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Commit ade20c5b authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi
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Indentation cleanup & new comments

parent ddc8c540
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Showing with 216 additions and 261 deletions
libmysql/Makefile.shared
View file @ ade20c5b
......@@ -62,7 +62,7 @@ mysysobjects1 = my_init.lo my_static.lo my_malloc.lo my_realloc.lo \
my_getopt.lo my_gethostbyname.lo
# Not needed in the minimum library
mysysobjects2 = getvar.lo my_lib.lo
mysysobjects2 = my_lib.lo
mysysobjects = $(mysysobjects1) $(mysysobjects2)
target_libadd = $(mysysobjects) $(mystringsobjects) $(dbugobjects) \
$(vio_objects)
......
myisam/mi_cache.c
View file @ ade20c5b
......@@ -72,8 +72,8 @@ int _mi_read_cache(IO_CACHE *info, byte *buff, my_off_t pos, uint length,
in_buff_length=0;
if (flag & READING_NEXT || info->share)
{
if (pos !=
(info->pos_in_file + (uint) (info->read_end - info->request_pos)))
if (pos != (info->pos_in_file + (uint) (info->read_end -
info->request_pos)))
{
info->pos_in_file=pos; /* Force start here */
info->read_pos=info->read_end=info->request_pos; /* Everything used */
......
myisam/mi_check.c
View file @ ade20c5b
......@@ -1203,7 +1203,8 @@ int mi_repair(MI_CHECK *param, register MI_INFO *info,
for (i=0 ; i < share->state.header.max_block_size ; i++)
share->state.key_del[i]= HA_OFFSET_ERROR;
/* I think mi_repair and mi_repair_by_sort should do the same
/*
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)
......@@ -1737,8 +1738,22 @@ err:
type,my_errno);
DBUG_RETURN(1);
}
/* Fix table or given index using sorting */
/* saves new table in temp_filename */
/*
Repair table or given index using sorting
SYNOPSIS
mi_repair_by_sort()
param Repair parameters
info MyISAM handler to repair
name Name of table (for warnings)
rep_quick set to <> 0 if we should not change data file
RESULT
0 ok
<>0 Error
*/
int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
const char * name, int rep_quick)
......@@ -1956,8 +1971,8 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
goto err;
}
}
share->state.state.data_file_length = info->state->data_file_length
= sort_param.filepos;
share->state.state.data_file_length = info->state->data_file_length=
sort_param.filepos;
/* Only whole records */
share->state.version=(ulong) time((time_t*) 0);
my_close(info->dfile,MYF(0));
......@@ -2079,19 +2094,35 @@ err:
DBUG_RETURN(got_error);
}
/* same as mi_repair_by_sort */
/* but do it multithreaded */
/*
Threaded repair of table using sorting
SYNOPSIS
mi_repair_by_sort_r()
param Repair parameters
info MyISAM handler to repair
name Name of table (for warnings)
rep_quick set to <> 0 if we should not change data file
DESCRIPTION
Same as mi_repair_by_sort but do it multithreaded
Each key is handled by a separate thread.
RESULT
0 ok
<>0 Error
*/
int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
const char * name, int rep_quick)
{
int got_error;
uint i,key;
ulong length;
uint i,key, total_key_length;
ulong rec_length;
ha_rows start_records;
my_off_t new_header_length,del;
File new_file;
MI_SORT_PARAM *sort_param=0, *sinfo;
MI_SORT_PARAM *sort_param=0;
MYISAM_SHARE *share=info->s;
ulong *rec_per_key_part;
MI_KEYSEG *keyseg;
......@@ -2193,14 +2224,14 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
my_seek(param->read_cache.file,0L,MY_SEEK_END,MYF(0));
if (share->data_file_type == DYNAMIC_RECORD)
length=max(share->base.min_pack_length+1,share->base.min_block_length);
rec_length=max(share->base.min_pack_length+1,share->base.min_block_length);
else if (share->data_file_type == COMPRESSED_RECORD)
length=share->base.min_block_length;
rec_length=share->base.min_block_length;
else
length=share->base.pack_reclength;
rec_length=share->base.pack_reclength;
sort_info.max_records=
((param->testflag & T_CREATE_MISSING_KEYS) ? info->state->records :
(ha_rows) (sort_info.filelength/length+1));
(ha_rows) (sort_info.filelength/rec_length+1));
del=info->state->del;
param->glob_crc=0;
......@@ -2215,7 +2246,7 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
mi_check_print_error(param,"Not enough memory!");
goto err;
}
length=0;
total_key_length=0;
rec_per_key_part= param->rec_per_key_part;
info->state->records=info->state->del=share->state.split=0;
info->state->empty=0;
......@@ -2235,10 +2266,8 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
i--;
continue;
}
if ((!(param->testflag & T_SILENT)))
printf ("- Fixing index %d\n",key+1);
sort_param[i].key_read=(sort_param[i].keyinfo->flag & HA_FULLTEXT) ?
