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Merge tnurnberg@bk-internal.mysql.com:/home/bk/mysql-5.1-opt

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into  mysql.com:/scratch/tnurnberg/31700/51-31700
This commit is contained in:
tnurnberg@white.intern.koehntopp.de 2007-11-10 21:52:18 +01:00
commit 4bd91d2b27
4 changed files with 87 additions and 4 deletions
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28
mysql-test/r/log_tables.result
View File

@ -820,3 +820,31 @@ Execute select '000 001 002 003 004 005 006 007 008 009010 011 012 013 014 015 0
Query set global general_log = off
deallocate prepare long_query;
set global general_log = @old_general_log_state;
SET @old_slow_log_state = @@global.slow_query_log;
SET SESSION long_query_time = 0;
SET GLOBAL slow_query_log = ON;
FLUSH LOGS;
TRUNCATE TABLE mysql.slow_log;
CREATE TABLE t1 (f1 SERIAL,f2 INT, f3 INT, PRIMARY KEY(f1), KEY(f2));
INSERT INTO t1 VALUES (1,1,1);
INSERT INTO t1 VALUES (2,2,2);
INSERT INTO t1 VALUES (3,3,3);
INSERT INTO t1 VALUES (4,4,4);
SELECT SQL_NO_CACHE 'Bug#31700 - SCAN',f1,f2,f3 FROM t1 WHERE f3=4;
Bug#31700 - SCAN f1 f2 f3
Bug#31700 - SCAN 4 4 4
SELECT SQL_NO_CACHE 'Bug#31700 - KEY', f1,f2,f3 FROM t1 WHERE f2=3;
Bug#31700 - KEY f1 f2 f3
Bug#31700 - KEY 3 3 3
SELECT SQL_NO_CACHE 'Bug#31700 - PK', f1,f2,f3 FROM t1 WHERE f1=2;
Bug#31700 - PK f1 f2 f3
Bug#31700 - PK 2 2 2
SELECT start_time, rows_examined, rows_sent, sql_text FROM mysql.slow_log WHERE sql_text LIKE '%Bug#31700%' ORDER BY start_time;
start_time rows_examined rows_sent sql_text
TIMESTAMP 4 1 SELECT SQL_NO_CACHE 'Bug#31700 - SCAN',f1,f2,f3 FROM t1 WHERE f3=4
TIMESTAMP 1 1 SELECT SQL_NO_CACHE 'Bug#31700 - KEY', f1,f2,f3 FROM t1 WHERE f2=3
TIMESTAMP 1 1 SELECT SQL_NO_CACHE 'Bug#31700 - PK', f1,f2,f3 FROM t1 WHERE f1=2
DROP TABLE t1;
TRUNCATE TABLE mysql.slow_log;
SET GLOBAL slow_query_log = @old_slow_log_state;
SET SESSION long_query_time =@old_long_query_time;

31
mysql-test/t/log_tables.test
View File

@ -924,3 +924,34 @@ set global general_log = off;
select command_type, argument from mysql.general_log;
deallocate prepare long_query;
set global general_log = @old_general_log_state;
#
# Bug #31700: thd->examined_row_count not incremented for 'const' type queries
#
SET @old_slow_log_state = @@global.slow_query_log;
SET SESSION long_query_time = 0;
SET GLOBAL slow_query_log = ON;
FLUSH LOGS;
TRUNCATE TABLE mysql.slow_log;
# Let there be three columns, unique, non-unique, and non-indexed:
CREATE TABLE t1 (f1 SERIAL,f2 INT, f3 INT, PRIMARY KEY(f1), KEY(f2));
INSERT INTO t1 VALUES (1,1,1);
INSERT INTO t1 VALUES (2,2,2);
INSERT INTO t1 VALUES (3,3,3);
INSERT INTO t1 VALUES (4,4,4);
SELECT SQL_NO_CACHE 'Bug#31700 - SCAN',f1,f2,f3 FROM t1 WHERE f3=4;
SELECT SQL_NO_CACHE 'Bug#31700 - KEY', f1,f2,f3 FROM t1 WHERE f2=3;
SELECT SQL_NO_CACHE 'Bug#31700 - PK', f1,f2,f3 FROM t1 WHERE f1=2;
--replace_column 1 TIMESTAMP
SELECT start_time, rows_examined, rows_sent, sql_text FROM mysql.slow_log WHERE sql_text LIKE '%Bug#31700%' ORDER BY start_time;
DROP TABLE t1;
TRUNCATE TABLE mysql.slow_log;
SET GLOBAL slow_query_log = @old_slow_log_state;
SET SESSION long_query_time =@old_long_query_time;

23
sql/sql_class.h
View File

@ -1365,9 +1365,20 @@ public:
ulonglong limit_found_rows;
ulonglong options; /* Bitmap of states */
longlong row_count_func; /* For the ROW_COUNT() function */
ha_rows cuted_fields,
sent_row_count, examined_row_count;
longlong row_count_func; /* For the ROW_COUNT() function */
ha_rows cuted_fields;
/*
number of rows we actually sent to the client, including "synthetic"
rows in ROLLUP etc.
*/
ha_rows sent_row_count;
/*
number of rows we read, sent or not, including in create_sort_index()
*/
ha_rows examined_row_count;
/*
The set of those tables whose fields are referenced in all subqueries
of the query.
@ -1403,7 +1414,11 @@ public:
/* Statement id is thread-wide. This counter is used to generate ids */
ulong statement_id_counter;
ulong rand_saved_seed1, rand_saved_seed2;
ulong row_count; // Row counter, mainly for errors and warnings
/*
Row counter, mainly for errors and warnings. Not increased in
create_sort_index(); may differ from examined_row_count.
*/
ulong row_count;
pthread_t real_id; /* For debugging */
my_thread_id thread_id;
uint tmp_table, global_read_lock;

9
sql/sql_select.cc
View File

@ -10665,6 +10665,15 @@ do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure)
error= (*end_select)(join, 0, 0);
if (error == NESTED_LOOP_OK || error == NESTED_LOOP_QUERY_LIMIT)
error= (*end_select)(join, 0, 1);
/*
If we don't go through evaluate_join_record(), do the counting
here. join->send_records is increased on success in end_send(),
so we don't touch it here.
*/
join->examined_rows++;
join->thd->row_count++;
DBUG_ASSERT(join->examined_rows <= 1);
}
else if (join->send_row_on_empty_set())
{