Merge work:/home/bk/mysql-4.0

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


sql/mysqld.cc:
  Auto merged

include/ft_global.h

@@ -49,6 +49,7 @@ extern const char *ft_precompiled_stopwords[];
 extern ulong ft_min_word_len;
 extern ulong ft_max_word_len;
 extern ulong ft_max_word_len_for_sort;
+extern char *ft_boolean_syntax;
 
 int ft_init_stopwords(const char **);
 void ft_free_stopwords(void);

myisam/ft_boolean_search.c

@@ -36,7 +36,7 @@ static double _wghts[11]={
   3.375000000000000,
   5.062500000000000,
   7.593750000000000};
-static double *wghts=_wghts+5; // wghts[i] = 1.5**i
+static double *wghts=_wghts+5; /* wghts[i] = 1.5**i */
 
 static double _nwghts[11]={
  -0.065843621399177,
@@ -50,7 +50,7 @@ static double _nwghts[11]={
  -1.687500000000000,
  -2.531250000000000,
  -3.796875000000000};
-static double *nwghts=_nwghts+5; // nwghts[i] = -0.5*1.5**i
+static double *nwghts=_nwghts+5; /* nwghts[i] = -0.5*1.5**i */
 
 typedef struct st_ftb_expr FTB_EXPR;
 struct st_ftb_expr {
@@ -114,20 +114,7 @@ void _ftb_parse_query(FTB *ftb, byte **start, byte *end,
     byte  r=param.plusminus;
     float weight=(param.pmsign ? nwghts : wghts)[(r>5)?5:((r<-5)?-5:r)];
     switch (res) {
-      case FTB_LBR:
+      case 1: /* word found */
-        ftbe=(FTB_EXPR *)alloc_root(&ftb->mem_root, sizeof(FTB_EXPR));
-        ftbe->yesno=param.yesno;
-        ftbe->weight=weight;
-        ftbe->up=up;
-        ftbe->ythresh=0;
-        ftbe->docid=HA_POS_ERROR;
-        if (ftbe->yesno > 0) up->ythresh++;
-        _ftb_parse_query(ftb, start, end, ftbe, depth+1,
-                         (param.yesno<0 ? depth+1 : ndepth));
-        break;
-      case FTB_RBR:
-        return;
-      case 1:
         ftbw=(FTB_WORD *)alloc_root(&ftb->mem_root,
             sizeof(FTB_WORD) + (param.trunc ? MI_MAX_KEY_BUFF : w.len+extra));
         ftbw->len=w.len+1;
@@ -142,6 +129,19 @@ void _ftb_parse_query(FTB *ftb, byte **start, byte *end,
         if (ftbw->yesno > 0) up->ythresh++;
         queue_insert(& ftb->queue, (byte *)ftbw);
         break;
+      case 2: /* left bracket */
+        ftbe=(FTB_EXPR *)alloc_root(&ftb->mem_root, sizeof(FTB_EXPR));
+        ftbe->yesno=param.yesno;
+        ftbe->weight=weight;
+        ftbe->up=up;
+        ftbe->ythresh=0;
+        ftbe->docid=HA_POS_ERROR;
+        if (ftbe->yesno > 0) up->ythresh++;
+        _ftb_parse_query(ftb, start, end, ftbe, depth+1,
+                         (param.yesno<0 ? depth+1 : ndepth));
+        break;
+      case 3: /* right bracket */
+        return;
     }
   }
   return;
@@ -339,7 +339,7 @@ int ft_boolean_read_next(FT_INFO *ftb, char *record)
       /* curdoc matched ! */
       info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED); /* why is this ? */
 
-      /* info->lastpos=curdoc; */ /* do I need this ? */
+      info->lastpos=curdoc;
       if (!(*info->read_record)(info,curdoc,record))
       {
         info->update|= HA_STATE_AKTIV;          /* Record is read */
@@ -348,6 +348,7 @@ int ft_boolean_read_next(FT_INFO *ftb, char *record)
       return my_errno;
     }
   }
+  ftb->state=INDEX_DONE;
   return my_errno=HA_ERR_END_OF_FILE;
 }
 
