580dc3d598
        sargables = 0x7f580dc3dcd0
        error = 0
        key = <optimized out>
        no_rows_const_tables = <optimized out>
        found_ref = <optimized out>
        s = <optimized out>
        stat_ref = 0x7f580dc3d3b0
        keyuse = <optimized out>
        start_keyuse = <optimized out>
        outer_join = <optimized out>
        i = <optimized out>
        table_vector = 0x7f580dc3d5a8
        stat = 0x7f580dc3d008
        stat_end = 0x7f580dc3d3b0
        table = <optimized out>
        const_ref = <optimized out>
        ti = {<base_list_iterator> = {list = <optimized out>, el = 0x55a1a5536ed0 <end_of_list>, prev = <optimized out>, current = <optimized out>}, <No data fields>}
        tables = 0x0
        table_count = 1
        found_const_table_map = 0
        all_table_map = <optimized out>
        refs = <optimized out>
        const_count = 0
        eq_part = <optimized out>
        thd = <optimized out>
        ref_changed = <optimized out>
        error = <optimized out>
        table = <optimized out>
        i = <optimized out>
        table_count = <optimized out>
        const_count = <optimized out>
        key = <optimized out>
        found_const_table_map = <optimized out>
        all_table_map = <optimized out>
        found_ref = <optimized out>
        refs = <optimized out>
        const_ref = <optimized out>
        eq_part = <optimized out>
        has_expensive_keyparts = <optimized out>
        table_vector = <optimized out>
        stat = <optimized out>
        stat_end = <optimized out>
        s = <optimized out>
        stat_ref = <optimized out>
        stat_vector = <optimized out>
        keyuse = <optimized out>
        start_keyuse = <optimized out>
        outer_join = <optimized out>
        no_rows_const_tables = <optimized out>
        sargables = <optimized out>
        ti = <optimized out>
        tables = <optimized out>
        thd = <optimized out>
        ref_changed = <optimized out>
        embedding = <optimized out>
        all_partitions_pruned_away = <optimized out>
        inside_an_outer_join = <optimized out>
        nested_join = <optimized out>
        t = <optimized out>
        skip_unprefixed_keyparts = <optimized out>
        p_pos = <optimized out>
        p_end = <optimized out>
        tmp = <optimized out>
        pos = <optimized out>
        tmp = <optimized out>
        embedding = <optimized out>
        keyinfo = <optimized out>
        key_parts = <optimized out>
        base_part = <optimized out>
        base_const_ref = <optimized out>
        base_eq_part = <optimized out>
        tmp = <optimized out>
        field = <optimized out>
        join_tab = <optimized out>
        possible_keys = <optimized out>
        is_const = <optimized out>
        j = <optimized out>
        conds = <optimized out>
        orig_cond_equal = <optimized out>
        pos = <optimized out>
        rows_estimation_wrapper = <optimized out>
        rows_estimation = <optimized out>
        table_records = <optimized out>
        impossible_range = <optimized out>
        records = <optimized out>
        select = <optimized out>
        sargable_cond = <optimized out>
        emb = <optimized out>
        records = <optimized out>
        unit = <optimized out>
        rows = <optimized out>
        rr = <optimized out>
        tmp_table = <optimized out>
        ti2 = <optimized out>
#9  JOIN::optimize_inner (this=0x7f580dc3c580) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:2254
        trace_wrapper = {<Json_writer_struct> = {my_writer = 0x0, context = {writer = 0x0}, closed = false}, <No data fields>}
        trace_prepare = {<Json_writer_struct> = {my_writer = 0x0, context = {writer = 0x0}, closed = false}, <No data fields>}
        trace_steps = {<Json_writer_struct> = {my_writer = 0x0, context = {writer = 0x0}, closed = false}, <No data fields>}
        sel = <optimized out>
        eq_list = {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x55a1a5536ed0 <end_of_list>, last = 0x7f5872cb4da0, elements = 0}, <No data fields>}
        ignore_on_expr = <optimized out>
#10 0x000055a1a469c2eb in JOIN::optimize (this=this@entry=0x7f580dc3c580) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:1601
