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Commit 58b21b0a authored by John Esmet's avatar John Esmet Committed by Yoni Fogel
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[t:3532] merging 3532 to main, statements with serializable 

isolation and autocommit no longer grab read locks, use
DB_TXN_SNAPSHOT instead


git-svn-id: file:///svn/mysql/tokudb-engine/tokudb-engine@36503 c7de825b-a66e-492c-adef-691d508d4ae1
parent 31250598
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Showing with 5 additions and 21 deletions
storage/tokudb/ha_tokudb.cc
View file @ 58b21b0a
......@@ -3660,7 +3660,6 @@ int ha_tokudb::insert_row_to_main_dictionary(uchar* record, DBT* pk_key, DBT* pk
set_main_dict_put_flags(thd, &put_flags, true);
//XXX Get rid of the lock retry logic
error = share->file->put(
share->file,
txn,
......@@ -3684,7 +3683,6 @@ int ha_tokudb::insert_rows_to_dictionaries_mult(DBT* pk_key, DBT* pk_val, DB_TXN
set_main_dict_put_flags(thd, &mult_put_flags[primary_key], false);
//XXX: Get rid of the lock retry logic
error = db_env->put_multiple(
db_env,
share->key_file[primary_key],
......@@ -4012,7 +4010,6 @@ int ha_tokudb::update_row(const uchar * old_row, uchar * new_row) {
set_main_dict_put_flags(thd, &mult_put_flags[primary_key], false);
//XXX: Get rid of the lock retry logic
error = db_env->update_multiple(
db_env,
share->key_file[primary_key],
......@@ -4094,7 +4091,6 @@ int ha_tokudb::delete_row(const uchar * record) {
goto cleanup;
}
//XXX: Get rid of the lock retry logic
error = db_env->del_multiple(
db_env,
share->key_file[primary_key],
......@@ -4227,7 +4223,6 @@ int ha_tokudb::prepare_index_key_scan(const uchar * key, uint key_len) {
pack_key(&end_key, active_index, prelocked_right_range, key, key_len, COL_POS_INF);
prelocked_right_range_size = end_key.size;
//XXX: Get rid of the lock retry logic
error = cursor->c_pre_acquire_range_lock(
cursor,
&start_key,
......@@ -4501,7 +4496,6 @@ int ha_tokudb::read_full_row(uchar * buf) {
// assumes key is stored in this->last_key
//
//XXX: Get rid of the lock retry logic
error = share->file->getf_set(
share->file,
transaction,
......@@ -4609,7 +4603,6 @@ int ha_tokudb::index_read(uchar * buf, const uchar * key, uint key_len, enum ha_
pack_key(&lookup_key, active_index, key_buff3, key, key_len, COL_NEG_INF);
ir_info.orig_key = &lookup_key;
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_set_range(cursor, flags,
&lookup_key, SMART_DBT_IR_CALLBACK, &ir_info);
if (ir_info.cmp) {
......@@ -4618,19 +4611,16 @@ int ha_tokudb::index_read(uchar * buf, const uchar * key, uint key_len, enum ha_
break;
case HA_READ_AFTER_KEY: /* Find next rec. after key-record */
pack_key(&lookup_key, active_index, key_buff3, key, key_len, COL_POS_INF);
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_set_range(cursor, flags,
&lookup_key, SMART_DBT_CALLBACK, &info);
break;
case HA_READ_BEFORE_KEY: /* Find next rec. before key-record */
pack_key(&lookup_key, active_index, key_buff3, key, key_len, COL_NEG_INF);
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_set_range_reverse(cursor, flags,
&lookup_key, SMART_DBT_CALLBACK, &info);
break;
case HA_READ_KEY_OR_NEXT: /* Record or next record */
pack_key(&lookup_key, active_index, key_buff3, key, key_len, COL_NEG_INF);
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_set_range(cursor, flags,
&lookup_key, SMART_DBT_CALLBACK, &info);
break;
......@@ -4640,7 +4630,6 @@ int ha_tokudb::index_read(uchar * buf, const uchar * key, uint key_len, enum ha_
case HA_READ_KEY_OR_PREV: /* Record or previous */
pack_key(&lookup_key, active_index, key_buff3, key, key_len, COL_NEG_INF);
ir_info.orig_key = &lookup_key;
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_set_range(cursor, flags,
