Merge work:/home/bk/mysql-4.0

into serg.mysql.com:/usr/home/serg/Abk/mysql-4.0

include/ft_global.h

@@ -32,7 +32,7 @@ extern "C" {
 typedef struct st_ft_info FT_INFO;
 struct _ft_vft {
   int       (*read_next)(FT_INFO *, char *);
-  float     (*find_relevance)(FT_INFO *, my_off_t);
+  float     (*find_relevance)(FT_INFO *, my_off_t, byte *);
   void      (*close_search)(FT_INFO *);
   float     (*get_relevance)(FT_INFO *);
   my_off_t  (*get_docid)(FT_INFO *);

myisam/ft_boolean_search.c

@@ -321,9 +321,9 @@ int ft_boolean_read_next(FT_INFO *ftb, char *record)
   return my_errno=HA_ERR_END_OF_FILE;
 }
 
-float ft_boolean_find_relevance(FT_INFO *ftb, my_off_t docid)
+float ft_boolean_find_relevance(FT_INFO *ftb,
+    my_off_t docid __attribute__((unused)), byte *record)
 {
-  fprintf(stderr, "ft_boolean_find_relevance called!\n");
   return -1.0; /* to be done via str scan */
 }
 

myisam/ft_nlq_search.c

@@ -247,7 +247,8 @@ int ft_nlq_read_next(FT_INFO *handler, char *record)
   return my_errno;
 }
 
-float ft_nlq_find_relevance(FT_INFO *handler, my_off_t docid)
+float ft_nlq_find_relevance(FT_INFO *handler, my_off_t docid,
+    byte *record __attribute__((unused)))
 {
   int a,b,c;
   FT_DOC  *docs=handler->doc;

myisam/ft_update.c

@@ -164,41 +164,35 @@ int _mi_ft_update(MI_INFO *info, uint keynr, byte *keybuf,
   int error= -1;
   FT_WORD *oldlist,*newlist, *old_word, *new_word;
   uint key_length;
-  int cmp;
+  int cmp, cmp2;
 
   if (!(old_word=oldlist=_mi_ft_parserecord(info, keynr, keybuf, oldrec)))
     goto err0;
   if (!(new_word=newlist=_mi_ft_parserecord(info, keynr, keybuf, newrec)))
     goto err1;
 
+  error=0;
   while(old_word->pos && new_word->pos)
   {
     cmp=_mi_compare_text(default_charset_info,
 	                 (uchar*) old_word->pos,old_word->len,
 			 (uchar*) new_word->pos,new_word->len,0);
-    if (cmp==0)
-      cmp=sgn(old_word->weight-new_word->weight);
-    else
-      cmp=sgn(cmp);
+    cmp2= cmp ? 0 : (abs(old_word->weight - new_word->weight) > 1.e-5);
 
-    switch (cmp) {
-    case -1:
+    if (cmp < 0 || cmp2)
+    {
       key_length=_ft_make_key(info,keynr,keybuf,old_word,pos);
       if ((error=_mi_ck_delete(info,keynr,(uchar*) keybuf,key_length)))
         goto err2;
-      old_word++;
-      break;
-    case 0:
-      old_word++;
-      new_word++;
-      break;
-    case 1:
+    }
+    if (cmp > 0 || cmp2)
+    {
       key_length=_ft_make_key(info,keynr,keybuf,new_word,pos);
       if ((error=_mi_ck_write(info,keynr,(uchar*) keybuf,key_length)))
         goto err2;
-      new_word++;
-      break;
-   }
+    }
+    if (cmp<=0) old_word++;
+    if (cmp>=0) new_word++;
  }
  if (old_word->pos)
    error=_mi_ft_erase(info,keynr,keybuf,old_word,pos);

myisam/ftdefs.h

@@ -126,7 +126,7 @@ FT_WORD * _mi_ft_parserecord(MI_INFO *, uint , byte *, const byte *);
 const struct _ft_vft _ft_vft_nlq;
 FT_INFO *ft_init_nlq_search(MI_INFO *, uint, byte *, uint, my_bool);
 int ft_nlq_read_next(FT_INFO *, char *);
-float ft_nlq_find_relevance(FT_INFO *, my_off_t );
+float ft_nlq_find_relevance(FT_INFO *, my_off_t, byte *);
 void ft_nlq_close_search(FT_INFO *);
 float ft_nlq_get_relevance(FT_INFO *);
 my_off_t ft_nlq_get_docid(FT_INFO *);
@@ -135,7 +135,7 @@ void ft_nlq_reinit_search(FT_INFO *);
 const struct _ft_vft _ft_vft_boolean;
 FT_INFO *ft_init_boolean_search(MI_INFO *, uint, byte *, uint, my_bool);
 int ft_boolean_read_next(FT_INFO *, char *);
-float ft_boolean_find_relevance(FT_INFO *, my_off_t );
+float ft_boolean_find_relevance(FT_INFO *, my_off_t, byte *);
 void ft_boolean_close_search(FT_INFO *);
 float ft_boolean_get_relevance(FT_INFO *);
 my_off_t ft_boolean_get_docid(FT_INFO *);

