Trying to merge....

Docs/manual.texi:
  t

Docs/Makefile.am

@@ -27,7 +27,7 @@ EXTRA_DIST =		$(noinst_SCRIPTS) $(BUILT_SOURCES) mysqld_error.txt \
 all:			$(targets) txt_files
 
 txt_files:		../INSTALL-SOURCE ../COPYING ../COPYING.LIB \
-			../MIRRORS INSTALL-BINARY
+			INSTALL-BINARY # ../MIRRORS
 
 CLEAN_FILES:		$(BUILD_SOURCES)
 	touch $(BUILD_SOURCES)
@@ -254,8 +254,8 @@ INSTALL-BINARY:	mysql.info $(GT)
 ../COPYING.LIB:		mysql.info $(GT)
 	perl -w $(GT) mysql.info "LGPL license" "Function Index" > $@
 
-../MIRRORS:		manual.texi $(srcdir)/Support/generate-mirror-listing.pl
-	perl -w $(srcdir)/Support/generate-mirror-listing.pl manual.texi > $@
+#../MIRRORS:		manual.texi $(srcdir)/Support/generate-mirror-listing.pl
+#	perl -w $(srcdir)/Support/generate-mirror-listing.pl manual.texi > $@
 
 # Don't update the files from bitkeeper
 %::SCCS/s.%

Makefile.am

@@ -20,7 +20,7 @@ AUTOMAKE_OPTIONS =	foreign
 
 # These are built from source in the Docs directory
 EXTRA_DIST =		INSTALL-SOURCE README \
-			COPYING COPYING.LIB MIRRORS
+			COPYING COPYING.LIB
 SUBDIRS =		include @docs_dirs@ @readline_dir@ \
 			@thread_dirs@ pstack @sql_client_dirs@ \
 			@sql_server_dirs@ @libmysqld_dirs@ scripts man \

include/my_sys.h

@@ -323,8 +323,7 @@ typedef struct st_io_cache_share
   int             count;
   /* actual IO_CACHE that filled the buffer */
   struct st_io_cache *active;
-  /* the following will be implemented whenever the need arises */
-#ifdef NOT_IMPLEMENTED
+#ifdef NOT_YET_IMPLEMENTED
   /* whether the structure should be free'd */
   my_bool alloced;
 #endif

include/myisam.h

@@ -358,7 +358,7 @@ typedef struct st_sort_info
   MI_CHECK *param;
   enum data_file_type new_data_file_type;
   SORT_KEY_BLOCKS *key_block,*key_block_end;
-  uint kei, total_keys;
+  uint current_key, total_keys;
   my_off_t filelength,dupp,buff_length;
   ha_rows max_records;
   char *buff;

libmysqld/Makefile.am

@@ -49,7 +49,7 @@ sqlsources = convert.cc derror.cc field.cc field_conv.cc filesort.cc \
 	repl_failsafe.cc slave.cc \
 	sql_analyse.cc sql_base.cc sql_cache.cc sql_class.cc \
 	sql_crypt.cc sql_db.cc sql_delete.cc sql_insert.cc sql_lex.cc \
-	sql_list.cc sql_manager.cc sql_map.cc sql_parse.cc \
+	sql_list.cc sql_manager.cc sql_map.cc sql_olap.cc sql_parse.cc \
 	sql_rename.cc sql_repl.cc sql_select.cc sql_do.cc sql_show.cc \
 	sql_string.cc sql_table.cc sql_test.cc sql_udf.cc \
 	sql_update.cc sql_yacc.cc table.cc thr_malloc.cc time.cc \

myisam/mi_check.c

@@ -3223,7 +3223,7 @@ static int sort_delete_record(MI_SORT_PARAM *sort_param)
 
   old_file=info->dfile;
   info->dfile=info->rec_cache.file;
-  if (sort_info->kei)
+  if (sort_info->current_key)
   {
     key=info->lastkey+info->s->base.max_key_length;
     if ((error=(*info->s->read_rnd)(info,sort_param->record,info->lastpos,0)) &&
@@ -3234,7 +3234,7 @@ static int sort_delete_record(MI_SORT_PARAM *sort_param)
       DBUG_RETURN(1);
     }
 
