ft boolean search by table scan; queue_fix()

include/queues.h:
  queue_fix() introduced
myisam/ft_boolean_search.c:
  ft boolean search by table scan
myisam/ft_parser.c:
  ft boolean search by table scan
myisam/ft_update.c:
  ft boolean search by table scan
myisam/ftdefs.h:
  ft boolean search by table scan
mysql-test/r/fulltext_cache.result:
  ft boolean search by table scan
mysql-test/t/fulltext_cache.test:
  ft boolean search by table scan
mysys/queues.c:
  queue_fix() introduced

include/queues.h

@@ -53,6 +53,7 @@ void delete_queue(QUEUE *queue);
 void queue_insert(QUEUE *queue,byte *element);
 byte *queue_remove(QUEUE *queue,uint idx);
 void _downheap(QUEUE *queue,uint idx);
+void queue_fix(QUEUE *queue);
 #define is_queue_inited(queue) ((queue)->root != 0)
 
 #ifdef	__cplusplus

myisam/ft_parser.c

@@ -33,17 +33,16 @@ typedef struct st_ft_docstat {
   double max, nsum, nsum2;
 #endif /* EVAL_RUN */
 
-  MI_INFO *info;
-  uint keynr;
-  byte *keybuf;
+//  MI_INFO *info;
+//  uint keynr;
+//  byte *keybuf;
 } FT_DOCSTAT;
 
-static int FT_WORD_cmp(void* cmp_arg __attribute__((unused)),
-		       FT_WORD *w1, FT_WORD *w2)
+static int FT_WORD_cmp(void* cmp_arg, FT_WORD *w1, FT_WORD *w2)
 {
   return _mi_compare_text(default_charset_info,
 			  (uchar*) w1->pos,w1->len,
-			  (uchar*) w2->pos, w2->len,0);
+			  (uchar*) w2->pos, w2->len,(my_bool)cmp_arg);
 }
 
 static int walk_and_copy(FT_WORD *word,uint32 count,FT_DOCSTAT *docstat)
@@ -64,7 +63,9 @@ static int walk_and_copy(FT_WORD *word,uint32 count,FT_DOCSTAT *docstat)
 
 /* transforms tree of words into the array, applying normalization */
 
-FT_WORD * ft_linearize(MI_INFO *info, uint keynr, byte *keybuf, TREE *wtree)
+FT_WORD * ft_linearize(//MI_INFO *info, uint keynr,
+    //byte *keybuf,
+    TREE *wtree)
 {
   FT_WORD *wlist,*p;
   FT_DOCSTAT docstat;
@@ -73,9 +74,9 @@ FT_WORD * ft_linearize(MI_INFO *info, uint keynr, byte *keybuf, TREE *wtree)
   if ((wlist=(FT_WORD *) my_malloc(sizeof(FT_WORD)*
 				   (1+wtree->elements_in_tree),MYF(0))))
   {
-    docstat.info=info;
-    docstat.keynr=keynr;
-    docstat.keybuf=keybuf;
+//    docstat.info=info;
+//    docstat.keynr=keynr;
+//    docstat.keybuf=keybuf;
     docstat.list=wlist;
     docstat.uniq=wtree->elements_in_tree;
 #ifdef EVAL_RUN
@@ -207,19 +208,6 @@ byte ft_simple_get_word(byte **start, byte *end, FT_WORD *word)
   return 0;
 }
 
