Commit ffe0e1b1 authored by unknown's avatar unknown

Merge dfischer@bk-internal.mysql.com:/home/bk/mysql-4.1

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-4.1

parents eb79904d cbbc8bb3
......@@ -818,3 +818,20 @@ a
2
1
DROP TABLE t1;
CREATE TABLE t1 (
f1 int(10) unsigned NOT NULL auto_increment primary key,
f2 varchar(100) NOT NULL default ''
);
CREATE TABLE t2 (
f1 varchar(10) NOT NULL default '',
f2 char(3) NOT NULL default '',
PRIMARY KEY (`f1`),
KEY `k1` (`f2`,`f1`)
);
INSERT INTO t1 values(NULL, '');
INSERT INTO `t2` VALUES ('486878','WDT'),('486910','WDT');
SELECT SQL_BUFFER_RESULT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
avg(t2.f1)
SELECT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
avg(t2.f1)
DROP TABLE t1, t2;
......@@ -690,3 +690,29 @@ CREATE TABLE t1 (a int PRIMARY KEY);
INSERT INTO t1 values (1), (2);
INSERT INTO t1 SELECT a + 2 FROM t1 LIMIT 1;
DROP TABLE t1;
CREATE TABLE t1 (
f1 int(10) unsigned NOT NULL auto_increment PRIMARY KEY,
f2 varchar(100) NOT NULL default ''
);
CREATE TABLE t2 (
f1 varchar(10) NOT NULL default '',
f2 char(3) NOT NULL default '',
PRIMARY KEY (`f1`),
KEY `k1` (`f2`, `f1`)
);
INSERT INTO t1 values(NULL, '');
INSERT INTO `t2` VALUES ('486878','WDT'),('486910','WDT');
SELECT COUNT(*) FROM t1;
COUNT(*)
1
SELECT min(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
min(t2.f1)
INSERT INTO t1 (f2)
SELECT min(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
SELECT COUNT(*) FROM t1;
COUNT(*)
1
SELECT * FROM t1;
f1 f2
1
DROP TABLE t1, t2;
......@@ -633,4 +633,27 @@ SELECT a FROM t1 ORDER BY 'a' DESC;
SELECT a FROM t1 ORDER BY "a" DESC;
SELECT a FROM t1 ORDER BY `a` DESC;
DROP TABLE t1;
#
# Bug #29717 INSERT INTO SELECT inserts values even if SELECT statement itself
# returns empty
#
CREATE TABLE t1 (
f1 int(10) unsigned NOT NULL auto_increment primary key,
f2 varchar(100) NOT NULL default ''
);
CREATE TABLE t2 (
f1 varchar(10) NOT NULL default '',
f2 char(3) NOT NULL default '',
PRIMARY KEY (`f1`),
KEY `k1` (`f2`,`f1`)
);
INSERT INTO t1 values(NULL, '');
INSERT INTO `t2` VALUES ('486878','WDT'),('486910','WDT');
SELECT SQL_BUFFER_RESULT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
SELECT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
DROP TABLE t1, t2;
# End of 4.1 tests
......@@ -239,4 +239,32 @@ INSERT INTO t1 SELECT a + 2 FROM t1 LIMIT 1;
DROP TABLE t1;
#
# Bug #29717 INSERT INTO SELECT inserts values even if SELECT statement itself returns empty
#
CREATE TABLE t1 (
f1 int(10) unsigned NOT NULL auto_increment PRIMARY KEY,
f2 varchar(100) NOT NULL default ''
);
CREATE TABLE t2 (
f1 varchar(10) NOT NULL default '',
f2 char(3) NOT NULL default '',
PRIMARY KEY (`f1`),
KEY `k1` (`f2`, `f1`)
);
INSERT INTO t1 values(NULL, '');
INSERT INTO `t2` VALUES ('486878','WDT'),('486910','WDT');
SELECT COUNT(*) FROM t1;
SELECT min(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
INSERT INTO t1 (f2)
SELECT min(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
SELECT COUNT(*) FROM t1;
SELECT * FROM t1;
DROP TABLE t1, t2;
# End of 4.1 tests
......@@ -30,7 +30,7 @@
#define SCHED_POLICY SCHED_OTHER
#endif
uint thd_lib_detected;
uint thd_lib_detected= 0;
#ifndef my_pthread_setprio
void my_pthread_setprio(pthread_t thread_id,int prior)
......
......@@ -19,13 +19,14 @@
## 1.3 Applied patch provided by Martin Mokrejs <mmokrejs@natur.cuni.cz>
## (General code cleanup, use the GRANT statement instead of updating
## the privilege tables directly, added option to revoke privileges)
## 1.4 Remove option 6 which attempted to erroneously grant global privileges
#### TODO
#
# empty ... suggestions ... mail them to me ...
$version="1.3";
$version="1.4";
use DBI;
use Getopt::Long;
......@@ -103,13 +104,9 @@ sub q1 { # first question ...
print " existing database and host combination (user can do\n";
print " SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,INDEX,\n";
print " LOCK TABLES,CREATE TEMPORARY TABLES)\n";
print " 6. Create/append database administrative privileges for an\n";
print " existing database and host combination (user can do\n";
print " SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,INDEX,LOCK TABLES,\n";
print " CREATE TEMPORARY TABLES,SHOW DATABASES,PROCESS)\n";
print " 7. Create/append full privileges for an existing database\n";
print " 6. Create/append full privileges for an existing database\n";
