Hand-resolved auto merge

BitKeeper/etc/ignore:
  auto-union
sql/handler.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/unireg.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_table.cc:
  Hand-merged
sql/sql_yacc.yy:
  Hand-merged

.bzrignore

@@ -250,6 +250,7 @@ client/thimble
 client/thread_test
 client_test
 cmd-line-utils/libedit/common.h
+cmd-line-utils/libedit/makelist
 comon.h
 config.cache
 config.h
@@ -300,6 +301,7 @@ innobase/ib_config.h
 innobase/ib_config.h.in
 innobase/stamp-h1
 insert_test
+install
 isam/isamchk
 isam/isamlog
 isam/pack_isam
@@ -504,6 +506,7 @@ mysys/main.cc
 mysys/ste5KbMa
 mysys/test_charset
 mysys/test_dir
+mysys/test_gethwaddr
 mysys/test_io_cache
 mysys/test_thr_alarm
 mysys/test_thr_lock
@@ -646,5 +649,3 @@ vio/test-ssl
 vio/test-sslclient
 vio/test-sslserver
 vio/viotest-ssl
-mysys/test_gethwaddr
-cmd-line-utils/libedit/makelist

sql/handler.h

@@ -90,6 +90,20 @@
 #define HA_NOT_READ_PREFIX_LAST	32	/* No support for index_read_last() */
 #define HA_KEY_READ_ONLY	64	/* Support HA_EXTRA_KEYREAD */
 
+
+/*
+   Bits in index_ddl_flags(KEY *wanted_index)
+   for what ddl you can do with index
+   If none is set, the wanted type of index is not supported
+   by the handler at all. See WorkLog 1563.
+*/
+#define HA_DDL_SUPPORT   1 /* Supported by handler */
+#define HA_DDL_WITH_LOCK 2 /* Can create/drop with locked table */
+#define HA_DDL_ONLINE    4 /* Can create/drop without lock */
+
+/* Return value for ddl methods */
+#define HA_DDL_NOT_IMPLEMENTED -1
+
 /*
   Parameters for open() (in register form->filestat)
   HA_GET_INFO does an implicit HA_ABORT_IF_LOCKED
@@ -355,6 +369,20 @@ public:
   {
     return (HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_KEY_READ_ONLY);
   }
+  virtual ulong index_ddl_flags(KEY *wanted_index) const
+  {
+    return (HA_DDL_SUPPORT);
+  }
+  virtual int add_index(TABLE *table, KEY *key_info, uint num_of_keys)
+  {
+    my_error(ER_NOT_SUPPORTED_YET, MYF(0), "online add index");
+    return (HA_DDL_NOT_IMPLEMENTED);
+  }
+  virtual int drop_index(TABLE *table, uint *key_num, uint num_of_keys)
+  {
+    my_error(ER_NOT_SUPPORTED_YET, MYF(0), "online drop index");
+    return (HA_DDL_NOT_IMPLEMENTED);
+  }
   virtual uint max_record_length() const =0;
   virtual uint max_keys() const =0;
   virtual uint max_key_parts() const =0;

