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#
# MDEV-32441 SENT_ROWS shows random wrong values when stored function
# is selected
#
create table t1 (a int) engine=aria;
insert into t1 values (1),(2),(3),(4),(5),(6),(7);
flush status;
create function if not exists f() returns int return
(
select sum(a) > 0 from t1
);
select f() from seq_1_to_10 where seq%5 = 0;
f()
1
1
show status like "rows_sent";
Variable_name Value
Rows_sent 2
# Test simple query
set debug_sync='RESET';
connect con1,localhost,root,,;
set debug_sync='end_of_statement SIGNAL parked WAIT_FOR go';
select f() from seq_1_to_10 where seq%5 = 0;
connection default;
set debug_sync='now WAIT_FOR parked';
# Result should be 2, 10+7*2=24
select sent_rows, examined_rows from information_schema.processlist where id=#;
sent_rows examined_rows
2 24
set debug_sync='now signal go';
connection con1;
f()
1
1
# Test union
set debug_sync='end_of_statement SIGNAL parked WAIT_FOR go';
select a from t1 where a not in (1,2,3,4) union select a from t1 where a not in (4,5,6,7);
connection default;
set debug_sync='now WAIT_FOR parked';
# Result should be 6, 7+7+6=20 (2 scans of 7 rows + 6 rows in union)
select sent_rows, examined_rows from information_schema.processlist where id=#;
sent_rows examined_rows
6 20
set debug_sync='now signal go';
connection con1;
a
5
6
7
1
2
3
# Test handler calls
handler t1 open;
set debug_sync='end_of_statement SIGNAL parked WAIT_FOR go';
handler t1 read NEXT LIMIT 2,4;
connection default;
set debug_sync='now WAIT_FOR parked';
# Result should be 2, 10+7*2=24
select sent_rows, examined_rows from information_schema.processlist where id=#;
sent_rows examined_rows
4 6
set debug_sync='now signal go';
connection con1;
a
3
4
5
6
handler t1 close;
connection default;
drop function f;
drop table t1;
# Test Stored procedures
create or replace table t (a int primary key);
insert into t select seq from seq_1_to_100;
create procedure pr()
begin
select * from t where a between 1 and 2 ;
select * from t where a between 4 and 6 ;
end $
connection con1;
flush status;
set debug_sync='end_of_statement SIGNAL parked WAIT_FOR go EXECUTE 2';
call pr();
connection default;
set debug_sync='now WAIT_FOR parked';
select examined_rows, sent_rows, info from information_schema.processlist where id=#;
examined_rows sent_rows info
2 2 select * from t where a between 1 and 2
set debug_sync='now signal go';
set debug_sync='now WAIT_FOR parked';
select examined_rows, sent_rows, info from information_schema.processlist where id=#;
examined_rows sent_rows info
3 3 select * from t where a between 4 and 6
set debug_sync='now signal go';
connection con1;
a
1
2
a
4
5
6
show status like '%rows%';
Variable_name Value
Not_flushed_delayed_rows 0
Rows_read 8
Rows_sent 5
Rows_tmp_read 0
Sort_rows 0
connection default;
drop table t;
drop procedure pr;
disconnect con1;
set debug_sync= RESET;
#
# End of 11.3 tests
#
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