-    for (i=0 ; i < sort_info->kei ; i++)
+    for (i=0 ; i < sort_info->current_key ; i++)
     {
       uint key_length=_mi_make_key(info,i,key,sort_param->record,info->lastpos);
       if (_mi_ck_delete(info,i,key,key_length))

mysql-test/r/merge.result

@@ -275,12 +275,12 @@ a	b
 1	2
 drop table t3,t1,t2;
 drop table if exists t6, t5, t4, t3, t2, t1;
-create table t1 (a int not null, b int not null, key(a,b));
-create table t2 (a int not null, b int not null, key(a,b));
+create table t1 (a int not null, b int not null auto_increment, primary key(a,b));
+create table t2 (a int not null, b int not null auto_increment, primary key(a,b));
 create table t3 (a int not null, b int not null, key(a,b)) UNION=(t1,t2) INSERT_METHOD=NO;
 create table t4 (a int not null, b int not null, key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=NO;
-create table t5 (a int not null, b int not null, key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
-create table t6 (a int not null, b int not null, key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;
+create table t5 (a int not null, b int not null auto_increment, primary key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
+create table t6 (a int not null, b int not null auto_increment, primary key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;
 show create table t3;
 Table	Create Table
 t3	CREATE TABLE `t3` (
@@ -299,18 +299,18 @@ show create table t5;
 Table	Create Table
 t5	CREATE TABLE `t5` (
   `a` int(11) NOT NULL default '0',
-  `b` int(11) NOT NULL default '0',
-  KEY `a` (`a`,`b`)
+  `b` int(11) NOT NULL auto_increment,
+  PRIMARY KEY  (`a`,`b`)
 ) TYPE=MRG_MyISAM INSERT_METHOD=FIRST UNION=(t1,t2)
 show create table t6;
 Table	Create Table
 t6	CREATE TABLE `t6` (
   `a` int(11) NOT NULL default '0',
-  `b` int(11) NOT NULL default '0',
-  KEY `a` (`a`,`b`)
+  `b` int(11) NOT NULL auto_increment,
+  PRIMARY KEY  (`a`,`b`)
 ) TYPE=MRG_MyISAM INSERT_METHOD=LAST UNION=(t1,t2)
-insert into t1 values (1,1),(1,2),(1,3),(1,4);
-insert into t2 values (2,1),(2,2),(2,3),(2,4);
+insert into t1 values (1,NULL),(1,NULL),(1,NULL),(1,NULL);
+insert into t2 values (2,NULL),(2,NULL),(2,NULL),(2,NULL);
 select * from t3 order by b,a limit 3;
 a	b
 select * from t4 order by b,a limit 3;
@@ -461,6 +461,73 @@ a	b
 5	2
 6	1
 6	2
+select 1;
+1
+1
+insert into t5 values (1,NULL),(5,NULL);
+insert into t6 values (2,NULL),(6,NULL);
+select * from t1 order by a,b;
+a	b
+1	1
+1	2
+1	3
+1	4
+1	5
+4	1
+4	2
+5	1
+5	2
+5	3
+select * from t2 order by a,b;
+a	b
+2	1
+2	2
+2	3
+2	4
+2	5
+6	1
+6	2
+6	3
+select * from t5 order by a,b;
+a	b
+1	1
+1	2
+1	3
+1	4
+1	5
+2	1
+2	2
+2	3
+2	4
+2	5
+4	1
+4	2
+5	1
+5	2
+5	3
+6	1
+6	2
+6	3
+select * from t6 order by a,b;
+a	b
+1	1
+1	2
+1	3
+1	4
+1	5
+2	1
+2	2
+2	3
+2	4
+2	5
+4	1
+4	2
+5	1
+5	2
+5	3
+6	1
+6	2
+6	3
 drop table if exists t6, t5, t4, t3, t2, t1;
 CREATE TABLE t1 (  a int(11) NOT NULL default '0',  b int(11) NOT NULL default '0',  PRIMARY KEY  (a,b)) TYPE=MyISAM;
 INSERT INTO t1 VALUES (1,1), (2,1);

mysql-test/t/merge.test

@@ -129,18 +129,18 @@ drop table t3,t1,t2;
 