        res = 0
        init_state = <optimized out>
#11 0x000055a1a469c4b5 in mysql_select (thd=0x7f580dc07288, tables=0x7f580dc6db68, wild_num=0, fields=..., conds=0x7f580dc3c240, og_num=2, order=0x7f580dc70168, group=0x0, having=0x0, proc_param=0x0, select_options=2416184064, result=0x7f580dc703b0, unit=0x7f580dc6aca0, select_lex=0x7f580dc6c968) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:4659
        err = <optimized out>
        free_join = true
        join = 0x7f580dc3c580
#12 0x000055a1a469cf6b in handle_select (thd=thd@entry=0x7f580dc07288, lex=lex@entry=0x7f580dc6abe0, result=result@entry=0x7f580dc703b0, setup_tables_done_option=setup_tables_done_option@entry=0) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_select.cc:410
        unit = 0x7f580dc6aca0
        res = <optimized out>
        select_lex = 0x7f580dc6c968
#13 0x000055a1a462fc71 in execute_sqlcom_select (thd=0x7f580dc07288, all_tables=0x7f580dc6db68) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_parse.cc:6359
        save_protocol = 0x0
        lex = 0x7f580dc6abe0
        result = 0x7f580dc703b0
        res = <optimized out>
#14 0x000055a1a463bf1a in mysql_execute_command (thd=0x7f580dc07288) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_parse.cc:3898
        privileges_requested = <optimized out>
        res = 0
        up_result = 0
        lex = 0x7f580dc6abe0
        select_lex = <optimized out>
        first_table = <optimized out>
        all_tables = 0x7f580dc6db68
        unit = 0x7f580dc6aca0
        have_table_map_for_update = false
        rpl_filter = <optimized out>
        ots = {ctx = 0x7f580dc0ac00, traceable = false}
        trace_command = {<Json_writer_struct> = {my_writer = <optimized out>, context = {writer = <optimized out>}, closed = false}, <No data fields>}
        trace_command_steps = {<Json_writer_struct> = {my_writer = 0x0, context = {writer = <optimized out>}, closed = false}, <No data fields>}
        orig_binlog_format = <optimized out>
        orig_current_stmt_binlog_format = BINLOG_FORMAT_STMT
#15 0x000055a1a4652b38 in Prepared_statement::execute (this=0x7f580dc67008, expanded_query=<optimized out>, open_cursor=false) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_prepare.cc:4760
        parent_locker = 0x0
        stmt_backup = {<ilink> = {_vptr.ilink = 0x55a1a536def0 <vtable for Statement+16>, prev = 0x0, next = 0x0}, <Query_arena> = {_vptr.Query_arena = 0x55a1a536df20 <vtable for Statement+64>, free_list = 0xb0, mem_root = 0x7f580dc72008, state = 231409544}, id = 0, column_usage = MARK_COLUMNS_READ, name = {str = 0x55a1a4d44eea <my_realloc+218> "\353\300\366ÀuCH\211U\310\366\307\001u2聝|\377I\211\304\350\351$", length = 632}, lex = 0x7f580dc0af30, query_string = {string = {str = 0x7f580dc3c0e0 "SELECT recordid, category,        (category = NULL) AS catmatch,        (category = '') AS typematch FROM record WHERE type = 11 AND       (category = NULL OR category = ''        OR category = 'Defau"..., length = 243}, cs = 0x55a1a5523e60 <my_charset_utf8mb4_general_ci>}, base_query = {<Charset> = {m_charset = 0x55a1a54bbfe0 <my_charset_bin>}, <Binary_string> = {<Static_binary_string> = {<Sql_alloc> = {<No data fields>}, Ptr = 0x0, str_length = 0}, Alloced_length = 0, extra_alloc = 0, alloced = false, thread_specific = false}, <No data fields>}, db = {str = 0x55a1a46c248b <Binary_string::realloc_raw(unsigned long)+155> "H\211\301H\205\300u\306[\270\001", length = 140017859783504}, query_cache_is_applicable = 71 'G'}
        old_stmt_arena = 0x7f580dc072a0
        error = true
        qc_executed = false
        saved_cur_db_name_buf = "\000j\313rX\177\000\000\025/l\244\241U", '\000' <repeats 11 times>, "\317n\201M\250\241\246\210r\300\rX\177\000\000\243\000\000\000\000\000\000\000\260\003\307\rX\177\000\000Pk\313rX\177\000\000\210r\300\rX\177\000\000\260\355\306\rX\177\000\000\200j\313rX\177\000\000\227\322d\244\241U\000\000\352\000\000\000\000\000\000\000Hj\313rX\177\000\000R_\302\rX\177\000\000\210\003\307\rX\177\000\000d_\302\rX\177\000\000\260\003\307\rX\177\000\000\313\307\306\rX\177\000\000d_\302\rX\177\000\000\000\000\000\000\000\000\000\000Pk\313rX\177\000\000\bp\306\rX\177\000\000R_\302\rX\177\000\000Pk\313rX\177\000\000"...
