Merged some functions and removed some unused client functions.

Remember UNION for ALTER TABLE
Added test for if we are supporting transactions.
Don't allow REPLACE to replace a row when we have generated an auto_increment key
Fixed bug when using BLOB keys
Fixed bug in SET @variable=user.


Docs/manual.texi:
  Added some examples and moved the Error access denied section to the
  error section.
client/mysqltest.c:
  Changed to use the new mysql_send_query()
include/mysql.h:
  Changed mysql_reap_query() to mysql_send_query().
libmysql/libmysql.c:
  Changed mysql_reap_query() to mysql_send_query()
  Merged some functions and removed some unused functions.
mysql-test/r/bdb.result:
  New test case
mysql-test/r/distinct.result:
  New test case
mysql-test/r/key.result:
  New test case
mysql-test/r/merge.result:
  New test case
mysql-test/r/replace.result:
  New test case
mysql-test/t/bdb.test:
  New test case
mysql-test/t/key.test:
  New test case
mysql-test/t/merge.test:
  New test case
mysql-test/t/replace.test:
  New test case
mysys/my_lock.c:
  Moved global lock variable to static
sql-bench/test-insert.sh:
  Added test case for index-read only
sql/field.h:
  Fixed that one can optimize ORDER BY with ISAM and GEMINI
sql/ha_berkeley.cc:
  Added type casts needed for Windows
sql/ha_innobase.cc:
  Removed reference to manual from comment.
sql/ha_myisammrg.cc:
  Remember UNION for ALTER TABLE
sql/ha_myisammrg.h:
  Remember UNION for ALTER TABLE
sql/handler.cc:
  Added test for if we are supporting transactions.
  Don't allow REPLACE to replace a row when we have generated an auto_increment key.
sql/handler.h:
  Remember UNION for ALTER TABLE
sql/key.cc:
  Fixed bug when using BLOB keys
sql/mysql_priv.h:
  Added new variables
sql/mysqld.cc:
  Added new variables
sql/opt_range.cc:
  Fixed problem with BLOB keys
sql/opt_sum.cc:
  Fix for BLOB keys
sql/sql_class.cc:
  Added test if we need to init/clean transaction variables
sql/sql_insert.cc:
  Fix for REPLACE and auto_increment keys
sql/sql_parse.cc:
  Fixed bug in max_user_connections
sql/sql_select.cc:
  Fixed problem with key on BLOB
sql/sql_yacc.yy:
  Fixed bug in SET @variable=user.
sql/table.cc:
  Fixed problem with keys on BLOB

mysql-test/r/bdb.result

@@ -483,3 +483,10 @@ i	j
 1	2
 build_path
 current
+a	b
+a	2
+a	b
+a	2
+a	b
+a	1
+a	2

mysql-test/r/distinct.result

@@ -120,14 +120,14 @@ UserId
 b
 1
 table	type	possible_keys	key	key_len	ref	rows	Extra
-t3	index	a	a	4	NULL	6	Using index; Using temporary
+t3	index	a	a	5	NULL	6	Using index; Using temporary
 t2	index	a	a	4	NULL	5	Using index; Distinct
 t1	eq_ref	PRIMARY	PRIMARY	4	t2.a	1	where used; Distinct
 a
 1
 table	type	possible_keys	key	key_len	ref	rows	Extra
 t1	index	PRIMARY	PRIMARY	4	NULL	2	Using index; Using temporary
-t3	ref	a	a	5	t1.a	12	Using index; Distinct
+t3	ref	a	a	5	t1.a	10	Using index; Distinct
 a
 1
 2

mysql-test/r/key.result

@@ -10,3 +10,10 @@ name_id	name
 name_id	name
 name_id	name
 2	[T,U]_axpby
+a	b
+a	2
+a	b
+a	2
+a	b
+a	1
+a	2

