Commit 197e8ffe authored by Rich Prohaska's avatar Rich Prohaska Committed by Yoni Fogel

implement auto increment for primary keys in which the first field is the auto...

implement auto increment for primary keys in which the first field is the auto increment field. addresses #541

git-svn-id: file:///svn/mysql/tokudb-engine/src@2928 c7de825b-a66e-492c-adef-691d508d4ae1
parent 81d56a51
......@@ -59,6 +59,7 @@ typedef struct st_tokudb_trx_data {
#define STATUS_PRIMARY_KEY_INIT 1
#define STATUS_ROW_COUNT_INIT 2
#define STATUS_TOKUDB_ANALYZE 4
#define STATUS_AUTO_INCREMENT_INIT 8
const char *ha_tokudb_ext = ".tokudb";
......@@ -78,6 +79,7 @@ static char *tokudb_log_dir;
//static ulong tokudb_cache_parts = 1;
static ulong tokudb_trans_retry = 1;
static ulong tokudb_max_lock;
static ulong tokudb_debug;
static DB_ENV *db_env;
......@@ -218,7 +220,7 @@ static int tokudb_init_func(void *p) {
DBUG_PRINT("info", ("tokudb_env_flags: 0x%x\n", tokudb_env_flags));
r = db_env->set_flags(db_env, tokudb_env_flags, 1);
if (r) { // QQQ
printf("%s:%d:WARNING: flags %x r %d\n", __FILE__, __LINE__, tokudb_env_flags, r); // goto error;
if (tokudb_debug) printf("%s:%d:WARNING: flags %x r %d\n", __FILE__, __LINE__, tokudb_env_flags, r); // goto error;
}
// config error handling
......@@ -262,7 +264,7 @@ static int tokudb_init_func(void *p) {
u_int32_t gbytes, bytes; int parts;
r = db_env->get_cachesize(db_env, &gbytes, &bytes, &parts);
if (r == 0)
printf("%s:%d:tokudb_cache_size %lld\n", __FILE__, __LINE__, ((unsigned long long) gbytes << 30) + bytes);
if (tokudb_debug) printf("%s:%d:tokudb_cache_size %lld\n", __FILE__, __LINE__, ((unsigned long long) gbytes << 30) + bytes);
#if 0
// QQQ config the logs
......@@ -457,7 +459,7 @@ static int tokudb_commit(handlerton * hton, THD * thd, bool all) {
trx->sp_level = 0;
*txn = 0;
} else
printf("%s:%d:commit0\n", __FILE__, __LINE__);
if (tokudb_debug) printf("%s:%d:commit0\n", __FILE__, __LINE__);
DBUG_RETURN(error);
}
......@@ -473,7 +475,7 @@ static int tokudb_rollback(handlerton * hton, THD * thd, bool all) {
trx->sp_level = 0;
*txn = 0;
} else
printf("%s:%d:abort0\n", __FILE__, __LINE__);
if (tokudb_debug) printf("%s:%d:abort0\n", __FILE__, __LINE__);
DBUG_RETURN(error);
}
......@@ -786,7 +788,7 @@ int ha_tokudb::open(const char *name, int mode, uint test_if_locked) {
/* Fill in shared structure, if needed */
pthread_mutex_lock(&share->mutex);
file = share->file;
printf("%s:%d:tokudbopen:%p:share=%p:file=%p:table=%p:table->s=%p:%d:tid=%u\n", __FILE__, __LINE__, this, share, share->file, table, table->s, share->use_count, my_tid());
if (tokudb_debug) printf("%s:%d:tokudbopen:%p:share=%p:file=%p:table=%p:table->s=%p:%d:tid=%u\n", __FILE__, __LINE__, this, share, share->file, table, table->s, share->use_count, my_tid());
if (!share->use_count++) {
DBUG_PRINT("info", ("share->use_count %u", share->use_count));
......@@ -880,7 +882,7 @@ int ha_tokudb::close(void) {
int ha_tokudb::__close(int mutex_is_locked) {
DBUG_ENTER("ha_tokudb::__close");
printf("%s:%d:close:%p\n", __FILE__, __LINE__, this);
if (tokudb_debug) printf("%s:%d:close:%p\n", __FILE__, __LINE__, this);
my_free(rec_buff, MYF(MY_ALLOW_ZERO_PTR));
my_free(alloc_ptr, MYF(MY_ALLOW_ZERO_PTR));
ha_tokudb::reset(); // current_row buffer
......@@ -1092,32 +1094,52 @@ DBT *ha_tokudb::pack_key(DBT * key, uint keynr, uchar * buff, const uchar * key_
DBUG_RETURN(key);
}
/** @brief
Get status information that is stored in the 'status' sub database
and the max used value for the hidden primary key.
