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-rw-r--r--myisam/Makefile.am6
-rw-r--r--myisam/ft_boolean_search.c64
-rw-r--r--myisam/ft_nlq_search.c12
-rw-r--r--myisam/ft_parser.c62
-rw-r--r--myisam/ft_static.c2
-rw-r--r--myisam/ft_stopwords.c2
-rw-r--r--myisam/ft_update.c4
-rw-r--r--myisam/mi_check.c53
-rw-r--r--myisam/mi_create.c8
-rw-r--r--myisam/mi_dynrec.c144
-rw-r--r--myisam/mi_extra.c31
-rw-r--r--myisam/mi_locking.c15
-rw-r--r--myisam/mi_rnext.c64
-rw-r--r--myisam/mi_rprev.c23
-rw-r--r--myisam/mi_search.c124
-rw-r--r--myisam/mi_unique.c2
-rw-r--r--myisam/mi_write.c6
-rw-r--r--myisam/myisam_ftdump.c (renamed from myisam/ft_dump.c)32
-rw-r--r--myisam/myisamchk.c4
-rw-r--r--myisam/myisamdef.h6
-rw-r--r--myisam/myisamlog.c39
21 files changed, 437 insertions, 266 deletions
diff --git a/myisam/Makefile.am b/myisam/Makefile.am
index fdcfc6d0d41..5aa0740261e 100644
--- a/myisam/Makefile.am
+++ b/myisam/Makefile.am
@@ -21,18 +21,18 @@ INCLUDES = @MT_INCLUDES@ -I$(top_srcdir)/include
LDADD = @CLIENT_EXTRA_LDFLAGS@ libmyisam.a ../mysys/libmysys.a \
../dbug/libdbug.a ../strings/libmystrings.a
pkglib_LIBRARIES = libmyisam.a
-bin_PROGRAMS = myisamchk myisamlog myisampack
+bin_PROGRAMS = myisamchk myisamlog myisampack myisam_ftdump
myisamchk_DEPENDENCIES= $(LIBRARIES)
myisamlog_DEPENDENCIES= $(LIBRARIES)
myisampack_DEPENDENCIES=$(LIBRARIES)
-noinst_PROGRAMS = mi_test1 mi_test2 mi_test3 rt_test sp_test ft_dump #ft_test1 ft_eval
+noinst_PROGRAMS = mi_test1 mi_test2 mi_test3 rt_test sp_test #ft_test1 ft_eval
noinst_HEADERS = myisamdef.h rt_index.h rt_key.h rt_mbr.h sp_defs.h fulltext.h ftdefs.h ft_test1.h ft_eval.h
mi_test1_DEPENDENCIES= $(LIBRARIES)
mi_test2_DEPENDENCIES= $(LIBRARIES)
mi_test3_DEPENDENCIES= $(LIBRARIES)
#ft_test1_DEPENDENCIES= $(LIBRARIES)
#ft_eval_DEPENDENCIES= $(LIBRARIES)
-ft_dump_DEPENDENCIES= $(LIBRARIES)
+myisam_ftdump_DEPENDENCIES= $(LIBRARIES)
rt_test_DEPENDENCIES= $(LIBRARIES)
sp_test_DEPENDENCIES= $(LIBRARIES)
libmyisam_a_SOURCES = mi_open.c mi_extra.c mi_info.c mi_rkey.c \
diff --git a/myisam/ft_boolean_search.c b/myisam/ft_boolean_search.c
index 8cbb7a71a43..1d4bfee86a4 100644
--- a/myisam/ft_boolean_search.c
+++ b/myisam/ft_boolean_search.c
@@ -54,19 +54,20 @@ static double _nwghts[11]=
static double *nwghts=_nwghts+5; /* nwghts[i] = -0.5*1.5**i */
#define FTB_FLAG_TRUNC 1 /* MUST be 1 */
-#define FTB_FLAG_YES 2 /* These two - YES and NO */
-#define FTB_FLAG_NO 4 /* should NEVER be set both */
+#define FTB_FLAG_YES 2 /* no two from these three */
+#define FTB_FLAG_NO 4 /* YES, NO, WONLY */
+#define FTB_FLAG_WONLY 8 /* should be ever set both */
typedef struct st_ftb_expr FTB_EXPR;
struct st_ftb_expr
{
FTB_EXPR *up;
- my_off_t docid[2];
+ uint flags;
/* ^^^^^^^^^^^^^^^^^^ FTB_{EXPR,WORD} common section */
+ my_off_t docid[2];
float weight;
float cur_weight;
byte *quot, *qend;
- uint flags;
uint yesses; /* number of "yes" words matched */
uint nos; /* number of "no" words matched */
uint ythresh; /* number of "yes" words in expr */
@@ -76,13 +77,13 @@ struct st_ftb_expr
typedef struct st_ftb_word
{
FTB_EXPR *up;
- MI_KEYDEF *keyinfo;
- my_off_t docid[2]; /* for index search and for scan */
+ uint flags;
/* ^^^^^^^^^^^^^^^^^^ FTB_{EXPR,WORD} common section */
+ my_off_t docid[2]; /* for index search and for scan */
my_off_t key_root;
+ MI_KEYDEF *keyinfo;
float weight;
uint ndepth;
- uint flags;
uint len;
uchar off;
byte word[1];
@@ -123,7 +124,7 @@ static int FTB_WORD_cmp_list(CHARSET_INFO *cs, FTB_WORD **a, FTB_WORD **b)
{
/* ORDER BY word DESC, ndepth DESC */
int i= mi_compare_text(cs, (uchar*) (*b)->word+1,(*b)->len-1,
- (uchar*) (*a)->word+1,(*a)->len-1,0);
+ (uchar*) (*a)->word+1,(*a)->len-1,0,0);
if (!i)
i=CMP_NUM((*b)->ndepth,(*a)->ndepth);
return i;
@@ -193,7 +194,7 @@ static void _ftb_parse_query(FTB *ftb, byte **start, byte *end,
}
static int _ftb_no_dupes_cmp(void* not_used __attribute__((unused)),
- const void *a,const void *b)
+ const void *a,const void *b)
{
return CMP_NUM((*((my_off_t*)a)), (*((my_off_t*)b)));
}
@@ -227,7 +228,7 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search)
ftbw->len - (ftbw->flags & FTB_FLAG_TRUNC),
(uchar*) ftbw->word + (ftbw->flags & FTB_FLAG_TRUNC),
ftbw->len - (ftbw->flags & FTB_FLAG_TRUNC),
- 0);
+ 0,0);
}
if (r) /* not found */
@@ -238,9 +239,9 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search)
if ((ftbw->flags & FTB_FLAG_YES) && ftbw->up->up==0)
{
/*
- This word MUST BE present in every document returned,
- so we can stop the search right now
- */
+ This word MUST BE present in every document returned,
+ so we can stop the search right now
+ */
ftb->state=INDEX_DONE;
return 1; /* search is done */
}
@@ -250,7 +251,7 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search)
/* going up to the first-level tree to continue search there */
_mi_dpointer(info, (uchar*) (ftbw->word+ftbw->off+HA_FT_WLEN),
- ftbw->key_root);
+ ftbw->key_root);
ftbw->key_root=info->s->state.key_root[ftb->keynr];
ftbw->keyinfo=info->s->keyinfo+ftb->keynr;
ftbw->off=0;
@@ -297,7 +298,7 @@ static void _ftb_init_index_search(FT_INFO *ftb)
if (ftbw->flags & FTB_FLAG_TRUNC)
{
/*
- special treatment for truncation operator
+ special treatment for truncation operator
1. there are some (besides this) +words
| no need to search in the index, it can never ADD new rows
| to the result, and to remove half-matched rows we do scan anyway
@@ -348,7 +349,7 @@ static void _ftb_init_index_search(FT_INFO *ftb)
FT_INFO * ft_init_boolean_search(MI_INFO *info, uint keynr, byte *query,
- uint query_len)
+ uint query_len)
{
FTB *ftb;
FTB_EXPR *ftbe;
@@ -419,7 +420,7 @@ static int _ftb_strstr(const byte *s0, const byte *e0,
while (p0 < e0)
{
while (p0 < e0 && cs->to_upper[(uint) (uchar) *p0++] !=
- cs->to_upper[(uint) (uchar) *s1])
+ cs->to_upper[(uint) (uchar) *s1])
/* no-op */;
if (p0 >= e0)
return 0;
@@ -429,7 +430,7 @@ static int _ftb_strstr(const byte *s0, const byte *e0,
p1=s1+1;
while (p0 < e0 && p1 < e1 && cs->to_upper[(uint) (uchar) *p0] ==
- cs->to_upper[(uint) (uchar) *p1])
+ cs->to_upper[(uint) (uchar) *p1])
p0++, p1++;
if (p1 == e1 && (!e_before || p0 == e0 || !true_word_char(cs, p0[0])))
return 1;
@@ -487,12 +488,12 @@ static void _ftb_climb_the_tree(FTB *ftb, FTB_WORD *ftbw, FT_SEG_ITERATOR *ftsi_
if (yn & FTB_FLAG_NO)
{
/*
- NOTE: special sort function of queue assures that all
- (yn & FTB_FLAG_NO) != 0
- events for every particular subexpression will
- "auto-magically" happen BEFORE all the
- (yn & FTB_FLAG_YES) != 0 events. So no
- already matched expression can become not-matched again.