@@ -359,17 +360,33 @@ float ft_boolean_find_relevance(FT_INFO *ftb, my_off_t docid, byte *record)
   FTB_EXPR *ftbe;
   uint      i;
 
-  if (ftb->state == READY)
+  if (ftb->state == READY || ftb->state == INDEX_DONE)
   {
+    for (i=1; i<=ftb->queue.elements; i++)
+    {
+      ftbw=(FTB_WORD *)(ftb->queue.root[i]);
+      ftbw->docid=HA_POS_ERROR;
+      for (ftbe=ftbw->up; ftbe; ftbe=ftbe->up)
+      {
+        if (ftbe->docid != HA_POS_ERROR)
+        {
+          ftbe->cur_weight=ftbe->yesses=ftbe->nos=0;
+          ftbe->docid=HA_POS_ERROR;
+        }
+        else
+          break;
+      }
+    }
+
     queue_fix(& ftb->queue);
     ftb->state=SCAN;
   }
   else if (ftb->state != SCAN)
-    return -1.0;
+    return -2.0;
 
   bzero(&ptree, sizeof(ptree));
   if (_mi_ft_parse(& ptree, ftb->info, ftb->keynr, record))
-    return -1.0;
+    return -3.0;
 
   for (i=1; i<=ftb->queue.elements; i++)
   {

myisam/ft_nlq_search.c

@@ -253,7 +253,7 @@ float ft_nlq_find_relevance(FT_INFO *handler, my_off_t docid,
   int a,b,c;
   FT_DOC  *docs=handler->doc;
 
-  // Assuming docs[] is sorted by dpos...
+  /* Assuming docs[] is sorted by dpos... */
 
   for (a=0, b=handler->ndocs, c=(a+b)/2; b-a>1; c=(a+b)/2)
   {

myisam/ft_parser.c

@@ -33,9 +33,6 @@ typedef struct st_ft_docstat {
   double max, nsum, nsum2;
 #endif /* EVAL_RUN */
 
-//  MI_INFO *info;
-//  uint keynr;
-//  byte *keybuf;
 } FT_DOCSTAT;
 
 static int FT_WORD_cmp(void* cmp_arg, FT_WORD *w1, FT_WORD *w2)
@@ -63,9 +60,7 @@ 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,
+FT_WORD * ft_linearize(TREE *wtree)
-    //byte *keybuf,
-    TREE *wtree)
 {
   FT_WORD *wlist,*p;
   FT_DOCSTAT docstat;
@@ -74,9 +69,6 @@ FT_WORD * ft_linearize(//MI_INFO *info, uint keynr,
   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.list=wlist;
     docstat.uniq=wtree->elements_in_tree;
 #ifdef EVAL_RUN
@@ -122,12 +114,20 @@ FT_WORD * ft_linearize(//MI_INFO *info, uint keynr,
 #endif
 #define word_char(X)		(true_word_char(X) || misc_word_char(X))
 
+
+/* returns:
+ * 0 - eof
+ * 1 - word found
+ * 2 - left bracket
+ * 3 - right bracket
+ */
 byte ft_get_word(byte **start, byte *end, FT_WORD *word, FTB_PARAM *param)
 {
   byte *doc=*start;
   int mwc;
 
-  param->yesno=param->plusminus=param->pmsign=0;
+  param->yesno=(FTB_YES==' ')?1:0;
+  param->plusminus=param->pmsign=0;
 
   while (doc<end)
   {
@@ -138,18 +138,16 @@ byte ft_get_word(byte **start, byte *end, FT_WORD *word, FTB_PARAM *param)
       {
         /* param->prev=' '; */
         *start=doc+1;
-        return *doc;
+        return (*doc == FTB_RBR)+2;
       }
       if (param->prev == ' ')
       {
-        switch (*doc) {
+        if (*doc == FTB_YES ) { param->yesno=+1;    continue; } else
-        case FTB_YES: param->yesno=+1; continue;
+        if (*doc == FTB_EGAL) { param->yesno= 0;    continue; } else
-        case FTB_NO:  param->yesno=-1; continue;
+        if (*doc == FTB_NO  ) { param->yesno=-1;    continue; } else
-        case FTB_INC: param->plusminus++; continue;
+        if (*doc == FTB_INC ) { param->plusminus++; continue; } else
-        case FTB_DEC: param->plusminus--; continue;
+        if (*doc == FTB_DEC ) { param->plusminus--; continue; } else
-        case FTB_NEG: param->pmsign=!param->pmsign; continue;
+        if (*doc == FTB_NEG ) { param->pmsign=!param->pmsign; continue; }
-        default: break;
-        }
       }
       param->prev=*doc;
       param->yesno=param->plusminus=param->pmsign=0;
@@ -162,7 +160,7 @@ byte ft_get_word(byte **start, byte *end, FT_WORD *word, FTB_PARAM *param)
       else if (!misc_word_char(*doc) || mwc++)
         break;
 