*/
void ha_tokudb::get_status() {
if (!test_all_bits(share->status, (STATUS_PRIMARY_KEY_INIT | STATUS_ROW_COUNT_INIT))) {
pthread_mutex_lock(&share->mutex);
if (!(share->status & STATUS_PRIMARY_KEY_INIT)) {
(void) extra(HA_EXTRA_KEYREAD);
int ha_tokudb::read_last() {
int do_commit = 0;
if (transaction == 0) {
int r = db_env->txn_begin(db_env, 0, &transaction, 0);
assert(r == 0);
do_commit = 1;
}
index_init(primary_key, 0);
if (!index_last(table->record[1]))
share->auto_ident = uint5korr(current_ident);
int error = index_init(primary_key, 0);
if (error == 0)
error = index_last(table->record[1]);
index_end();
if (do_commit) {
int r = transaction->commit(transaction, 0);
assert(r == 0);
transaction = 0;
}
return error;
}
/** @brief
Get status information that is stored in the 'status' sub database
and the max used value for the hidden primary key.
*/
void ha_tokudb::get_status() {
int error;
if (!test_all_bits(share->status, (STATUS_PRIMARY_KEY_INIT | STATUS_ROW_COUNT_INIT))) {
pthread_mutex_lock(&share->mutex);
(void) extra(HA_EXTRA_KEYREAD);
read_last();
(void) extra(HA_EXTRA_NO_KEYREAD);
if (error == 0) {
if (!(share->status & STATUS_PRIMARY_KEY_INIT)) {
share->auto_ident = uint5korr(current_ident);
}
// mysql may not initialize the next_number_field here
// so we do this in the get_auto_increment method
if (table->next_number_field) {
share->last_auto_increment = table->next_number_field->val_int_offset(table->s->rec_buff_length);
if (tokudb_debug) printf("%s:%d:init auto increment:%lld\n", __FILE__, __LINE__, share->last_auto_increment);
}
}
if (!share->status_block) {
char name_buff[FN_REFLEN];
char newname[get_name_length(share->table_name) + 32];
......@@ -1132,6 +1154,7 @@ void ha_tokudb::get_status() {
}
}
}
if (!(share->status & STATUS_ROW_COUNT_INIT) && share->status_block) {
share->org_rows = share->rows = table_share->max_rows ? table_share->max_rows : HA_TOKUDB_MAX_ROWS;
DB_TXN *transaction = 0;
......@@ -1322,7 +1345,7 @@ int ha_tokudb::write_row(uchar * record) {
}
}
}
if (error != DB_LOCK_DEADLOCK)
if (error != DB_LOCK_DEADLOCK && error != DB_LOCK_NOTGRANTED)
break;
}
}
......@@ -1488,7 +1511,7 @@ int ha_tokudb::update_row(const uchar * old_row, uchar * new_row) {
}
}
}
if (error != DB_LOCK_DEADLOCK)
if (error != DB_LOCK_DEADLOCK && error != DB_LOCK_NOTGRANTED)
break;
}
if (error == DB_KEYEXIST)
......@@ -1571,7 +1594,7 @@ int ha_tokudb::delete_row(const uchar * record) {
DBUG_PRINT("error", ("Got error %d", error));
break; // No retry - return error
}
if (error != DB_LOCK_DEADLOCK)
if (error != DB_LOCK_DEADLOCK && error != DB_LOCK_NOTGRANTED)
break;
}
#ifdef CANT_COUNT_DELETED_ROWS
......@@ -1972,7 +1995,7 @@ int ha_tokudb::external_lock(THD * thd, int lock_type) {
}
DBUG_PRINT("trans", ("starting transaction stmt"));
if (trx->stmt)
printf("%s:%d:warning:stmt=%p\n", __FILE__, __LINE__, trx->stmt);
if (tokudb_debug) printf("%s:%d:warning:stmt=%p\n", __FILE__, __LINE__, trx->stmt);