print " and host combination (user has FULL privilege)\n";
print " 8. Remove all privileges for for an existing database and\n";
print " 7. Remove all privileges for for an existing database and\n";
print " host combination.\n";
print " (user will have all permission fields set to N)\n";
print " 0. exit this program\n";
......@@ -117,10 +114,10 @@ sub q1 { # first question ...
while (<STDIN>) {
$answer = $_;
chomp($answer);
if ($answer =~ /^[12345678]$/) {
if ($answer =~ /^[1234567]$/) {
if ($answer == 1) {
setpwd();
} elsif ($answer =~ /^[2345678]$/) {
} elsif ($answer =~ /^[234567]$/) {
addall($answer);
} else {
print "Sorry, something went wrong. With such option number you should not get here.\n\n";
......@@ -233,7 +230,7 @@ sub addall {
}
}
if ( ( !$todo ) or not ( $todo =~ m/^[2-8]$/ ) ) {
if ( ( !$todo ) or not ( $todo =~ m/^[2-7]$/ ) ) {
print STDERR "Sorry, select option $todo isn't known inside the program .. See ya\n";
quit();
}
......@@ -256,12 +253,9 @@ sub addall {
# user privileges: SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,INDEX,LOCK TABLES,CREATE TEMPORARY TABLES
$sth = $dbh->do("GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,INDEX,LOCK TABLES,CREATE TEMPORARY TABLES ON $db.* TO $user@\"$host\" IDENTIFIED BY \'$pass\'") || die $dbh->errstr;
} elsif ($todo == 6) {
# admin privileges: GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,INDEX,LOCK TABLES,CREATE TEMPORARY TABLES,SHOW DATABASES,PROCESS
$sth = $dbh->do("GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,INDEX,LOCK TABLES,CREATE TEMPORARY TABLES,SHOW DATABASES,PROCESS ON $db.* TO $user@\"$host\" IDENTIFIED BY \'$pass\'") || die $dbh->errstr;
} elsif ($todo == 7) {
# all privileges
$sth = $dbh->do("GRANT ALL ON $db.* TO \'$user\'\@\'$host\' IDENTIFIED BY \'$pass\'") || die $dbh->errstr;
} elsif ($todo == 8) {
} elsif ($todo == 7) {
# all privileges set to N
$sth = $dbh->do("REVOKE ALL ON *.* FROM \'$user\'\@\'$host\'") || die $dbh->errstr;
}
......
......@@ -21,7 +21,7 @@ character-set=latin1
"NO",
"YES",
"Can't create file '%-.64s' (errno: %d)",
"Can't create table '%-.64s' (errno: %d)",
"Can't create table '%-.150s' (errno: %d)",
"Can't create database '%-.64s' (errno: %d)",
"Can't create database '%-.64s'; database exists",
"Can't drop database '%-.64s'; database doesn't exist",
......@@ -33,7 +33,7 @@ character-set=latin1
"Can't get working directory (errno: %d)",
"Can't lock file (errno: %d)",
"Can't open file: '%-.64s' (errno: %d)",
"Can't find file: '%-.64s' (errno: %d)",
"Can't find file: '%-.150s' (errno: %d)",
"Can't read dir of '%-.64s' (errno: %d)",
"Can't change dir to '%-.64s' (errno: %d)",
"Record has changed since last read in table '%-.64s'",
......@@ -41,7 +41,7 @@ character-set=latin1
"Can't write; duplicate key in table '%-.64s'",
"Error on close of '%-.64s' (errno: %d)",
"Error reading file '%-.64s' (errno: %d)",
"Error on rename of '%-.64s' to '%-.64s' (errno: %d)",
"Error on rename of '%-.107s' to '%-.107s' (errno: %d)",
"Error writing file '%-.64s' (errno: %d)",
"'%-.64s' is locked against change",
"Sort aborted",
......
......@@ -777,6 +777,7 @@ JOIN::optimize()
order=0; // The output has only one row
simple_order=1;
select_distinct= 0; // No need in distinct for 1 row
group_optimized_away= 1;
}
calc_group_buffer(this, group_list);
......@@ -6896,7 +6897,8 @@ end_send_group(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
if (!join->first_record || end_of_records ||
(idx=test_if_group_changed(join->group_fields)) >= 0)
{
if (join->first_record || (end_of_records && !join->group))
if (join->first_record ||
(end_of_records && !join->group && !join->group_optimized_away))
{
if (join->procedure)
join->procedure->end_group();
......
......@@ -180,6 +180,14 @@ class JOIN :public Sql_alloc
ROLLUP rollup; // Used with rollup
bool select_distinct; // Set if SELECT DISTINCT
/*
If we have the GROUP BY statement in the query,
but the group_list was emptied by optimizer, this
flag is TRUE.
It happens when fields in the GROUP BY are from
constant table
*/
bool group_optimized_away;
/*
simple_xxxxx is set if ORDER/GROUP BY doesn't include any references
......@@ -276,6 +284,7 @@ class JOIN :public Sql_alloc
ref_pointer_array_size= 0;
zero_result_cause= 0;
optimized= 0;
group_optimized_away= 0;
fields_list= fields_arg;
bzero((char*) &keyuse,sizeof(keyuse));
......
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