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[t:2151], some changes as result of code review
git-svn-id: file:///svn/mysql/tokudb-engine/src@16274 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Zardosht Kasheff
Yoni Fogel
parent
83fd01094f
commit
42498ddc34
4 changed files with 13 additions and 64 deletions
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@ -1046,7 +1046,6 @@ int ha_tokudb::open_status_dictionary(DB** ptr, const char* name, DB_TXN* txn) {
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error = db_create(ptr, db_env, 0);
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if (error) { goto cleanup; }
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(*ptr)->set_bt_compare((*ptr), tokudb_cmp_dbt_key);
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error = (*ptr)->open((*ptr), txn, newname, NULL, DB_BTREE, open_mode, 0);
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if (error) {
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goto cleanup;
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@ -1066,7 +1065,7 @@ int ha_tokudb::open_main_dictionary(const char* name, bool is_read_only, DB_TXN*
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int error;
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char* newname = NULL;
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uint open_flags = (is_read_only ? DB_RDONLY : 0) | DB_THREAD;
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open_flags += DB_AUTO_COMMIT;
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open_flags |= DB_AUTO_COMMIT;
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assert(share->file == NULL);
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assert(share->key_file[primary_key] == NULL);
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@ -1087,11 +1086,6 @@ int ha_tokudb::open_main_dictionary(const char* name, bool is_read_only, DB_TXN*
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}
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share->key_file[primary_key] = share->file;
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//
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// set comparison function for main.tokudb
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//
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share->file->set_bt_compare(share->file, tokudb_cmp_dbt_key);
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error = share->file->open(share->file, txn, newname, NULL, DB_BTREE, open_flags, 0);
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if (error) {
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goto exit;
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@ -1100,6 +1094,8 @@ int ha_tokudb::open_main_dictionary(const char* name, bool is_read_only, DB_TXN*
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if (tokudb_debug & TOKUDB_DEBUG_OPEN) {
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TOKUDB_TRACE("open:%s:file=%p\n", newname, share->file);
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}
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error = 0;
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exit:
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if (error) {
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if (share->file) {
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@ -1135,15 +1131,13 @@ int ha_tokudb::open_secondary_dictionary(DB** ptr, KEY* key_info, const char* na
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}
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make_name(newname, name, dict_name);
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open_flags += DB_AUTO_COMMIT;
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open_flags |= DB_AUTO_COMMIT;
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if ((error = db_create(ptr, db_env, 0))) {
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my_errno = error;
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goto cleanup;
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}
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(*ptr)->set_bt_compare(*ptr, tokudb_cmp_dbt_key);
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if ((error = (*ptr)->open(*ptr, txn, newname, NULL, DB_BTREE, open_flags, 0))) {
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my_errno = error;
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@ -4739,12 +4733,11 @@ int toku_dbt_up(DB*,
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}
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static int create_sub_table(const char *table_name, int flags , DBT* row_descriptor, DB_TXN* txn) {
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static int create_sub_table(const char *table_name, DBT* row_descriptor, DB_TXN* txn) {
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TOKUDB_DBUG_ENTER("create_sub_table");
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int error;
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DB *file = NULL;
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DBUG_PRINT("enter", ("flags: %d", flags));
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error = db_create(&file, db_env, 0);
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if (error) {
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@ -4753,15 +4746,13 @@ static int create_sub_table(const char *table_name, int flags , DBT* row_descrip
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goto exit;
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}
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file->set_flags(file, flags);
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error = file->set_descriptor(file, 1, row_descriptor, toku_dbt_up);
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if (error) {
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DBUG_PRINT("error", ("Got error: %d when setting row descriptor for table '%s'", error, table_name));
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goto exit;
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}
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error = file->open(file, txn, table_name, NULL, DB_BTREE, DB_THREAD | DB_CREATE, my_umask);
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error = file->open(file, txn, table_name, NULL, DB_BTREE, DB_THREAD | DB_CREATE | DB_EXCL, my_umask);
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if (error) {
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DBUG_PRINT("error", ("Got error: %d when opening table '%s'", error, table_name));
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goto exit;
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@ -4877,7 +4868,6 @@ int ha_tokudb::create_secondary_dictionary(const char* name, TABLE* form, KEY* k
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char dict_name[MAX_DICT_NAME_LEN];
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uint hpk= (form->s->primary_key >= MAX_KEY) ? TOKUDB_HIDDEN_PRIMARY_KEY_LENGTH : 0;
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int flags = 0;
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bzero(&row_descriptor, sizeof(row_descriptor));
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row_desc_buff = (uchar *)my_malloc(2*(form->s->fields * 6)+10 ,MYF(MY_WME));
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@ -4902,7 +4892,7 @@ int ha_tokudb::create_secondary_dictionary(const char* name, TABLE* form, KEY* k
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hpk,
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prim_key
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);
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error = create_sub_table(newname, flags, &row_descriptor, txn);
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error = create_sub_table(newname, &row_descriptor, txn);
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cleanup:
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my_free(newname, MYF(MY_ALLOW_ZERO_PTR));
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my_free(row_desc_buff, MYF(MY_ALLOW_ZERO_PTR));
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@ -4946,7 +4936,7 @@ int ha_tokudb::create_main_dictionary(const char* name, TABLE* form, DB_TXN* txn
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);
