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Merge work:/home/bk/mysql-4.0

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


sql/mysqld.cc:
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unknown
2001-11-22 19:40:50 +01:00
parent e585c81a86 8b5eedb725
commit b0da89d3ac
13 changed files with 111 additions and 57 deletions
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1
include/ft_global.h
View File

@ -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);

57
myisam/ft_boolean_search.c
View File

@ -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:
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:
case 1: /* word found */
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++)
{

2
myisam/ft_nlq_search.c
View File

@ -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)
{

38
myisam/ft_parser.c
View File

@ -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,
//byte *keybuf,
TREE *wtree)
FT_WORD * ft_linearize(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) {
case FTB_YES: param->yesno=+1; continue;
case FTB_NO: param->yesno=-1; continue;
case FTB_INC: param->plusminus++; continue;
case FTB_DEC: param->plusminus--; continue;
case FTB_NEG: param->pmsign=!param->pmsign; continue;
default: break;
}
if (*doc == FTB_YES ) { param->yesno=+1; continue; } else
if (*doc == FTB_EGAL) { param->yesno= 0; continue; } else
if (*doc == FTB_NO ) { param->yesno=-1; continue; } else
if (*doc == FTB_INC ) { param->plusminus++; continue; } else
if (*doc == FTB_DEC ) { param->plusminus--; continue; } else
if (*doc == FTB_NEG ) { param->pmsign=!param->pmsign; continue; }
}
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++;

1
myisam/ft_static.c
View File

@ -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]={
{

17
myisam/ftdefs.h
View File

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

32
mysql-test/r/fulltext_order_by.result
View File

@ -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;

1
mysql-test/r/fulltext_var.result
View File

@ -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 + -><()~*

7
mysql-test/t/fulltext_order_by.test
View File

@ -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;

3
sql/mysqld.cc
View File

@ -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},

2
sql/opt_ft.h
View File

@ -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); }

5
sql/opt_range.cc
View File

@ -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)

2
sql/opt_range.h
View File

@ -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();