        saved_cur_db_name = {str = 0x7f5872cb69b0 "", length = 202}
        cur_db_changed = false
        stmt_db_name = {str = 0x7f580dc6c718 "mythconverg", length = 11}
#16 0x000055a1a4652f3a in Prepared_statement::execute_loop (packet=<optimized out>, packet_end=<optimized out>, open_cursor=<optimized out>, expanded_query=0x7f5872cb6b50, this=0x7f580dc67008) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_prepare.cc:4246
        reprepare_observer = {m_invalidated = false}
        error = <optimized out>
        reprepare_attempt = 0
        reprepare_observer = <optimized out>
        error = <optimized out>
        reprepare_attempt = <optimized out>
#17 Prepared_statement::execute_loop (this=0x7f580dc67008, expanded_query=0x7f5872cb6b50, open_cursor=<optimized out>, packet=<optimized out>, packet_end=<optimized out>) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_prepare.cc:4201
        reprepare_observer = <optimized out>
        error = <optimized out>
#18 0x000055a1a4653c05 in mysql_stmt_execute_common (thd=0x7f580dc07288, stmt_id=32, packet=0x7f580dc25f52 "\t\001\376", packet_end=0x7f580dc25f64 "", cursor_flags=0, bulk_op=<optimized out>, read_types=false) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_prepare.cc:3255
        expanded_query = {<Charset> = {m_charset = 0x55a1a54bbfe0 <my_charset_bin>}, <Binary_string> = {<Static_binary_string> = {<Sql_alloc> = {<No data fields>}, Ptr = 0x7f580dcb0788 "SELECT recordid, category,        (category = NULL) AS catmatch,        (category = '') AS typematch FROM record WHERE type = 11 AND       (category = NULL OR category = ''        OR category = 'Defau"..., str_length = 243}, Alloced_length = 632, extra_alloc = 384, alloced = true, thread_specific = false}, <No data fields>}
        stmt = 0x7f580dc67008
        save_protocol = 0x7f580dc077c8
        open_cursor = false
#19 0x000055a1a4653caa in mysqld_stmt_execute (thd=thd@entry=0x7f580dc07288, packet_arg=packet_arg@entry=0x7f580dc25f49 " ", packet_length=packet_length@entry=27) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_prepare.cc:3152
        packet = 0x7f580dc25f52 "\t\001\376"
        stmt_id = <optimized out>
        flags = <optimized out>
        packet_end = 0x7f580dc25f64 ""
#20 0x000055a1a464040e in dispatch_command (command=COM_STMT_EXECUTE, thd=0x7f580dc07288, packet=0x7f580dc25f49 " ", packet_length=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_parse.cc:1765
        net = 0x7f580dc074f8
        error = false
        do_end_of_statement = true
        drop_more_results = false
        __FUNCTION__ = "dispatch_command"
#21 0x000055a1a4642520 in do_command (thd=0x7f580dc07288) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_parse.cc:1359
        return_value = <optimized out>
        packet = <optimized out>
        packet_length = <optimized out>
        net = 0x7f580dc074f8
        command = COM_STMT_EXECUTE
        __FUNCTION__ = "do_command"
#22 0x000055a1a472d3a2 in do_handle_one_connection (connect=connect@entry=0x7f5872887d48) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_connect.cc:1412
        create_user = true
        thr_create_utime = <optimized out>
        thd = 0x7f580dc07288
#23 0x000055a1a472d4ff in handle_one_connection (arg=0x7f5872887d48) at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_connect.cc:1316
        connect = 0x7f5872887d48
#24 0x00007f587385d432 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#25 0x00007f58730119d3 in clone () from /lib64/libc.so.6
No symbol table info available.