sort_ft_key_read : sort_key_read;
sort_param[i].key_read= ((sort_param[i].keyinfo->flag & HA_FULLTEXT) ?
sort_ft_key_read : sort_key_read);
sort_param[i].key_cmp=sort_key_cmp;
sort_param[i].key_write=sort_key_write;
sort_param[i].lock_in_memory=lock_memory;
......@@ -2249,8 +2278,8 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
sort_param[i].filepos=new_header_length;
sort_param[i].max_pos=sort_param[i].pos=share->pack.header_length;
sort_param[i].record=((char *)(sort_param+share->base.keys))+
(share->base.pack_reclength * i);
sort_param[i].record= (((char *)(sort_param+share->base.keys))+
(share->base.pack_reclength * i));
sort_param[i].key_length=share->rec_reflength;
for (keyseg=sort_param[i].keyinfo->seg; keyseg->type != HA_KEYTYPE_END;
......@@ -2264,8 +2293,7 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
if (keyseg->flag & HA_NULL_PART)
sort_param[i].key_length++;
}
length+=sort_param[i].key_length;
total_key_length+=sort_param[i].key_length;
if (sort_param[i].keyinfo->flag & HA_FULLTEXT)
sort_param[i].key_length+=ft_max_word_len_for_sort-ft_max_word_len;
......@@ -2274,12 +2302,12 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
sort_param[0].fix_datafile= ! rep_quick;
sort_info.got_error=0;
pthread_mutex_init(& sort_info.mutex, MY_MUTEX_INIT_FAST);
pthread_cond_init(& sort_info.cond, 0);
pthread_mutex_lock(& sort_info.mutex);
pthread_mutex_init(&sort_info.mutex, MY_MUTEX_INIT_FAST);
pthread_cond_init(&sort_info.cond, 0);
pthread_mutex_lock(&sort_info.mutex);
init_io_cache_share(& param->read_cache, &io_share, i);
for (i=0 ; i<sort_info.total_keys ; i++)
init_io_cache_share(&param->read_cache, &io_share, i);
for (i=0 ; i < sort_info.total_keys ; i++)
{
sort_param[i].read_cache=param->read_cache;
sort_param[i].sortbuff_size=
......@@ -2292,13 +2320,13 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
#if 1
param->sort_buffer_length/sort_info.total_keys;
#else
param->sort_buffer_length*sort_param[i].key_length/length;
param->sort_buffer_length*sort_param[i].key_length/total_key_length;
#endif
if (pthread_create(& sort_param[i].thr, 0,
(void *(*)(void*))_thr_find_all_keys, sort_param+i))
{
mi_check_print_error(param,"Cannot start a repair thread");
remove_io_thread(& param->read_cache);
remove_io_thread(&param->read_cache);
sort_info.got_error=1;
}
else
......@@ -2307,17 +2335,17 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
/* waiting for all threads to finish */
while (sort_info.threads_running)
pthread_cond_wait(& sort_info.cond, &sort_info.mutex);
pthread_mutex_unlock(& sort_info.mutex);
pthread_cond_wait(&sort_info.cond, &sort_info.mutex);
pthread_mutex_unlock(&sort_info.mutex);
if (got_error=_thr_write_keys(sort_param))
if ((got_error= _thr_write_keys(sort_param)))
{
param->retry_repair=1;
goto err;
}
got_error=1;
got_error=1; /* Assume the following may go wrong */
if (sort_param[0].fix_datafile)
if (sort_param->fix_datafile)
{
if (write_data_suffix(&sort_info,1) || end_io_cache(&info->rec_cache))
goto err;
......@@ -2330,8 +2358,8 @@ int mi_repair_by_sort_r(MI_CHECK *param, register MI_INFO *info,