-int is_boolean(byte *q, uint len)
-{
-  if (!len) return 0;
-  if (*q == FTB_YES || *q == FTB_NO) return 1;
-
-  for (++q; --len; ++q)
-  {
-    if ((*q == FTB_YES || *q == FTB_NO) && q[-1] == ' ' && true_word_char(q[1]))
-      return 1;
-  }
-  return 0;
-}
-
 TREE * ft_parse(TREE *wtree, byte *doc, int doclen)
 {
   byte   *end=doc+doclen;

myisam/ft_update.c

@@ -29,17 +29,12 @@
 
 
 /* parses a document i.e. calls _mi_ft_parse for every keyseg */
-FT_WORD * _mi_ft_parserecord(MI_INFO *info, uint keynr, byte *keybuf,
-				    const byte *record)
+uint _mi_ft_parse(TREE *parsed, MI_INFO *info, uint keynr, const byte *record)
 {
-  TREE *parsed, ptree;
-  MI_KEYSEG *keyseg;
   byte *pos;
   uint i;
+  MI_KEYSEG *keyseg=info->s->keyinfo[keynr].seg;
 
-  bzero(parsed=&ptree, sizeof(ptree));
-
-  keyseg=info->s->keyinfo[keynr].seg;
   for (i=info->s->keyinfo[keynr].keysegs-FT_SEGS ; i-- ; )
   {
     uint len;
@@ -62,13 +57,26 @@ FT_WORD * _mi_ft_parserecord(MI_INFO *info, uint keynr, byte *keybuf,
     }
     else
       len=keyseg->length;
-    if (!(parsed=ft_parse(parsed, pos, len)))
-      return NULL;
+    if (!(ft_parse(parsed, pos, len)))
+      return 1;
   }
   /* Handle the case where all columns are NULL */
-  if (!is_tree_inited(parsed) && !(parsed=ft_parse(parsed, (byte*) "", 0)))
+  if (!is_tree_inited(parsed) && !(ft_parse(parsed, (byte*) "", 0)))
+    return 1;
+  else
+    return 0;
+}
+
+FT_WORD * _mi_ft_parserecord(MI_INFO *info, uint keynr, byte *keybuf,
+				    const byte *record)
+{
+  TREE ptree;
+
+  bzero(&ptree, sizeof(ptree));
+  if (_mi_ft_parse(& ptree, info, keynr, record))
     return NULL;
-  return ft_linearize(info, keynr, keybuf, parsed);
+
+  return ft_linearize(/*info, keynr, keybuf, */ & ptree);
 }
 
 static int _mi_ft_store(MI_INFO *info, uint keynr, byte *keybuf,
@@ -158,7 +166,7 @@ int _mi_ft_cmp(MI_INFO *info, uint keynr, const byte *rec1, const byte *rec2)
 }
 
 /* update a document entry */
-int _mi_ft_update(MI_INFO *info, uint keynr, byte *keybuf, 
+int _mi_ft_update(MI_INFO *info, uint keynr, byte *keybuf,
                   const byte *oldrec, const byte *newrec, my_off_t pos)
 {
   int error= -1;

myisam/ftdefs.h

@@ -120,8 +120,8 @@ byte ft_get_word(byte **, byte *, FT_WORD *, FTB_PARAM *);
 byte ft_simple_get_word(byte **, byte *, FT_WORD *);
 
 TREE * ft_parse(TREE *, byte *, int);
-FT_WORD * ft_linearize(MI_INFO *, uint, byte *, TREE *);
-FT_WORD * _mi_ft_parserecord(MI_INFO *, uint , byte *, const byte *);
+FT_WORD * ft_linearize(/*MI_INFO *, uint, byte *, */TREE *);
+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);