+ NOTE: special sort function of queue assures that all
+ (yn & FTB_FLAG_NO) != 0
+ events for every particular subexpression will
+ "auto-magically" happen BEFORE all the
+ (yn & FTB_FLAG_YES) != 0 events. So no
+ already matched expression can become not-matched again.
*/
++ftbe->nos;
break;
@@ -500,11 +501,12 @@ static void _ftb_climb_the_tree(FTB *ftb, FTB_WORD *ftbw, FT_SEG_ITERATOR *ftsi_
else
{
if (ftbe->ythresh)
- weight/=3;
+ weight/=3;
ftbe->cur_weight += weight;
if ((int) ftbe->yesses < ythresh)
break;
- yn= ((int) ftbe->yesses++ == ythresh) ? ftbe->flags : 0 ;
+ if (!(yn & FTB_FLAG_WONLY))
+ yn= ((int) ftbe->yesses++ == ythresh) ? ftbe->flags : FTB_FLAG_WONLY ;
weight*= ftbe->weight;
}
}
@@ -535,8 +537,8 @@ int ft_boolean_read_next(FT_INFO *ftb, char *record)
ftb->queue.first_cmp_arg=(void *)&curdoc;
while (ftb->state == INDEX_SEARCH &&
- (curdoc=((FTB_WORD *)queue_top(& ftb->queue))->docid[0]) !=
- HA_POS_ERROR)
+ (curdoc=((FTB_WORD *)queue_top(& ftb->queue))->docid[0]) !=
+ HA_POS_ERROR)
{
while (curdoc == (ftbw=(FTB_WORD *)queue_top(& ftb->queue))->docid[0])
{
@@ -554,7 +556,7 @@ int ft_boolean_read_next(FT_INFO *ftb, char *record)
/* curdoc matched ! */
if (is_tree_inited(&ftb->no_dupes) &&
tree_insert(&ftb->no_dupes, &curdoc, 0,
- ftb->no_dupes.custom_arg)->count >1)
+ ftb->no_dupes.custom_arg)->count >1)
/* but it managed already to get past this line once */
continue;
@@ -631,7 +633,7 @@ float ft_boolean_find_relevance(FT_INFO *ftb, byte *record, uint length)
ftbw=ftb->list[c];
if (mi_compare_text(ftb->charset, (uchar*) word.pos, word.len,
(uchar*) ftbw->word+1, ftbw->len-1,
- (my_bool) (ftbw->flags&FTB_FLAG_TRUNC)) >0)
+ (my_bool) (ftbw->flags&FTB_FLAG_TRUNC),0) >0)
b=c;
else
a=c;
@@ -641,7 +643,7 @@ float ft_boolean_find_relevance(FT_INFO *ftb, byte *record, uint length)
ftbw=ftb->list[c];
if (mi_compare_text(ftb->charset, (uchar*) word.pos, word.len,
(uchar*) ftbw->word+1,ftbw->len-1,
- (my_bool) (ftbw->flags&FTB_FLAG_TRUNC)))
+ (my_bool) (ftbw->flags&FTB_FLAG_TRUNC),0))
break;
if (ftbw->docid[1] == docid)
continue;
diff --git a/myisam/ft_nlq_search.c b/myisam/ft_nlq_search.c
index 1e3d47577d2..03875abe7b0 100644
--- a/myisam/ft_nlq_search.c
+++ b/myisam/ft_nlq_search.c
@@ -64,8 +64,8 @@ static int FT_SUPERDOC_cmp(void* cmp_arg __attribute__((unused)),
static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio)
{
- int subkeys;
- uint keylen, r, doc_cnt;
+ int subkeys, r;
+ uint keylen, doc_cnt;
FT_SUPERDOC sdoc, *sptr;
TREE_ELEMENT *selem;
double gweight=1;
@@ -73,7 +73,7 @@ static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio)
uchar *keybuff=aio->keybuff;
MI_KEYDEF *keyinfo=info->s->keyinfo+aio->keynr;
my_off_t key_root=info->s->state.key_root[aio->keynr];
- uint extra=HA_FT_WLEN+info->s->base.rec_reflength+1;
+ uint extra=HA_FT_WLEN+info->s->base.rec_reflength;
#if HA_FT_WTYPE == HA_KEYTYPE_FLOAT
float tmp_weight;
#else
@@ -96,10 +96,10 @@ static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio)
if (keylen &&
mi_compare_text(aio->charset,info->lastkey+1,
- info->lastkey_length-extra, keybuff+1,keylen-1,0))
+ info->lastkey_length-extra-1, keybuff+1,keylen-1,0,0))
break;
- subkeys=ft_sintXkorr(info->lastkey+keylen);
+ subkeys=ft_sintXkorr(info->lastkey+info->lastkey_length-extra);
if (subkeys<0)
{
if (doc_cnt)
@@ -174,7 +174,7 @@ static int walk_and_push(FT_SUPERDOC *from,
{
DBUG_ENTER("walk_and_copy");
from->doc.weight+=from->tmp_weight*from->word_ptr->weight;
- set_if_smaller(best->elements, ft_query_expansion_limit-1)
+ set_if_smaller(best->elements, ft_query_expansion_limit-1);
queue_insert(best, (byte *)& from->doc);
DBUG_RETURN(0);
}
diff --git a/myisam/ft_parser.c b/myisam/ft_parser.c
index 0318bcbed10..b0fe180d0fb 100644
--- a/myisam/ft_parser.c
+++ b/myisam/ft_parser.c
@@ -27,7 +27,7 @@ typedef struct st_ft_docstat {
static int FT_WORD_cmp(CHARSET_INFO* cs, FT_WORD *w1, FT_WORD *w2)
{
return mi_compare_text(cs, (uchar*) w1->pos, w1->len,
- (uchar*) w2->pos, w2->len, 0);
+ (uchar*) w2->pos, w2->len, 0, 0);
}
static int walk_and_copy(FT_WORD *word,uint32 count,FT_DOCSTAT *docstat)
@@ -73,6 +73,26 @@ FT_WORD * ft_linearize(TREE *wtree)
DBUG_RETURN(wlist);
}
+my_bool ft_boolean_check_syntax_string(const byte *str)
+{
+ uint i, j;
+
+ if (!str ||
+ (strlen(str)+1 != sizeof(ft_boolean_syntax)) ||
+ (str[0] != ' ' && str[1] != ' '))
+ return 1;
+ for (i=0; i<sizeof(ft_boolean_syntax); i++)
+ {
+ /* limiting to 7-bit ascii only */
+ if ((unsigned char)(str[i]) > 127 || my_isalnum(default_charset_info, str[i]))
+ return 1;
+ for (j=0; j<i; j++)
+ if (str[i] == str[j] && (i != 11 || j != 10))
+ return 1;
+ }
+ return 0;
+}
+
/* returns:
* 0 - eof
* 1 - word found
@@ -93,27 +113,30 @@ byte ft_get_word(CHARSET_INFO *cs, byte **start, byte *end,
for (;doc<end;doc++)
{
if (true_word_char(cs,*doc)) break;
- if (*doc == FTB_RQUOT && param->quot) {
+ if (*doc == FTB_RQUOT && param->quot)
+ {
param->quot=doc;
*start=doc+1;
return 3; /* FTB_RBR */
}