mysql-test/mysql-test-run.sh

@@ -673,9 +673,13 @@ start_master()
       "gdb -x $GDB_MASTER_INIT" $MYSQLD 
     elif [ x$DO_GDB = x1 ]
     then
-      $ECHO "set args $master_args" >  $GDB_MASTER_INIT
-      $ECHO "b mysql_parse"         >> $GDB_MASTER_INIT
-      $ECHO "r"                     >> $GDB_MASTER_INIT
+      $CAT <<__GDB_MASTER_INIT__  > $GDB_MASTER_INIT
+b mysql_parse
+commands 1
+dele 1
+end
+r $master_args
+__GDB_MASTER_INIT__
       manager_launch master $XTERM -display $DISPLAY \
       -title "Master" -e gdb -x $GDB_MASTER_INIT $MYSQLD 
     else	    

mysql-test/r/fulltext.result

@@ -112,3 +112,19 @@ Can't find FULLTEXT index matching the column list
 select * from t2,t3 where MATCH (t2.inhalt,t3.inhalt) AGAINST ('foobar');
 Wrong arguments to MATCH
 drop table t1,t2,t3;
+CREATE TABLE t1 (
+id int(11)  auto_increment,
+title varchar(100)  default '',
+PRIMARY KEY  (id),
+KEY ind5 (title),
+FULLTEXT KEY FT1 (title)
+) TYPE=MyISAM;
+insert into t1 (title) values ('this is a test');
+update t1 set title='this is A test' where id=1;
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+update t1 set title='this test once revealed a bug' where id=1;
+select * from t1;
+id	title
+1	this test once revealed a bug

mysql-test/t/fulltext.test

@@ -92,3 +92,22 @@ select * from t2 where MATCH ticket AGAINST ('foobar');
 select * from t2,t3 where MATCH (t2.inhalt,t3.inhalt) AGAINST ('foobar');
 
 drop table t1,t2,t3;
+
+#
+# two more bugtests
+#
+
+CREATE TABLE t1 (
+  id int(11)  auto_increment,
+  title varchar(100)  default '',
+  PRIMARY KEY  (id),
+  KEY ind5 (title),
+  FULLTEXT KEY FT1 (title)
+) TYPE=MyISAM;
+
+insert into t1 (title) values ('this is a test');
+update t1 set title='this is A test' where id=1;
+check table t1;
+update t1 set title='this test once revealed a bug' where id=1;
+select * from t1;
+

sql/item_func.cc

@@ -2065,6 +2065,7 @@ bool Item_func_match::fix_fields(THD *thd,struct st_table_list *tlist)
   }
   const_item_cache=0;
   table=((Item_field *)fields.head())->field->table;
+  record=table->record[0];
   return 0;
 }
 
@@ -2160,7 +2161,6 @@ bool Item_func_match::eq(const Item *item) const
   return 0;
 }
 
-#if 0
 double Item_func_match::val()
 {
   if (ft_handler==NULL)
@@ -2182,10 +2182,10 @@ double Item_func_match::val()
   if ((null_value=(docid==HA_OFFSET_ERROR)))
     return 0.0;
   else
-    return ft_handler->please->find_relevance(ft_handler, docid);
+    return ft_handler->please->find_relevance(ft_handler, docid, record);
 }
-#endif
 
+#if 0
 double Item_func_match_nl::val()
 {
   if (ft_handler==NULL)
@@ -2207,7 +2207,7 @@ double Item_func_match_nl::val()
   if ((null_value=(docid==HA_OFFSET_ERROR)))
     return 0.0;
   else
-    return ft_handler->please->find_relevance(ft_handler, docid);
+    return ft_handler->please->find_relevance(ft_handler, docid, record);
 }
 
 double Item_func_match_bool::val()
@@ -2226,9 +2226,11 @@ double Item_func_match_bool::val()
     join_key=0;
   }
 
-  null_value=1;
-  return -1.0;
+  return ft_handler->please->find_relevance(ft_handler, docid, record);
+  //null_value=1;
+  //return -1.0;
 }
+#endif
 
 /***************************************************************************
   System variables

sql/item_func.h

@@ -867,9 +867,10 @@ class Item_func_match :public Item_real_func
   bool join_key;
   Item_func_match *master;
   FT_INFO * ft_handler;
+  byte *record;
 
   Item_func_match(List<Item> &a, Item *b): Item_real_func(b),
-       fields(a), table(0),  join_key(0), master(0), ft_handler(0) {}
+       fields(a), table(0), join_key(0), master(0), ft_handler(0) {}
   ~Item_func_match()
   {
     if (!master && ft_handler)
@@ -886,6 +887,7 @@ class Item_func_match :public Item_real_func
   bool fix_fields(THD *thd,struct st_table_list *tlist);
   bool eq(const Item *) const;
   longlong val_int() { return val()!=0.0; }
+  double val();
 
   bool fix_index();
   void init_search(bool no_order);
@@ -896,7 +898,7 @@ class Item_func_match_nl :public Item_func_match
 public:
   Item_func_match_nl(List<Item> &a, Item *b): Item_func_match(a,b) {}
   const char *func_name() const { return "match_nl"; }
-  double val();
+//  double val();
   int ft_handler_init(const byte *query, uint querylen, bool presort)
    {
      ft_handler=table->file->ft_init_ext(FT_NL,key, query, querylen, presort);
@@ -909,7 +911,7 @@ class Item_func_match_bool :public Item_func_match
 public:
   Item_func_match_bool(List<Item> &a, Item *b): Item_func_match(a,b) {}
   const char *func_name() const { return "match_bool"; }
-  double val();
+//  double val();
   int ft_handler_init(const byte *query, uint querylen, bool presort)
    {
      ft_handler=table->file->ft_init_ext(FT_BOOL,key, query, querylen, presort);