goto err;
}
}
share->state.state.data_file_length = info->state->data_file_length
= sort_param->filepos;
share->state.state.data_file_length= info->state->data_file_length=
sort_param->filepos;
/* Only whole records */
share->state.version=(ulong) time((time_t*) 0);
my_close(info->dfile,MYF(0));
......@@ -2424,8 +2452,8 @@ err:
share->state.changed&= ~STATE_NOT_OPTIMIZED_KEYS;
share->state.changed|=STATE_NOT_SORTED_PAGES;
pthread_cond_destroy (& sort_info.cond);
pthread_mutex_destroy(& sort_info.mutex);
pthread_cond_destroy (&sort_info.cond);
pthread_mutex_destroy(&sort_info.mutex);
my_free((gptr) sort_info.key_block,MYF(MY_ALLOW_ZERO_PTR));
my_free((gptr) sort_param,MYF(MY_ALLOW_ZERO_PTR));
......@@ -2457,7 +2485,8 @@ static int sort_key_read(MI_SORT_PARAM *sort_param, void *key)
"Found too many records; Can`t continue");
DBUG_RETURN(1);
}
sort_param->real_key_length=(info->s->rec_reflength+
sort_param->real_key_length=
(info->s->rec_reflength+
_mi_make_key(info, sort_param->key, (uchar*) key,
sort_param->record, sort_param->filepos));
DBUG_RETURN(sort_write_record(sort_param));
......@@ -2981,7 +3010,8 @@ int sort_write_record(MI_SORT_PARAM *sort_param)
/* Compare two keys from _create_index_by_sort */
static int sort_key_cmp(MI_SORT_PARAM *sort_param, const void *a, const void *b)
static int sort_key_cmp(MI_SORT_PARAM *sort_param, const void *a,
const void *b)
{
uint not_used;
return (_mi_key_cmp(sort_param->keyinfo->seg,*((uchar**) a),*((uchar**) b),
......@@ -2999,8 +3029,9 @@ static int sort_key_write(MI_SORT_PARAM *sort_param, const void *a)
if (sort_info->key_block->inited)
{
cmp=_mi_key_cmp(sort_param->keyinfo->seg,sort_info->key_block->lastkey,
(uchar*) a, USE_WHOLE_KEY,SEARCH_FIND | SEARCH_UPDATE ,&diff_pos);
cmp=_mi_key_cmp(sort_param->keyinfo->seg, sort_info->key_block->lastkey,
(uchar*) a, USE_WHOLE_KEY, SEARCH_FIND | SEARCH_UPDATE,
&diff_pos);
sort_param->unique[diff_pos-1]++;
}
else
......@@ -3638,8 +3669,7 @@ void mi_disable_non_unique_index(MI_INFO *info, ha_rows rows)
*/
my_bool mi_test_if_sort_rep(MI_INFO *info, ha_rows rows,
ulonglong key_map,
my_bool force)
ulonglong key_map, my_bool force)
{
MYISAM_SHARE *share=info->s;
MI_KEYDEF *key=share->keyinfo;
......
myisam/sort.c
View file @ ade20c5b
......@@ -27,7 +27,8 @@
#endif
#include <queues.h>
/* static variables */
/* static variables */
#undef MIN_SORT_MEMORY
#undef MYF_RW
#undef DISK_BUFFER_SIZE
......@@ -48,7 +49,7 @@ typedef struct st_buffpek {
extern void print_error _VARARGS((const char *fmt,...));
/* functions defined in this file */
/* Functions defined in this file */
static ha_rows NEAR_F find_all_keys(MI_SORT_PARAM *info,uint keys,
uchar **sort_keys,
......@@ -57,7 +58,8 @@ static ha_rows NEAR_F find_all_keys(MI_SORT_PARAM *info,uint keys,
IO_CACHE *tempfile_for_exceptions);
static int NEAR_F write_keys(MI_SORT_PARAM *info,uchar * *sort_keys,
uint count, BUFFPEK *buffpek,IO_CACHE *tempfile);
static int NEAR_F write_key(MI_SORT_PARAM *info, uchar *key, IO_CACHE *tempfile);
static int NEAR_F write_key(MI_SORT_PARAM *info, uchar *key,
IO_CACHE *tempfile);