- if ((*doc == FTB_LBR || *doc == FTB_RBR || *doc == FTB_LQUOT)
- && !param->quot)
+ if (!param->quot)
{
- /* param->prev=' '; */
- *start=doc+1;
- if (*doc == FTB_LQUOT) param->quot=*start;
- return (*doc == FTB_RBR)+2;
- }
- if (param->prev == ' ' && !param->quot)
- {
- 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; }
+ if (*doc == FTB_LBR || *doc == FTB_RBR || *doc == FTB_LQUOT)
+ {
+ /* param->prev=' '; */
+ *start=doc+1;
+ if (*doc == FTB_LQUOT) param->quot=*start;
+ return (*doc == FTB_RBR)+2;
+ }
+ if (param->prev == ' ')
+ {
+ 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=(FTB_YES==' ') ? 1 : (param->quot != 0);
@@ -139,6 +162,11 @@ byte ft_get_word(CHARSET_INFO *cs, byte **start, byte *end,
return 1;
}
}
+ if (param->quot)
+ {
+ param->quot=*start=doc;
+ return 3; /* FTB_RBR */
+ }
return 0;
}
diff --git a/myisam/ft_static.c b/myisam/ft_static.c
index 0dcea5bec0c..7168406d027 100644
--- a/myisam/ft_static.c
+++ b/myisam/ft_static.c
@@ -21,7 +21,7 @@
ulong ft_min_word_len=4;
ulong ft_max_word_len=HA_FT_MAXCHARLEN;
ulong ft_query_expansion_limit=5;
-const char *ft_boolean_syntax="+ -><()~*:\"\"&|";
+char ft_boolean_syntax[]="+ -><()~*:\"\"&|";
const HA_KEYSEG ft_keysegs[FT_SEGS]={
{
diff --git a/myisam/ft_stopwords.c b/myisam/ft_stopwords.c
index 6682de18c65..112af87d201 100644
--- a/myisam/ft_stopwords.c
+++ b/myisam/ft_stopwords.c
@@ -32,7 +32,7 @@ static int FT_STOPWORD_cmp(void* cmp_arg __attribute__((unused)),
{
return mi_compare_text(default_charset_info,
(uchar *)w1->pos,w1->len,
- (uchar *)w2->pos,w2->len,0);
+ (uchar *)w2->pos,w2->len,0,0);
}
static void FT_STOPWORD_free(FT_STOPWORD *w, TREE_FREE action,
diff --git a/myisam/ft_update.c b/myisam/ft_update.c
index 4015abbbeba..beccc062270 100644
--- a/myisam/ft_update.c
+++ b/myisam/ft_update.c
@@ -179,7 +179,7 @@ int _mi_ft_cmp(MI_INFO *info, uint keynr, const byte *rec1, const byte *rec2)
if ((ftsi1.pos != ftsi2.pos) &&
(!ftsi1.pos || !ftsi2.pos ||
mi_compare_text(cs, (uchar*) ftsi1.pos,ftsi1.len,
- (uchar*) ftsi2.pos,ftsi2.len,0)))
+ (uchar*) ftsi2.pos,ftsi2.len,0,0)))
DBUG_RETURN(THOSE_TWO_DAMN_KEYS_ARE_REALLY_DIFFERENT);
}
DBUG_RETURN(GEE_THEY_ARE_ABSOLUTELY_IDENTICAL);
@@ -207,7 +207,7 @@ int _mi_ft_update(MI_INFO *info, uint keynr, byte *keybuf,
while(old_word->pos && new_word->pos)
{
cmp= mi_compare_text(cs, (uchar*) old_word->pos,old_word->len,
- (uchar*) new_word->pos,new_word->len,0);
+ (uchar*) new_word->pos,new_word->len,0,0);
cmp2= cmp ? 0 : (fabs(old_word->weight - new_word->weight) > 1.e-5);
if (cmp < 0 || cmp2)
diff --git a/myisam/mi_check.c b/myisam/mi_check.c
index 762eef15d68..2d89efa61f6 100644
--- a/myisam/mi_check.c
+++ b/myisam/mi_check.c
@@ -98,7 +98,9 @@ int chk_status(MI_CHECK *param, register MI_INFO *info)
/* Don't count this as a real warning, as check can correct this ! */
uint save=param->warning_printed;
mi_check_print_warning(param,
- "%d clients is using or hasn't closed the table properly",
+ share->state.open_count==1 ?
+ "%d client is using or hasn't closed the table properly" :
+ "%d clients are using or haven't closed the table properly",
share->state.open_count);
/* If this will be fixed by the check, forget the warning */
if (param->testflag & T_UPDATE_STATE)
@@ -409,7 +411,7 @@ int chk_key(MI_CHECK *param, register MI_INFO *info)
if (chk_index(param,info,keyinfo,share->state.key_root[key],info->buff,
&keys, param->key_crc+key,1))
DBUG_RETURN(-1);
- if(!(keyinfo->flag & HA_FULLTEXT))
+ if(!(keyinfo->flag & (HA_FULLTEXT | HA_SPATIAL)))
{
if (keys != info->state->records)
{
@@ -558,6 +560,10 @@ static int chk_index(MI_CHECK *param, MI_INFO *info, MI_KEYDEF *keyinfo,
DBUG_ENTER("chk_index");
DBUG_DUMP("buff",(byte*) buff,mi_getint(buff));
+ /* TODO: implement appropriate check for RTree keys */
+ if (keyinfo->flag & HA_SPATIAL)
+ DBUG_RETURN(0);
+
if (!(temp_buff=(uchar*) my_alloca((uint) keyinfo->block_length)))
{
mi_check_print_error(param,"Not enough memory for keyblock");
@@ -947,7 +953,7 @@ int chk_data_link(MI_CHECK *param, MI_INFO *info,int extend)
info->checksum=mi_checksum(info,record);
if (param->testflag & (T_EXTEND | T_MEDIUM | T_VERBOSE))
{
- if (_mi_rec_check(info,record, info->rec_buff))
+ if (_mi_rec_check(info,record, info->rec_buff,block_info.rec_len))
{
mi_check_print_error(param,"Found wrong packed record at %s",
llstr(start_recpos,llbuff));
@@ -1073,7 +1079,7 @@ int chk_data_link(MI_CHECK *param, MI_INFO *info,int extend)
for (key=0 ; key < info->s->base.keys; key++)
{
if (key_checksum[key] != param->key_crc[key] &&
- !(info->s->keyinfo[key].flag & HA_FULLTEXT))
+ !(info->s->keyinfo[key].flag & (HA_FULLTEXT | HA_SPATIAL)))
{
mi_check_print_error(param,"Checksum for key: %2d doesn't match checksum for records",
key+1);
@@ -1268,11 +1274,12 @@ int mi_repair(MI_CHECK *param, register MI_INFO *info,
I think mi_repair and mi_repair_by_sort should do the same
(according, e.g. to ha_myisam::repair), but as mi_repair doesn't
touch key_map it cannot be used to T_CREATE_MISSING_KEYS.