sql/mysql_priv.h

@@ -488,6 +488,11 @@ int mysql_handle_derived(LEX *lex);
 Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
 			Item ***copy_func, Field **from_field,
 			bool group,bool modify_item);
+int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
+		       List<create_field> &fields,
+		       List<Key> &keys, uint &db_options, 
+		       handler *file, KEY *&key_info_buffer,
+		       uint &key_count, int select_field_count);
 int mysql_create_table(THD *thd,const char *db, const char *table_name,
 		       HA_CREATE_INFO *create_info,
 		       List<create_field> &fields, List<Key> &keys,
@@ -504,11 +509,23 @@ int mysql_alter_table(THD *thd, char *new_db, char *new_name,
 		      List<create_field> &fields,
 		      List<Key> &keys,List<Alter_drop> &drop_list,
 		      List<Alter_column> &alter_list,
-                      uint order_num, ORDER *order,
+                      uint order_num, ORDER *order, int alter_flags,
 		      enum enum_duplicates handle_duplicates,
 		      enum enum_enable_or_disable keys_onoff=LEAVE_AS_IS,
 		      enum tablespace_op_type tablespace_op=NO_TABLESPACE_OP,
 		      bool simple_alter=0);
+int real_alter_table(THD *thd, char *new_db, char *new_name,
+		     HA_CREATE_INFO *create_info,
+		     TABLE_LIST *table_list,
+                     TABLE *table,
+		     List<create_field> &fields,
+		     List<Key> &keys,List<Alter_drop> &drop_list,
+		     List<Alter_column> &alter_list,
+                     uint order_num, ORDER *order, int alter_flags,
+		     enum enum_duplicates handle_duplicates,
+		     enum enum_enable_or_disable keys_onoff=LEAVE_AS_IS,
+		     enum tablespace_op_type tablespace_op=NO_TABLESPACE_OP,
+		     bool simple_alter=0);
 int mysql_create_like_table(THD *thd, TABLE_LIST *table,
                             HA_CREATE_INFO *create_info,
                             Table_ident *src_table);
@@ -520,6 +537,10 @@ bool mysql_rename_table(enum db_type base,
 int mysql_create_index(THD *thd, TABLE_LIST *table_list, List<Key> &keys);
 int mysql_drop_index(THD *thd, TABLE_LIST *table_list,
 		     List<Alter_drop> &drop_list);
+int mysql_add_column(THD *thd, TABLE_LIST *table_list,
+		     List<create_field> &fields);
+int mysql_drop_column(THD *thd, TABLE_LIST *table_list,
+		      List<Alter_drop> &drop_list);
 int mysql_update(THD *thd,TABLE_LIST *tables,List<Item> &fields,
 		 List<Item> &values,COND *conds,
                  uint order_num, ORDER *order, ha_rows limit,
@@ -923,6 +944,9 @@ void unlock_table_names(THD *thd, TABLE_LIST *table_list,
 
 void unireg_init(ulong options);
 void unireg_end(void);
+int mysql_create_frm(THD *thd, my_string file_name,HA_CREATE_INFO *create_info,
+		     List<create_field> &create_field,
+		     uint key_count,KEY *key_info,handler *db_type);
 int rea_create_table(THD *thd, my_string file_name,HA_CREATE_INFO *create_info,
 		     List<create_field> &create_field,
 		     uint key_count,KEY *key_info);

sql/sql_base.cc

@@ -2604,45 +2604,6 @@ static void mysql_rm_tmp_tables(void)
 }
 
 
-/*
-  CREATE INDEX and DROP INDEX are implemented by calling ALTER TABLE with
-  the proper arguments.  This isn't very fast but it should work for most
-  cases.
-  One should normally create all indexes with CREATE TABLE or ALTER TABLE.
-*/
-
-int mysql_create_index(THD *thd, TABLE_LIST *table_list, List<Key> &keys)
-{
-  List<create_field> fields;
-  List<Alter_drop> drop;
-  List<Alter_column> alter;
-  HA_CREATE_INFO create_info;
-  DBUG_ENTER("mysql_create_index");
-  bzero((char*) &create_info,sizeof(create_info));
-  create_info.db_type=DB_TYPE_DEFAULT;
-  create_info.default_table_charset= thd->variables.collation_database;
-  DBUG_RETURN(mysql_alter_table(thd,table_list->db,table_list->real_name,
-				&create_info, table_list,
-				fields, keys, drop, alter, 0, (ORDER*)0,
-				DUP_ERROR));
-}
-
-
-int mysql_drop_index(THD *thd, TABLE_LIST *table_list, List<Alter_drop> &drop)
-{
-  List<create_field> fields;
-  List<Key> keys;
-  List<Alter_column> alter;
-  HA_CREATE_INFO create_info;
-  DBUG_ENTER("mysql_drop_index");
-  bzero((char*) &create_info,sizeof(create_info));
-  create_info.db_type=DB_TYPE_DEFAULT;
-  create_info.default_table_charset= thd->variables.collation_database;
-  DBUG_RETURN(mysql_alter_table(thd,table_list->db,table_list->real_name,
-				&create_info, table_list,
-				fields, keys, drop, alter, 0, (ORDER*)0,
-				DUP_ERROR));
-}
 