mysql-test/r/merge.result

@@ -103,9 +103,6 @@ test2
 test2
 c
 c
-test1
-test1
-test1
 incr	othr
 incr	othr
 1	10
@@ -118,4 +115,15 @@ count(*)
 20
 count(*)
 20
+Table	Create Table
+t3	CREATE TABLE `t3` (
+  `incr` int(11) NOT NULL default '0',
+  `othr` int(11) NOT NULL default '0',
+  PRIMARY KEY  (`incr`)
+) TYPE=MRG_MyISAM UNION=(t1,t2)
+Table	Create Table
+t3	CREATE TABLE `t3` (
+  `incr` int(11) NOT NULL default '0',
+  `othr` int(11) NOT NULL default '0'
+) TYPE=MRG_MyISAM UNION=(t1,t2)
 a

mysql-test/r/replace.result

@@ -0,0 +1,3 @@
+a	b
+126	first updated
+127	last

mysql-test/t/bdb.test

@@ -728,3 +728,18 @@ where
     t3.platform_id = 2;
 
 drop table t1, t2, t3, t4, t5, t6,t7;
+
+#
+# Test with blob + tinyint key
+#
+
+CREATE TABLE t1 (
+  a tinytext NOT NULL,
+  b tinyint(3) unsigned NOT NULL default '0',
+  PRIMARY KEY (a(32),b)
+) TYPE=BDB;
+INSERT INTO t1 VALUES ('a',1),('a',2);
+SELECT * FROM t1 WHERE a='a' AND b=2;
+SELECT * FROM t1 WHERE a='a' AND b in (2);
+SELECT * FROM t1 WHERE a='a' AND b in (1,2);
+drop table t1;

mysql-test/t/key.test

@@ -144,3 +144,19 @@ INSERT INTO t1 VALUES (1, 1, 1, 1, 'a');
 INSERT INTO t1 VALUES (1, 1, 1, 1, 'b'); 
 !$1062 INSERT INTO t1 VALUES (1, 1, 1, 1, 'a');
 drop table t1;
+
+#
+# Test with blob + tinyint key
+# (Failed for Greg Valure)
+#
+
+CREATE TABLE t1 (
+  a tinytext NOT NULL,
+  b tinyint(3) unsigned NOT NULL default '0',
+  PRIMARY KEY (a(32),b)
+) TYPE=MyISAM;
+INSERT INTO t1 VALUES ('a',1),('a',2);
+SELECT * FROM t1 WHERE a='a' AND b=2;
+SELECT * FROM t1 WHERE a='a' AND b in (2);
+SELECT * FROM t1 WHERE a='a' AND b in (1,2);
+drop table t1;

mysql-test/t/merge.test

@@ -50,7 +50,7 @@ insert into t2 (c) values ('test2');
 insert into t2 (c) values ('test2');
 select * from t3;
 select * from t3;
-delete from t3;
+delete from t3 where 1=1;
 select * from t3;
 select * from t1;
 drop table t3,t2,t1;
@@ -78,6 +78,16 @@ alter table t3 UNION=(t1,t2);
 select count(*) from t3;
 alter table t3 TYPE=MYISAM;
 select count(*) from t3;
+
+# Test that ALTER TABLE rembers the old UNION
+
+drop table t3;
+CREATE TABLE t3 (incr int not null, othr int not null, primary key(incr))
+TYPE=MERGE UNION=(t1,t2);
+show create table t3;
+alter table t3 drop primary key;
+show create table t3;
+
 drop table t3,t2,t1;
 
 #

mysql-test/t/replace.test

@@ -20,3 +20,17 @@ replace into t1 (gesuchnr,benutzer_id) values (1,1);
 alter table t1 type=heap;
 replace into t1 (gesuchnr,benutzer_id) values (1,1);
 drop table t1;
+
+#
+# Test when using replace on a key that has used up it's whole range
+#
+
+create table t1 (a tinyint not null auto_increment primary key, b char(20));
+insert into t1 values (126,"first"),(0,"last");
+--error 1062
+insert into t1 values (0,"error");
+--error 1062
+replace into t1 values (0,"error");
+replace into t1 values (126,"first updated");
+select * from t1;
+drop table t1;