- That is what the next line is for... (serg)
+ That is what the next line is for
*/
- share->state.key_map= ((((ulonglong) 1L << share->base.keys)-1) &
- param->keys_in_use);
+ if (param->testflag & T_CREATE_MISSING_KEYS)
+ share->state.key_map= ((((ulonglong) 1L << share->base.keys)-1) &
+ param->keys_in_use);
info->state->key_file_length=share->base.keystart;
@@ -2389,6 +2396,11 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
sort_param[i].record= (((char *)(sort_param+share->base.keys))+
(share->base.pack_reclength * i));
+ if (!mi_alloc_rec_buff(info, -1, &sort_param[i].rec_buff))
+ {
+ mi_check_print_error(param,"Not enough memory!");
+ goto err;
+ }
sort_param[i].key_length=share->rec_reflength;
for (keyseg=sort_param[i].seg; keyseg->type != HA_KEYTYPE_END;
@@ -2966,7 +2978,8 @@ static int sort_get_next_record(MI_SORT_PARAM *sort_param)
info->checksum=mi_checksum(info,sort_param->record);
if ((param->testflag & (T_EXTEND | T_REP)) || searching)
{
- if (_mi_rec_check(info, sort_param->record, sort_param->rec_buff))
+ if (_mi_rec_check(info, sort_param->record, sort_param->rec_buff,
+ sort_param->find_length))
{
mi_check_print_info(param,"Found wrong packed record at %s",
llstr(sort_param->start_recpos,llbuff));
@@ -3301,7 +3314,7 @@ static int sort_ft_key_write(MI_SORT_PARAM *sort_param, const void *a)
if (val_off == a_len &&
mi_compare_text(sort_param->seg->charset,
((uchar *)a)+1,a_len-1,
- ft_buf->lastkey+1,val_off-1, 0)==0)
+ ft_buf->lastkey+1,val_off-1, 0, 0)==0)
{
if (!ft_buf->buf) /* store in second-level tree */
{
@@ -3823,7 +3836,7 @@ int update_state_info(MI_CHECK *param, MI_INFO *info,uint update)
return 0;
}
err:
- mi_check_print_error(param,"%d when updateing keyfile",my_errno);
+ mi_check_print_error(param,"%d when updating keyfile",my_errno);
return 1;
}
@@ -3953,18 +3966,18 @@ static my_bool mi_too_big_key_for_sort(MI_KEYDEF *key, ha_rows rows)
void mi_disable_non_unique_index(MI_INFO *info, ha_rows rows)
{
MYISAM_SHARE *share=info->s;
- uint i;
- if (!info->state->records) /* Don't do this if old rows */
+ MI_KEYDEF *key=share->keyinfo;
+ uint i;
+
+ DBUG_ASSERT(info->state->records == 0 &&
+ (!rows || rows >= MI_MIN_ROWS_TO_DISABLE_INDEXES));
+ for (i=0 ; i < share->base.keys ; i++,key++)
{
- MI_KEYDEF *key=share->keyinfo;
- for (i=0 ; i < share->base.keys ; i++,key++)
+ if (!(key->flag & (HA_NOSAME | HA_SPATIAL | HA_AUTO_KEY)) &&
+ ! mi_too_big_key_for_sort(key,rows) && info->s->base.auto_key != i+1)
{
- if (!(key->flag & (HA_NOSAME | HA_SPATIAL | HA_AUTO_KEY)) &&
- ! mi_too_big_key_for_sort(key,rows) && info->s->base.auto_key != i+1)
- {
- share->state.key_map&= ~ ((ulonglong) 1 << i);
- info->update|= HA_STATE_CHANGED;
- }
+ share->state.key_map&= ~ ((ulonglong) 1 << i);
+ info->update|= HA_STATE_CHANGED;
}
}
}
diff --git a/myisam/mi_create.c b/myisam/mi_create.c
index 72633966b54..5682862c39a 100644
--- a/myisam/mi_create.c
+++ b/myisam/mi_create.c
@@ -383,7 +383,13 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
my_errno=HA_WRONG_CREATE_OPTION;
goto err;
}
- if ((keydef->flag & (HA_NOSAME | HA_NULL_PART_KEY)) == HA_NOSAME)
+ /*
+ key_segs may be 0 in the case when we only want to be able to
+ add on row into the table. This can happen with some DISTINCT queries
+ in MySQL
+ */
+ if ((keydef->flag & (HA_NOSAME | HA_NULL_PART_KEY)) == HA_NOSAME &&
+ key_segs)
share.state.rec_per_key_part[key_segs-1]=1L;
length+=key_length;
keydef->block_length= MI_BLOCK_SIZE(length,pointer,MI_MAX_KEYPTR_SIZE);
diff --git a/myisam/mi_dynrec.c b/myisam/mi_dynrec.c
index 079779bd0ef..30a4762abe0 100644
--- a/myisam/mi_dynrec.c
+++ b/myisam/mi_dynrec.c
@@ -14,7 +14,15 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /* Functions to handle space-packed-records and blobs */
+/*
+ Functions to handle space-packed-records and blobs
+
+ A row may be stored in one or more linked blocks.
+ The block size is between MI_MIN_BLOCK_LENGTH and MI_MAX_BLOCK_LENGTH.
+ Each block is aligned on MI_DYN_ALIGN_SIZE.
+ The reson for the max block size is to not have too many different types
+ of blocks. For the differnet block types, look at _mi_get_block_info()
+*/
#include "myisamdef.h"
#include <assert.h>
@@ -148,7 +156,7 @@ static int write_dynamic_record(MI_INFO *info, const byte *record,
} while (reclength);
DBUG_RETURN(0);
- err:
+err:
DBUG_RETURN(1);
}
@@ -264,37 +272,62 @@ static bool unlink_deleted_block(MI_INFO *info, MI_BLOCK_INFO *block_info)
DBUG_RETURN(0);
}
- /* Delete datarecord from database */
- /* info->rec_cache.seek_not_done is updated in cmp_record */
-static int delete_dynamic_record(MI_INFO *info, my_off_t filepos,
- uint second_read)
+/*
+ Add a backward link to delete block
+
+ SYNOPSIS
+ update_backward_delete_link()
+ info MyISAM handler
+ delete_block Position to delete block to update.
+ If this is 'HA_OFFSET_ERROR', nothing will be done
+ filepos Position to block that 'delete_block' should point to
+
+ RETURN
+ 0 ok
+ 1 error. In this case my_error is set.