 /*****************************************************************************
 	unireg support functions

sql/sql_lex.h

@@ -509,6 +509,14 @@ public:
 };
 typedef class st_select_lex SELECT_LEX;
 
+#define ALTER_ADD_COLUMN	1
+#define ALTER_DROP_COLUMN	2
+#define ALTER_CHANGE_COLUMN	4
+#define ALTER_ADD_INDEX		8
+#define ALTER_DROP_INDEX	16
+#define ALTER_RENAME		32
+#define ALTER_ORDER		64
+#define ALTER_OPTIONS		128
 
 /* The state of the lex parsing. This is saved in the THD struct */
 
@@ -578,6 +586,7 @@ typedef struct st_lex
   uint grant, grant_tot_col, which_columns;
   uint fk_delete_opt, fk_update_opt, fk_match_option;
   uint slave_thd_opt;
+  uint alter_flags;
   uint8 describe;
   bool drop_if_exists, drop_temporary, local_file;
   bool in_comment, ignore_space, verbose, simple_alter, no_write_to_binlog;

sql/sql_parse.cc

@@ -2391,6 +2391,7 @@ unsent_create_error:
 			       lex->key_list, lex->drop_list, lex->alter_list,
 			       select_lex->order_list.elements,
                                (ORDER *) select_lex->order_list.first,
+			       lex->alter_flags,
 			       lex->duplicates,
 			       lex->alter_keys_onoff,
                                lex->tablespace_op,
@@ -2541,7 +2542,7 @@ unsent_create_error:
       res= mysql_alter_table(thd, NullS, NullS, &create_info,
 			     tables, lex->create_list,
 			     lex->key_list, lex->drop_list, lex->alter_list,
-                             0, (ORDER *) 0,
+                             0, (ORDER *) 0, 0,
 			     DUP_ERROR);
     }
     else

sql/sql_yacc.yy

@@ -1439,10 +1439,29 @@ attribute:
           { Lex->on_update_value= new Item_func_now_local(); }
 	| AUTO_INC	  { Lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG; }
 	| SERIAL_SYM DEFAULT VALUE_SYM
-	  { Lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNIQUE_FLAG; }
-	| opt_primary KEY_SYM { Lex->type|= PRI_KEY_FLAG | NOT_NULL_FLAG; }
-	| UNIQUE_SYM	  { Lex->type|= UNIQUE_FLAG; }
-	| UNIQUE_SYM KEY_SYM { Lex->type|= UNIQUE_KEY_FLAG; }
+	  { 
+	    LEX *lex=Lex;
+	    lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNIQUE_FLAG; 
+	    lex->alter_flags|= ALTER_ADD_INDEX; 
+	  }
+	| opt_primary KEY_SYM 
+	  {
+	    LEX *lex=Lex;
+	    lex->type|= PRI_KEY_FLAG | NOT_NULL_FLAG; 
+	    lex->alter_flags|= ALTER_ADD_INDEX; 
+	  }
+	| UNIQUE_SYM	  
+	  {
+	    LEX *lex=Lex;
+	    lex->type|= UNIQUE_FLAG; 
+	    lex->alter_flags|= ALTER_ADD_INDEX; 
+	  }
+	| UNIQUE_SYM KEY_SYM 
+	  {
+	    LEX *lex=Lex;
+	    lex->type|= UNIQUE_KEY_FLAG; 
+	    lex->alter_flags|= ALTER_ADD_INDEX; 
+	  }
 	| COMMENT_SYM TEXT_STRING_sys { Lex->comment= &$2; }
 	| BINARY { Lex->type|= BINCMP_FLAG; }
 	| COLLATE_SYM collation_name
@@ -1700,6 +1719,7 @@ alter:
           lex->alter_keys_onoff=LEAVE_AS_IS;
 	  lex->tablespace_op=NO_TABLESPACE_OP;
           lex->simple_alter=1;
+	  lex->alter_flags=0;
 	}
 	alter_list
 	{}
@@ -1718,16 +1738,28 @@ alter_list:
 	| alter_list ',' alter_list_item;
 