static int NEAR_F write_index(MI_SORT_PARAM *info,uchar * *sort_keys,
uint count);
static int NEAR_F merge_many_buff(MI_SORT_PARAM *info,uint keys,
......@@ -72,8 +74,21 @@ static int NEAR_F merge_buffers(MI_SORT_PARAM *info,uint keys,
BUFFPEK *Fb, BUFFPEK *Tb);
static int NEAR_F merge_index(MI_SORT_PARAM *,uint,uchar **,BUFFPEK *, int,
IO_CACHE *);
/* Creates a index of sorted keys */
/* Returns 0 if everything went ok */
/*
Creates a index of sorted keys
SYNOPSIS
_create_index_by_sort()
info Sort parameters
no_messages Set to 1 if no output
sortbuff_size Size if sortbuffer to allocate
RESULT
0 ok
<> 0 Error
*/
int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages,
ulong sortbuff_size)
......@@ -209,7 +224,7 @@ err:
} /* _create_index_by_sort */
/* Search after all keys and place them in a temp. file */
/* Search after all keys and place them in a temp. file */
static ha_rows NEAR_F find_all_keys(MI_SORT_PARAM *info, uint keys,
uchar **sort_keys, DYNAMIC_ARRAY *buffpek,
......@@ -223,7 +238,7 @@ static ha_rows NEAR_F find_all_keys(MI_SORT_PARAM *info, uint keys,
idx=error=0;
sort_keys[0]=(uchar*) (sort_keys+keys);
while(!(error=(*info->key_read)(info,sort_keys[idx])))
while (!(error=(*info->key_read)(info,sort_keys[idx])))
{
if (info->real_key_length > info->key_length)
{
......@@ -248,7 +263,8 @@ static ha_rows NEAR_F find_all_keys(MI_SORT_PARAM *info, uint keys,
DBUG_RETURN(HA_POS_ERROR); /* Aborted by get_key */ /* purecov: inspected */
if (buffpek->elements)
{
if (write_keys(info,sort_keys,idx,(BUFFPEK *)alloc_dynamic(buffpek),tempfile))
if (write_keys(info,sort_keys,idx,(BUFFPEK *)alloc_dynamic(buffpek),
tempfile))
DBUG_RETURN(HA_POS_ERROR); /* purecov: inspected */
*maxbuffer=buffpek->elements-1;
}
......@@ -258,21 +274,22 @@ static ha_rows NEAR_F find_all_keys(MI_SORT_PARAM *info, uint keys,
DBUG_RETURN((*maxbuffer)*(keys-1)+idx);
} /* find_all_keys */
/* Search after all keys and place them in a temp. file */
/* Search after all keys and place them in a temp. file */
void *_thr_find_all_keys(MI_SORT_PARAM *info)
{
int error,skr;
int error;
uint memavl,old_memavl,keys,sort_length;
uint idx, maxbuffer;
uchar **sort_keys;
MI_KEYSEG *keyseg;
my_b_clear(&info->tempfile);
my_b_clear(&info->tempfile_for_exceptions);
bzero((char*) &info->buffpek,sizeof(info->buffpek));
bzero((char*) &info->unique, sizeof(info->unique));
sort_keys= (uchar **) NULL; error= 1;
sort_keys= (uchar **) NULL;
error= 1;
if (info->sort_info->got_error)
goto err;
......@@ -280,12 +297,15 @@ void *_thr_find_all_keys(MI_SORT_PARAM *info)
idx= info->sort_info->max_records;
sort_length= info->key_length;
maxbuffer=1;
while (memavl >= MIN_SORT_MEMORY)
{
if ((my_off_t) (idx+1)*(sort_length+sizeof(char*)) <=
(my_off_t) memavl)
keys= idx+1;
else
{
uint skr;
do
{
skr=maxbuffer;
......@@ -299,9 +319,10 @@ void *_thr_find_all_keys(MI_SORT_PARAM *info)
}
}
while ((maxbuffer= (int) (idx/(keys-1)+1)) != skr);
}
if ((sort_keys=(uchar **)my_malloc(keys*(sort_length+sizeof(char*))+
((info->keyinfo->flag & HA_FULLTEXT) ? HA_FT_MAXLEN : 0), MYF(0))))
((info->keyinfo->flag & HA_FULLTEXT) ?