&lookup_key, SMART_DBT_IR_CALLBACK, &ir_info);
if (error == DB_NOTFOUND) {
......@@ -4652,14 +4641,12 @@ int ha_tokudb::index_read(uchar * buf, const uchar * key, uint key_len, enum ha_
break;
case HA_READ_PREFIX_LAST_OR_PREV: /* Last or prev key with the same prefix */
pack_key(&lookup_key, active_index, key_buff3, key, key_len, COL_POS_INF);
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_set_range_reverse(cursor, flags,
&lookup_key, SMART_DBT_CALLBACK, &info);
break;
case HA_READ_PREFIX_LAST:
pack_key(&lookup_key, active_index, key_buff3, key, key_len, COL_POS_INF);
ir_info.orig_key = &lookup_key;
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_set_range_reverse(cursor, flags, &lookup_key, SMART_DBT_IR_CALLBACK, &ir_info);
if (ir_info.cmp) {
error = DB_NOTFOUND;
......@@ -5019,12 +5006,10 @@ int ha_tokudb::get_next(uchar* buf, int direction) {
// call c_getf_next with purpose of filling in range_query_buff
//
if (direction > 0) {
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_next(cursor, flags,
smart_dbt_bf_callback, &bf_info);
}
else {
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_prev(cursor, flags,
smart_dbt_bf_callback, &bf_info);
}
......@@ -5043,7 +5028,6 @@ int ha_tokudb::get_next(uchar* buf, int direction) {
info.buf = buf;
info.keynr = active_index;
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_next(cursor, flags,
SMART_DBT_CALLBACK, &info);
error = handle_cursor_error(error, HA_ERR_END_OF_FILE,
......@@ -5133,7 +5117,6 @@ int ha_tokudb::index_first(uchar * buf) {
info.buf = buf;
info.keynr = active_index;
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_first(cursor, flags,
SMART_DBT_CALLBACK, &info);
error = handle_cursor_error(error,HA_ERR_END_OF_FILE,active_index);
......@@ -5177,7 +5160,6 @@ int ha_tokudb::index_last(uchar * buf) {
info.buf = buf;
info.keynr = active_index;
//XXX: Get rid of the lock retry logic
error = cursor->c_getf_last(cursor, flags,
SMART_DBT_CALLBACK, &info);
error = handle_cursor_error(error,HA_ERR_END_OF_FILE,active_index);
......@@ -5339,7 +5321,6 @@ int ha_tokudb::rnd_pos(uchar * buf, uchar * pos) {
info.buf = buf;
info.keynr = primary_key;
//XXX: Get rid of the lock retry logic
error = share->file->getf_set(share->file, transaction,
get_cursor_isolation_flags(lock.type, ha_thd()),
key, smart_dbt_callback_rowread_ptquery, &info);
......@@ -5397,7 +5378,6 @@ int ha_tokudb::prelock_range( const key_range *start_key, const key_range *end_k
prelocked_right_range_size = 0;
}
//XXX: Get rid of the lock retry logic
error = cursor->c_pre_acquire_range_lock(
cursor,
start_key ? &start_dbt_key : share->key_file[active_index]->dbt_neg_infty(),
......@@ -5712,6 +5692,8 @@ int ha_tokudb::create_txn(THD* thd, tokudb_trx_data* trx) {
int error;
ulong tx_isolation = thd_tx_isolation(thd);
HA_TOKU_ISO_LEVEL toku_iso_level = tx_to_toku_iso(tx_isolation);
bool is_autocommit = !thd_test_options(
thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN);
/* First table lock, start transaction */
if (thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN) &&
......@@ -5742,6 +5724,9 @@ int ha_tokudb::create_txn(THD* thd, tokudb_trx_data* trx) {
u_int32_t txn_begin_flags;
if (trx->all == NULL) {
txn_begin_flags = toku_iso_to_txn_flag(toku_iso_level);
if (txn_begin_flags == 0 && is_autocommit) {
txn_begin_flags = DB_TXN_SNAPSHOT;
}
}
else {
txn_begin_flags = DB_INHERIT_ISOLATION;
......@@ -7260,7 +7245,6 @@ int ha_tokudb::tokudb_add_index(
// first a global read lock on the main DB, because
// we intend to scan the entire thing
//
//XXX: Get rid of the lock retry logic
error = tmp_cursor->c_pre_acquire_range_lock(
tmp_cursor,
share->file->dbt_neg_infty(),
......
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