 add_column:
-	ADD opt_column { Lex->change=0; };
+	ADD opt_column 
+	{
+	  LEX *lex=Lex;
+	  lex->change=0; 
+	  lex->alter_flags|= ALTER_ADD_COLUMN; 
+	};
 
 alter_list_item:
 	add_column column_def opt_place { Lex->simple_alter=0; }
-	| ADD key_def { Lex->simple_alter=0; }
+	| ADD key_def 
+	  { 
+	    LEX *lex=Lex;
+	    lex->simple_alter=0; 
+	    lex->alter_flags|= ALTER_ADD_INDEX; 
+	  }
 	| add_column '(' field_list ')'      { Lex->simple_alter=0; }
 	| CHANGE opt_column field_ident
 	  {
 	     LEX *lex=Lex;
-	     lex->change= $3.str; lex->simple_alter=0;
+	     lex->change= $3.str; 
+	     lex->simple_alter=0;
+	     lex->alter_flags|= ALTER_CHANGE_COLUMN;
 	  }
           field_spec opt_place
         | MODIFY_SYM opt_column field_ident
@@ -1738,6 +1770,7 @@ alter_list_item:
 	    lex->comment=0;
 	    lex->charset= NULL;
             lex->simple_alter=0;
+	    lex->alter_flags|= ALTER_CHANGE_COLUMN;
           }
           type opt_attribute
           {
@@ -1756,7 +1789,9 @@ alter_list_item:
 	  {
 	    LEX *lex=Lex;
 	    lex->drop_list.push_back(new Alter_drop(Alter_drop::COLUMN,
-					    $3.str)); lex->simple_alter=0;
+        					    $3.str)); 
+	    lex->simple_alter=0;
+	    lex->alter_flags|= ALTER_DROP_COLUMN;
 	  }
 	| DROP FOREIGN KEY_SYM opt_ident { Lex->simple_alter=0; }
 	| DROP PRIMARY_SYM KEY_SYM
@@ -1765,6 +1800,7 @@ alter_list_item:
 	    lex->drop_list.push_back(new Alter_drop(Alter_drop::KEY,
 						    primary_key_name));
 	    lex->simple_alter=0;
+	    lex->alter_flags|= ALTER_DROP_INDEX;
 	  }
 	| DROP key_or_index field_ident
 	  {
@@ -1772,6 +1808,7 @@ alter_list_item:
 	    lex->drop_list.push_back(new Alter_drop(Alter_drop::KEY,
 						    $3.str));
 	    lex->simple_alter=0;
+	    lex->alter_flags|= ALTER_DROP_INDEX;
 	  }
 	| DISABLE_SYM KEYS { Lex->alter_keys_onoff=DISABLE; }
 	| ENABLE_SYM KEYS  { Lex->alter_keys_onoff=ENABLE; }
@@ -1780,18 +1817,21 @@ alter_list_item:
 	    LEX *lex=Lex;
 	    lex->alter_list.push_back(new Alter_column($3.str,$6));
 	    lex->simple_alter=0;
+	    lex->alter_flags|= ALTER_CHANGE_COLUMN;
 	  }
 	| ALTER opt_column field_ident DROP DEFAULT
 	  {
 	    LEX *lex=Lex;
 	    lex->alter_list.push_back(new Alter_column($3.str,(Item*) 0));
 	    lex->simple_alter=0;
+	    lex->alter_flags|= ALTER_CHANGE_COLUMN;
 	  }
 	| RENAME opt_to table_ident
 	  {
 	    LEX *lex=Lex;
 	    lex->select_lex.db=$3->db.str;
 	    lex->name= $3->table.str;
+	    lex->alter_flags|= ALTER_RENAME;
 	  }
 	| CONVERT_SYM TO_SYM charset charset_name_or_default opt_collate
 	  {
@@ -1814,8 +1854,18 @@ alter_list_item:
 					    HA_CREATE_USED_DEFAULT_CHARSET);
 	    lex->simple_alter= 0;
 	  }
-        | create_table_options_space_separated { Lex->simple_alter=0; }
-	| order_clause         { Lex->simple_alter=0; };
+        | create_table_options_space_separated 
+	  {
+	    LEX *lex=Lex;
+	    lex->simple_alter=0; 
+	    lex->alter_flags|= ALTER_OPTIONS;
+	  }
+	| order_clause         
+	  {
+	    LEX *lex=Lex;
+	    lex->simple_alter=0; 
+	    lex->alter_flags|= ALTER_ORDER;
+	  };
 
