Mercurial > hg > Document > 2014 > AdvSoftware
changeset 0:1851152b61a5
2009/05/23 Advanced Software GDB Log.
| author | admin@koba.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Sat, 23 May 2009 17:00:07 +0900 |
| parents | |
| children | bae1f0a25099 |
| files | SoftwareLog0523.txt |
| diffstat | 1 files changed, 2880 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SoftwareLog0523.txt Sat May 23 17:00:07 2009 +0900 @@ -0,0 +1,2880 @@ +Current directory is ~/mysql-5.1.34/ +GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008) +Copyright 2004 Free Software Foundation, Inc. +GDB is free software, covered by the GNU General Public License, and you are +welcome to change it and/or distribute copies of it under certain conditions. +Type "show copying" to see the conditions. +There is absolutely no warranty for GDB. Type "show warranty" for details. +This GDB was configured as "i386-apple-darwin"..."/Users/e055742/mysql-5.1.34/config.status": not in executable format: File format not recognized + +(gdb) file /usr/local/mysql/libexec/mysqld +Reading symbols for shared libraries ..... done +Reading symbols from /usr/local/mysql-5.0.77-osx10.5-x86/libexec/mysqld...done. +(gdb) attach 1667 +Attaching to program: `/usr/local/mysql-5.0.77-osx10.5-x86/libexec/mysqld', process 1667. +Reading symbols for shared libraries ++++. done +0x958166f2 in select$DARWIN_EXTSN () +(gdb) b vioread +Function "vioread" not defined. +Make breakpoint pending on future shared library load? (y or [n]) n +(gdb) b vio_read +Breakpoint 1 at 0x3686db: file viosocket.c, line 34. +(gdb) c +Continuing. +[Switching to process 1667 thread 0x2103] + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 ">", size=4) at viosocket.c:34 +(gdb) c +Continuing. +Current language: auto; currently c + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 ":", size=58) at viosocket.c:34 +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\a", size=4) at viosocket.c:34 +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "!", size=33) at viosocket.c:34 +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) c +Continuing. + + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\022", size=18) at viosocket.c:34 +(gdb) Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\b", size=8) at viosocket.c:34 +(gdb) +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\a", size=4) at viosocket.c:34 +(gdb) +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\a", size=4) at viosocket.c:34 +(gdb) +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\024", size=20) at viosocket.c:34 +(gdb) +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) where +#0 vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +#1 0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +#2 0x000dbc83 in my_net_read (net=0x1027694) at net_serv.cc:996 +#3 0x0010ab3b in do_command (thd=0x1027618) at sql_parse.cc:799 +#4 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#5 0x957f8095 in _pthread_start () +#6 0x957f7f52 in thread_start () +(gdb) finish +Run till exit from #0 vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +Value returned is $1 = 4294967295 +(gdb) s +Current language: auto; currently c++ +(gdb) n +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) finish +Run till exit from #0 my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:853 + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) finish +Run till exit from #0 vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +Value returned is $2 = 4 +(gdb) where +#0 0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +#1 0x000dbc83 in my_net_read (net=0x1027694) at net_serv.cc:996 +#2 0x0010ab3b in do_command (thd=0x1027618) at sql_parse.cc:799 +#3 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#4 0x957f8095 in _pthread_start () +#5 0x957f7f52 in thread_start () +Current language: auto; currently c++ +(gdb) u +(gdb) +(gdb) u +(gdb) up +#1 0x000dbc83 in my_net_read (net=0x1027694) at net_serv.cc:996 +(gdb) up +#2 0x0010ab3b in do_command (thd=0x1027618) at sql_parse.cc:799 +(gdb) +#3 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +(gdb) down +#2 0x0010ab3b in do_command (thd=0x1027618) at sql_parse.cc:799 +(gdb) l +794 thd->clear_error(); // Clear error message +795 thd->main_da.reset_diagnostics_area(); +796 +797 net_new_transaction(net); +798 +799 packet_length= my_net_read(net); +800 #if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER) +801 thd->profiling.start_new_query(); +802 #endif +803 if (packet_length == packet_error) +(gdb) b 799 +Breakpoint 2 at 0x10ab30: file sql_parse.cc, line 799. +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\024", size=20) at viosocket.c:34 +(gdb) c +Continuing. +Current language: auto; currently c + +Breakpoint 2, do_command (thd=0x1027618) at sql_parse.cc:799 +(gdb) p net +$3 = (NET *) 0x1027694 +Current language: auto; currently c++ +(gdb) p *net +$4 = { + vio = 0x902608, + buff = 0x1054418 "\001", + buff_end = 0x1056418 "h4z\025", '' <repeats 189 times>..., + write_pos = 0x1054418 "\001", + read_pos = 0x1054418 "\001", + fd = 19, + remain_in_buf = 0, + length = 2779096485, + buf_length = 2779096485, + where_b = 0, + max_packet = 8192, + max_packet_size = 1048576, + pkt_nr = 0, + compress_pkt_nr = 1, + write_timeout = 60, + read_timeout = 28800, + retry_count = 10, + fcntl = -1515870811, + return_status = 0x10285e0, + reading_or_writing = 0 '\0', + save_char = -91 '', + unused0 = -91 '', + unused = -91 '', + compress = 0 '\0', + unused1 = -91 '', + query_cache_query = 0x0, + last_errno = 0, + error = 0 '\0', + unused2 = -91 '', + return_errno = 1 '\001', + last_error = "\000", '' <repeats 511 times>, + sqlstate = "", + extension = 0xa5a5a5a5 +} +(gdb) n + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) where +#0 vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +#1 0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +#2 0x000dbc83 in my_net_read (net=0x1027694) at net_serv.cc:996 +#3 0x0010ab3b in do_command (thd=0x1027618) at sql_parse.cc:799 +#4 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#5 0x957f8095 in _pthread_start () +#6 0x957f7f52 in thread_start () +Current language: auto; currently c +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) where +#0 vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +#1 0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +#2 0x000dbc83 in my_net_read (net=0x1027694) at net_serv.cc:996 +#3 0x0010ab3b in do_command (thd=0x1027618) at sql_parse.cc:799 +#4 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#5 0x957f8095 in _pthread_start () +#6 0x957f7f52 in thread_start () +(gdb) finish +Run till exit from #0 vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +Value returned is $5 = 4 +(gdb) c +Continuing. +Current language: auto; currently c++ + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\024", size=20) at viosocket.c:34 +(gdb) c +Continuing. +Current language: auto; currently c + +Breakpoint 2, do_command (thd=0x1027618) at sql_parse.cc:799 +(gdb) +Continuing. +Current language: auto; currently c++ + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) +Continuing. +Current language: auto; currently c + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +(gdb) finish +Run till exit from #0 vio_read (vio=0x902608, buf=0x1054418 "\001", size=4) at viosocket.c:34 +0x000db785 in my_real_read (net=0x1027694, complen=0xb0062e98) at net_serv.cc:815 +Value returned is $6 = 4 +(gdb) l parse +Function "parse" not defined. +(gdb) l parse_sql(THD*, Parser_state*, Object_creation_ctx*) +7748 @retval TRUE on parsing error. +7749 */ +7750 +7751 bool parse_sql(THD *thd, +7752 Parser_state *parser_state, +7753 Object_creation_ctx *creation_ctx) +7754 { +7755 DBUG_ASSERT(thd->m_parser_state == NULL); +7756 +7757 /* Backup creation context. */ +(gdb) b 7751 +Breakpoint 3 at 0x1087f3: file sql_parse.cc, line 7751. +(gdb) c +Continuing. + +Breakpoint 1, vio_read (vio=0x902608, buf=0x1054418 "\024", size=20) at viosocket.c:34 +(gdb) +Continuing. +Current language: auto; currently c + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) n +Current language: auto; currently c++ +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5867 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) b mysql_execute_command(THD*) +Breakpoint 4 at 0xfe592: file sql_parse.cc, line 1961. +(gdb) info breakpoints +Num Type Disp Enb Address What +1 breakpoint keep y 0x003686db in vio_read at viosocket.c:34 + breakpoint already hit 21 times +2 breakpoint keep y 0x0010ab30 in do_command(THD*) at sql_parse.cc:799 + breakpoint already hit 2 times +3 breakpoint keep y 0x001087f3 in parse_sql(THD*, Parser_state*, Object_creation_ctx*) at sql_parse.cc:7751 + breakpoint already hit 1 time +4 breakpoint keep y 0x000fe592 in mysql_execute_command(THD*) at sql_parse.cc:1961 +(gdb) d 1 +(gdb) c +Continuing. + +Breakpoint 2, do_command (thd=0x1027618) at sql_parse.cc:799 +(gdb) d 2 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) where +#0 mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +#1 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#2 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#3 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#4 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#5 0x957f8095 in _pthread_start () +#6 0x957f7f52 in thread_start () +(gdb) up +#1 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) up +#1 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) +Continuing. + + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) b execute_sqlcom_select +Breakpoint 5 at 0xf8318: file sql_parse.cc, line 4935. +(gdb) c +Continuing. + +Breakpoint 5, 0x000f8318 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4935 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +(gdb) s +open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4984 +(gdb) n +(gdb) +(gdb) s +open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4464 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2526 +(gdb) where +#0 open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2526 +#1 0x00156c43 in open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4586 +#2 0x001574bc in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4989 +#3 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#4 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#5 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#6 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#7 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#8 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#9 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#10 0x957f8095 in _pthread_start () +#11 0x957f7f52 in thread_start () +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +create_table_def_key (thd=0x1027618, key=0xb00616dd "7", table_list=0x105cd58, tmp_table=true) at sql_base.cc:234 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2554 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) p table +$7 = (TABLE *) 0x1024218 +(gdb) p *table +$8 = { + s = 0x1056628, + file = 0x1057a28, + next = 0x1024818, + prev = 0x102f818, + parent = 0x0, + child_l = 0x0, + child_last_l = 0x0, + in_use = 0x0, + field = 0x1057b30, + record = {0x1057e28 "\003", 0x1058090 '' <repeats 200 times>...