mysql-test/r/fulltext_cache.result

@@ -21,8 +21,8 @@ INSERT INTO t2 VALUES (5,2,'um copo de Vodka');
 INSERT INTO t2 VALUES (6,2,'um chocolate Snickers');
 INSERT INTO t2 VALUES (7,1,'Bife');
 INSERT INTO t2 VALUES (8,1,'Pizza de Salmao');
-SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi') as x FROM t1, t2
-WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi')
+as x FROM t1, t2 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
 q	item	id	x
 aaaaaaaaa dsaass de	sushi	1	1.92378664016724
 aaaaaaaaa dsaass de	Bolo de Chocolate	2	0
@@ -32,8 +32,19 @@ ssde df s fsda sad er	um copo de Vodka	5	0
 ssde df s fsda sad er	um chocolate Snickers	6	0
 aaaaaaaaa dsaass de	Bife	7	0
 aaaaaaaaa dsaass de	Pizza de Salmao	8	0
-SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi') as x FROM t2, t1
-WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi' IN BOOLEAN MODE)
+as x FROM t1, t2 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+q	item	id	x
+aaaaaaaaa dsaass de	sushi	1	1
+aaaaaaaaa dsaass de	Bolo de Chocolate	2	0
+aaaaaaaaa dsaass de	Feijoada	3	0
+aaaaaaaaa dsaass de	Mousse de Chocolate	4	0
+ssde df s fsda sad er	um copo de Vodka	5	0
+ssde df s fsda sad er	um chocolate Snickers	6	0
+aaaaaaaaa dsaass de	Bife	7	0
+aaaaaaaaa dsaass de	Pizza de Salmao	8	0
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi')
+as x FROM t2, t1 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
 q	item	id	x
 aaaaaaaaa dsaass de	sushi	1	1.92378664016724
 aaaaaaaaa dsaass de	Bolo de Chocolate	2	0
@@ -43,4 +54,15 @@ ssde df s fsda sad er	um copo de Vodka	5	0
 ssde df s fsda sad er	um chocolate Snickers	6	0
 aaaaaaaaa dsaass de	Bife	7	0
 aaaaaaaaa dsaass de	Pizza de Salmao	8	0
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi' IN BOOLEAN MODE)
+as x FROM t2, t1 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+q	item	id	x
+aaaaaaaaa dsaass de	sushi	1	1
+aaaaaaaaa dsaass de	Bolo de Chocolate	2	0
+aaaaaaaaa dsaass de	Feijoada	3	0
+aaaaaaaaa dsaass de	Mousse de Chocolate	4	0
+ssde df s fsda sad er	um copo de Vodka	5	0
+ssde df s fsda sad er	um chocolate Snickers	6	0
+aaaaaaaaa dsaass de	Bife	7	0
+aaaaaaaaa dsaass de	Pizza de Salmao	8	0
 drop table t1, t2;

mysql-test/t/fulltext_cache.test

@@ -26,10 +26,16 @@ INSERT INTO t2 VALUES (6,2,'um chocolate Snickers');
 INSERT INTO t2 VALUES (7,1,'Bife');
 INSERT INTO t2 VALUES (8,1,'Pizza de Salmao');
 
-SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi') as x FROM t1, t2
-WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi')
+as x FROM t1, t2 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
 
-SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi') as x FROM t2, t1
-WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi' IN BOOLEAN MODE)
+as x FROM t1, t2 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi')
+as x FROM t2, t1 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
+
+SELECT t1.q, t2.item, t2.id, MATCH t2.item AGAINST ('sushi' IN BOOLEAN MODE)
+as x FROM t2, t1 WHERE (t2.id2 = t1.id) ORDER BY x DESC,t2.id;
 
 drop table t1, t2;

mysys/queues.c

@@ -124,7 +124,6 @@ byte *queue_remove(register QUEUE *queue, uint idx)
   }
 }
 
-
 	/* Fix when element on top has been replaced */
 
 #ifndef queue_replaced
@@ -166,3 +165,19 @@ void _downheap(register QUEUE *queue, uint idx)
   }
   queue->root[idx]=element;
 }
+
+
+static int queue_fix_cmp(QUEUE *queue, void *a, void *b)
+{
+  return queue->compare(queue->first_cmp_arg,
+                      a+queue->offset_to_key,
+                      b+queue->offset_to_key);
+}
+
+	/* Fix heap when every element was changed */
+void queue_fix(QUEUE *queue)
+{
+  qsort2(queue->root+1,queue->elements, sizeof(void *),
+      (qsort2_cmp)queue_fix_cmp, queue);
+}
+