 drop table if exists t6, t5, t4, t3, t2, t1;
 # first testing of common stuff with new parameters
-create table t1 (a int not null, b int not null, key(a,b));
-create table t2 (a int not null, b int not null, key(a,b));
+create table t1 (a int not null, b int not null auto_increment, primary key(a,b));
+create table t2 (a int not null, b int not null auto_increment, primary key(a,b));
 create table t3 (a int not null, b int not null, key(a,b)) UNION=(t1,t2) INSERT_METHOD=NO;
 create table t4 (a int not null, b int not null, key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=NO;
-create table t5 (a int not null, b int not null, key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
-create table t6 (a int not null, b int not null, key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;
+create table t5 (a int not null, b int not null auto_increment, primary key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
+create table t6 (a int not null, b int not null auto_increment, primary key(a,b)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;
 show create table t3;
 show create table t4;
 show create table t5;
 show create table t6;
-insert into t1 values (1,1),(1,2),(1,3),(1,4);
-insert into t2 values (2,1),(2,2),(2,3),(2,4);
+insert into t1 values (1,NULL),(1,NULL),(1,NULL),(1,NULL);
+insert into t2 values (2,NULL),(2,NULL),(2,NULL),(2,NULL);
 select * from t3 order by b,a limit 3;
 select * from t4 order by b,a limit 3;
 select * from t5 order by b,a limit 3,3;
@@ -167,7 +167,16 @@ select * from t2 order by a,b;
 select * from t3 order by a,b;
 select * from t4 order by a,b;
 select * from t5 order by a,b;
+# auto_increment
+select 1;
+insert into t5 values (1,NULL),(5,NULL);
+insert into t6 values (2,NULL),(6,NULL);
+select * from t1 order by a,b;
+select * from t2 order by a,b;
+select * from t5 order by a,b;
+select * from t6 order by a,b;
 drop table if exists t6, t5, t4, t3, t2, t1;
+
 CREATE TABLE t1 (  a int(11) NOT NULL default '0',  b int(11) NOT NULL default '0',  PRIMARY KEY  (a,b)) TYPE=MyISAM;
 INSERT INTO t1 VALUES (1,1), (2,1);
 CREATE TABLE t2 (  a int(11) NOT NULL default '0',  b int(11) NOT NULL default '0',  PRIMARY KEY  (a,b)) TYPE=MyISAM;

sql/ha_myisammrg.cc

@@ -75,8 +75,7 @@ int ha_myisammrg::write_row(byte * buf)
   if (table->time_stamp)
     update_timestamp(buf+table->time_stamp-1);
   if (table->next_number_field && buf == table->record[0])
-      return (my_errno=HA_ERR_WRONG_COMMAND);
-  //  update_auto_increment(); - [phi] have to check this before allowing it
+      update_auto_increment();
   return myrg_write(file,buf);
 }
 

sql/ha_myisammrg.h

@@ -34,7 +34,7 @@ class ha_myisammrg: public handler
   const char **bas_ext() const;
   ulong table_flags() const
   {
-    return (HA_REC_NOT_IN_SEQ | HA_READ_RND_SAME |
+    return (HA_REC_NOT_IN_SEQ | HA_READ_RND_SAME | HA_AUTO_PART_KEY |
 	    HA_KEYPOS_TO_RNDPOS | HA_LASTKEY_ORDER |
 	    HA_NULL_KEY | HA_BLOB_KEY);
   }

sql/handler.cc

@@ -628,16 +628,29 @@ longlong handler::get_auto_increment()
 {
   longlong nr;
   int error;
+
   (void) extra(HA_EXTRA_KEYREAD);
   index_init(table->next_number_index);
-  error=index_last(table->record[1]);
+  if (!table->next_number_key_offset)
+  {						// Autoincrement at key-start
+    error=index_last(table->record[1]);
+  }
+  else
+  {
+    byte key[MAX_KEY_LENGTH];
+    key_copy(key,table,table->next_number_index,
+             table->next_number_key_offset);
+    error=index_read(table->record[1], key, table->next_number_key_offset,
+                     HA_READ_PREFIX_LAST);
+  }
+
   if (error)
     nr=1;
   else
     nr=(longlong) table->next_number_field->
       val_int_offset(table->rec_buff_length)+1;
-  (void) extra(HA_EXTRA_NO_KEYREAD);
   index_end();
+  (void) extra(HA_EXTRA_NO_KEYREAD);
   return nr;
 }