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addresses #1751

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fix buffers

git-svn-id: file:///svn/mysql/tokudb-engine/src@11874 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Zardosht Kasheff 2009-05-07 20:25:14 +00:00 • committed by Yoni Fogel
parent 1412a62983
commit 3b2fe275cb
1 changed files with 59 additions and 25 deletions
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84
storage/tokudb/ha_tokudb.cc
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@ -243,6 +243,25 @@ static int get_name_length(const char *name) {
return n;
}
//
// returns maximum length of dictionary name, such as key-NAME
// NAME_CHAR_LEN is max length of the key name, and have upper bound of 10 for key-
//
#define MAX_DICT_NAME_LEN NAME_CHAR_LEN + 10
//
// returns maximum length of path to a dictionary
//
static int get_max_dict_name_path_length(const char *tablename) {
int n = 0;
n += get_name_length(tablename);
n += 1; //for the '/'
n += MAX_DICT_NAME_LEN;
n += strlen(ha_tokudb_ext);
return n;
}
static void make_name(char *newname, const char *tablename, const char *dictname) {
const char *newtablename = tablename;
char *nn = newname;
@ -815,15 +834,22 @@ bool ha_tokudb::has_auto_increment_flag(uint* index) {
//
int ha_tokudb::open_secondary_table(DB** ptr, KEY* key_info, const char* name, int mode, u_int32_t* key_type) {
int error = ENOSYS;
char part[MAX_ALIAS_NAME + 10];
char dict_name[MAX_DICT_NAME_LEN];
char name_buff[FN_REFLEN];
uint open_flags = (mode == O_RDONLY ? DB_RDONLY : 0) | DB_THREAD;
char* newname = NULL;
newname = (char *)my_malloc(strlen(name) + NAME_CHAR_LEN, MYF(MY_WME));
uint newname_len = 0;
sprintf(dict_name, "key-%s", key_info->name);
newname_len = get_max_dict_name_path_length(name);
newname = (char *)my_malloc(newname_len, MYF(MY_WME|MY_ZEROFILL));
if (newname == NULL) {
error = ENOMEM;
goto cleanup;
}
make_name(newname, name, dict_name);
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
open_flags += DB_AUTO_COMMIT;
@ -831,9 +857,6 @@ int ha_tokudb::open_secondary_table(DB** ptr, KEY* key_info, const char* name, i
my_errno = error;
goto cleanup;
}
sprintf(part, "key-%s", key_info->name);
make_name(newname, name, part);
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
*key_type = key_info->flags & HA_NOSAME ? DB_NOOVERWRITE : DB_YESOVERWRITE;
(*ptr)->set_bt_compare(*ptr, tokudb_cmp_dbt_key);
@ -929,11 +952,16 @@ int ha_tokudb::initialize_share(
open_flags += DB_AUTO_COMMIT;
DBUG_PRINT("info", ("share->use_count %u", share->use_count));
newname = (char *)my_malloc(strlen(name) + NAME_CHAR_LEN,MYF(MY_WME));
newname = (char *)my_malloc(
get_max_dict_name_path_length(name),
MYF(MY_WME|MY_ZEROFILL)
);
if (newname == NULL) {
error = ENOMEM;
goto exit;
}
make_name(newname, name, "main");
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
//
@ -1040,8 +1068,6 @@ int ha_tokudb::initialize_share(
//
share->file->set_bt_compare(share->file, tokudb_cmp_dbt_key);
make_name(newname, name, "main");
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
error = share->file->open(share->file, 0, name_buff, NULL, DB_BTREE, open_flags, 0);
if (error) {
goto exit;
@ -2091,7 +2117,10 @@ int ha_tokudb::get_status() {
//
if (!share->status_block) {
char name_buff[FN_REFLEN];
newname = (char *)my_malloc(get_name_length(share->table_name) + NAME_CHAR_LEN, MYF(MY_WME));
newname = (char *)my_malloc(
get_max_dict_name_path_length(share->table_name),
MYF(MY_WME)
);
if (newname == NULL) {
error = ENOMEM;
goto cleanup;
@ -4401,9 +4430,9 @@ int ha_tokudb::create(const char *name, TABLE * form, HA_CREATE_INFO * create_in
row_desc_buff = (uchar *)my_malloc(2*(form->s->fields * 6)+10 ,MYF(MY_WME));
if (row_desc_buff == NULL){ error = ENOMEM; goto cleanup;}
dirname = (char *)my_malloc(get_name_length(name) + NAME_CHAR_LEN,MYF(MY_WME));
dirname = (char *)my_malloc(get_max_dict_name_path_length(name),MYF(MY_WME));
if (dirname == NULL){ error = ENOMEM; goto cleanup;}
newname = (char *)my_malloc(get_name_length(name) + NAME_CHAR_LEN,MYF(MY_WME));
newname = (char *)my_malloc(get_max_dict_name_path_length(name),MYF(MY_WME));
