Details
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Bug
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Status: Confirmed (View Workflow)
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Minor
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Resolution: Unresolved
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10.4.8
Description
#0 mdb::CMdb::rnd_end (this=0x7faaa801e490) at /data01/chuhx_mdb4/mariadb-10.4.8/storage/mdb/src/mdb/mdb.cc:735
#1 0x00007fab4dae3795 in ha_mdb::rnd_end (this=0x7faaa801bdf8) at /data01/chuhx_mdb4/mariadb-10.4.8/storage/mdb/src/handler/ha_mdb.cc:843
#2 0x00007fabdb7ce630 in handler::ha_rnd_end (this=0x7faaa801bdf8) at /data01/chuhx_mdb4/mariadb-10.4.8/sql/handler.h:3230
#3 0x00007fabdb88d996 in handler::ha_index_or_rnd_end (this=0x7faaa801bdf8) at /data01/chuhx_mdb4/mariadb-10.4.8/sql/handler.h:3237
#4 0x00007fabdc24dde0 in end_read_record (info=0x7faad47877c0) at /data01/chuhx_mdb4/mariadb-10.4.8/sql/records.cc:330
#5 0x00007fabdbb1d1cb in mysql_update (thd=0x7faaa8000b20, table_list=0x7faaa8011890, fields=..., values=..., conds=0x0, order_num=0, order=0x0, limit=0,
ignore=false, found_return=0x7faad4787d20, updated_return=0x7faad4787de0) at /data01/chuhx_mdb4/mariadb-10.4.8/sql/sql_update.cc:1220
#6 0x00007fabdb91f2a8 in mysql_execute_command (thd=0x7faaa8000b20) at /data01/chuhx_mdb4/mariadb-10.4.8/sql/sql_parse.cc:4387
#7 0x00007fabdb93482c in mysql_parse (thd=0x7faaa8000b20, rawbuf=0x7faaa8011788 "update test_sharding set x=x+1 limit 2", length=38, parser_state=0x7faad4788450,
is_com_multi=false, is_next_command=false) at /data01/chuhx_mdb4/mariadb-10.4.8/sql/sql_parse.cc:8018
(gdb)
end_read_record (info=0x7faad47877c0) at /data01/chuhx_mdb4/mariadb-10.4.8/sql/records.cc:331
331 info->table=0;
(gdb) l
326 {
327 if (info->table->is_created())
328 (void) info->table->file->extra(HA_EXTRA_NO_CACHE);
329 if (info->read_record_func != rr_quick) // otherwise quick_range does it
330 (void) info->table->file->ha_index_or_rnd_end();
331 info->table=0;
332 }
333 }
*we designed our own engine, and rnd_end() may return error , but at records.cc:330 , it is void, so update will success even error! *
why it is void?