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Manually merged

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evgen@moonbone.local
2005-10-27 17:44:28 +04:00
parent 1c64b2c027 983b7ad153
commit 71b731e92e
4 changed files with 19 additions and 1 deletions
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8
mysql-test/r/select.result
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@ -2400,6 +2400,14 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE t2 ref a a 23 test.t1.a 2 1 SIMPLE t2 ref a a 23 test.t1.a 2
DROP TABLE t1, t2; DROP TABLE t1, t2;
create table t1 (f1 int primary key, f2 int);
create table t2 (f3 int, f4 int, primary key(f3,f4));
insert into t1 values (1,1);
insert into t2 values (1,1),(1,2);
select distinct count(f2) >0 from t1 left join t2 on f1=f3 group by f1;
count(f2) >0
1
drop table t1,t2;
CREATE TABLE t1 ( city char(30) ); CREATE TABLE t1 ( city char(30) );
INSERT INTO t1 VALUES ('London'); INSERT INTO t1 VALUES ('London');
INSERT INTO t1 VALUES ('Paris'); INSERT INTO t1 VALUES ('Paris');

9
mysql-test/t/select.test
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@ -2228,4 +2228,13 @@ SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2,t1
WHERE t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c; WHERE t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c;
DROP TABLE IF EXISTS t1, t2; DROP TABLE IF EXISTS t1, t2;
#
# Bug #13855 select distinct with group by caused server crash
#
create table t1 (f1 int primary key, f2 int);
create table t2 (f3 int, f4 int, primary key(f3,f4));
insert into t1 values (1,1);
insert into t2 values (1,1),(1,2);
select distinct count(f2) >0 from t1 left join t2 on f1=f3 group by f1;
drop table t1,t2;
# End of 4.1 tests # End of 4.1 tests

2
netware/mysql_test_run.c
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@ -172,7 +172,7 @@ void report_stats()
log_msg("\nFailed %u/%u test(s), %.02f%% successful.\n", log_msg("\nFailed %u/%u test(s), %.02f%% successful.\n",
total_fail, total_test, percent); total_fail, total_test, percent);
log_msg("\nThe .out and .err files in %s may give you some\n", result_dir); log_msg("\nThe .out and .err files in %s may give you some\n", result_dir);
log_msg("hint of what when wrong.\n"); log_msg("hint of what went wrong.\n");
log_msg("\nIf you want to report this error, please first read the documentation\n"); log_msg("\nIf you want to report this error, please first read the documentation\n");
log_msg("at: http://www.mysql.com/doc/en/MySQL_test_suite.html\n"); log_msg("at: http://www.mysql.com/doc/en/MySQL_test_suite.html\n");
} }

1
sql/sql_select.cc
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@ -689,6 +689,7 @@ JOIN::optimize()
{ {
order=0; // The output has only one row order=0; // The output has only one row
simple_order=1; simple_order=1;
select_distinct= 0; // No need in distinct for 1 row
} }
calc_group_buffer(this, group_list); calc_group_buffer(this, group_list);