+*/
+
+static int update_backward_delete_link(MI_INFO *info, my_off_t delete_block,
+ my_off_t filepos)
{
- uint length,b_type;
- MI_BLOCK_INFO block_info,del_block;
- int error=0;
- my_bool remove_next_block;
- DBUG_ENTER("delete_dynamic_record");
+ MI_BLOCK_INFO block_info;
+ DBUG_ENTER("update_backward_delete_link");
- /* First add a link from the last block to the new one */
- if (info->s->state.dellink != HA_OFFSET_ERROR)
+ if (delete_block != HA_OFFSET_ERROR)
{
block_info.second_read=0;
- if (_mi_get_block_info(&block_info,info->dfile,info->s->state.dellink)
+ if (_mi_get_block_info(&block_info,info->dfile,delete_block)
& BLOCK_DELETED)
{
char buff[8];
mi_sizestore(buff,filepos);
- if (my_pwrite(info->dfile,buff,8,info->s->state.dellink+12,
- MYF(MY_NABP)))
- error=1; /* Error on write */
+ if (my_pwrite(info->dfile,buff, 8, delete_block+12, MYF(MY_NABP)))
+ DBUG_RETURN(1); /* Error on write */
}
else
{
- error=1; /* Wrong delete link */
my_errno=HA_ERR_WRONG_IN_RECORD;
+ DBUG_RETURN(1); /* Wrong delete link */
}
}
+ return 0;
+}
+
+ /* Delete datarecord from database */
+ /* info->rec_cache.seek_not_done is updated in cmp_record */
+
+static int delete_dynamic_record(MI_INFO *info, my_off_t filepos,
+ uint second_read)
+{
+ uint length,b_type;
+ MI_BLOCK_INFO block_info,del_block;
+ int error;
+ my_bool remove_next_block;
+ DBUG_ENTER("delete_dynamic_record");
+
+ /* First add a link from the last block to the new one */
+ error= update_backward_delete_link(info, info->s->state.dellink, filepos);
block_info.second_read=second_read;
do
@@ -518,21 +551,11 @@ int _mi_write_part_record(MI_INFO *info,
*reclength-=(length-head_length);
*flag=6;
- if (del_length && next_delete_block != HA_OFFSET_ERROR)
+ if (del_length)
{
/* link the next delete block to this */
- MI_BLOCK_INFO del_block;
- del_block.second_read=0;
- if (!(_mi_get_block_info(&del_block,info->dfile,next_delete_block)
- & BLOCK_DELETED))
- {
- my_errno=HA_ERR_WRONG_IN_RECORD;
- goto err;
- }
- mi_sizestore(del_block.header+12,info->s->state.dellink);
- if (my_pwrite(info->dfile,(char*) del_block.header+12,8,
- next_delete_block+12,
- MYF(MY_NABP)))
+ if (update_backward_delete_link(info, next_delete_block,
+ info->s->state.dellink))
goto err;
}
@@ -574,6 +597,8 @@ static int update_dynamic_record(MI_INFO *info, my_off_t filepos, byte *record,
{
uint tmp=MY_ALIGN(reclength - length + 3 +
test(reclength >= 65520L),MI_DYN_ALIGN_SIZE);
+ /* Don't create a block bigger than MI_MAX_BLOCK_LENGTH */
+ tmp= min(length+tmp, MI_MAX_BLOCK_LENGTH)-length;
/* Check if we can extend this block */
if (block_info.filepos + block_info.block_len ==
info->state->data_file_length &&
@@ -588,9 +613,15 @@ static int update_dynamic_record(MI_INFO *info, my_off_t filepos, byte *record,
info->update|= HA_STATE_WRITE_AT_END | HA_STATE_EXTEND_BLOCK;
length+=tmp;
}
- else
+ else if (length < MI_MAX_BLOCK_LENGTH - MI_MIN_BLOCK_LENGTH)
{
- /* Check if next block is a deleted block */
+ /*
+ Check if next block is a deleted block
+ Above we have MI_MIN_BLOCK_LENGTH to avoid the problem where
+ the next block is so small it can't be splited which could
+ casue problems
+ */
+
MI_BLOCK_INFO del_block;
del_block.second_read=0;
if (_mi_get_block_info(&del_block,info->dfile,
@@ -601,7 +632,35 @@ static int update_dynamic_record(MI_INFO *info, my_off_t filepos, byte *record,
DBUG_PRINT("info",("Extending current block"));
if (unlink_deleted_block(info,&del_block))
goto err;
- length+=del_block.block_len;
+ if ((length+=del_block.block_len) > MI_MAX_BLOCK_LENGTH)
+ {
+ /*
+ New block was too big, link overflow part back to
+ delete list
+ */
+ my_off_t next_pos;
+ ulong rest_length= length-MI_MAX_BLOCK_LENGTH;
+ set_if_bigger(rest_length, MI_MIN_BLOCK_LENGTH);
+ next_pos= del_block.filepos+ del_block.block_len - rest_length;
+
+ if (update_backward_delete_link(info, info->s->state.dellink,
+ next_pos))
+ DBUG_RETURN(1);
+
+ /* create delete link for data that didn't fit into the page */
+ del_block.header[0]=0;
+ mi_int3store(del_block.header+1, rest_length);
+ mi_sizestore(del_block.header+4,info->s->state.dellink);
+ bfill(del_block.header+12,8,255);
+ if (my_pwrite(info->dfile,(byte*) del_block.header,20, next_pos,
+ MYF(MY_NABP)))
+ DBUG_RETURN(1);
+ info->s->state.dellink= next_pos;
+ info->s->state.split++;
+ info->state->del++;
+ info->state->empty+= rest_length;
+ length-= rest_length;
+ }
}
}
}
@@ -615,7 +674,10 @@ static int update_dynamic_record(MI_INFO *info, my_off_t filepos, byte *record,
&record,&reclength,&flag))
goto err;
if ((filepos=block_info.next_filepos) == HA_OFFSET_ERROR)
+ {
+ /* Start writing data on deleted blocks */
filepos=info->s->state.dellink;
+ }
}
if (block_info.next_filepos != HA_OFFSET_ERROR)
@@ -744,7 +806,8 @@ uint _mi_rec_pack(MI_INFO *info, register byte *to, register const byte *from)
Returns 0 if record is ok.
*/
-my_bool _mi_rec_check(MI_INFO *info,const char *record, byte *rec_buff)
+my_bool _mi_rec_check(MI_INFO *info,const char *record, byte *rec_buff,
+ ulong packed_length)
{
uint length,new_length,flag,bit,i;
char *pos,*end,*packpos,*to;
@@ -836,8 +899,7 @@ my_bool _mi_rec_check(MI_INFO *info,const char *record, byte *rec_buff)
to+=length;
}
}
- if (info->packed_length != (uint) (to - rec_buff)
- + test(info->s->calc_checksum) ||
+ if (packed_length != (uint) (to - rec_buff) + test(info->s->calc_checksum) ||
(bit != 1 && (flag & ~(bit - 1))))
goto err;
if (info->s->calc_checksum)
@@ -850,7 +912,7 @@ my_bool _mi_rec_check(MI_INFO *info,const char *record, byte *rec_buff)
}
DBUG_RETURN(0);
- err:
+err:
DBUG_RETURN(1);
}
@@ -966,8 +1028,8 @@ ulong _mi_rec_unpack(register MI_INFO *info, register byte *to, byte *from,
if (info->s->calc_checksum)
from++;
if (to == to_end && from == from_end && (bit == 1 || !(flag & ~(bit-1))))
- DBUG_RETURN((info->packed_length=found_length));
- err:
+ DBUG_RETURN(found_length);
+err:
my_errno=HA_ERR_RECORD_DELETED;
DBUG_PRINT("error",("to_end: %lx -> %lx from_end: %lx -> %lx",
to,to_end,from,from_end));
@@ -1210,7 +1272,7 @@ int _mi_cmp_dynamic_record(register MI_INFO *info, register const byte *record)
}
}
my_errno=0;
- err:
+err:
if (buffer != info->rec_buff)
my_afree((gptr) buffer);
DBUG_RETURN(my_errno);
diff --git a/myisam/mi_extra.c b/myisam/mi_extra.c
index ce072d7d57e..4b011ca424f 100644
--- a/myisam/mi_extra.c
+++ b/myisam/mi_extra.c
@@ -19,6 +19,9 @@
#include <sys/mman.h>
#endif
+static void mi_extra_keyflag(MI_INFO *info, enum ha_extra_function function);
+
+
/*
Set options and buffers to optimize table handling
@@ -355,6 +358,10 @@ int mi_extra(MI_INFO *info, enum ha_extra_function function, void *extra_arg)
case HA_EXTRA_PRELOAD_BUFFER_SIZE:
info->preload_buff_size= *((ulong *) extra_arg);
break;
+ case HA_EXTRA_CHANGE_KEY_TO_UNIQUE:
+ case HA_EXTRA_CHANGE_KEY_TO_DUP:
+ mi_extra_keyflag(info, function);
+ break;
case HA_EXTRA_KEY_CACHE:
case HA_EXTRA_NO_KEY_CACHE:
default:
@@ -367,3 +374,27 @@ int mi_extra(MI_INFO *info, enum ha_extra_function function, void *extra_arg)
}
DBUG_RETURN(error);
} /* mi_extra */
+
+
+/*
+ Start/Stop Inserting Duplicates Into a Table, WL#1648.