#1  0x000055a1a4789b34 in String::eq (cs=<optimized out>, other=0x7f580dc3cbe0, this=0x0)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_string.h:978
978	    return !sortcmp(this, other, cs);
Cannot access memory at address 0x0
$1 = {<Charset> = {
    m_charset = 0x55a1a55242e0 <my_charset_utf8_general_ci>}, <Binary_string> = {<Static_binary_string> = {<Sql_alloc> = {<No data fields>}, Ptr = 0x7f580dc38038 "", str_length = 0}, Alloced_length = 0, extra_alloc = 0, alloced = true, 
    thread_specific = false}, <No data fields>}
#2  Type_handler_string_result::Item_const_eq (this=<optimized out>, a=0x7f580dc6e908, b=0x7f580dc3cc30, binary_cmp=<optimized out>)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/sql_type.cc:7899
7899	    sa->eq(sb, a->get_type_all_attributes_from_const()->collation.collation);
$2 = {_vptr.Item_const = 0x55a1a53aa428 <vtable for Item_param+1672>}
$3 = {_vptr.Item_const = 0x55a1a53a96d0 <vtable for Item_string+1608>}
#3  0x000055a1a48730d9 in Item::eq_by_collation (this=0x7f580dc6e888, item=0x7f580dc3cbb0, binary_cmp=<optimized out>, cs=<optimized out>)
    at /usr/src/debug/mariadb-10.4.13-2.fc32.x86_64/sql/item.cc:6329
6329	  bool res= eq(item, binary_cmp);
$4 = {<Value_source> = {<No data fields>}, <Type_all_attributes> = {<Type_std_attributes> = {collation = {
        collation = 0x55a1a55242e0 <my_charset_utf8_general_ci>, derivation = DERIVATION_COERCIBLE, repertoire = 3}, decimals = 0, 
      max_length = 0, unsigned_flag = false}, _vptr.Type_all_attributes = 0x55a1a53a9db0 <vtable for Item_param+16>}, join_tab_idx = 61, 
  is_expensive_cache = 0 '\000', rsize = 0, str_value = {<Charset> = {
      m_charset = 0x55a1a54bbfe0 <my_charset_bin>}, <Binary_string> = {<Static_binary_string> = {<Sql_alloc> = {<No data fields>}, 
        Ptr = 0x0, str_length = 0}, Alloced_length = 0, extra_alloc = 0, alloced = false, thread_specific = false}, <No data fields>}, 
  name = {str = 0x55a1a4dfe378 "?", length = 1}, orig_name = 0x0, next = 0x7f580dc6e778, marker = 0, maybe_null = true, 
  in_rollup = false, null_value = true, with_param = false, with_window_func = false, with_field = false, is_autogenerated_name = true}
No symbol "itme" in current context.
$5 = {<Value_source> = {<No data fields>}, <Type_all_attributes> = {<Type_std_attributes> = {collation = {
        collation = 0x55a1a55242e0 <my_charset_utf8_general_ci>, derivation = DERIVATION_COERCIBLE, repertoire = 1}, decimals = 39, 
      max_length = 0, unsigned_flag = false}, _vptr.Type_all_attributes = 0x55a1a53a9098 <vtable for Item_string+16>}, join_tab_idx = 61, 
  is_expensive_cache = 0 '\000', rsize = 0, str_value = {<Charset> = {
      m_charset = 0x55a1a55242e0 <my_charset_utf8_general_ci>}, <Binary_string> = {<Static_binary_string> = {<Sql_alloc> = {<No data fields>}, Ptr = 0x7f580dc38038 "", str_length = 0}, Alloced_length = 0, extra_alloc = 0, alloced = true, 
      thread_specific = false}, <No data fields>}, name = {str = 0x55a1a4efed4c "", length = 0}, orig_name = 0x0, next = 0x7f580dc3cb00, 
  marker = 0, maybe_null = false, in_rollup = false, null_value = false, with_param = false, with_window_func = false, 
  with_field = false, is_autogenerated_name = true}