HA_FT_MAXLEN : 0), MYF(0))))
{
if (my_init_dynamic_array(&info->buffpek, sizeof(BUFFPEK),
maxbuffer, maxbuffer/2))
......@@ -318,7 +339,6 @@ void *_thr_find_all_keys(MI_SORT_PARAM *info)
mi_check_print_error(info->sort_info->param,"Sort buffer to small"); /* purecov: tested */
goto err; /* purecov: tested */
}
// (*info->lock_in_memory)(info->sort_info->param);/* Everything is allocated */
if (info->sort_info->param->testflag & T_VERBOSE)
printf("Key %d - Allocating buffer for %d keys\n",info->key+1,keys);
......@@ -327,12 +347,12 @@ void *_thr_find_all_keys(MI_SORT_PARAM *info)
idx=error=0;
sort_keys[0]=(uchar*) (sort_keys+keys);
while(!(error=info->sort_info->got_error) ||
while (!(error=info->sort_info->got_error) ||
!(error=(*info->key_read)(info,sort_keys[idx])))
{
if (info->real_key_length > info->key_length)
{
if (write_key(info,sort_keys[idx],& info->tempfile_for_exceptions))
if (write_key(info,sort_keys[idx], &info->tempfile_for_exceptions))
goto err;
continue;
}
......@@ -340,7 +360,8 @@ void *_thr_find_all_keys(MI_SORT_PARAM *info)
if (++idx == keys)
{
if (write_keys(info,sort_keys,idx-1,
(BUFFPEK *)alloc_dynamic(&info->buffpek), &info->tempfile))
(BUFFPEK *)alloc_dynamic(&info->buffpek),
&info->tempfile))
goto err;
sort_keys[0]=(uchar*) (sort_keys+keys);
......@@ -353,8 +374,8 @@ void *_thr_find_all_keys(MI_SORT_PARAM *info)
goto err;
if (info->buffpek.elements)
{
if (write_keys(info,sort_keys,idx,(BUFFPEK *)
alloc_dynamic(&info->buffpek),&info->tempfile))
if (write_keys(info,sort_keys, idx,
(BUFFPEK *) alloc_dynamic(&info->buffpek), &info->tempfile))
goto err;
info->keys=(info->buffpek.elements-1)*(keys-1)+idx;
}
......@@ -370,31 +391,36 @@ err:
my_free((gptr) sort_keys,MYF(0));
info->sort_keys=0;
delete_dynamic(& info->buffpek);
close_cached_file(& info->tempfile);
close_cached_file(& info->tempfile_for_exceptions);
close_cached_file(&info->tempfile);
close_cached_file(&info->tempfile_for_exceptions);
ok:
remove_io_thread(& info->read_cache);
pthread_mutex_lock(& info->sort_info->mutex);
remove_io_thread(&info->read_cache);
pthread_mutex_lock(&info->sort_info->mutex);
info->sort_info->threads_running--;
pthread_cond_signal(& info->sort_info->cond);
pthread_mutex_unlock(& info->sort_info->mutex);
pthread_cond_signal(&info->sort_info->cond);
pthread_mutex_unlock(&info->sort_info->mutex);
return NULL;
} /* _thr_find_all_keys */
int _thr_write_keys(MI_SORT_PARAM *sort_param)
{
SORT_INFO *sort_info=sort_param->sort_info;
MI_CHECK *param=sort_info->param;
ulong length, keys;
ulong *rec_per_key_part=param->rec_per_key_part;
int i, got_error=sort_info->got_error;
int got_error=sort_info->got_error;
uint i;
MI_INFO *info=sort_info->info;
MYISAM_SHARE *share=info->s;
MI_SORT_PARAM *sinfo;
byte *mergebuf=0;
LINT_INIT(length);
for (i=0, sinfo=sort_param ; i<sort_info->total_keys ; i++, sinfo++,
rec_per_key_part+=sinfo->keyinfo->keysegs)
for (i=0, sinfo=sort_param ;
i < sort_info->total_keys ;
i++, sinfo++, rec_per_key_part+=sinfo->keyinfo->keysegs)
{
if (!sinfo->sort_keys)
{
......@@ -408,8 +434,11 @@ int _thr_write_keys(MI_SORT_PARAM *sort_param)
if (!sinfo->buffpek.elements)
{
if (param->testflag & T_VERBOSE)
printf("Key %d - Dumping %lu keys\n",sinfo->key+1, sinfo->keys);
if (write_index(sinfo,sinfo->sort_keys,(uint) sinfo->keys) ||
{
printf("Key %d - Dumping %u keys\n",sinfo->key+1, sinfo->keys);
fflush(stdout);
}
if (write_index(sinfo, sinfo->sort_keys, sinfo->keys) ||
flush_pending_blocks(sinfo))
got_error=1;
}
......@@ -417,12 +446,14 @@ int _thr_write_keys(MI_SORT_PARAM *sort_param)