+ */
+static void mi_extra_keyflag(MI_INFO *info, enum ha_extra_function function)
+{
+ uint idx;
+
+ for (idx= 0; idx< info->s->base.keys; idx++)
+ {
+ switch (function) {
+ case HA_EXTRA_CHANGE_KEY_TO_UNIQUE:
+ info->s->keyinfo[idx].flag|= HA_NOSAME;
+ break;
+ case HA_EXTRA_CHANGE_KEY_TO_DUP:
+ info->s->keyinfo[idx].flag&= ~(HA_NOSAME);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
diff --git a/myisam/mi_locking.c b/myisam/mi_locking.c
index 816748d459a..b13ebfb4cad 100644
--- a/myisam/mi_locking.c
+++ b/myisam/mi_locking.c
@@ -286,6 +286,21 @@ void mi_copy_status(void* to,void *from)
((MI_INFO*) to)->state= &((MI_INFO*) from)->save_state;
}
+
+/*
+ Check if should allow concurrent inserts
+
+ IMPLEMENTATION
+ Don't allow concurrent inserts if we have a hole in the table.
+
+ NOTES
+ Rtree indexes are disabled in mi_open()
+
+ RETURN
+ 0 ok to use concurrent inserts
+ 1 not ok
+*/
+
my_bool mi_check_status(void* param)
{
MI_INFO *info=(MI_INFO*) param;
diff --git a/myisam/mi_rnext.c b/myisam/mi_rnext.c
index e1cf916d6d9..6e6056f98d9 100644
--- a/myisam/mi_rnext.c
+++ b/myisam/mi_rnext.c
@@ -57,47 +57,45 @@ int mi_rnext(MI_INFO *info, byte *buf, int inx)
}
else
{
- switch(info->s->keyinfo[inx].key_alg)
- {
- case HA_KEY_ALG_RTREE:
+ switch (info->s->keyinfo[inx].key_alg) {
+ case HA_KEY_ALG_RTREE:
/*
- Note that rtree doesn't support that the table
- may be changed since last call, so we do need
- to skip rows inserted by other threads like in btree
+ Note that rtree doesn't support that the table
+ may be changed since last call, so we do need
+ to skip rows inserted by other threads like in btree
*/
- error=rtree_get_next(info,inx,info->lastkey_length);
- break;
+ error= rtree_get_next(info,inx,info->lastkey_length);
+ break;
- case HA_KEY_ALG_BTREE:
- default:
- if (!changed)
- {
- error=_mi_search_next(info,info->s->keyinfo+inx,info->lastkey,
- info->lastkey_length,flag,
- info->s->state.key_root[inx]);
- }
- else
- {
- error=_mi_search(info,info->s->keyinfo+inx,info->lastkey,
- USE_WHOLE_KEY,flag, info->s->state.key_root[inx]);
- }
- if (!error && info->s->concurrent_insert)
- {
- while (info->lastpos >= info->state->data_file_length)
- {
- /* Skip rows that are inserted by other threads since we got a lock */
- if ((error=_mi_search_next(info,info->s->keyinfo+inx,info->lastkey,
- info->lastkey_length,
- SEARCH_BIGGER,
- info->s->state.key_root[inx])))
- break;
- }
- }
+ case HA_KEY_ALG_BTREE:
+ default:
+ if (!changed)
+ error= _mi_search_next(info,info->s->keyinfo+inx,info->lastkey,
+ info->lastkey_length,flag,
+ info->s->state.key_root[inx]);
+ else
+ error= _mi_search(info,info->s->keyinfo+inx,info->lastkey,
+ USE_WHOLE_KEY,flag, info->s->state.key_root[inx]);
}
}
if (info->s->concurrent_insert)
+ {
+ if (!error)
+ {
+ while (info->lastpos >= info->state->data_file_length)
+ {
+ /* Skip rows inserted by other threads since we got a lock */
+ if ((error=_mi_search_next(info,info->s->keyinfo+inx,
+ info->lastkey,
+ info->lastkey_length,
+ SEARCH_BIGGER,
+ info->s->state.key_root[inx])))
+ break;
+ }
+ }
rw_unlock(&info->s->key_root_lock[inx]);
+ }
/* Don't clear if database-changed */
info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
info->update|= HA_STATE_NEXT_FOUND;
diff --git a/myisam/mi_rprev.c b/myisam/mi_rprev.c
index 4807e636252..b787210e037 100644
--- a/myisam/mi_rprev.c
+++ b/myisam/mi_rprev.c
@@ -52,21 +52,22 @@ int mi_rprev(MI_INFO *info, byte *buf, int inx)
error=_mi_search(info,share->keyinfo+inx,info->lastkey,
USE_WHOLE_KEY, flag, share->state.key_root[inx]);
- if (!error)
+ if (share->concurrent_insert)
{
- while (info->lastpos >= info->state->data_file_length)
+ if (!error)
{
- /* Skip rows that are inserted by other threads since we got a lock */
- if ((error=_mi_search_next(info,share->keyinfo+inx,info->lastkey,
- info->lastkey_length,
- SEARCH_SMALLER,
- share->state.key_root[inx])))
- break;
+ while (info->lastpos >= info->state->data_file_length)
+ {
+ /* Skip rows that are inserted by other threads since we got a lock */
+ if ((error=_mi_search_next(info,share->keyinfo+inx,info->lastkey,
+ info->lastkey_length,
+ SEARCH_SMALLER,
+ share->state.key_root[inx])))
+ break;
+ }
}
- }
-
- if (share->concurrent_insert)
rw_unlock(&share->key_root_lock[inx]);
+ }
info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
info->update|= HA_STATE_PREV_FOUND;
if (error)
diff --git a/myisam/mi_search.c b/myisam/mi_search.c
index 2871633102d..1c4342ff39a 100644
--- a/myisam/mi_search.c
+++ b/myisam/mi_search.c
@@ -18,6 +18,7 @@
#include "fulltext.h"
#include "m_ctype.h"
+#include <assert.h>
static my_bool _mi_get_prev_key(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page,
uchar *key, uchar *keypos,
@@ -273,7 +274,8 @@ int _mi_prefix_search(MI_INFO *info, register MI_KEYDEF *keyinfo, uchar *page,
uchar *sort_order=keyinfo->seg->charset->sort_order;
uchar tt_buff[MI_MAX_KEY_BUFF+2], *t_buff=tt_buff+2;
uchar *saved_from, *saved_to, *saved_vseg;
- uint saved_length=0, saved_prefix_len=0;
+ uint saved_length=0, saved_prefix_len=0;
+ uint length_pack;
DBUG_ENTER("_mi_prefix_search");
LINT_INIT(length);
@@ -289,26 +291,24 @@ int _mi_prefix_search(MI_INFO *info, register MI_KEYDEF *keyinfo, uchar *page,
page+=2+nod_flag;
*ret_pos=page;
kseg=key;
- {
- uint lenght_pack;
- get_key_pack_length(kseg_len,lenght_pack,kseg);
- key_len_skip=lenght_pack+kseg_len;
- key_len_left=(int) key_len- (int) key_len_skip;
- cmplen=(key_len_left>=0) ? kseg_len : key_len-lenght_pack;
- DBUG_PRINT("info",("key: '%.*s'",kseg_len,kseg));
- }
-/*
- Keys are compressed the following way:
+ get_key_pack_length(kseg_len,length_pack,kseg);
+ key_len_skip=length_pack+kseg_len;
+ key_len_left=(int) key_len- (int) key_len_skip;
+ cmplen=(key_len_left>=0) ? kseg_len : key_len-length_pack;
+ DBUG_PRINT("info",("key: '%.*s'",kseg_len,kseg));
- If the max length of first key segment <= 127 characters the prefix is
- 1 byte else it's 2 byte
+ /*
+ Keys are compressed the following way:
- prefix The high bit is set if this is a prefix for the prev key
- length Packed length if the previous was a prefix byte