}, + write_row_record = 0x0, + insert_values = 0x0, + covering_keys = { + map = 0 + }, + quick_keys = { + map = 0 + }, + merge_keys = { + map = 0 + }, + keys_in_use_for_query = { + map = 0 + }, + keys_in_use_for_group_by = { + map = 0 + }, + keys_in_use_for_order_by = { + map = 0 + }, + key_info = 0x0, + next_number_field = 0x0, + found_next_number_field = 0x0, + timestamp_field = 0x0, + triggers = 0x0, + pos_in_table_list = 0x105cd58, + group = 0x0, + alias = 0x903c08 "class", + null_flags = 0x1057e28 "\003", + bitmap_init_value = 0x0, + def_read_set = { + bitmap = 0x1057c58, + n_bits = 3, + last_word_mask = 4294967288, + last_word_ptr = 0x1057c58, + mutex = 0x0 + }, + def_write_set = { + bitmap = 0x1057c5c, + n_bits = 3, + last_word_mask = 4294967288, + last_word_ptr = 0x1057c5c, + mutex = 0x0 + }, + tmp_set = { + bitmap = 0x1057c60, + n_bits = 3, + last_word_mask = 4294967288, + last_word_ptr = 0x1057c60, + mutex = 0x0 + }, + read_set = 0x10242a4, + write_set = 0x10242b8, + query_id = 0, + quick_rows = {0 <repeats 64 times>}, + const_key_parts = {0 <repeats 64 times>}, + quick_key_parts = {0 <repeats 64 times>}, + quick_n_ranges = {0 <repeats 64 times>}, + quick_condition_rows = 3, + timestamp_field_type = TIMESTAMP_NO_AUTO_SET, + map = 1, + lock_position = 0, + lock_data_start = 0, + lock_count = 1, + tablenr = 0, + used_fields = 3, + temp_pool_slot = 0, + status = 2, + db_stat = 39, + derived_select_number = 0, + current_lock = 2, + copy_blobs = 0 '\0', + maybe_null = 0, + null_row = 0 '\0', + force_index = 0 '\0', + distinct = 0 '\0', + const_table = 0 '\0', + no_rows = 0 '\0', + key_read = 0 '\0', + no_keyread = 0 '\0', + open_placeholder = 0 '\0', + locked_by_logger = 0 '\0', + no_replicate = 0 '\0', + locked_by_name = 0 '\0', + fulltext_searched = 0 '\0', + no_cache = 0 '\0', + open_by_handler = 0 '\0', + auto_increment_field_not_null = 0 '\0', + insert_or_update = 0 '\0', + alias_name_used = 0 '\0', + get_fields_in_item_tree = 0 '\0', + children_attached = 0 '\0', + reginfo = { + join_tab = 0x0, + lock_type = TL_READ, + not_exists_optimize = false, + impossible_range = false + }, + mem_root = { + free = 0x1057a18, + used = 0x1057e18, + pre_alloc = 0x0, + min_malloc = 32, + block_size = 968, + block_num = 6, + first_block_usage = 0, + error_handler = 0x827c4 <sql_alloc_error_handler> + }, + grant = { + grant_table = 0x0, + version = 0, + privilege = 1, + want_privilege = 0, + orig_want_privilege = 1 + }, + sort = { + io_cache = 0x0, + sort_keys = 0x0, + buffpek = 0x0, + buffpek_len = 0, + addon_buf = 0x0, + addon_length = 0, + addon_field = 0x0, + unpack = 0, + record_pointers = 0x0, + found_records = 0 + } +} +(gdb) record = {0x1057e28 "\003", 0x1058090 '' <repeats 200 times>...}, +Undefined command: "record". Try "help". +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4593 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4992 +(gdb) +(gdb) +(gdb) s +mysql_handle_derived (lex=0x1028680, processor=0x29b3bc <mysql_derived_prepare(THD*, st_lex*, TABLE_LIST*)>) at sql_derived.cc:44 +(gdb) where +#0 mysql_handle_derived (lex=0x1028680, processor=0x29b3bc <mysql_derived_prepare(THD*, st_lex*, TABLE_LIST*)>) at sql_derived.cc:44 +#1 0x001575d9 in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:5004 +#2 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#3 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#4 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#5 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#6 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#7 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#8 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#9 0x957f8095 in _pthread_start () +#10 0x957f7f52 in thread_start () +(gdb) p processor +$9 = (bool (*)(class THD *, LEX *, TABLE_LIST *)) 0x29b3bc <mysql_derived_prepare(THD*, st_lex*, TABLE_LIST*)> +(gdb) s +(gdb) n +(gdb) +(gdb) +(gdb) where +#0 mysql_handle_derived (lex=0x1028680, processor=0x29b3bc <mysql_derived_prepare(THD*, st_lex*, TABLE_LIST*)>) at sql_derived.cc:73 +#1 0x001575d9 in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:5004 +#2 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#3 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#4 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#5 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#6 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#7 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#8 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#9 0x957f8095 in _pthread_start () +#10 0x957f7f52 in thread_start () +(gdb) where +#0 mysql_handle_derived (lex=0x1028680, processor=0x29b3bc <mysql_derived_prepare(THD*, st_lex*, TABLE_LIST*)>) at sql_derived.cc:73 +#1 0x001575d9 in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:5004 +#2 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#3 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#4 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#5 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#6 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#7 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#8 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#9 0x957f8095 in _pthread_start () +#10 0x957f7f52 in thread_start () +(gdb) s +THD::fill_derived_tables (this=0x1027618) at sql_class.h:1958 +(gdb) n +(gdb) +open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:5009 +(gdb) +(gdb) s +open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1551 +(gdb) s +execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4949 +(gdb) n +(gdb) s +Sql_alloc::operator new (size=20) at sql_list.h:30 +(gdb) n +(gdb) s +select_send::select_send (this=0x105cfa0) at sql_class.h:2385 +(gdb) s +select_result::select_result (this=0x105cfa0) at sql_class.cc:1474 +(gdb) n +(gdb) +(gdb) +(gdb) +0x0010c0ba in select_send::select_send (this=0x105cfa0) at sql_class.h:2385 +(gdb) s +execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4981 +(gdb) b handle_select(THD*, st_lex*, select_result*, unsigned long) +Breakpoint 6 at 0x19134c: file sql_select.cc, line 241. +(gdb) s +Query_cache::store_query (this=0x5cd200, thd=0x1027618, tables_used=0x105cd58) at sql_cache.cc:1012 +(gdb) n +(gdb) +(gdb) +(gdb) +execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4982 +(gdb) s + +Breakpoint 6, handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfa0, setup_tables_done_option=0) at sql_select.cc:241 +(gdb) s +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) s +mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd58, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfa0, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2314 +(gdb) b mysql_select +Breakpoint 7 at 0x190e97: file sql_select.cc, line 2314. +(gdb) s +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +JOIN::prepare (this=0x105cfb8, rref_pointer_array=0x1028a3c, tables_init=0x105cd58, wild_num=1, conds_init=0x0, og_num=0, order_init=0x0, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x1028944, unit_arg=0x10286dc) at sql_select.cc:455 +(gdb) n +(gdb) s +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +setup_wild (thd=0x1027618, tables=0x105cd58, fields=@0x10289d8, sum_func_list=0x105e0bc, wild_num=1) at sql_base.cc:7297 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +insert_fields (thd=0x1027618, context=0x1028978, db_name=0x0, table_name=0x0, it=0xb0061778, any_privileges=false) at sql_base.cc:7703 +(gdb) s +Field_iterator_table_ref::Field_iterator_table_ref (this=0xb0061688) at table.h:1599 +(gdb) n +insert_fields (thd=0x1027618, context=0x1028978, db_name=0x0, table_name=0x0, it=0xb0061778, any_privileges=false) at sql_base.cc:7706 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) p *item +$10 = { + _vptr$Item = 0x59e3c8, + rsize = 0, + str_value = { + Ptr = 0x0, + str_length = 0, + Alloced_length = 0, + alloced = false, + str_charset = 0x5841c0 + }, + name = 0x105e220 "id", + orig_name = 0x0, + next = 0x105cf40, + max_length = 11, + name_length = 0, + marker = 0 '\0', + decimals = 0 '\0', + maybe_null = 1 '\001', + null_value = 0 '\0', + unsigned_flag = 0 '\0', + with_sum_func = 0 '\0', + fixed = 1 '\001', + is_autogenerated_name = 1 '\001', + collation = { + collation = 0x5841c0, + derivation = DERIVATION_IMPLICIT, + repertoire = 3 + }, + with_subselect = 0 '\0', + cmp_context = 4294967295 +} +(gdb) +$11 = { + _vptr$Item = 0x59e3c8, + rsize = 0, + str_value = { + Ptr = 0x0, + sr_length = 0, + Alloced_length = 0, + alloced = false, + str_charset = 0x5841c0 + }, + name = 0x105e220 "id", + orig_name = 0x0, + next = 0x105cf40, + max_length = 11, + name_length = 0, + marker = 0 '\0', + decimals = 0 '\0', + maybe_null = 1 '\001', + null_value = 0 '\0', + unsigned_flag = 0 '\0', + with_sum_func = 0 '\0', + fixed = 1 '\001', + is_autogenerated_name = 1 '\001', + collation = { + collation = 0x5841c0, + derivation = DERIVATION_IMPLICIT, + repertoire = 3 + }, + with_subselect = 0 '\0', + cmp_context = 4294967295 +} +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +setup_wild (thd=0x1027618, tables=0x105cd58, fields=@0x10289d8, sum_func_list=0x105e0bc, wild_num=1) at sql_base.cc:7342 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +JOIN::prepare (this=0x105cfb8, rref_pointer_array=0x1028a3c, tables_init=0x105cd58, wild_num=1, conds_init=0x0, og_num=0, order_init=0x0, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x1028944, unit_arg=0x10286dc) at sql_select.cc:504 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +st_select_lex::fix_prepare_information (this=0x1028944, thd=0x1027618, conds=0x105e130, having_conds=0x105dfe8) at sql_lex.cc:2842 +(gdb) n +(gdb) +JOIN::prepare (this=0x105cfb8, rref_pointer_array=0x1028a3c, tables_init=0x105cd58, wild_num=1, conds_init=0x0, og_num=0, order_init=0x0, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x1028944, unit_arg=0x10286dc) at sql_select.cc:539 +(gdb) +(gdb) s +(gdb) s +(gdb) s +(gdb) s +(gdb) s +setup_ftfuncs (select_lex=0x1028944) at sql_base.cc:8528 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +JOIN::prepare (this=0x105cfb8, rref_pointer_array=0x1028a3c, tables_init=0x105cd58, wild_num=1, conds_init=0x0, og_num=0, order_init=0x0, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x1028944, unit_arg=0x10286dc) at sql_select.cc:599 +(gdb) +(gdb) +(gdb) +(gdb) s +setup_procedure (thd=0x1027618, param=0x0, result=0x105cfa0, field_list=@0x10289d8, error=0x105e120) at procedure.cc:84 +(gdb) n +(gdb) n +(gdb) +(gdb) +(gdb) +JOIN::prepare (this=0x105cfb8, rref_pointer_array=0x1028a3c, tables_init=0x105cd58, wild_num=1, conds_init=0x0, og_num=0, order_init=0x0, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x1028944, unit_arg=0x10286dc) at sql_select.cc:614 +(gdb) p procedure +$12 = (Procedure *) 0x0 +(gdb) n +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +(gdb) s +JOIN::alloc_func_list (this=0x105cfb8) at sql_select.cc:15032 +(gdb) n +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +JOIN::prepare (this=0x105cfb8, rref_pointer_array=0x1028a3c, tables_init=0x105cd58, wild_num=1, conds_init=0x0, og_num=0, order_init=0x0, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x1028944, unit_arg=0x10286dc) at sql_select.cc:659 +(gdb) +(gdb) +mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd58, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfa0, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2364 +(gdb) l +2359 { +2360 goto err; +2361 } +2362 } +2363 +2364 if ((err= join->optimize())) +2365 { +2366 goto err; // 1 +2367 } +2368 +(gdb) b 2364 +Breakpoint 8 at 0x191148: file sql_select.cc, line 2364. +(gdb) s +JOIN::optimize (this=0x105cfb8) at sql_select.cc:765 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd58, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfa0, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2369 +(gdb) +(gdb) +(gdb) +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) c +Continuing. + +Breakpoint 5, 0x000f8318 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4935 +(gdb) +Continuing. + +Breakpoint 6, handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfb8, setup_tables_done_option=0) at sql_select.cc:241 +(gdb) +Continuing. + +Breakpoint 7, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2314 +(gdb) +Continuing. + +Breakpoint 8, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2364 +(gdb) +Continuing. + +[Switching to process 1667 thread 0x2107] + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) c +Continuing. + +Breakpoint 5, 0x000f8318 in execute_sqlcom_select (thd=0x0, all_tables=0x0) at sql_parse.cc:4935 +(gdb) detach +Detaching from program: `/usr/local/mysql-5.0.77-osx10.5-x86/libexec/mysqld', process 1667 thread 0x2107. +(gdb +(gdb) attach 1903 +Attaching to program: `/usr/local/mysql-5.0.77-osx10.5-x86/libexec/mysqld', process 1903. +Re-enabling shared library breakpoint 3 +Re-enabling shared library breakpoint 4 +Re-enabling shared library breakpoint 5 +Re-enabling shared library breakpoint 6 +Re-enabling shared library breakpoint 7 +Re-enabling shared library breakpoint 8 +0x958166f2 in select$DARWIN_EXTSN () +(gdb) c +Continuing. +[Switching to process 1903 thread 0x2203] + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) +Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) +Continuing. + +Breakpoint 5, 0x000f8318 in execute_sqlcom_select (thd=0x0, all_tables=0x0) at sql_parse.cc:4935 +(gdb) +Continuing. + +Breakpoint 6, handle_select (thd=0x1027618, lex=0x1028680, result=0x105ce00, setup_tables_done_option=0) at sql_select.cc:241 +(gdb) +Continuing. + +Breakpoint 7, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x0, wild_num=0, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105ce00, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2314 +(gdb) +Continuing. + +Breakpoint 8, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x0, wild_num=0, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105ce00, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2364 +(gdb) +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) +Continuing. + +Breakpoint 5, 0x000f8318 in execute_sqlcom_select (thd=0x1027618, all_tables=0x0) at sql_parse.cc:4935 +(gdb) +Continuing. + +Breakpoint 6, handle_select (thd=0x1027618, lex=0x1028680, result=0x105cd78, setup_tables_done_option=0) at sql_select.cc:241 +(gdb) +Continuing. + +Breakpoint 7, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x0, wild_num=0, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cd78, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2314 +(gdb) +Continuing. + +Breakpoint 8, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x0, wild_num=0, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cd78, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2364 +(gdb) +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) n +(gdb) c +Continuing. + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) +Continuing. + +Breakpoint 5, 0x000f8318 in execute_sqlcom_select (thd=0x1027618, all_tables=0x0) at sql_parse.cc:4935 +(gdb) +Continuing. + +Breakpoint 6, handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfb8, setup_tables_done_option=0) at sql_select.cc:241 +(gdb) +Continuing. + +Breakpoint 7, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2314 +(gdb) +Continuing. + +Breakpoint 8, mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2364 +(gdb) n +(gdb) where +#0 mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2369 +#1 0x00191569 in handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfb8, setup_tables_done_option=0) at sql_select.cc:268 +#2 0x000f8696 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd70) at sql_parse.cc:4982 +#3 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#4 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from students", length=22, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#5 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from students", packet_length=22) at sql_parse.cc:1216 +#6 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#7 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#8 0x957f8095 in _pthread_start () +#9 0x957f7f52 in thread_start () +(gdb) n +(gdb) +(gdb) p join +$13 = (JOIN *) 0x105cfd0 +(gdb) p *join +$14 = { + <Sql_alloc> = {<No data fields>}, + members of JOIN: + join_tab = 0x105e5d8, + best_ref = 0xb0061510, + map2table = 0x105e4d8, + join_tab_save = 0x0, + table = 0x105e5d0, + all_tables = 0x105e5d0, + sort_by_table = 0x0, + tables = 1, + const_tables = 0, + send_group_parts = 0, + sort_and_group = false, + first_record = false, + full_join = false, + group = false, + no_field_update = 143, + do_send_rows = true, + resume_nested_loop = false, + const_table_map = 0, + found_const_table_map = 0, + outer_join = 0, + send_records = 0, + found_records = 0, + examined_rows = 0, + row_limit = 4294967295, + select_limit = 4294967295, + fetch_limit = 4294967295, + positions = {{ + records_read = 3, + read_time = 2.006591796875, + table = 0x105e360, + key = 0x0, + ref_depend_map = 0 + }, { + records_read = -9.9261575707946013e-234, + read_time = -9.9261575707946013e-234, + table = 0x8f8f8f8f, + key = 0x8f8f8f8f, + ref_depend_map = 10344644715844964239 + } <repeats 61 times>}, + best_positions = {{ + records_read = 3, + read_time = 2.006591796875, + table = 0x105e360, + key = 0x0, + ref_depend_map = 0 + }, { + records_read = -9.9261575707946013e-234, + read_time = -9.9261575707946013e-234, + table = 0x8f8f8f8f, + key = 0x8f8f8f8f, + ref_depend_map = 10344644715844964239 + } <repeats 61 times>}, + cur_embedding_map = 0, + best_read = 2.6055917968750002, + fields = 0x8f8f8f8f, + group_fields = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105dfc4, + elements = 0 + }, <No data fields>}, + group_fields_cache = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105dfd0, + elements = 0 + }, <No data fields>}, + tmp_table = 0x8f8f8f8f, + exec_tmp_table1 = 0x0, + exec_tmp_table2 = 0x0, + thd = 0x1027618, + sum_funcs = 0x105e358, + sum_funcs_end = 0x105e35c, + sum_funcs2 = 0x0, + sum_funcs_end2 = 0x8f8f8f8f, + procedure = 0x0, + having = 0x0, + tmp_having = 0x0, + having_history = 0x0, + select_options = 2147764736, + result = 0x105cfb8, + tmp_table_param = { + <Sql_alloc> = {<No data fields>}, + members of TMP_TABLE_PARAM: + copy_funcs = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e01c, + elements = 0 + }, <No data fields>}, + save_copy_funcs = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e028, + elements = 0 + }, <No data fields>}, + copy_field = 0x0, + copy_field_end = 0x8f8f8f8f, + save_copy_field = 0x8f8f8f8f, + save_copy_field_end = 0x8f8f8f8f, + group_buff = 0x8f8f8f8f <Address 0x8f8f8f8f out of bounds>, + items_to_copy = 0x8f8f8f8f, + recinfo = 0x8f8f8f8f, + start_recinfo = 0x8f8f8f8f, + keyinfo = 0x8f8f8f8f, + end_write_records = 4294967295, + field_count = 2, + sum_func_count = 0, + func_count = 0, + hidden_field_count = 0, + group_parts = 0, + group_length = 0, + group_null_parts = 0, + quick_group = 1, + using_indirect_summary_function = 143, + convert_blob_length = 0, + table_charset = 0x0, + schema_table = false, + precomputed_group_by = false, + force_copy_fields = false + }, + lock = 0x9041e8, + unit = 0x10286dc, + select_lex = 0x1028944, + no_const_tables = false, + tmp_join = 0x0, + rollup = { + state = st_rollup::STATE_NONE, + null_items = 0x8f8f8f8f, + ref_pointer_arrays = 0x8f8f8f8f, + fields = 0x8f8f8f8f + }, + select_distinct = false, + group_optimized_away = false, + simple_order = true, + simple_group = true, + no_order = false, + skip_sort_order = false, + need_tmp = false, + hidden_group_fields = false, + keyuse = { + buffer = 0x0, + elements = 0, + max_element = 0, + alloc_increment = 0, + size_of_element = 0 + }, + cond_value = Item::COND_TRUE, + having_value = Item::COND_TRUE, + all_fields = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x105cd30, + last = 0x105cd30, + elements = 2 + }, <No data fields>}, + tmp_all_fields1 = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e0e0, + elements = 0 + }, <No data fields>}, + tmp_all_fields2 = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e0ec, + elements = 0 + }, <No data fields>}, + tmp_all_fields3 = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e0f8, + elements = 0 + }, <No data fields>}, + tmp_fields_list1 = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e104, + elements = 0 + }, <No data fields>}, + tmp_fields_list2 = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e110, + elements = 0 + }, <No data fields>}, + tmp_fields_list3 = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e11c, + elements = 0 + }, <No data fields>}, + fields_list = @0x10289d8, + procedure_fields_list = { + <base_list> = { + <Sql_alloc> = {<No data fields>}, + members of base_list: + first = 0x5cd108, + last = 0x105e12c, + elements = 0 + }, <No data fields>}, + error = 0, + order = 0x0, + group_list = 0x0, + proc_param = 0x0, + conds = 0x0, + conds_history = 0x8f8f8f8f, + tables_list = 0x105cd70, + join_list = 0x1028a08, + cond_equal = 0x0, + select = 0x105e750, + return_tab = 0x0, + ref_pointer_array = 0x105e308, + items0 = 0x0, + items1 = 0x0, + items2 = 0x0, + items3 = 0x0, + current_ref_pointer_array = 0x8f8f8f8f, + ref_pointer_array_size = 8, + zero_result_cause = 0x0, + union_part = false, + optimized = true, + sortorder = 0x0, + table_reexec = {0x0}, + join_tab_reexec = 0x0 +} +(gdb) s +JOIN::exec (this=0x105cfd0) at sql_select.cc:1643 +(gdb) +(gdb) +_db_enter_ (_func_=0x3ea336 "JOIN::exec", _file_=0x3e925e "sql_select.cc", _line_=1645, _sfunc_=0xb0061838, _sfile_=0xb0061834, _slevel_=0xb0061830, _sframep_=0xb006182c) at dbug.c:965 +(gdb) finish +Run till exit from #0 _db_enter_ (_func_=0x3ea336 "JOIN::exec", _file_=0x3e925e "sql_select.cc", _line_=1645, _sfunc_=0xb0061838, _sfile_=0xb0061834, _slevel_=0xb0061830, _sframep_=0xb006182c) at dbug.c:965 +Current language: auto; currently c +JOIN::exec (this=0x105cfd0) at sql_select.cc:1647 +(gdb) n +Current language: auto; currently c++ +(gdb) +(gdb) +(gdb) s +select_result::prepare2 (this=0x105cfb8) at sql_class.h:2320 +(gdb) +JOIN::exec (this=0x105cfd0) at sql_select.cc:1662 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +THD::is_error (this=0x1027618) at sql_class.h:2027 +(gdb) +Diagnostics_area::is_error (this=0x1028368) at sql_class.h:1114 +(gdb) +0x0010beca in THD::is_error (this=0x1027618) at sql_class.h:2027 +(gdb) +JOIN::exec (this=0x105cfd0) at sql_select.cc:2169 +(gdb) +(gdb) +(gdb) b read +Breakpoint 9 at 0x957c7bc4 +Breakpoint 10 at 0x957eaed0 +Note: breakpoint 9 also set at pc 0x957c7bc4. +Breakpoint 11 at 0x957c7bc4 +warning: Multiple breakpoints were set. +Use the "delete" command to delete unwanted breakpoints. +(gdb) s +(gdb) +JOIN::is_top_level_join (this=0x105cfd0) at sql_select.h:530 +(gdb) +(gdb) +JOIN::exec (this=0x105cfd0) at sql_select.cc:2194 +(gdb) n +(gdb) +(gdb) +(gdb) s +do_select (join=0x105cfd0, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10807 +(gdb) s +(gdb) s +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +setup_end_select_func (join=0x105cfd0) at sql_select.cc:10734 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +do_select (join=0x105cfd0, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10827 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +sub_select (join=0x105cfd0, join_tab=0x105e5d8, end_of_records=false) at sql_select.cc:11072 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +join_init_read_record (tab=0x105e5d8) at sql_select.cc:11776 +(gdb) +(gdb) +init_read_record (info=0x105e618, thd=0x1027618, table=0x1024218, select=0x105e878, use_record_cache=1, print_error=true, disable_rr_cache=false) at records.cc:164 +(gdb) +_db_enter_ (_func_=0x3f8301 "init_read_record", _file_=0x3f82c4 "records.cc", _line_=164, _sfunc_=0xb0061628, _sfile_=0xb0061624, _slevel_=0xb0061620, _sframep_=0xb006161c) at dbug.c:965 +(gdb) finish +Run till exit from #0 _db_enter_ (_func_=0x3f8301 "init_read_record", _file_=0x3f82c4 "records.cc", _line_=164, _sfunc_=0xb0061628, _sfile_=0xb0061624, _slevel_=0xb0061620, _sframep_=0xb006161c) at dbug.c:965 +Current language: auto; currently c +init_read_record (info=0x105e618, thd=0x1027618, table=0x1024218, select=0x105e878, use_record_cache=1, print_error=true, disable_rr_cache=false) at records.cc:166 +(gdb) n +Current language: auto; currently c++ +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +_db_pargs_ (_line_=251, keyword=0x3cc984 "info") at dbug.c:1108 +(gdb) +Current language: auto; currently c +(gdb) +code_state () at dbug.c:329 +(gdb) +(gdb) finish +Run till exit from #0 code_state () at dbug.c:332 +0x0039e4c3 in _db_pargs_ (_line_=251, keyword=0x3cc984 "info") at dbug.c:1109 +Value returned is $15 = (CODE_STATE *) 0x902680 +(gdb) s +(gdb) +(gdb) +(gdb) +_db_doprnt_ (format=0x3f8362 "using rr_sequential") at dbug.c:1145 +(gdb) +(gdb) +code_state () at dbug.c:329 +(gdb) +(gdb) finish +Run till exit from #0 code_state () at dbug.c:332 +0x0039e4ff in _db_doprnt_ (format=0x3f8362 "using rr_sequential") at dbug.c:1146 +Value returned is $16 = (CODE_STATE *) 0x902680 +(gdb) finish +Run till exit from #0 0x0039e4ff in _db_doprnt_ (format=0x3f8362 "using rr_sequential") at dbug.c:1146 +init_read_record (info=0x105e618, thd=0x1027618, table=0x1024218, select=0x105e878, use_record_cache=1, print_error=true, disable_rr_cache=false) at records.cc:252 +(gdb) s +Current language: auto; currently c++ +(gdb) +handler::ha_rnd_init (this=0x1057628, scan=true) at handler.h:1183 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +init_read_record (info=0x105e618, thd=0x1027618, table=0x1024218, select=0x105e878, use_record_cache=1, print_error=true, disable_rr_cache=false) at records.cc:255 +(gdb) s +(gdb) +ha_myisam::extra_opt (this=0x1057628, operation=HA_EXTRA_CACHE, cache_size=262144) at ha_myisam.cc:1806 +(gdb) s +(gdb) +mi_extra (info=0x1058018, function=HA_EXTRA_CACHE, extra_arg=0xb00615a8) at mi_extra.c:42 +(gdb) s +Current language: auto; currently c +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +init_io_cache (info=0x105816c, file=21, cachesize=28, type=READ_CACHE, seek_offset=0, use_async_io=1 '\001', cache_myflags=32) at mf_iocache.c:161 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +my_tell (fd=21, MyFlags=0) at my_seek.c:89 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +init_io_cache (info=0x105816c, file=21, cachesize=28, type=READ_CACHE, seek_offset=0, use_async_io=1 '\001', cache_myflags=32) at mf_iocache.c:178 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +(gdb) +my_seek (fd=21, pos=0, whence=2, MyFlags=0) at my_seek.c:49 +(gdb) +_db_enter_ (_func_=0x414dca "my_seek", _file_=0x414dc0 "my_seek.c", _line_=49, _sfunc_=0xb00613cc, _sfile_=0xb00613c8, _slevel_=0xb00613c4, _sframep_=0xb00613c0) at dbug.c:965 +(gdb) finish +Run till exit from #0 _db_enter_ (_func_=0x414dca "my_seek", _file_=0x414dc0 "my_seek.c", _line_=49, _sfunc_=0xb00613cc, _sfile_=0xb00613c8, _slevel_=0xb00613c4, _sframep_=0xb00613c0) at dbug.c:965 +my_seek (fd=21, pos=0, whence=2, MyFlags=0) at my_seek.c:50 +(gdb) finish +Run till exit from #0 my_seek (fd=21, pos=0, whence=2, MyFlags=0) at my_seek.c:50 +0x00374c88 in init_io_cache (info=0x105816c, file=21, cachesize=28, type=READ_CACHE, seek_offset=0, use_async_io=1 '\001', cache_myflags=32) at mf_iocache.c:209 +Value returned is $17 = 27 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) s +(gdb) +(gdb) +(gdb) n +(gdb) +(gdb) +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +init_functions (info=0x105816c) at mf_iocache.c:104 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +setup_io_cache (info=0x105816c) at mf_iocache.c:88 +(gdb) where +#0 setup_io_cache (info=0x105816c) at mf_iocache.c:88 +#1 0x003749e0 in init_functions (info=0x105816c) at mf_iocache.c:128 +#2 0x00374fdf in init_io_cache (info=0x105816c, file=21, cachesize=16384, type=READ_CACHE, seek_offset=0, use_async_io=1 '\001', cache_myflags=32) at mf_iocache.c:283 +#3 0x003048c0 in mi_extra (info=0x1058018, function=HA_EXTRA_CACHE, extra_arg=0xb00615a8) at mi_extra.c:101 +#4 0x0034dbdb in ha_myisam::extra_opt (this=0x1057628, operation=HA_EXTRA_CACHE, cache_size=262144) at ha_myisam.cc:1808 +#5 0x002225d0 in init_read_record (info=0x105e618, thd=0x1027618, table=0x1024218, select=0x105e878, use_record_cache=1, print_error=true, disable_rr_cache=false) at records.cc:261 +#6 0x0017cc1c in join_init_read_record (tab=0x105e5d8) at sql_select.cc:11779 +#7 0x0017976d in sub_select (join=0x105cfd0, join_tab=0x105e5d8, end_of_records=false) at sql_select.cc:11108 +#8 0x00179b54 in do_select (join=0x105cfd0, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10865 +#9 0x00190d58 in JOIN::exec (this=0x105cfd0) at sql_select.cc:2199 +#10 0x001911e3 in mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2378 +#11 0x00191569 in handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfb8, setup_tables_done_option=0) at sql_select.cc:268 +#12 0x000f8696 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd70) at sql_parse.cc:4982 +#13 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#14 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from students", length=22, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#15 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "", packet_length=22) at sql_parse.cc:1216 +#16 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#17 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#18 0x957f8095 in _pthread_start () +#19 0x957f7f52 in thread_start () +(gdb) s +(gdb) +(gdb) +(gdb) +init_functions (info=0x105816c) at mf_iocache.c:129 +(gdb) +init_io_cache (info=0x105816c, file=21, cachesize=16384, type=READ_CACHE, seek_offset=0, use_async_io=1 '\001', cache_myflags=32) at mf_iocache.c:293 +(gdb) +_db_return_ (_line_=293, _sfunc_=0xb0061460, _sfile_=0xb006145c, _slevel_=0xb0061458) at dbug.c:1040 +(gdb) finish +Run till exit from #0 _db_return_ (_line_=293, _sfunc_=0xb0061460, _sfile_=0xb006145c, _slevel_=0xb0061458) at dbug.c:1040 +0x00375000 in init_io_cache (info=0x105816c, file=21, cachesize=16384, type=READ_CACHE, seek_offset=0, use_async_io=1 '\001', cache_myflags=32) at mf_iocache.c:293 +(gdb) s +(gdb) +mi_extra (info=0x1058018, function=HA_EXTRA_CACHE, extra_arg=0xb00615a8) at mi_extra.c:107 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) +ha_myisam::extra_opt (this=0x1057628, operation=HA_EXTRA_CACHE, cache_size=262144) at ha_myisam.cc:1809 +(gdb) s +Current language: auto; currently c++ +init_read_record (info=0x105e618, thd=0x1027618, table=0x1024218, select=0x105e878, use_record_cache=1, print_error=true, disable_rr_cache=false) at records.cc:265 +(gdb) +(gdb) +_db_return_ (_line_=271, _sfunc_=0xb0061628, _sfile_=0xb0061624, _slevel_=0xb0061620) at dbug.c:1040 +(gdb) finish +Run till exit from #0 _db_return_ (_line_=271, _sfunc_=0xb0061628, _sfile_=0xb0061624, _slevel_=0xb0061620) at dbug.c:1040 +Current language: auto; currently c +init_read_record (info=0x105e618, thd=0x1027618, table=0x1024218, select=0x105e878, use_record_cache=1, print_error=true, disable_rr_cache=false) at records.cc:272 +(gdb) s +Current language: auto; currently c++ +join_init_read_record (tab=0x105e5d8) at sql_select.cc:11780 +(gdb) +rr_sequential (info=0x105e618) at records.cc:381 +(gdb) where +#0 rr_sequential (info=0x105e618) at records.cc:381 +#1 0x0017cc2d in join_init_read_record (tab=0x105e5d8) at sql_select.cc:11780 +#2 0x0017976d in sub_select (join=0x105cfd0, join_tab=0x105e5d8, end_of_records=false) at sql_select.cc:11108 +#3 0x00179b54 in do_select (join=0x105cfd0, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10865 +#4 0x00190d58 in JOIN::exec (this=0x105cfd0) at sql_select.cc:2199 +#5 0x001911e3 in mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2378 +#6 0x00191569 in handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfb8, setup_tables_done_option=0) at sql_select.cc:268 +#7 0x000f8696 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd70) at sql_parse.cc:4982 +#8 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#9 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from students", length=22, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#10 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "", packet_length=22) at sql_parse.cc:1216 +#11 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#12 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#13 0x957f8095 in _pthread_start () +#14 0x957f7f52 in thread_start () +(gdb) s +ha_myisam::rnd_next (this=0x1057628, buf=0x1057730 "") at ha_myisam.cc:1695 +(gdb) +handler::ha_statistic_increment (this=0x1057628, offset=not implemented: member type in c_val_print +) at handler.cc:2001 +(gdb) +(gdb) +ha_myisam::rnd_next (this=0x1057628, buf=0x1057730 "") at ha_myisam.cc:1696 +(gdb) +mi_scan (info=0x1058018, buf=0x1057730 "") at mi_scan.c:41 +(gdb) +Current language: auto; currently c +_db_enter_ (_func_=0x40f1b1 "mi_scan", _file_=0x40f19a "mi_scan.c", _line_=41, _sfunc_=0xb00615bc, _sfile_=0xb00615b8, _slevel_=0xb00615b4, _sframep_=0xb00615b0) at dbug.c:965 +(gdb) finish +Run till exit from #0 _db_enter_ (_func_=0x40f1b1 "mi_scan", _file_=0x40f19a "mi_scan.c", _line_=41, _sfunc_=0xb00615bc, _sfile_=0xb00615b8, _slevel_=0xb00615b4, _sframep_=0xb00615b0) at dbug.c:965 +mi_scan (info=0x1058018, buf=0x1057730 "") at mi_scan.c:43 +(gdb) s +(gdb) +_db_return_ (_line_=44, _sfunc_=0xb00615bc, _sfile_=0xb00615b8, _slevel_=0xb00615b4) at dbug.c:1040 +(gdb) +(gdb) +(gdb) s +code_state () at dbug.c:329 +(gdb) n +(gdb) finish +Run till exit from #0 code_state () at dbug.c:332 +0x0039e30b in _db_return_ (_line_=44, _sfunc_=0xb00615bc, _sfile_=0xb00615b8, _slevel_=0xb00615b4) at dbug.c:1042 +Value returned is $18 = (CODE_STATE *) 0x902680 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +(gdb) +(gdb) +_mi_read_rnd_static_record (info=0x1058018, buf=0x1057730 "", filepos=0, skip_deleted_blocks=1 '\001') at mi_statrec.c:208 +(gdb) n +(gdb) +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +_my_b_read (info=0x105816c, Buffer=0x1057730 "", Count=9) at mf_iocache.c:458 +(gdb) s +_db_enter_ (_func_=0x416956 "_my_b_read", _file_=0x4167e6 "mf_iocache.c", _line_=458, _sfunc_=0xb006148c, _sfile_=0xb0061488, _slevel_=0xb0061484, _sframep_=0xb0061480) at dbug.c:965 +(gdb) +(gdb) n +(gdb) +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +DoTrace (cs=0x902680) at dbug.c:1557 +(gdb) finish +Run till exit from #0 DoTrace (cs=0x902680) at dbug.c:1557 +0x0039e201 in _db_enter_ (_func_=0x416956 "_my_b_read", _file_=0x4167e6 "mf_iocache.c", _line_=458, _sfunc_=0xb006148c, _sfile_=0xb0061488, _slevel_=0xb0061484, _sframep_=0xb0061480) at dbug.c:997 +Value returned is $19 = 0 +(gdb) n +(gdb) s +(gdb) +(gdb) +_my_b_read (info=0x105816c, Buffer=0x1057730 "", Count=9) at mf_iocache.c:460 +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) p info->file +$20 = 21 +(gdb) p *info +$21 = { + pos_in_file = 0, + end_of_file = 27, + read_pos = 0x89a018 "", + read_end = 0x89a018 "", + buffer = 0x89a018 "", + request_pos = 0x89a018 "", + write_buffer = 0x89a018 "", + append_read_pos = 0x0, + write_pos = 0x89a018 "", + write_end = 0x0, + current_pos = 0x105817c, + current_end = 0x1058180, + append_buffer_lock = { + global = { + __sig = 0, + __opaque = '\0' <repeats 39 times> + }, + mutex = { + __sig = 0, + __opaque = '\0' <repeats 39 times> + }, + file = 0x0, + line = 0, + count = 0, + thread = 0x0 + }, + share = 0x0, + read_function = 0x37542e <_my_b_read>, + write_function = 0x377286 <_my_b_write>, + type = READ_CACHE, + pre_read = 0, + post_read = 0, + pre_close = 0, + disk_writes = 0, + arg = 0x0, + file_name = 0x0, + dir = 0x0, + prefix = 0x0, + file = 21, + seek_not_done = 0, + error = 0, + buffer_length = 16384, + read_length = 16384, + myflags = 32, + alloced_buffer = 1 '\001' +} +(gdb) s +my_read (Filedes=21, Buffer=0x89a018 "", Count=27, MyFlags=32) at my_read.c:39 +(gdb) where +#0 my_read (Filedes=21, Buffer=0x89a018 "", Count=27, MyFlags=32) at my_read.c:39 +#1 0x00375897 in _my_b_read (info=0x105816c, Buffer=0x1057730 "", Count=9) at mf_iocache.c:535 +#2 0x003122b1 in _mi_read_rnd_static_record (info=0x1058018, buf=0x1057730 "", filepos=0, skip_deleted_blocks=1 '\001') at mi_statrec.c:277 +#3 0x00310cff in mi_scan (info=0x1058018, buf=0x1057730 "") at mi_scan.c:44 +#4 0x0034d642 in ha_myisam::rnd_next (this=0x1057628, buf=0x1057730 "") at ha_myisam.cc:1696 +#5 0x0022290e in rr_sequential (info=0x105e618) at records.cc:381 +#6 0x0017cc2d in join_init_read_record (tab=0x105e5d8) at sql_select.cc:11780 +#7 0x0017976d in sub_select (join=0x105cfd0, join_tab=0x105e5d8, end_of_records=false) at sql_select.cc:11108 +#8 0x00179b54 in do_select (join=0x105cfd0, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10865 +#9 0x00190d58 in JOIN::exec (this=0x105cfd0) at sql_select.cc:2199 +#10 0x001911e3 in mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd70, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfb8, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2378 +#11 0x00191569 in handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfb8, setup_tables_done_option=0) at sql_select.cc:268 +#12 0x000f8696 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd70) at sql_parse.cc:4982 +#13 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#14 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from students", length=22, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#15 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "", packet_length=22) at sql_parse.cc:1216 +#16 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#17 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#18 0x957f8095 in _pthread_start () +#19 0x957f7f52 in thread_start () +(gdb) s +_db_enter_ (_func_=0x414e7a "my_read", _file_=0x414e70 "my_read.c", _line_=39, _sfunc_=0xb0061414, _sfile_=0xb0061410, _slevel_=0xb006140c, _sframep_=0xb0061408) at dbug.c:965 +(gdb) finish +Run till exit from #0 _db_enter_ (_func_=0x414e7a "my_read", _file_=0x414e70 "my_read.c", _line_=39, _sfunc_=0xb0061414, _sfile_=0xb0061410, _slevel_=0xb006140c, _sframep_=0xb0061408) at dbug.c:965 +my_read (Filedes=21, Buffer=0x89a018 "", Count=27, MyFlags=32) at my_read.c:40 +(gdb) n +(gdb) s +(gdb) +(gdb) n + +Breakpoint 10, 0x957eaed0 in read$UNIX2003 () +(gdb) +Single stepping until exit from function read$UNIX2003, +which has no line number information. +0x957c7a14 in _sysenter_trap () +(gdb) finish +Run till exit from #0 0x957c7a14 in _sysenter_trap () + +Breakpoint 10, 0x957eaed0 in read$UNIX2003 () +(gdb) n +Single stepping until exit from function read$UNIX2003, +which has no line number information. +0x957c7a14 in _sysenter_trap () +(gdb) d 10 +(gdb) n +Single stepping until exit from function _sysenter_trap, +which has no line number information. +0x957eaedc in read$UNIX2003 () +(gdb) finish +Run till exit from #0 0x957eaedc