Fix to use Monty's changes in frm format

Enable latin1 by default


configure.in:
  Always compile latin1
sql/ha_myisam.cc:
  Fix for "SHOW KEYS FROM table" and various key types
sql/sql_show.cc:
  Fix to use Monty's changes in frm format
sql/sql_table.cc:
  Fix to use Monty's changes in frm format
sql/structs.h:
  Fix to use Monty's changes in frm format
sql/table.cc:
  Fix to use Monty's changes in frm format

configure.in

@@ -2086,6 +2086,9 @@ do
   esac
 done
 
+dnl Always compile latin1
+AC_DEFINE(HAVE_CHARSET_latin1)
+      
 if test "$use_mb" = "yes"
 then
   AC_DEFINE(USE_MB)

sql/ha_myisam.cc

@@ -126,6 +126,10 @@ const char *ha_myisam::index_type(uint key_number)
 {
   return ((table->key_info[key_number].flags & HA_FULLTEXT) ? 
 	  "FULLTEXT" :
+	  (table->key_info[key_number].flags & HA_SPATIAL) ?
+	  "SPATIAL" :
+	  (table->key_info[key_number].algorithm == HA_KEY_ALG_RTREE) ?
+	  "RTREE" :
 	  "BTREE");
 }
 
@@ -1006,7 +1010,7 @@ int ha_myisam::create(const char *name, register TABLE *table,
   for (i=0; i < table->keys ; i++, pos++)
   {
     keydef[i].flag= (pos->flags & (HA_NOSAME | HA_FULLTEXT | HA_SPATIAL));
-    keydef[i].key_alg=pos->key_alg; // +BAR
+    keydef[i].key_alg=pos->algorithm;
     keydef[i].seg=keyseg;
     keydef[i].keysegs=pos->key_parts;
     for (j=0 ; j < pos->key_parts ; j++)

sql/sql_show.cc

@@ -890,7 +890,7 @@ store_create_info(THD *thd, TABLE *table, String *packet)
      append_identifier(thd,packet,key_info->name);
 
     // +BAR: send USING only in non-default case: non-spatial rtree
-    if((key_info->key_alg == HA_KEY_ALG_RTREE) && !(key_info->flags & HA_SPATIAL))
+    if((key_info->algorithm == HA_KEY_ALG_RTREE) && !(key_info->flags & HA_SPATIAL))
           packet->append(" USING RTREE",12);
 
     packet->append(" (", 2);

sql/sql_table.cc

@@ -454,7 +454,7 @@ int mysql_create_table(THD *thd,const char *db, const char *table_name,
         key_info->flags = HA_NOSAME;
     }
 
-    key_info->key_alg = key->algorithm;
+    key_info->algorithm = key->algorithm;
     key_info->key_parts=(uint8) key->columns.elements;
     key_info->key_part=key_part_info;
     key_info->usable_key_parts= key_number;
@@ -477,6 +477,9 @@ int mysql_create_table(THD *thd,const char *db, const char *table_name,
        checking for proper key parts number:
     */
    
+printf("key_info->flags=%d key_info->algorithm=%d\n",
+  key_info->flags,key_info->algorithm);
+ 
     if(key_info->flags == HA_SPATIAL){
       if(key_info->key_parts!=1){
         my_printf_error(ER_WRONG_ARGUMENTS,
@@ -485,7 +488,7 @@ int mysql_create_table(THD *thd,const char *db, const char *table_name,
       }
     }else
     {
-      if(key_info->key_alg == HA_KEY_ALG_RTREE){
+      if(key_info->algorithm == HA_KEY_ALG_RTREE){
         if((key_info->key_parts&1)==1){
           my_printf_error(ER_WRONG_ARGUMENTS,
                           ER(ER_WRONG_ARGUMENTS),MYF(0),"RTREE INDEX");
@@ -1584,7 +1587,7 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
 				  Key::PRIMARY  : Key::UNIQUE) :
                                  (key_info->flags & HA_FULLTEXT ?
                                  Key::FULLTEXT : Key::MULTIPLE)),
-                                 key_info->key_alg,
+                                 key_info->algorithm,
 				 key_name,key_parts));
   }
   key_it.rewind();

sql/structs.h

@@ -64,7 +64,6 @@ typedef struct st_key_part_info {	/* Info about a key part */
 typedef struct st_key {
   uint	key_length;			/* Tot length of key */
   uint	flags;				/* dupp key and pack flags */
-  enum  ha_key_alg key_alg;		/* +BAR Algorithm BTREE or RTREE */
   uint	key_parts;			/* How many key_parts */
   uint  extra_length;
   uint	usable_key_parts;		/* Should normally be = key_parts */

sql/table.cc

@@ -201,6 +201,13 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
     for (i=0 ; i < keys ; i++, keyinfo++)
       keyinfo->algorithm= (enum ha_key_alg) *(strpos++);
   }
+  else
+  {
+    /* Set key types to BTREE, BAR TODO: how to be with HASH/RBTREE? */
+    keyinfo=outparam->key_info;
+    for (i=0 ; i < keys ; i++, keyinfo++)
+      keyinfo->algorithm= HA_KEY_ALG_BTREE;
+  }
   outparam->reclength = uint2korr((head+16));
   if (*(head+26) == 1)
     outparam->system=1;				/* one-record-database */
@@ -408,10 +415,12 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
 	}
       }
 
-      keyinfo->key_alg=HA_KEY_ALG_BTREE;  // BAR : btree by default
+      if (keyinfo->name[0]=='S')
+	keyinfo->flags |= HA_SPATIAL;
 
-#define BAR_DIRTY_HACK
 #ifdef BAR_DIRTY_HACK
+      keyinfo->key_alg=HA_KEY_ALG_BTREE;  // BAR : btree by default
+
       // BAR FIXME: Dirty hack while waiting for new .frm format
       switch(keyinfo->name[0]){
         case 'R':