sinfo->sort_keys=0;
}
for (i=0, sinfo=sort_param ; i<sort_info->total_keys ; i++, sinfo++,
delete_dynamic(& sinfo->buffpek),
close_cached_file(& sinfo->tempfile),
close_cached_file(& sinfo->tempfile_for_exceptions))
for (i=0, sinfo=sort_param ;
i < sort_info->total_keys ;
i++, sinfo++, delete_dynamic(&sinfo->buffpek),
close_cached_file(&sinfo->tempfile),
close_cached_file(&sinfo->tempfile_for_exceptions))
{
if (got_error) continue;
if (got_error)
continue;
if (sinfo->buffpek.elements)
{
uint maxbuffer=sinfo->buffpek.elements-1;
......@@ -444,7 +475,7 @@ int _thr_write_keys(MI_SORT_PARAM *sort_param)
if (maxbuffer >= MERGEBUFF2)
{
if (param->testflag & T_VERBOSE)
printf("Key %d - Merging %lu keys\n",sinfo->key+1, sinfo->keys);
printf("Key %d - Merging %u keys\n",sinfo->key+1, sinfo->keys);
if (merge_many_buff(sinfo, keys, (uchar **)mergebuf,
dynamic_element(&sinfo->buffpek, 0, BUFFPEK *),
&maxbuffer, &sinfo->tempfile))
......@@ -463,8 +494,8 @@ int _thr_write_keys(MI_SORT_PARAM *sort_param)
printf("Key %d - Last merge and dumping keys", sinfo->key+1);
if (merge_index(sinfo, keys, (uchar **)mergebuf,
dynamic_element(&sinfo->buffpek,0,BUFFPEK *),
maxbuffer,&sinfo->tempfile)
|| flush_pending_blocks(sinfo))
maxbuffer,&sinfo->tempfile) ||
flush_pending_blocks(sinfo))
{
got_error=1;
continue;
......@@ -484,10 +515,10 @@ int _thr_write_keys(MI_SORT_PARAM *sort_param)
continue;
}
while (!got_error
&& !my_b_read(&sinfo->tempfile_for_exceptions,(byte*)&key_length,
sizeof(key_length))
&& !my_b_read(&sinfo->tempfile_for_exceptions,(byte*)mergebuf,
while (!got_error &&
!my_b_read(&sinfo->tempfile_for_exceptions,(byte*)&key_length,
sizeof(key_length)) &&
!my_b_read(&sinfo->tempfile_for_exceptions,(byte*)mergebuf,
(uint) key_length))
{
if (_mi_ck_write(info,sinfo->key,(uchar*) mergebuf,
......@@ -526,7 +557,8 @@ static int NEAR_F write_keys(MI_SORT_PARAM *info, register uchar **sort_keys,
} /* write_keys */
static int NEAR_F write_key(MI_SORT_PARAM *info, uchar *key, IO_CACHE *tempfile)
static int NEAR_F write_key(MI_SORT_PARAM *info, uchar *key,
IO_CACHE *tempfile)
{
uint key_length=info->real_key_length;
DBUG_ENTER("write_key");
......@@ -542,6 +574,7 @@ static int NEAR_F write_key(MI_SORT_PARAM *info, uchar *key, IO_CACHE *tempfile)
DBUG_RETURN(0);
} /* write_key */
/* Write index */
static int NEAR_F write_index(MI_SORT_PARAM *info, register uchar **sort_keys,
......@@ -552,8 +585,10 @@ static int NEAR_F write_index(MI_SORT_PARAM *info, register uchar **sort_keys,
qsort2((gptr) sort_keys,(size_t) count,sizeof(byte*),
(qsort2_cmp) info->key_cmp,info);
while (count--)
{
if ((*info->key_write)(info,*sort_keys++))
DBUG_RETURN(-1); /* purecov: inspected */
}
DBUG_RETURN(0);
} /* write_index */
......@@ -604,8 +639,18 @@ static int NEAR_F merge_many_buff(MI_SORT_PARAM *info, uint keys,
} /* merge_many_buff */
/* Read data to buffer */
/* This returns (uint) -1 if something goes wrong */
/*
Read data to buffer
SYNOPSIS
read_to_buffer()
fromfile File to read from
buffpek Where to read from
sort_length max length to read
RESULT
> 0 Ammount of bytes read
-1 Error
*/
static uint NEAR_F read_to_buffer(IO_CACHE *fromfile, BUFFPEK *buffpek,
uint sort_length)
......@@ -627,8 +672,10 @@ static uint NEAR_F read_to_buffer(IO_CACHE *fromfile, BUFFPEK *buffpek,
} /* read_to_buffer */
/* Merge buffers to one buffer */
/* If to_file == 0 then use info->key_write */
/*
Merge buffers to one buffer
If to_file == 0 then use info->key_write
*/
static int NEAR_F
merge_buffers(MI_SORT_PARAM *info, uint keys, IO_CACHE *from_file,
......