-    param->prev='A'; // be sure *prev is true_word_char
+    param->prev='A'; /* be sure *prev is true_word_char */
     word->len= (uint)(doc-word->pos) - mwc;
     if ((param->trunc=(doc<end && *doc == FTB_TRUNC)))
       doc++;

myisam/ft_static.c

@@ -21,6 +21,7 @@
 ulong ft_min_word_len=4;
 ulong ft_max_word_len=HA_FT_MAXLEN;
 ulong ft_max_word_len_for_sort=20;
+char *ft_boolean_syntax="+ -><()~*";
 
 const MI_KEYSEG ft_keysegs[FT_SEGS]={
 {

myisam/ftdefs.h

@@ -86,14 +86,15 @@ extern ulong collstat;
 /*=================================================================*/
 
 /* Boolean search operators */
-#define FTB_YES   '+'
+#define FTB_YES   (ft_boolean_syntax[0])
-#define FTB_NO    '-'
+#define FTB_EGAL  (ft_boolean_syntax[1])
-#define FTB_INC   '>'
+#define FTB_NO    (ft_boolean_syntax[2])
-#define FTB_DEC   '<'
+#define FTB_INC   (ft_boolean_syntax[3])
-#define FTB_LBR   '('
+#define FTB_DEC   (ft_boolean_syntax[4])
-#define FTB_RBR   ')'
+#define FTB_LBR   (ft_boolean_syntax[5])
-#define FTB_NEG   '~'
+#define FTB_RBR   (ft_boolean_syntax[6])
-#define FTB_TRUNC '*'
+#define FTB_NEG   (ft_boolean_syntax[7])
+#define FTB_TRUNC (ft_boolean_syntax[8])
 
 typedef struct st_ft_word {
   byte * pos;

mysql-test/r/fulltext_order_by.result

@@ -11,17 +11,40 @@ SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE MATCH (message) AGAINS
 a	MATCH (message) AGAINST ('steve')
 4	0.90587323904037
 7	0.89568990468979
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve');
+a	MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
+4	1
+7	1
+SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE);
+a	MATCH (message) AGAINST ('steve')
+4	0.90587323904037
+7	0.89568990468979
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE);
+a	MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
+4	1
+7	1
 SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE MATCH (message) AGAINST ('steve') ORDER BY a;
 a	MATCH (message) AGAINST ('steve')
 4	0.90587323904037
 7	0.89568990468979
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY a;
+a	MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
+4	1
+7	1
 SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE a in (2,7,4) and MATCH (message) AGAINST ('steve') ORDER BY a DESC;
 a	MATCH (message) AGAINST ('steve')
 7	0.89568990468979
 4	0.90587323904037
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE a in (2,7,4) and MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY a DESC;
+a	MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
+7	1
+4	1
 SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE a=7 and MATCH (message) AGAINST ('steve') ORDER BY 1;
 a	MATCH (message) AGAINST ('steve')
 7	0.89568990468979
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE a=7 and MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY 1;
+a	MATCH (message) AGAINST ('steve' IN BOOLEAN MODE)
+7	1
 SELECT a, MATCH (message) AGAINST ('steve') as rel FROM t1 ORDER BY rel;
 a	rel
 1	0
@@ -31,4 +54,13 @@ a	rel
 6	0
 7	0.89568990468979
 4	0.90587323904037
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) as rel FROM t1 ORDER BY rel;
+a	rel
+1	0
+2	0
+3	0
+5	0
+6	0
+4	1
+7	1
 drop table t1;

