SET @start_global_value = @@global.max_error_count; SELECT @start_global_value; @start_global_value 64 SET @start_session_value = @@session.max_error_count; SELECT @start_session_value; @start_session_value 64 drop database if exists demo; create database demo; use demo; create procedure proc_1() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_1'; call proc_2(); end $$ create procedure proc_2() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_2'; call proc_3(); end $$ create procedure proc_3() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_3'; call proc_4(); end $$ create procedure proc_4() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_4'; call proc_5(); end $$ create procedure proc_5() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_5'; call proc_6(); end $$ create procedure proc_6() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_6'; call proc_7(); end $$ create procedure proc_7() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_7'; call proc_8(); end $$ create procedure proc_8() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_8'; call proc_9(); end $$ create procedure proc_9() begin declare exit handler for sqlexception resignal sqlstate '45000' set message_text='Oops in proc_9'; ## Do something that fails, to see how errors are reported drop table oops_it_is_not_here; end $$ call proc_1(); ERROR 45000: Oops in proc_1 show warnings; Level Code Message Error 1051 Unknown table 'oops_it_is_not_here' Error 1644 Oops in proc_9 Error 1644 Oops in proc_8 Error 1644 Oops in proc_7 Error 1644 Oops in proc_6 Error 1644 Oops in proc_5 Error 1644 Oops in proc_4 Error 1644 Oops in proc_3 Error 1644 Oops in proc_2 Error 1644 Oops in proc_1 SET @@session.max_error_count = 5; SELECT @@session.max_error_count; @@session.max_error_count 5 call proc_1(); ERROR 45000: Oops in proc_1 show warnings; Level Code Message Error 1644 Oops in proc_5 Error 1644 Oops in proc_4 Error 1644 Oops in proc_3 Error 1644 Oops in proc_2 Error 1644 Oops in proc_1 SET @@session.max_error_count = 7; SELECT @@session.max_error_count; @@session.max_error_count 7 call proc_1(); ERROR 45000: Oops in proc_1 show warnings; Level Code Message Error 1644 Oops in proc_7 Error 1644 Oops in proc_6 Error 1644 Oops in proc_5 Error 1644 Oops in proc_4 Error 1644 Oops in proc_3 Error 1644 Oops in proc_2 Error 1644 Oops in proc_1 SET @@session.max_error_count = 9; SELECT @@session.max_error_count; @@session.max_error_count 9 call proc_1(); ERROR 45000: Oops in proc_1 show warnings; Level Code Message Error 1644 Oops in proc_9 Error 1644 Oops in proc_8 Error 1644 Oops in proc_7 Error 1644 Oops in proc_6 Error 1644 Oops in proc_5 Error 1644 Oops in proc_4 Error 1644 Oops in proc_3 Error 1644 Oops in proc_2 Error 1644 Oops in proc_1 drop database demo; SET @@global.max_error_count = @start_global_value; SELECT @@global.max_error_count; @@global.max_error_count 64 SET @@session.max_error_count = @start_session_value; SELECT @@session.max_error_count; @@session.max_error_count 64