myisammrg/myrg_delete.c
View file @ ade20c5b
......@@ -18,12 +18,10 @@
#include "myrg_def.h"
int myrg_delete(
MYRG_INFO *info,
const byte *record)
int myrg_delete(MYRG_INFO *info, const byte *record)
{
if (!info->current_table)
return my_errno=HA_ERR_NO_ACTIVE_RECORD ;
return (my_errno= HA_ERR_NO_ACTIVE_RECORD);
return mi_delete(info->current_table->table,record);
}
myisammrg/myrg_rsame.c
View file @ ade20c5b
......@@ -19,10 +19,10 @@
int myrg_rsame(MYRG_INFO *info,byte *record,int inx)
{
if (inx) /* not yet used, should be 0 */
return my_errno=HA_ERR_WRONG_INDEX;
return (my_errno=HA_ERR_WRONG_INDEX);
if (!info->current_table)
return my_errno=HA_ERR_NO_ACTIVE_RECORD;
return (my_errno=HA_ERR_NO_ACTIVE_RECORD);
return mi_rsame(info->current_table->table,record,inx);
}
myisammrg/myrg_update.c
View file @ ade20c5b
......@@ -21,7 +21,7 @@
int myrg_update(register MYRG_INFO *info,const byte *oldrec, byte *newrec)
{
if (!info->current_table)
return my_errno=HA_ERR_NO_ACTIVE_RECORD;
return (my_errno=HA_ERR_NO_ACTIVE_RECORD);
return mi_update(info->current_table->table,oldrec,newrec);
}
myisammrg/myrg_write.c
View file @ ade20c5b
......@@ -26,5 +26,5 @@ int myrg_write(register MYRG_INFO *info, byte *rec)
else if (info->merge_insert_method == MERGE_INSERT_TO_LAST)
return mi_write(info->end_table[-1].table,rec);
else /* unsupported insertion method */
return my_errno=HA_ERR_WRONG_COMMAND;
return (my_errno= HA_ERR_WRONG_COMMAND);
}
mysys/Makefile.am
View file @ ade20c5b
......@@ -44,7 +44,7 @@ libmysys_a_SOURCES = my_init.c my_getwd.c mf_getdate.c\
my_delete.c my_rename.c my_redel.c my_tempnam.c \
my_chsize.c my_lread.c my_lwrite.c my_clock.c \
my_quick.c my_lockmem.c my_static.c \
my_getopt.c getvar.c my_mkdir.c \
my_getopt.c my_mkdir.c \
default.c my_compress.c checksum.c raid.cc \
my_net.c \
my_vsnprintf.c charset.c my_bitmap.c my_bit.c md5.c \
......
mysys/getvar.c deleted 100644 → 0
View file @ ddc8c540
/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Allow use of the -O variable= option to set long variables */
#include "mysys_priv.h"
#include <m_string.h>
#include <m_ctype.h>
#include <my_getopt.h>
/* set all changeable variables */
void set_all_changeable_vars(CHANGEABLE_VAR *vars)
{
for ( ; vars->name ; vars++)
*vars->varptr= vars->def_value;
}
my_bool set_changeable_varval(const char* var, ulong val,
CHANGEABLE_VAR *vars)
{
char buffer[256];
sprintf( buffer, "%s=%lu", var, (unsigned long) val );
return set_changeable_var( buffer, vars );
}
my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars)
{
char endchar;
my_string end;
DBUG_ENTER("set_changeable_var");
DBUG_PRINT("enter",("%s",str));
if (str)
{
if (!(end=strchr(str,'=')))
fprintf(stderr,"Can't find '=' in expression '%s' to option -O\n",str);
else
{
uint length,found_count=0;
CHANGEABLE_VAR *var,*found;
my_string var_end;
const char *name;
longlong num;
/* Skip end space from variable */
for (var_end=end ; end > str && isspace(var_end[-1]) ; var_end--) ;
length=(uint) (var_end-str);
/* Skip start space from argument */
for (end++ ; isspace(*end) ; end++) ;
for (var=vars,found=0 ; (name=var->name) ; var++)
{
if (!my_casecmp(name,str,length))
{
found=var; found_count++;
if (!name[length])
{
found_count=1;
break;
}
}
}
if (found_count == 0)
{
fprintf(stderr,"No variable match for: -O '%s'\n",str);
DBUG_RETURN(1);
}
if (found_count > 1)
{
fprintf(stderr,"Variable prefix '%*s' is not unique\n",length,str);
DBUG_RETURN(1);
}
num=strtoll(end, (char **)NULL, 10); endchar=strend(end)[-1];
if (endchar == 'k' || endchar == 'K')
num*=1024;
else if (endchar == 'm' || endchar == 'M')
num*=1024L*1024L;
else if (endchar == 'g' || endchar == 'G')
num*=1024L*1024L*1024L;
else if (!isdigit(endchar))
{
fprintf(stderr,"Unknown prefix used for variable value '%s'\n",str);
DBUG_RETURN(1);
}
if (num < (longlong) found->min_value)
num=(longlong) found->min_value;
else if (num > 0 && (ulonglong) num > (ulonglong) (ulong) found->max_value)
num=(longlong) (ulong) found->max_value;
num=((num- (longlong) found->sub_size) / (ulonglong) found->block_size);
(*found->varptr)= (long) (num*(ulonglong) found->block_size);
DBUG_RETURN(0);
}
}
DBUG_RETURN(1);
}
sql/field.cc
View file @ ade20c5b
......@@ -312,8 +312,8 @@ bool Field::optimize_range(uint idx)