mysql-test/r/fulltext_var.result

@@ -3,3 +3,4 @@ Variable_name	Value
 ft_min_word_len	4
 ft_max_word_len	254
 ft_max_word_len_for_sort	20
+ft_boolean_syntax	+ -><()~*

mysql-test/t/fulltext_order_by.test

@@ -9,17 +9,24 @@ INSERT INTO t1 (message) VALUES ("Testing"),("table"),("testbug"),
         ("steve"),("is"),("cool"),("steve is cool");
 # basic MATCH
 SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE MATCH (message) AGAINST ('steve');
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve');
+SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE);
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE);
 
 # MATCH + ORDER BY (with ft-ranges)
 SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE MATCH (message) AGAINST ('steve') ORDER BY a;
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY a;
 
 # MATCH + ORDER BY (with normal ranges) + UNIQUE
 SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE a in (2,7,4) and MATCH (message) AGAINST ('steve') ORDER BY a DESC;
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE a in (2,7,4) and MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY a DESC;
 
 # MATCH + ORDER BY + UNIQUE (const_table)
 SELECT a, MATCH (message) AGAINST ('steve') FROM t1 WHERE a=7 and MATCH (message) AGAINST ('steve') ORDER BY 1;
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) FROM t1 WHERE a=7 and MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) ORDER BY 1;
 
 # ORDER BY MATCH
 SELECT a, MATCH (message) AGAINST ('steve') as rel FROM t1 ORDER BY rel;
+SELECT a, MATCH (message) AGAINST ('steve' IN BOOLEAN MODE) as rel FROM t1 ORDER BY rel;
 
 drop table t1;

sql/mysqld.cc

@@ -1892,7 +1892,7 @@ The server will not act as a slave.");
 
   if (opt_myisam_log)
     (void) mi_log( 1 );
-  ft_init_stopwords(ft_precompiled_stopwords);       /* SerG */
+  ft_init_stopwords(ft_precompiled_stopwords);
 
 #ifdef __WIN__
 #define MYSQL_ERR_FILE "mysql.err"
@@ -2998,6 +2998,7 @@ struct show_var_st init_vars[]= {
   {"ft_min_word_len",         (char*) &ft_min_word_len,             SHOW_LONG},
   {"ft_max_word_len",         (char*) &ft_max_word_len,             SHOW_LONG},
   {"ft_max_word_len_for_sort",(char*) &ft_max_word_len_for_sort,    SHOW_LONG},
+  {"ft_boolean_syntax",       ft_boolean_syntax,           SHOW_CHAR},
   {"have_bdb",		      (char*) &have_berkeley_db,	    SHOW_HAVE},
   {"have_innodb",	      (char*) &have_innodb,		    SHOW_HAVE},
   {"have_isam",	      	      (char*) &have_isam,		    SHOW_HAVE},

sql/opt_ft.h

@@ -29,7 +29,7 @@ public:
   TABLE_REF *ref;
 
   FT_SELECT(TABLE *table, TABLE_REF *tref) :
-      QUICK_SELECT (table,tref->key,1), ref(tref) {}
+      QUICK_SELECT (table,tref->key,1), ref(tref) { init(); }
 
   int init() { return error=file->ft_init(); }
   int get_next() { return error=file->ft_read(record); }

sql/opt_range.cc

@@ -407,11 +407,6 @@ QUICK_SELECT::~QUICK_SELECT()
   }
 }
 
-int QUICK_SELECT::init()
-{
-  return error=file->index_init(index);
-}
-
 QUICK_RANGE::QUICK_RANGE()
   :min_key(0),max_key(0),min_length(0),max_length(0),
    flag(NO_MIN_RANGE | NO_MAX_RANGE)

sql/opt_range.h

@@ -75,7 +75,7 @@ public:
   QUICK_SELECT(TABLE *table,uint index_arg,bool no_alloc=0);
   virtual ~QUICK_SELECT();
   void reset(void) { next=0; it.rewind(); }
-  virtual int init();
+  int init() { return error=file->index_init(index); }
   virtual int get_next();
   int cmp_next(QUICK_RANGE *range);
   bool unique_key_range();