if (newname == NULL){ error = ENOMEM; goto cleanup;}
primary_key = form->s->primary_key;
hidden_primary_key = (primary_key >= MAX_KEY) ? TOKUDB_HIDDEN_PRIMARY_KEY_LENGTH : 0;
@ -4468,12 +4497,12 @@ int ha_tokudb::create(const char *name, TABLE * form, HA_CREATE_INFO * create_in
/* Create the keys */
char part[MAX_ALIAS_NAME + 10];
char dict_name[MAX_DICT_NAME_LEN];
for (uint i = 0; i < form->s->keys; i++) {
if (i != primary_key) {
int flags = (form->s->key_info[i].flags & HA_CLUSTERING) ? 0 : DB_DUP + DB_DUPSORT;
sprintf(part, "key-%s", form->s->key_info[i].name);
make_name(newname, name, part);
sprintf(dict_name, "key-%s", form->s->key_info[i].name);
make_name(newname, name, dict_name);
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
//
// setup the row descriptor
@ -4559,7 +4588,7 @@ int ha_tokudb::delete_table(const char *name) {
int error;
// remove all of the dictionaries in the table directory
char* newname = NULL;
newname = (char *)my_malloc((tokudb_data_dir ? strlen(tokudb_data_dir) : 0) + strlen(name) + NAME_CHAR_LEN, MYF(MY_WME));
newname = (char *)my_malloc(get_max_dict_name_path_length(name), MYF(MY_WME|MY_ZEROFILL));
if (newname == NULL) {
error = ENOMEM;
goto cleanup;
@ -4990,6 +5019,7 @@ int ha_tokudb::add_index(TABLE *table_arg, KEY *key_info, uint num_of_keys) {
DBT current_primary_key;
DB_TXN* txn = NULL;
char* newname = NULL;
uint newname_len = 0;
uchar* tmp_key_buff = NULL;
uchar* tmp_prim_key_buff = NULL;
uchar* tmp_record = NULL;
@ -5014,7 +5044,8 @@ int ha_tokudb::add_index(TABLE *table_arg, KEY *key_info, uint num_of_keys) {
ulonglong num_processed = 0; //variable that stores number of elements inserted thus far
thd_proc_info(thd, "Adding indexes");
newname = (char *)my_malloc(share->table_name_length + NAME_CHAR_LEN, MYF(MY_WME));
newname_len = get_max_dict_name_path_length(share->table_name);
newname = (char *)my_malloc(newname_len, MYF(MY_WME));
tmp_key_buff = (uchar *)my_malloc(2*table_arg->s->rec_buff_length, MYF(MY_WME));
tmp_prim_key_buff = (uchar *)my_malloc(2*table_arg->s->rec_buff_length, MYF(MY_WME));
tmp_record = table->record[0];
@ -5056,11 +5087,11 @@ int ha_tokudb::add_index(TABLE *table_arg, KEY *key_info, uint num_of_keys) {
// first create all the DB's files
//
row_descriptor.data = row_desc_buff;
char part[MAX_ALIAS_NAME + 10];
char dict_name[MAX_DICT_NAME_LEN];
for (uint i = 0; i < num_of_keys; i++) {
int flags = (key_info[i].flags & HA_CLUSTERING) ? 0 : DB_DUP + DB_DUPSORT;
sprintf(part, "key-%s", key_info[i].name);
make_name(newname, share->table_name, part);
sprintf(dict_name, "key-%s", key_info[i].name);
make_name(newname, share->table_name, dict_name);
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
//
// setup the row descriptor
@ -5301,8 +5332,8 @@ cleanup:
}
for (uint i = 0; i < num_files_created; i++) {
DB* tmp;
sprintf(part, "key-%s", key_info[i].name);
make_name(newname, share->table_name, part);
sprintf(dict_name, "key-%s", key_info[i].name);
make_name(newname, share->table_name, dict_name);
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
if (!(db_create(&tmp, db_env, 0))) {
tmp->remove(tmp, name_buff, NULL, 0);
@ -5338,10 +5369,13 @@ int ha_tokudb::prepare_drop_index(TABLE *table_arg, uint *key_num, uint num_of_k
int error;
char name_buff[FN_REFLEN];
char* newname = NULL;
char part[MAX_ALIAS_NAME + 10];
char dict_name[MAX_DICT_NAME_LEN];
DB** dbs_to_remove = NULL;
newname = (char *)my_malloc(share->table_name_length + NAME_CHAR_LEN, MYF(MY_WME));
newname = (char *)my_malloc(
get_max_dict_name_path_length(share->table_name),
MYF(MY_WME|MY_ZEROFILL)
);
if (newname == NULL) {
error = ENOMEM;
goto cleanup;
@ -5371,8 +5405,8 @@ int ha_tokudb::prepare_drop_index(TABLE *table_arg, uint *key_num, uint num_of_k
share->key_file[curr_index]->close(share->key_file[curr_index],0);
share->key_file[curr_index] = NULL;
sprintf(part, "key-%s", table_arg->key_info[curr_index].name);
make_name(newname, share->table_name, part);
sprintf(dict_name, "key-%s", table_arg->key_info[curr_index].name);
make_name(newname, share->table_name, dict_name);
fn_format(name_buff, newname, "", 0, MY_UNPACK_FILENAME);
dbs_to_remove[i]->remove(dbs_to_remove[i], name_buff, NULL, 0);