}
/****************************************************************************
** Functions for the Field_decimal class
** This is an unpacked number.
Functions for the Field_decimal class
This is an number stored as a pre-space (or pre-zero) string
****************************************************************************/
void
......@@ -326,6 +326,8 @@ void Field_decimal::overflow(bool negative)
{
uint len=field_length;
char *to=ptr, filler= '9';
current_thd->cuted_fields++;
if (negative)
{
if (!unsigned_flag)
......@@ -419,7 +421,7 @@ void Field_decimal::store(const char *from,uint len)
if ((tmp_dec=dec))
tmp_dec++;
for (; from!=end && isspace(*from); from++) ; // Read spaces
for (; from !=end && isspace(*from); from++) ; // Read spaces
if (from == end)
{
current_thd->cuted_fields++;
......@@ -436,15 +438,14 @@ void Field_decimal::store(const char *from,uint len)
{
if (sign_char=='-')
{
current_thd->cuted_fields++;
Field_decimal::overflow(1);
return;
}
else
sign_char=0;
}
}
pre_zeros_from= from;
for (; from!=end && *from == '0'; from++) ; // Read prezeros
pre_zeros_end=int_digits_from=from;
......@@ -484,7 +485,7 @@ void Field_decimal::store(const char *from,uint len)
if (current_thd->count_cuted_fields)
{
for (;from!=end && isspace(*from); from++) ; // Read end spaces
for (;from != end && isspace(*from); from++) ; // Read end spaces
if (from != end) // If still something left, warn
{
current_thd->cuted_fields++;
......@@ -563,7 +564,6 @@ void Field_decimal::store(const char *from,uint len)
if (field_length < tmp_uint + (int) (sign_char == '-'))
{
current_thd->cuted_fields++;
// too big number, change to max or min number
Field_decimal::overflow(sign_char == '-');
return;
......@@ -606,7 +606,7 @@ void Field_decimal::store(const char *from,uint len)
}
else
{
left_wall=to+(sign_char!=0)-1;
left_wall=to+(sign_char != 0)-1;
if (!expo_sign_char) // If exponent was specified, ignore prezeros
{
for (;pos != left_wall && pre_zeros_from !=pre_zeros_end;
......@@ -659,7 +659,7 @@ void Field_decimal::store(const char *from,uint len)
{
if (tmp_char != '0') // Losing a non zero digit ?
{
if (current_thd->count_cuted_fields && !is_cuted_fields_incr)
if (!is_cuted_fields_incr)
current_thd->cuted_fields++;
return;
}
......@@ -696,14 +696,12 @@ void Field_decimal::store(double nr)
if (unsigned_flag && nr < 0)
{
overflow(1);
current_thd->cuted_fields++;
return;
}
if (isinf(nr)) // Handle infinity as special case
{
overflow(nr < 0.0);
current_thd->cuted_fields++;
return;
}
......@@ -721,10 +719,7 @@ void Field_decimal::store(double nr)
length=(uint) strlen(buff);
if (length > field_length)
{
overflow(nr < 0.0);
current_thd->cuted_fields++;
}
else
{
to=ptr;
......@@ -740,7 +735,6 @@ void Field_decimal::store(longlong nr)
if (unsigned_flag && nr < 0)
{
overflow(1);
current_thd->cuted_fields++;
return;
}
char buff[22];
......@@ -748,10 +742,7 @@ void Field_decimal::store(longlong nr)
uint int_part=field_length- (dec ? dec+1 : 0);
if (length > int_part)
{
overflow(test(nr < 0L)); /* purecov: inspected */
current_thd->cuted_fields++; /* purecov: inspected */
}
else
{
char fyllchar = zerofill ? (char) '0' : (char) ' ';
......
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