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