 opt_column:
 	/* empty */	{}

sql/unireg.cc

@@ -47,10 +47,11 @@ static bool make_empty_rec(int file, enum db_type table_type,
 			   uint reclength,uint null_fields);
 
 
-int rea_create_table(THD *thd, my_string file_name,
+int mysql_create_frm(THD *thd, my_string file_name,
 		     HA_CREATE_INFO *create_info,
 		     List<create_field> &create_fields,
-		     uint keys, KEY *key_info)
+		     uint keys, KEY *key_info,
+		     handler *db_file)
 {
   uint reclength,info_length,screens,key_info_length,maxlength,null_fields;
   File file;
@@ -58,13 +59,13 @@ int rea_create_table(THD *thd, my_string file_name,
   uchar fileinfo[64],forminfo[288],*keybuff;
   TYPELIB formnames;
   uchar *screen_buff;
-  handler *db_file;
   DBUG_ENTER("rea_create_table");
 
   formnames.type_names=0;
   if (!(screen_buff=pack_screens(create_fields,&info_length,&screens,0)))
     DBUG_RETURN(1);
-  db_file=get_new_handler((TABLE*) 0, create_info->db_type);
+  if (db_file == NULL)
+    db_file=get_new_handler((TABLE*) 0, create_info->db_type);
   if (pack_header(forminfo, create_info->db_type,create_fields,info_length,
 		  screens, create_info->table_options, db_file))
   {
@@ -155,8 +156,7 @@ int rea_create_table(THD *thd, my_string file_name,
   if (opt_sync_frm && !(create_info->options & HA_LEX_CREATE_TMP_TABLE) &&
       my_sync(file, MYF(MY_WME)))
     goto err2;
-  if (my_close(file,MYF(MY_WME)) ||
-      ha_create_table(file_name,create_info,0))
+  if (my_close(file,MYF(MY_WME)))
     goto err3;
   DBUG_RETURN(0);
 
@@ -166,6 +166,23 @@ err:
 err2:
   VOID(my_close(file,MYF(MY_WME)));
 err3:
+  DBUG_RETURN(1);
+} /* mysql_create_frm */
+
+int rea_create_table(THD *thd, my_string file_name,
+		     HA_CREATE_INFO *create_info,
+		     List<create_field> &create_fields,
+		     uint keys, KEY *key_info)
+{
+  DBUG_ENTER("rea_create_table");
+
+  if (mysql_create_frm(thd, file_name, create_info,
+  		       create_fields, keys, key_info, NULL) ||
+      ha_create_table(file_name,create_info,0))
+    goto err;
+  DBUG_RETURN(0);
+
+err:
   my_delete(file_name,MYF(0));
   DBUG_RETURN(1);
 } /* rea_create_table */