if ((error = db_env->txn_begin(db_env, trx->sp_level, &trx->stmt, 0))) {
/* We leave the possible master transaction open */
trx->tokudb_lock_count--; // We didn't get the lock
......@@ -2317,6 +2340,7 @@ ha_rows ha_tokudb::records_in_range(uint keynr, key_range * start_key, key_range
void ha_tokudb::get_auto_increment(ulonglong offset, ulonglong increment, ulonglong nb_desired_values, ulonglong * first_value, ulonglong * nb_reserved_values) {
#if 0
/* Ideally in case of real error (not "empty table") nr should be ~ULL(0) */
ulonglong nr = 1; // Default if error or new key
int error;
......@@ -2371,10 +2395,29 @@ void ha_tokudb::get_auto_increment(ulonglong offset, ulonglong increment, ulongl
ha_tokudb::index_end();
(void) ha_tokudb::extra(HA_EXTRA_NO_KEYREAD);
*first_value = nr;
#else
ulonglong nr;
pthread_mutex_lock(&share->mutex);
if (!(share->status & STATUS_AUTO_INCREMENT_INIT)) {
share->status |= STATUS_AUTO_INCREMENT_INIT;
int error = read_last();
if (error == 0) {
share->last_auto_increment = table->next_number_field->val_int_offset(table->s->rec_buff_length);
if (tokudb_debug) printf("%s:%d:init auto increment:%lld\n", __FILE__, __LINE__, share->last_auto_increment);
}
}
share->last_auto_increment += increment;
nr = share->last_auto_increment;
share->last_auto_increment += nb_desired_values;
pthread_mutex_unlock(&share->mutex);
*first_value = nr;
*nb_reserved_values = ULONGLONG_MAX;
#endif
}
void ha_tokudb::print_error(int error, myf errflag) {
if (error == DB_LOCK_DEADLOCK)
if (error == DB_LOCK_DEADLOCK || error == DB_LOCK_NOTGRANTED)
error = HA_ERR_LOCK_DEADLOCK;
handler::print_error(error, errflag);
}
......@@ -2452,9 +2495,12 @@ static MYSQL_SYSVAR_ULONGLONG(cache_size, tokudb_cache_size, PLUGIN_VAR_READONLY
static MYSQL_SYSVAR_ULONG(max_lock, tokudb_max_lock, PLUGIN_VAR_READONLY, "TokuDB Max Locks", NULL, NULL, 8 * 1024, 0, ~0L, 0);
static MYSQL_SYSVAR_ULONG(debug, tokudb_debug, PLUGIN_VAR_READONLY, "TokuDB Debug", NULL, NULL, 1, 0, ~0L, 0);
static MYSQL_SYSVAR_STR(log_dir, tokudb_log_dir, PLUGIN_VAR_READONLY, "TokuDB Log Directory", NULL, NULL, NULL);
static MYSQL_SYSVAR_STR(data_dir, tokudb_data_dir, PLUGIN_VAR_READONLY, "TokuDB Data Directory", NULL, NULL, NULL);
#if 0
static MYSQL_SYSVAR_ULONG(cache_parts, tokudb_cache_parts, PLUGIN_VAR_READONLY, "Sets TokuDB set_cache_parts", NULL, NULL, 0, 0, ~0L, 0);
......@@ -2490,6 +2536,7 @@ static struct st_mysql_sys_var *tokudb_system_variables[] = {
MYSQL_SYSVAR(max_lock),
MYSQL_SYSVAR(data_dir),
MYSQL_SYSVAR(log_dir),
MYSQL_SYSVAR(debug),
#if 0
MYSQL_SYSVAR(cache_parts),
MYSQL_SYSVAR(env_flags),
......
......@@ -11,6 +11,7 @@ typedef struct st_tokudb_share {
THR_LOCK lock;
ulonglong auto_ident;
ulonglong last_auto_increment;
ha_rows rows, org_rows;
ulong *rec_per_key;
DB *status_block, *file, **key_file;
......@@ -145,4 +146,5 @@ class ha_tokudb : public handler {
private:
int __close(int mutex_is_locked);
int read_last();
};
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