Merge ibabaev@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

into  rurik.mysql.com:/home/igor/mysql-5.0-opt


mysql-test/r/subselect.result:
  Manual merge
mysql-test/t/subselect.test:
  Manual merge

mysql-test/r/mysql.result

@@ -36,19 +36,19 @@ Tables_in_test
 t1
 t2
 t3
-
+_
 Test delimiter : from command line
 a
 1
-
+_
 Test delimiter :; from command line
 a
 1
-
+_
 Test 'go' command(vertical output) G
 *************************** 1. row ***************************
 a: 1
-
+_
 Test  'go' command g
 a
 1

mysql-test/r/select.result

@@ -3398,8 +3398,9 @@ drop table t1,t2;
 SELECT 0.9888889889 * 1.011111411911;
 0.9888889889 * 1.011111411911
 0.9998769417899202067879
-select 1 as ' a ';
-a 
-1
+prepare stmt from 'select 1 as " a "';
 Warnings:
 Warning	1466	Leading spaces are removed from name ' a '
+execute stmt;
+a 
+1

mysql-test/r/subselect.result

@@ -3239,6 +3239,50 @@ i
 DROP TABLE t1;
 DROP TABLE t2;
 CREATE TABLE t1 (
+id bigint(20) unsigned NOT NULL auto_increment,
+name varchar(255) NOT NULL,
+PRIMARY KEY  (id)
+);
+INSERT INTO t1 VALUES
+(1, 'Balazs'), (2, 'Joe'), (3, 'Frank');
+CREATE TABLE t2 (
+id bigint(20) unsigned NOT NULL auto_increment,
+mid bigint(20) unsigned NOT NULL,
+date date NOT NULL,
+PRIMARY KEY  (id)
+);
+INSERT INTO t2 VALUES 
+(1, 1, '2006-03-30'), (2, 2, '2006-04-06'), (3, 3, '2006-04-13'),
+(4, 2, '2006-04-20'), (5, 1, '2006-05-01');
+SELECT *,
+(SELECT date FROM t2 WHERE mid = t1.id
+ORDER BY date DESC LIMIT 0, 1) AS date_last,
+(SELECT date FROM t2 WHERE mid = t1.id
+ORDER BY date DESC LIMIT 3, 1) AS date_next_to_last
+FROM t1;
+id	name	date_last	date_next_to_last
+1	Balazs	2006-05-01	NULL
+2	Joe	2006-04-20	NULL
+3	Frank	2006-04-13	NULL
+SELECT *,
+(SELECT COUNT(*) FROM t2 WHERE mid = t1.id
+ORDER BY date DESC LIMIT 1, 1) AS date_count
+FROM t1;
+id	name	date_count
+1	Balazs	NULL
+2	Joe	NULL
+3	Frank	NULL
+SELECT *,
+(SELECT date FROM t2 WHERE mid = t1.id
+ORDER BY date DESC LIMIT 0, 1) AS date_last,
+(SELECT date FROM t2 WHERE mid = t1.id
+ORDER BY date DESC LIMIT 1, 1) AS date_next_to_last
+FROM t1;
+id	name	date_last	date_next_to_last
+1	Balazs	2006-05-01	2006-03-30
+2	Joe	2006-04-20	2006-04-06
+3	Frank	2006-04-13	NULL
+DROP TABLE t1,t2;
 i1 int(11) NOT NULL default '0',
 i2 int(11) NOT NULL default '0',
 t datetime NOT NULL default '0000-00-00 00:00:00',

mysql-test/t/mysql.test

@@ -20,16 +20,16 @@ insert into t1 values(1);
 
 --disable_query_log
 # Test delimiter : supplied on the command line
-select "Test delimiter : from command line" as " ";
+select "Test delimiter : from command line" as "_";
 --exec $MYSQL test --delimiter=":" -e "select * from t1:"
 # Test delimiter :; supplied on the command line
-select "Test delimiter :; from command line" as " ";
+select "Test delimiter :; from command line" as "_";
 --exec $MYSQL test --delimiter=":;" -e "select * from t1:;"
 # Test 'go' command (vertical output) \G
-select "Test 'go' command(vertical output) \G" as " ";
+select "Test 'go' command(vertical output) \G" as "_";
 --exec $MYSQL test -e "select * from t1\G"
 # Test 'go' command \g
-select "Test  'go' command \g" as " ";
+select "Test  'go' command \g" as "_";
 --exec $MYSQL test -e "select * from t1\g"
 --enable_query_log
 drop table t1;

mysql-test/t/select.test

@@ -2910,4 +2910,5 @@ SELECT 0.9888889889 * 1.011111411911;
 #
 # Bug #10977: No warning issued if a column name is truncated
 #
-select 1 as ' a ';
+prepare stmt from 'select 1 as " a "';
+execute stmt;

mysql-test/t/subselect.test

@@ -2162,6 +2162,46 @@ SELECT t1.i FROM t1 WHERE t1.i = CAST((SELECT MAX(i) FROM t2) AS UNSIGNED);
 DROP TABLE t1;
 DROP TABLE t2;
 
+# 
+# Bug#20519: subselect with LIMIT M, N
+#
+
+CREATE TABLE t1 (
+  id bigint(20) unsigned NOT NULL auto_increment,
+  name varchar(255) NOT NULL,
+  PRIMARY KEY  (id)
+);
+INSERT INTO t1 VALUES
+  (1, 'Balazs'), (2, 'Joe'), (3, 'Frank');
+
+CREATE TABLE t2 (
+  id bigint(20) unsigned NOT NULL auto_increment,
+  mid bigint(20) unsigned NOT NULL,
+  date date NOT NULL,
+  PRIMARY KEY  (id)
+);
+INSERT INTO t2 VALUES 
+  (1, 1, '2006-03-30'), (2, 2, '2006-04-06'), (3, 3, '2006-04-13'),
+  (4, 2, '2006-04-20'), (5, 1, '2006-05-01');
+
+SELECT *,
+      (SELECT date FROM t2 WHERE mid = t1.id
+         ORDER BY date DESC LIMIT 0, 1) AS date_last,
+      (SELECT date FROM t2 WHERE mid = t1.id
+         ORDER BY date DESC LIMIT 3, 1) AS date_next_to_last
+  FROM t1;
+SELECT *,
+      (SELECT COUNT(*) FROM t2 WHERE mid = t1.id
+         ORDER BY date DESC LIMIT 1, 1) AS date_count
+  FROM t1;
+SELECT *,
+      (SELECT date FROM t2 WHERE mid = t1.id
+         ORDER BY date DESC LIMIT 0, 1) AS date_last,
+      (SELECT date FROM t2 WHERE mid = t1.id
+         ORDER BY date DESC LIMIT 1, 1) AS date_next_to_last
+  FROM t1;
+DROP TABLE t1,t2;
+
 #
 # Bug#20869: subselect with range access by DESC
 #

sql/sql_select.cc

@@ -1209,6 +1209,11 @@ int
 JOIN::reinit()
 {
   DBUG_ENTER("JOIN::reinit");
+
+  unit->offset_limit_cnt= (ha_rows)(select_lex->offset_limit ?
+                                    select_lex->offset_limit->val_uint() :
+                                    ULL(0));
+
   first_record= 0;
 
   if (exec_tmp_table1)