- [length] Length character of data
- next-key-seg Next key segments
-*/
+ If the max length of first key segment <= 127 characters the prefix is
+ 1 byte else it's 2 byte
+
+ prefix The high bit is set if this is a prefix for the prev key
+ length Packed length if the previous was a prefix byte
+ [length] Length character of data
+ next-key-seg Next key segments
+ */
matched=0; /* how many char's from prefix were alredy matched */
len=0; /* length of previous key unpacked */
@@ -350,7 +350,8 @@ int _mi_prefix_search(MI_INFO *info, register MI_KEYDEF *keyinfo, uchar *page,
saved_vseg=vseg;
saved_prefix_len=prefix_len;
- DBUG_PRINT("loop",("page: '%.*s%.*s'",prefix_len,t_buff+seg_len_pack,suffix_len,vseg));
+ DBUG_PRINT("loop",("page: '%.*s%.*s'",prefix_len,t_buff+seg_len_pack,
+ suffix_len,vseg));
{
uchar *from=vseg+suffix_len;
HA_KEYSEG *keyseg;
@@ -396,14 +397,15 @@ int _mi_prefix_search(MI_INFO *info, register MI_KEYDEF *keyinfo, uchar *page,
matched=prefix_len+left;
- for(my_flag=0;left;left--)
+ for (my_flag=0;left;left--)
if ((my_flag= (int) sort_order[*vseg++] - (int) sort_order[*k++]))
break;
if (my_flag>0) /* mismatch */
break;
- else if (my_flag==0) /* match */
- { /*
+ if (my_flag==0) /* match */
+ {
+ /*
** len cmplen seg_left_len more_segs
** < matched=len; continue search
** > = prefix ? found : (matched=len; continue search)
@@ -414,30 +416,68 @@ int _mi_prefix_search(MI_INFO *info, register MI_KEYDEF *keyinfo, uchar *page,
*/
if (len < cmplen)
{
- my_flag= -1;
+ if ((keyinfo->seg->type != HA_KEYTYPE_TEXT &&
+ keyinfo->seg->type != HA_KEYTYPE_VARTEXT))
+ my_flag= -1;
+ else
+ {
+ /* We have to compare k and vseg as if they where space extended */
+ uchar *end= k+ (cmplen - len);
+ for ( ; k < end && *k == ' '; k++) ;
+ if (k == end)
+ goto cmp_rest; /* should never happen */
+ if (*k < (uchar) ' ')
+ {
+ my_flag= 1; /* Compared string is smaller */
+ break;
+ }
+ my_flag= -1; /* Continue searching */
+ }
}
else if (len > cmplen)
{
- if ((my_flag= (!(nextflag & SEARCH_PREFIX) || key_len_left>0)))
- break;
- goto fix_flag;
- }
- else if (key_len_left>0)
- {
- uint not_used;
- if ((flag = ha_key_cmp(keyinfo->seg+1,vseg,
- k,key_len_left,nextflag,&not_used)) >= 0)
- break;
+ uchar *end;
+ if ((nextflag & SEARCH_PREFIX) && key_len_left == 0)
+ goto fix_flag;
+
+ /* We have to compare k and vseg as if they where space extended */
+ for (end=vseg + (len-cmplen) ;
+ vseg < end && *vseg == (uchar) ' ';
+ vseg++) ;
+ if (vseg == end)
+ goto cmp_rest; /* should never happen */
+
+ if (*vseg > (uchar) ' ')
+ {
+ my_flag= 1; /* Compared string is smaller */
+ break;
+ }
+ my_flag= -1; /* Continue searching */
}
else
- {
- /* at this line flag==-1 if the following lines were already
- visited and 0 otherwise, i.e. flag <=0 here always !!! */
- fix_flag:
- if (nextflag & (SEARCH_NO_FIND | SEARCH_LAST))
- flag=(nextflag & (SEARCH_BIGGER | SEARCH_LAST)) ? -1 : 1;
- if (flag>=0) break;
- }
+ {
+ cmp_rest:
+ if (key_len_left>0)
+ {
+ uint not_used;
+ if ((flag = ha_key_cmp(keyinfo->seg+1,vseg,
+ k,key_len_left,nextflag,&not_used)) >= 0)
+ break;
+ }
+ else
+ {
+ /*
+ at this line flag==-1 if the following lines were already
+ visited and 0 otherwise, i.e. flag <=0 here always !!!
+ */
+ fix_flag:
+ DBUG_ASSERT(flag <= 0);
+ if (nextflag & (SEARCH_NO_FIND | SEARCH_LAST))
+ flag=(nextflag & (SEARCH_BIGGER | SEARCH_LAST)) ? -1 : 1;
+ if (flag>=0)
+ break;
+ }
+ }
}
matched-=left;
}
@@ -1567,7 +1607,7 @@ _mi_calc_var_pack_key_length(MI_KEYDEF *keyinfo,uint nod_flag,uchar *next_key,
n_length-=tmp_length;
length-=tmp_length+next_length_pack; /* We gained these chars */
}
- if (n_length == 0)
+ if (n_length == 0 && ref_length == new_key_length)
{
s_temp->n_ref_length=pack_marker; /* Same as prev key */
}
diff --git a/myisam/mi_unique.c b/myisam/mi_unique.c
index f4ee39e55ca..38b4ed93311 100644
--- a/myisam/mi_unique.c
+++ b/myisam/mi_unique.c
@@ -180,7 +180,7 @@ int mi_unique_comp(MI_UNIQUEDEF *def, const byte *a, const byte *b,
if (type == HA_KEYTYPE_TEXT || type == HA_KEYTYPE_VARTEXT)
{
if (mi_compare_text(keyseg->charset, (uchar *) pos_a, length,
- (uchar *) pos_b, length, 0))
+ (uchar *) pos_b, length, 0, 0))
return 1;
}
else
diff --git a/myisam/mi_write.c b/myisam/mi_write.c
index 88e7f070642..c17f47fc1ae 100644
--- a/myisam/mi_write.c
+++ b/myisam/mi_write.c
@@ -500,7 +500,7 @@ int _mi_insert(register MI_INFO *info, register MI_KEYDEF *keyinfo,
get_key_length(alen,a);
DBUG_ASSERT(info->ft1_to_ft2==0);
if (alen == blen &&
- mi_compare_text(keyinfo->seg->charset, a, alen, b, blen, 0)==0)
+ mi_compare_text(keyinfo->seg->charset, a, alen, b, blen, 0, 0)==0)
{
/* yup. converting */
info->ft1_to_ft2=(DYNAMIC_ARRAY *)
@@ -916,8 +916,8 @@ int mi_init_bulk_insert(MI_INFO *info, ulong cache_size, ha_rows rows)
DBUG_ENTER("_mi_init_bulk_insert");
DBUG_PRINT("enter",("cache_size: %lu", cache_size));
- if (info->bulk_insert || (rows && rows < MI_MIN_ROWS_TO_USE_BULK_INSERT))
- DBUG_RETURN(0);
+ DBUG_ASSERT(!info->bulk_insert &&
+ (!rows || rows >= MI_MIN_ROWS_TO_USE_BULK_INSERT));
for (i=total_keylength=num_keys=0 ; i < share->base.keys ; i++)
{
diff --git a/myisam/ft_dump.c b/myisam/myisam_ftdump.c
index 47134af71d6..8ab6a7600b2 100644
--- a/myisam/ft_dump.c
+++ b/myisam/myisam_ftdump.c
@@ -20,9 +20,9 @@
#include "ftdefs.h"
#include <my_getopt.h>
-static void get_options(int *argc,char **argv[]);
static void usage();
static void complain(int val);
+static my_bool get_one_option(int, const struct my_option *, char *);
static int count=0, stats=0, dump=0, lstats=0;
static my_bool verbose;
@@ -68,7 +68,8 @@ int main(int argc,char *argv[])
struct { MI_INFO *info; } aio0, *aio=&aio0; /* for GWS_IN_USE */
MY_INIT(argv[0]);
- get_options(&argc, &argv);
+ if ((error=handle_options(&argc, &argv, my_long_options, get_one_option)))
+ exit(error);
if (count || dump)
verbose=0;
if (!count && !dump && !lstats && !query)
@@ -80,12 +81,21 @@ int main(int argc,char *argv[])
if (argc < 2)
usage();
+ {
+ char *end;
+ inx= strtoll(argv[1], &end, 10);
+ if (*end)
+ usage();
+ }
+
init_key_cache(dflt_key_cache,MI_KEY_BLOCK_LENGTH,USE_BUFFER_INIT, 0, 0);