in read$UNIX2003 () +0x003687ba in vio_read (vio=0x903688, buf=0x1054418 "\001", size=4) at viosocket.c:44 +(gdb) b myread +Function "myread" not defined. +Make breakpoint pending on future shared library load? (y or [n]) n +(gdb) b my_read +Breakpoint 12 at 0x36b662: file my_read.c, line 39. +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. +Current language: auto; currently c++ + +Breakpoint 4, mysql_execute_command (thd=0x1027618) at sql_parse.cc:1961 +(gdb) +Continuing. + +Breakpoint 5, 0x000f8318 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd70) at sql_parse.cc:4935 +(gdb) +Continuing. + +Breakpoint 12, my_read (Filedes=22, Buffer=0xb0060c40 "}\034 ⏀&", Count=64, MyFlags=4) at my_read.c:39 +(gdb) +Continuing. +Current language: auto; currently c + +Breakpoint 12, my_read (Filedes=22, Buffer=0x904108 "h4z\025", '' <repeats 13 times>, "\003", Count=7, MyFlags=4) at my_read.c:39 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +get_form_pos (file=22, head=0xb0060c40 "\001\n\t\003", save_names=0x0) at table.cc:2058 +(gdb) p buf +$22 = (uchar *) 0x904108 "//" +Current language: auto; currently c++ +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +open_binary_frm (thd=0x1027618, share=0x1058a28, head=0xb0060c40 "\001\n\t\003", file=22) at table.cc:692 +(gdb) +(gdb) where +#0 open_binary_frm (thd=0x1027618, share=0x1058a28, head=0xb0060c40 "\001\n\t\003", file=22) at table.cc:699 +#1 0x0015f330 in open_table_def (thd=0x1027618, share=0x1058a28, db_flags=8192) at table.cc:630 +#2 0x00145984 in get_table_share (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:377 +#3 0x00145e38 in get_table_share_with_create (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:456 +#4 0x001531cc in open_unireg_entry (thd=0x1027618, entry=0x1058418, table_list=0x105cd58, alias=0x105cd50 "class", cache_key=0xb00616dd "takushi", cache_key_length=14, mem_root=0xb0061904, flags=0) at sql_base.cc:3864 +#5 0x001560bb in open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2934 +#6 0x00156c43 in open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4586 +#7 0x001574bc in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4989 +#8 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#9 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#10 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#11 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#12 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#13 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#14 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#15 0x957f8095 in _pthread_start () +#16 0x957f7f52 in thread_start () +(gd +#0 open_binary_frm (thd=0x1027618, share=0x1058a28, head=0xb0060c40 "\001\n\t\003", file=22) at table.cc:699 +#1 0x0015f330 in open_table_def (thd=0x1027618, share=0x1058a28, db_flags=8192) at table.cc:630 +#2 0x00145984 in get_table_share (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:377 +#3 0x00145e38 in get_table_share_with_create (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:456 +#4 0x001531cc in open_unireg_entry (thd=0x1027618, entry=0x1058418, table_list=0x105cd58, alias=0x105cd50 "class", cache_key=0xb00616dd "takushi", cache_key_length=14, mem_root=0xb0061904, flags=0) at sql_base.cc:3864 +#5 0x001560bb in open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2934 +#6 0x00156c43 in open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4586 +#7 0x001574bc in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4989 +#8 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#9 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#10 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#11 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#12 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#13 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#14 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#15 0x957f8095 in _pthread_start () +#16 0x957f7f52 in thread_start () +(gdb) info breakpoints +Num Type Disp Enb Address What +3 breakpoint keep y 0x001087f3 in parse_sql(THD*, Parser_state*, Object_creation_ctx*) at sql_parse.cc:7751 + breakpoint already hit 10 times +4 breakpoint keep y 0x000fe592 in mysql_execute_command(THD*) at sql_parse.cc:1961 + breakpoint already hit 9 times +5 breakpoint keep y 0x000f8318 in execute_sqlcom_select at sql_parse.cc:4935 + breakpoint already hit 7 times +6 breakpoint keep y 0x0019134c in handle_select(THD*, st_lex*, select_result*, unsigned long) at sql_select.cc:241 + breakpoint already hit 5 times +7 breakpoint keep y 0x00190e97 in mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) at sql_select.cc:2314 + breakpoint already hit 4 times +8 breakpoint keep y 0x00191148 in mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) at sql_select.cc:2364 + breakpoint already hit 4 times +9 breakpoint keep y 0x957c7bc4 <read$NOCANCEL$UNIX2003> +11 breakpoint keep y 0x957c7bc4 <read$NOCANCEL$UNIX2003> +12 breakpoint keep y 0x0036b662 in my_read at my_read.c:39 + breakpoint already hit 2 times +(gdb) d 9 11 +(gdb) d 8 +(gdb) d 7 +(gdb) info breakpoints +Num Type Disp Enb Address What +3 breakpoint keep y 0x001087f3 in parse_sql(THD*, Parser_state*, Object_creation_ctx*) at sql_parse.cc:7751 + breakpoint already hit 10 times +4 breakpoint keep y 0x000fe592 in mysql_execute_command(THD*) at sql_parse.cc:1961 + breakpoint already hit 9 times +5 breakpoint keep y 0x000f8318 in execute_sqlcom_select at sql_parse.cc:4935 + breakpoint already hit 7 times +6 breakpoint keep y 0x0019134c in handle_select(THD*, st_lex*, select_result*, unsigned long) at sql_select.cc:241 + breakpoint already hit 5 times +12 breakpoint keep y 0x0036b662 in my_read at my_read.c:39 + breakpoint already hit 2 times +(gdb) d 4 5 6 +(gdb) c +Continuing. + +Breakpoint 12, my_read (Filedes=22, Buffer=0x904108 "h4z\025", '' <repeats 11 times>, "\003", Count=8, MyFlags=4) at my_read.c:39 +(gdb) where +#0 my_read (Filedes=22, Buffer=0x904108 "h4z\025", '' <repeats 11 times>, "\003", Count=8, MyFlags=4) at my_read.c:39 +#1 0x0015a52d in read_string (file=22, to=0xb0060890, length=8) at table.cc:2090 +#2 0x0015c4dd in open_binary_frm (thd=0x1027618, share=0x1058a28, head=0xb0060c40 "\001\n\t\003", file=22) at table.cc:757 +#3 0x0015f330 in open_table_def (thd=0x1027618, share=0x1058a28, db_flags=8192) at table.cc:630 +#4 0x00145984 in get_table_share (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:377 +#5 0x00145e38 in get_table_share_with_create (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:456 +#6 0x001531cc in open_unireg_entry (thd=0x1027618, entry=0x1058418, table_list=0x105cd58, alias=0x105cd50 "class", cache_key=0xb00616dd "takushi", cache_key_length=14, mem_root=0xb0061904, flags=0) at sql_base.cc:3864 +#7 0x001560bb in open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2934 +#8 0x00156c43 in open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4586 +#9 0x001574bc in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4989 +#10 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#11 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#12 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#13 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#14 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#15 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#16 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#17 0x957f8095 in _pthread_start () +#18 0x957f7f52 in thread_start () +Current language: auto; currently c +(gdb) c +Continuing. + +Breakpoint 12, my_read (Filedes=22, Buffer=0xb0060c40 "\001\n\t\003", Count=288, MyFlags=4) at my_read.c:39 +(gdb) where +#0 my_read (Filedes=22, Buffer=0xb0060c40 "\001\n\t\003", Count=288, MyFlags=4) at my_read.c:39 +#1 0x0015d235 in open_binary_frm (thd=0x1027618, share=0x1058a28, head=0xb0060c40 "\001\n\t\003", file=22) at table.cc:1024 +#2 0x0015f330 in open_table_def (thd=0x1027618, share=0x1058a28, db_flags=8192) at table.cc:630 +#3 0x00145984 in get_table_share (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:377 +#4 0x00145e38 in get_table_share_with_create (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:456 +#5 0x001531cc in open_unireg_entry (thd=0x1027618, entry=0x1058418, table_list=0x105cd58, alias=0x105cd50 "class", cache_key=0xb00616dd "takushi", cache_key_length=14, mem_root=0xb0061904, flags=0) at sql_base.cc:3864 +#6 0x001560bb in open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2934 +#7 0x00156c43 in open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4586 +#8 0x001574bc in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4989 +#9 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#10 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#11 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#12 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#13 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#14 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#15 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#16 0x957f8095 in _pthread_start () +#17 0x957f7f52 in thread_start () +(gdb) c +Continuing. + +Breakpoint 12, my_read (Filedes=22, Buffer=0x904228 '' <repeats 143 times>, "h4z\025", Count=142, MyFlags=4) at my_read.c:39 +(gdb) where +#0 my_read (Filedes=22, Buffer=0x904228 '' <repeats 143 times>, "h4z\025", Count=142, MyFlags=4) at my_read.c:39 +#1 0x0015a52d in read_string (file=22, to=0xb0060890, length=142) at table.cc:2090 +#2 0x0015d46a in open_binary_frm (thd=0x1027618, share=0x1058a28, head=0xb0060c40 "\001", file=22) at table.cc:1061 +#3 0x0015f330 in open_table_def (thd=0x1027618, share=0x1058a28, db_flags=8192) at table.cc:630 +#4 0x00145984 in get_table_share (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:377 +#5 0x00145e38 in get_table_share_with_create (thd=0x1027618, table_list=0x105cd58, key=0xb00616dd "takushi", key_length=14, db_flags=8192, error=0xb0060ed8) at sql_base.cc:456 +#6 0x001531cc in open_unireg_entry (thd=0x1027618, entry=0x1058418, table_list=0x105cd58, alias=0x105cd50 "class", cache_key=0xb00616dd "takushi", cache_key_length=14, mem_root=0xb0061904, flags=0) at sql_base.cc:3864 +#7 0x001560bb in open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2934 +#8 0x00156c43 in open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4586 +#9 0x001574bc in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4989 +#10 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#11 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#12 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#13 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#14 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#15 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#16 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#17 0x957f8095 in _pthread_start () +#18 0x957f7f52 in thread_start () +(gdb) c +Continuing. + +Breakpoint 12, my_read (Filedes=22, Buffer=0xb005fdcc "", Count=24, MyFlags=4) at my_read.c:39 +(gdb) where +#0 my_read (Filedes=22, Buffer=0xb005fdcc "", Count=24, MyFlags=4) at my_read.c:39 +#1 0x002fdd45 in mi_open (name=0x1058c90 "./takushi/class", mode=2, open_flags=66) at mi_open.c:132 +#2 0x0034a068 in ha_myisam::open (this=0x1064228, name=0x1058c90 "./takushi/class", mode=2, test_if_locked=2) at ha_myisam.cc:660 +#3 0x0022b184 in handler::ha_open (this=0x1064228, table_arg=0x1058418, name=0x1058c90 "./takushi/class", mode=2, test_if_locked=2) at handler.cc:2037 +#4 0x0015be4f in open_table_from_share (thd=0x1027618, share=0x1058a28, alias=0x105cd50 "class", db_stat=39, prgflag=44, ha_open_flags=0, outparam=0x1058418, is_create_table=false) at table.cc:1873 +#5 0x0015340c in open_unireg_entry (thd=0x1027618, entry=0x1058418, table_list=0x105cd58, alias=0x105cd50 "class", cache_key=0xb00616dd "takushi", cache_key_length=14, mem_root=0xb0061904, flags=0) at sql_base.cc:3920 +#6 0x001560bb in open_table (thd=0x1027618, table_list=0x105cd58, mem_root=0xb0061904, refresh=0xb0061947, flags=0) at sql_base.cc:2934 +#7 0x00156c43 in open_tables (thd=0x1027618, start=0xb00619d4, counter=0xb00619b8, flags=0) at sql_base.cc:4586 +#8 0x001574bc in open_and_lock_tables_derived (thd=0x1027618, tables=0x105cd58, derived=true) at sql_base.cc:4989 +#9 0x0010c1a8 in open_and_lock_tables (thd=0x1027618, tables=0x105cd58) at mysql_priv.h:1550 +#10 0x000f83f0 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4947 +#11 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#12 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#13 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "select * from class", packet_length=19) at sql_parse.cc:1216 +#14 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#15 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#16 0x957f8095 in _pthread_start () +#17 0x957f7f52 in thread_start () +(gdb) up +#1 0x002fdd45 in mi_open (name=0x1058c90 "./takushi/class", mode=2, open_flags=66) at mi_open.c:132 +(gdb) c +Continuing. + +Breakpoint 12, my_read (Filedes=22, Buffer=0xb005b2d0 "\004]", Count=304, MyFlags=4) at my_read.c:39 +(gdb) up +#1 0x002fe134 in mi_open (name=0x1058c90 "./takushi/class", mode=2, open_flags=66) at mi_open.c:194 +(gdb) c +Continuing. + +Breakpoint 12, my_read (Filedes=23, Buffer=0x89a018 "", Count=72, MyFlags=32) at my_read.c:39 +(gdb) up +#1 0x00375897 in _my_b_read (info=0x106536c, Buffer=0xb0061508 "8\025\006\0339", Count=20) at mf_iocache.c:535 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) finish +Run till exit from #0 my_read (Filedes=23, Buffer=0x89a018 "\001", Count=72, MyFlags=32) at my_read.c:83 +0x00375897 in _my_b_read (info=0x106536c, Buffer=0xb0061508 "8\025\006\0339", Count=20) at mf_iocache.c:535 +Value returned is $23 = 72 +(gdb) p info->buf +There is no member named buf. +(gdb) p info->buffer +$24 = (uchar *) 0x89a018 "\001" +(gdb) x/40x info->buffer +0x89a018: 0x00150001 0x000001f8 0x6f6b0600 0x31696775 +0x89a028: 0x6e696b07 0x756f796a 0x01130003 0x0002f800 +0x89a038: 0x6b060000 0x6967756f 0x72690532 0x006f746f +0x89a048: 0x02120003 0x0003f800 0x6b060000 0x6967756f +0x89a058: 0x6f680433 0x00006567 0x00000000 0x00000000 +0x89a068: 0x00000000 0x00000000 0x00000000 0x00000000 +0x89a078: 0x00000000 0x00000000 0x00000000 0x00000000 +0x89a088: 0x00000000 0x00000000 0x00000000 0x00000000 +0x89a098: 0x00000000 0x00000000 0x00000000 0x00000000 +0x89a0a8: 0x00000000 0x00000000 0x00000000 0x00000000 +(gdb) x/80c info->buffer +0x89a018: 1 '\001' 0 '\0' 21 '\025' 0 '\0' -8 '' 1 '\001' 0 '\0' 0 '\0' +0x89a020: 0 '\0' 6 '\006' 107 'k' 111 'o' 117 'u' 103 'g' 105 'i' 49 '1' +0x89a028: 7 '\a' 107 'k' 105 'i' 110 'n' 106 'j' 121 'y' 111 'o' 117 'u' +0x89a030: 3 '\003' 0 '\0' 19 '\023' 1 '\001' 0 '\0' -8 '' 2 '\002' 0 '\0' +0x89a038: 0 '\0' 0 '\0' 6 '\006' 107 'k' 111 'o' 117 'u' 103 'g' 105 'i' +0x89a040: 50 '2' 5 '\005' 105 'i' 114 'r' 111 'o' 116 't' 111 'o' 0 '\0' +0x89a048: 3 '\003' 0 '\0' 18 '\022' 2 '\002' 0 '\0' -8 '' 3 '\003' 0 '\0' +0x89a050: 0 '\0' 0 '\0' 6 '\006' 107 'k' 111 'o' 117 'u' 103 'g' 105 'i' +0x89a058: 51 '3' 4 '\004' 104 'h' 111 'o' 103 'g' 101 'e' 0 '\0' 0 '\0' +0x89a060: 0 '\0' 0 '\0' 0 '\0' 0 '\0' 0 '\0' 0 '\0' 0 '\0' 0 '\0' +(gdb) where +#0 0x00375897 in _my_b_read (info=0x106536c, Buffer=0xb0061508 "8\025\006\0339", Count=20) at mf_iocache.c:535 +#1 0x00311099 in _mi_read_cache (info=0x106536c, buff=0xb0061508 "8\025\006\0339", pos=0, length=20, flag=3) at mi_cache.c:84 +#2 0x0031bf43 in _mi_read_rnd_dynamic_record (info=0x1065218, buf=0x1064628 "", filepos=0, skip_deleted_blocks=1 '\001') at mi_dynrec.c:1746 +#3 0x00310cff in mi_scan (info=0x1065218, buf=0x1064628 "") at mi_scan.c:44 +#4 0x0034d642 in ha_myisam::rnd_next (this=0x1064228, buf=0x1064628 "") at ha_myisam.cc:1696 +#5 0x0022290e in rr_sequential (info=0x105e6b0) at records.cc:381 +#6 0x0017cc2d in join_init_read_record (tab=0x105e670) at sql_select.cc:11780 +#7 0x0017976d in sub_select (join=0x105cfb8, join_tab=0x105e670, end_of_records=false) at sql_select.cc:11108 +#8 0x00179b54 in do_select (join=0x105cfb8, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10865 +#9 0x00190d58 in JOIN::exec (this=0x105cfb8) at sql_select.cc:2199 +#10 0x001911e3 in mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd58, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfa0, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2378 +#11 0x00191569 in handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfa0, setup_tables_done_option=0) at sql_select.cc:268 +#12 0x000f8696 in execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4982 +#13 0x000ff052 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:2204 +#14 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#15 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "", packet_length=19) at sql_parse.cc:1216 +#16 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#17 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#18 0x957f8095 in _pthread_start () +#19 0x957f7f52 in thread_start () +(gdb) s +(gdb) p Buffer +$25 = (uchar *) 0xb0061508 "8\025\006\0339" +(gdb) p Count +$26 = 20 +(gdb) n +(gdb) +(gdb) +(gdb) s +(gdb) +_db_return_ (_line_=550, _sfunc_=0xb006136c, _sfile_=0xb0061368, _slevel_=0xb0061364) at dbug.c:1040 +(gdb) finish +Run till exit from #0 _db_return_ (_line_=550, _sfunc_=0xb006136c, _sfile_=0xb0061368, _slevel_=0xb0061364) at dbug.c:1040 +0x0037585c in _my_b_read (info=0x106536c, Buffer=0xb0061508 "\001", Count=20) at mf_iocache.c:550 +(gdb) s +(gdb) +_mi_read_cache (info=0x106536c, buff=0xb0061508 "\001", pos=0, length=20, flag=3) at mi_cache.c:85 +(gdb) n +(gdb) +_mi_read_rnd_dynamic_record (info=0x1065218, buf=0x1064628 "", filepos=0, skip_deleted_blocks=1 '\001') at mi_dynrec.c:1751 +(gdb) s +_mi_get_block_info (info=0xb0061508, file=-1, filepos=0) at mi_dynrec.c:1877 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +_mi_read_rnd_dynamic_record (info=0x1065218, buf=0x1064628 "", filepos=0, skip_deleted_blocks=1 '\001') at mi_dynrec.c:1763 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +(gdb) +(gdb) +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +_mi_read_cache (info=0x106536c, buff=0x1065641 "", pos=20, length=4, flag=1) at mi_cache.c:44 +(gdb) n +(gdb) s +(gdb) +(gdb) +(gdb) n +(gdb) n +(gdb) +(gdb) +(gdb) +_mi_read_rnd_dynamic_record (info=0x1065218, buf=0x1064628 "", filepos=20, skip_deleted_blocks=1 '\001') at mi_dynrec.c:1847 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) l fast_mi_writeinfo +Function "fast_mi_wrireinfo" not defined. +(gdb) l fast_mi_writeinfo +Function "fast_mi_writeinfo" not defined. +(gdb) up +#1 0x00310cff in mi_scan (info=0x1065218, buf=0x1064628 "") at mi_scan.c:44 +(gdb) down +#0 _mi_read_rnd_dynamic_record (info=0x1065218, buf=0x1064628 "", filepos=18446744073709551615, skip_deleted_blocks=0 '\0') at mi_dynrec.c:1859 +(gdb) s +_mi_rec_unpack (info=0x1065218, to=0x1064628 "", from=0x1065630 "", found_length=21) at mi_dynrec.c:1203 +(gdb) n +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +_mi_read_rnd_dynamic_record (info=0x1065218, buf=0x1064628 "\001", filepos=18446744073709551615, skip_deleted_blocks=0 '\0') at mi_dynrec.c:1861 +(gdb) +(gdb) +mi_scan (info=0x1065218, buf=0x1064628 "\001") at mi_scan.c:45 +(gdb) +ha_myisam::rnd_next (this=0x1064228, buf=0x1064628 "\001") at ha_myisam.cc:1697 +(gdb) +Current language: auto; currently c++ +(gdb) +(gdb) +rr_sequential (info=0x105e6b0) at records.cc:398 +(gdb) +(gdb) +join_init_read_record (tab=0x105e670) at sql_select.cc:11781 +(gdb) s +sub_select (join=0x105cfb8, join_tab=0x105e670, end_of_records=false) at sql_select.cc:11109 +(gdb) +evaluate_join_record (join=0x105cfb8, join_tab=0x105e670, error=0) at sql_select.cc:11140 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) +(gdb) s +end_send (join=0x105cfb8, join_tab=0x105e7e8, end_of_records=false) at sql_select.cc:11954 +(gdb) n +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +select_send::send_data (this=0x105cfa0, items=@0x10289d8) at sql_class.cc:1564 +(gdb) +(gdb) +ha_release_temporary_latches (thd=0x1027618) at handler.cc:1681 +(gdb) n +(gdb) +(gdb) +select_send::send_data (this=0x105cfa0, items=@0x10289d8) at sql_class.cc:1577 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +Item_field::send (this=0x105e180, protocol=0x1027924, buffer=0xb0061584) at item.cc:5384 +(gdb) +Protocol_text::store (this=0x1027924, field=0x1064340) at protocol.cc:915 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +dbug_tmp_use_all_columns (table=0x1058418, bitmap=0x10584a4) at table.h:1680 +(gdb) +tmp_use_all_columns (table=0x1058418, bitmap=0x10584a4) at table.h:1662 +(gdb) n +(gdb) +(gdb) +(gdb) +dbug_tmp_use_all_columns (table=0x1058418, bitmap=0x10584a4) at table.h:1684 +(gdb) +Protocol_text::store (this=0x1027924, field=0x1064340) at protocol.cc:930 +(gdb) s +Field::val_str (this=0x1064340, str=0xb00611e0) at field.h:121 +(gdb) +Field_long::val_str (this=0x1064340, val_buffer=0xb00611e0, val_ptr=0xb00611e0) at field.cc:3698 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +0x00021508 in Field::val_str (this=0x1064340, str=0xb00611e0) at field.h:121 +(gdb) s +Protocol_text::store (this=0x1027924, field=0x1064340) at protocol.cc:932 +(gdb) +(gdb) n +(gdb) s +String::charset (this=0xb00611e0) at sql_string.h:92 +(gdb) +String::length (this=0xb00611e0) at sql_string.h:93 +(gdb) +String::ptr (this=0xb00611e0) at sql_string.h:99 +(gdb) +Protocol::store_string_aux (this=0x1027924, from=0xb0060ee2 "1", length=1, fromcs=0x5841c0, tocs=0x564380) at protocol.cc:769 +(gdb) +my_charset_same (cs1=0x5841c0, cs2=0x564380) at charset.c:36 +(gdb) n +Current language: auto; currently c +(gdb) +Protocol::store_string_aux (this=0x1027924, from=0xb0060ee2 "1", length=1, fromcs=0x5841c0, tocs=0x564380) at protocol.cc:777 +(gdb) s +Current language: auto; currently c++ +Protocol::net_store_data (this=0x1027924, from=0xb0060ee2 "1", length=1) at protocol.cc:46 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +Protocol::store_string_aux (this=0x1027924, from=0xb0060ee2 "1", length=1, fromcs=0x5841c0, tocs=0x564380) at protocol.cc:778 +(gdb) +Protocol_text::store (this=0x1027924, field=0x1064340) at protocol.cc:937 +(gdb) +Item_field::send (this=0x105e180, protocol=0x1027924, buffer=0xb0061584) at item.cc:5385 +(gdb) +select_send::send_data (this=0x105cfa0, items=@0x10289d8) at sql_class.cc:1597 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +end_send (join=0x105cfb8, join_tab=0x105e7e8, end_of_records=false) at sql_select.cc:11965 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +evaluate_join_record (join=0x105cfb8, join_tab=0x105e670, error=0) at sql_select.cc:11225 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +sub_select (join=0x105cfb8, join_tab=0x105e670, end_of_records=false) at sql_select.cc:11112 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +do_select (join=0x105cfb8, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10866 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +select_send::send_eof (this=0x105cfa0) at sql_class.cc:1617 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +do_select (join=0x105cfb8, fields=0x10289d8, table=0x0, procedure=0x0) at sql_select.cc:10890 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +JOIN::exec (this=0x105cfb8) at sql_select.cc:2200 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd58, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfa0, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2380 +(gdb) +(gdb) +(gdb) n +(gdb) s +set_thd_proc_info (thd=0x1027618, info=0x3fa630 "end", calling_function=0x3ea443 "mysql_select", calling_file=0x3e925e "sql_select.cc", calling_line=2399) at sql_class.cc:269 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd58, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfa0, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2400 +(gdb) s +st_select_lex::cleanup (this=0x1028944) at sql_union.cc:761 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +mysql_select (thd=0x1027618, rref_pointer_array=0x1028a3c, tables=0x105cd58, wild_num=1, fields=@0x10289d8, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x105cfa0, unit=0x10286dc, select_lex=0x1028944) at sql_select.cc:2401 +(gdb) +(gdb) +handle_select (thd=0x1027618, lex=0x1028680, result=0x105cfa0, setup_tables_done_option=0) at sql_select.cc:270 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +execute_sqlcom_select (thd=0x1027618, all_tables=0x105cd58) at sql_parse.cc:4983 +(gdb) +(gdb) +(gdb) +(gdb) +mysql_execute_command (thd=0x1027618) at sql_parse.cc:4893 +(gdb) +(gdb) s +(gdb) +(gdb) +(gdb) +(gdb) n +(gdb) +mysql_parse (thd=0x1027618, inBuf=0x105cc28 "select * from class", length=19, found_semicolon=0xb0062df4) at sql_parse.cc:5914 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "", packet_length=19) at sql_parse.cc:1218 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) s +net_end_statement (thd=0x1027618) at protocol.cc:386 +(gdb) n +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "", packet_length=19) at sql_parse.cc:1587 +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +(gdb) +do_command (thd=0x1027618) at sql_parse.cc:861 +(gdb) b my_write +Breakpoint 13 at 0x36bed0: file my_write.c, line 27. +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 13, my_write (Filedes=4, Buffer=0x1021c18 "*\027J\002\001", Count=105, MyFlags=52) at my_write.c:27 +(gdb) where +#0 my_write (Filedes=4, Buffer=0x1021c18 "*\027J\002\001", Count=105, MyFlags=52) at my_write.c:27 +#1 0x00377d2e in my_b_flush_io_cache (info=0x5d2168, need_append_buffer_lock=0) at mf_iocache.c:1752 +#2 0x001baa5e in MYSQL_BIN_LOG::flush_and_sync (this=0x5d1e20) at log.cc:3579 +#3 0x001c2600 in MYSQL_BIN_LOG::write (this=0x5d1e20, event_info=0xb0061bac) at log.cc:4058 +#4 0x000d55e7 in THD::binlog_query (this=0x1027618, qtype=THD::ROW_QUERY_TYPE, query_arg=0x105cc28 "insert into class values(4,'kougi','4')", query_len=39, is_trans=false, suppress_use=false, killed_status_arg=THD::NOT_KILLED) at sql_class.cc:3723 +#5 0x00199075 in mysql_insert (thd=0x1027618, table_list=0x105cce8, fields=@0x1028be4, values_list=@0x1028c08, update_fields=@0x1028bfc, update_values=@0x1028bf0, duplic=DUP_ERROR, ignore=false) at sql_insert.cc:893 +#6 0x00101ed8 in mysql_execute_command (thd=0x1027618) at sql_parse.cc:3125 +#7 0x00108cc3 in mysql_parse (thd=0x1027618, inBuf=0x105cc28 "insert into class values(4,'kougi','4')", length=39, found_semicolon=0xb0062df4) at sql_parse.cc:5902 +#8 0x00109a27 in dispatch_command (command=COM_QUERY, thd=0x1027618, packet=0x1054419 "insert into class values(4,'kougi','4')", packet_length=39) at sql_parse.cc:1216 +#9 0x0010ad14 in do_command (thd=0x1027618) at sql_parse.cc:857 +#10 0x000f6318 in handle_one_connection (arg=0x1027618) at sql_connect.cc:1115 +#11 0x957f8095 in _pthread_start () +#12 0x957f7f52 in thread_start () +Current language: auto; currently c +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. +Current language: auto; currently c++ + +Breakpoint 13, my_write (Filedes=4, Buffer=0x1021c18 "բ\027J\002\001", Count=105, MyFlags=52) at my_write.c:27 +(gdb) up +#1 0x00377d2e in my_b_flush_io_cache (info=0x5d2168, need_append_buffer_lock=0) at mf_iocache.c:1752 +Current language: auto; currently c +(gdb) up +#2 0x001baa5e in MYSQL_BIN_LOG::flush_and_sync (this=0x5d1e20) at log.cc:3579 +Current language: auto; currently c++ +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 12, my_read (Filedes=24, Buffer=0xb00607e0 "", Count=64, MyFlags=4) at my_read.c:39 +(gdb) +Continuing. +Current language: auto; currently c + +Breakpoint 12, my_read (Filedes=24, Buffer=0x904228 "h4z\025", '' <repeats 13 times>, "\003", Count=7, MyFlags=4) at my_read.c:39 +(gdb) +Continuing. + +Breakpoint 12, my_read (Filedes=24, Buffer=0x904278 '' <repeats 56 times>, "h4z\025h4z\025", Count=55, MyFlags=4) at my_read.c:39 +(gdb) +Continuing. + +Breakpoint 12, my_read (Filedes=24, Buffer=0xb00607e0 "\001\t\t\003", Count=288, MyFlags=4) at my_read.c:39 +(gdb) +Continuing. + +Breakpoint 12, my_read (Filedes=24, Buffer=0x904418 '' <repeats 200 times>..., Count=290, MyFlags=4) at my_read.c:39 +(gdb) d 12 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. +Current language: auto; currently c++ + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. +[Switching to process 1903 thread 0x2207] + +Breakpoint 3, parse_sql (thd=0x1027618, parser_state=0xb00627f4, creation_ctx=0x0) at sql_parse.cc:7755 +(gdb) c +Continuing. + +Program received signal SIGUSR1, User defined signal 1. +[Switching to process 1903 thread 0xa0b] +0x958166f2 in select$DARWIN_EXTSN () +(gdb) c +Continuing. +[Switching to process 1903 thread 0x2403] + +Breakpoint 13, my_write (Filedes=4, Buffer=0x1021c18 "\025\027J\003\001", Count=19, MyFlags=52) at my_write.c:27 +(gdb) where +#0 my_write (Filedes=4, Buffer=0x1021c18 "\025\027J\003\001", Count=19, MyFlags=52) at my_write.c:27 +#1 0x00377d2e in my_b_flush_io_cache (info=0x5d2168, need_append_buffer_lock=0) at mf_iocache.c:1752 +#2 0x00378072 in end_io_cache (info=0x5d2168) at mf_iocache.c:1825 +#3 0x001bd7ca in MYSQL_LOG::close (this=0x5d1e24, exiting=5) at log.cc:1927 +#4 0x001bf5c0 in MYSQL_BIN_LOG::close (this=0x5d1e20, exiting=5) at log.cc:4529 +#5 0x001bf776 in MYSQL_BIN_LOG::cleanup (this=0x5d1e20) at log.cc:2327 +#6 0x000e6590 in clean_up (print_message=true) at mysqld.cc:1238 +#7 0x000e6ac2 in unireg_end () at mysqld.cc:1192 +#8 0x000eaba5 in kill_server (sig_ptr=0x0) at mysqld.cc:1134 +#9 0x000eb263 in kill_server_thread (arg=0x0) at mysqld.cc:1155 +#10 0x957f8095 in _pthread_start () +#11 0x957f7f52 in thread_start () +Current language: auto; currently c +(gdb) up +#1 0x00377d2e in my_b_flush_io_cache (info=0x5d2168, need_append_buffer_lock=0) at mf_iocache.c:1752 +(gdb) up +#2 0x00378072 in end_io_cache (info=0x5d2168) at mf_iocache.c:1825 +(gdb) up +#3 0x001bd7ca in MYSQL_LOG::close (this=0x5d1e24, exiting=5) at log.cc:1927 +Current language: auto; currently c++ +(gdb) c +Continuing. + +Program exited normally. +(gdb)detach +(gdb) ls +Undefined command: "ls". Try "help". +(gdb) quit + +Debugger finished