if (!(info=mi_open(argv[0],2,HA_OPEN_ABORT_IF_LOCKED)))
+ {
+ error=my_errno;
goto err;
+ }
- inx=atoi(argv[1]);
*buf2=0;
aio->info=info;
@@ -96,6 +106,8 @@ int main(int argc,char *argv[])
goto err;
}
+ mi_lock_database(info, F_EXTRA_LCK);
+
if (query)
{
#if 0
@@ -112,7 +124,7 @@ int main(int argc,char *argv[])
printf("%d rows matched\n",result->ndocs);
for(i=0 ; i<result->ndocs ; i++)
- printf("%9qx %20.7f\n",result->doc[i].dpos,result->doc[i].weight);
+ printf("%9lx %20.7f\n",(ulong)result->doc[i].dpos,result->doc[i].weight);
ft_nlq_close_search(result);
#else
@@ -179,6 +191,7 @@ int main(int argc,char *argv[])
if (verbose && (total%HOW_OFTEN_TO_WRITE)==0)
printf("%10ld\r",total);
}
+ mi_lock_database(info, F_UNLCK);
if (stats)
{
@@ -252,18 +265,9 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
}
-static void get_options(int *argc, char **argv[])
-{
- int ho_error;
-
- if ((ho_error=handle_options(argc, argv, my_long_options, get_one_option)))
- exit(ho_error);
-} /* get options */
-
-
static void usage()
{
- printf("Use: ft_dump <table_name> <index_no>\n");
+ printf("Use: myisam_ftdump <table_name> <index_num>\n");
my_print_help(my_long_options);
my_print_variables(my_long_options);
exit(1);
diff --git a/myisam/myisamchk.c b/myisam/myisamchk.c
index 3e50e786089..a96632b4f3c 100644
--- a/myisam/myisamchk.c
+++ b/myisam/myisamchk.c
@@ -170,7 +170,7 @@ static struct my_option my_long_options[] =
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"character-sets-dir", OPT_CHARSETS_DIR,
"Directory where character sets are.",
- (gptr*) &set_charset_name, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+ (gptr*) &charsets_dir, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"check", 'c',
"Check table for errors.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
@@ -253,7 +253,7 @@ static struct my_option my_long_options[] =
0, GET_ULL, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"set-character-set", OPT_SET_CHARSET,
"Change the character set used by the index",
- 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+ (gptr*) &set_charset_name, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"set-variable", 'O',
"Change the value of a variable. Please note that this option is deprecated; you can set variables directly with --variable-name=value.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
diff --git a/myisam/myisamdef.h b/myisam/myisamdef.h
index 3788eeca1e3..987a9dfc39e 100644
--- a/myisam/myisamdef.h
+++ b/myisam/myisamdef.h
@@ -249,6 +249,8 @@ struct st_myisam_info {
my_off_t last_search_keypage; /* Last keypage when searching */
my_off_t dupp_key_pos;
ha_checksum checksum;
+ /* QQ: the folloing two xxx_length fields should be removed,
+ as they are not compatible with parallel repair */
ulong packed_length,blob_length; /* Length of found, packed record */
int dfile; /* The datafile */
uint opt_flag; /* Optim. for space/speed */
@@ -414,6 +416,7 @@ typedef struct st_mi_sort_param
#define MI_MIN_SIZE_BULK_INSERT_TREE 16384 /* this is per key */
#define MI_MIN_ROWS_TO_USE_BULK_INSERT 100
+#define MI_MIN_ROWS_TO_DISABLE_INDEXES 100
/* The UNIQUE check is done with a hashed long key */
@@ -577,7 +580,8 @@ extern byte *mi_alloc_rec_buff(MI_INFO *,ulong, byte**);
extern ulong _mi_rec_unpack(MI_INFO *info,byte *to,byte *from,
ulong reclength);
-extern my_bool _mi_rec_check(MI_INFO *info,const char *record, byte *packpos);
+extern my_bool _mi_rec_check(MI_INFO *info,const char *record, byte *packpos,
+ ulong reclength);
extern int _mi_write_part_record(MI_INFO *info,my_off_t filepos,ulong length,
my_off_t next_filepos,byte **record,
ulong *reclength,int *flag);
diff --git a/myisam/myisamlog.c b/myisam/myisamlog.c
index c9b00be7d9e..82f6277ce25 100644
--- a/myisam/myisamlog.c
+++ b/myisam/myisamlog.c
@@ -60,7 +60,6 @@ static int file_info_compare(void *cmp_arg, void *a,void *b);
static int test_if_open(struct file_info *key,element_count count,
struct test_if_open_param *param);
static void fix_blob_pointers(MI_INFO *isam,byte *record);
-static uint set_maximum_open_files(uint);
static int test_when_accessed(struct file_info *key,element_count count,
struct st_access_param *access_param);
static void file_info_free(struct file_info *info);
@@ -89,9 +88,8 @@ int main(int argc, char **argv)
log_filename=myisam_log_filename;
get_options(&argc,&argv);
- /* Nr of isam-files */
- max_files=(set_maximum_open_files(min(max_files,8))-6)/2;
-
+ /* Number of MyISAM files we can have open at one time */
+ max_files= (my_set_max_open_files(min(max_files,8))-6)/2;
if (update)
printf("Trying to %s MyISAM files according to log '%s'\n",
(recover ? "recover" : "update"),log_filename);
@@ -123,6 +121,7 @@ int main(int argc, char **argv)
printf("Had to do %d re-open because of too few possibly open files\n",
re_open_count);
VOID(mi_panic(HA_PANIC_CLOSE));
+ my_free_open_file_info();
my_end(test_info ? MY_CHECK_ERROR | MY_GIVE_INFO : MY_CHECK_ERROR);
exit(error);
return 0; /* No compiler warning */
@@ -732,38 +731,6 @@ static void fix_blob_pointers(MI_INFO *info, byte *record)
}
}
-static uint set_maximum_open_files(uint maximum_files)
-{
-#if defined(HAVE_GETRUSAGE) && defined(RLIMIT_NOFILE)
- struct rlimit rlimit;
- int old_max;
-
- if (maximum_files > MY_NFILE)
- maximum_files=MY_NFILE; /* Don't crash my_open */
-
- if (!getrlimit(RLIMIT_NOFILE,&rlimit))
- {
- old_max=rlimit.rlim_max;
- if (maximum_files && (int) maximum_files > old_max)
- rlimit.rlim_max=maximum_files;
- rlimit.rlim_cur=rlimit.rlim_max;
- if (setrlimit(RLIMIT_NOFILE,&rlimit))
- {
- if (old_max != (int) maximum_files)
- { /* Set as much as we can */
- rlimit.rlim_max=rlimit.rlim_cur=old_max;
- setrlimit(RLIMIT_NOFILE,&rlimit);
- }
- }
- getrlimit(RLIMIT_NOFILE,&rlimit); /* Read if broken setrlimit */
- if (maximum_files && maximum_files < rlimit.rlim_cur)
- VOID(fprintf(stderr,"Warning: Error from setrlimit: Max open files is %d\n",old_max));
- return rlimit.rlim_cur;
- }
-#endif
- return min(maximum_files,MY_NFILE);
-}
-
/* close the file with hasn't been accessed for the longest time */
/* ARGSUSED */