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/* Create the main table that will hold the real rows */
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error = create_sub_table(newname, 0, &row_descriptor, txn);
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error = create_sub_table(newname, &row_descriptor, txn);
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cleanup:
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my_free(newname, MYF(MY_ALLOW_ZERO_PTR));
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my_free(row_desc_buff, MYF(MY_ALLOW_ZERO_PTR));
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@ -4992,9 +4982,7 @@ int ha_tokudb::create(const char *name, TABLE * form, HA_CREATE_INFO * create_in
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error = db_create(&status_block, db_env, 0);
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if (error) { goto cleanup; }
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status_block->set_bt_compare(status_block, tokudb_cmp_dbt_key);
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error = status_block->open(status_block, txn, newname, NULL, DB_BTREE, DB_CREATE, 0);
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error = status_block->open(status_block, txn, newname, NULL, DB_BTREE, DB_CREATE | DB_EXCL, 0);
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if (error) { goto cleanup; }
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version = HA_TOKU_VERSION;
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@ -5133,7 +5121,7 @@ cleanup:
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//
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int ha_tokudb::delete_or_rename_table (const char* from_name, const char* to_name, bool is_delete) {
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int error;
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DB* status_db;
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DB* status_db = NULL;
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DBC* status_cursor = NULL;
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DB_TXN* txn = NULL;
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DBT curr_key;
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@ -6082,7 +6070,7 @@ int ha_tokudb::truncate_dictionary( uint keynr, DB_TXN* txn ) {
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share->table_name,
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NULL,
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"main",
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false, //is key
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false, //is_key
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txn,
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true // is a delete
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);
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@ -6093,7 +6081,7 @@ int ha_tokudb::truncate_dictionary( uint keynr, DB_TXN* txn ) {
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share->table_name,
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NULL,
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table_share->key_info[keynr].name,
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true, //is key
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true, //is_key
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txn,
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true // is a delete
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);
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@ -1379,35 +1379,6 @@ int tokudb_cmp_dbt_key(DB *file, const DBT *keya, const DBT *keyb) {
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return cmp;
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}
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int tokudb_cmp_dbt_data(DB *file, const DBT *keya, const DBT *keyb) {
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int row_desc_offset = *(u_int32_t *)file->descriptor->data;
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int cmp;
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//
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// for no_dup tables, file->descriptor->size == row_desc_offset
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// so just use a default comparison function
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//
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if ( (file->descriptor->size == 0) || (file->descriptor->size - row_desc_offset == 0) ) {
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int num_bytes_cmp = keya->size < keyb->size ?
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keya->size : keyb->size;
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cmp = memcmp(keya->data,keyb->data,num_bytes_cmp);
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if (cmp == 0 && (keya->size != keyb->size)) {
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cmp = keya->size < keyb->size ? 1 : -1;
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}
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}
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else {
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cmp = tokudb_compare_two_keys(
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keya->data,
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keya->size,
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keyb->data,
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keyb->size,
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(uchar *)file->descriptor->data + row_desc_offset,
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file->descriptor->size - row_desc_offset,
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false
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);
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}
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return cmp;
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}
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//TODO: QQQ Only do one direction for prefix.
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int tokudb_prefix_cmp_dbt_key(DB *file, const DBT *keya, const DBT *keyb) {
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int cmp = tokudb_compare_two_keys(
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@ -97,8 +97,6 @@ int tokudb_compare_two_keys(
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int tokudb_cmp_dbt_key(DB *file, const DBT *keya, const DBT *keyb);
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int tokudb_cmp_dbt_data(DB *file, const DBT *keya, const DBT *keyb);
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//TODO: QQQ Only do one direction for prefix.
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int tokudb_prefix_cmp_dbt_key(DB *file, const DBT *keya, const DBT *keyb);
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@ -202,12 +202,6 @@ static int tokudb_init_func(void *p) {
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DBUG_PRINT("info", ("set_default_bt_compare%d\n", r));
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goto error;
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}
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r = db_env->set_default_dup_compare(db_env, tokudb_cmp_dbt_data);
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if (r) {
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DBUG_PRINT("info", ("set_default_dup_compare%d\n", r));
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goto error;
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}
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// config directories
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#if 0
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@ -298,7 +292,6 @@ static int tokudb_init_func(void *p) {
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goto error;
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}
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metadata_db->set_bt_compare(metadata_db, tokudb_cmp_dbt_key);
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r= metadata_db->open(metadata_db, 0, TOKU_METADB_NAME, NULL, DB_BTREE, DB_THREAD|DB_AUTO_COMMIT, 0);
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if (r) {
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@ -307,7 +300,7 @@ static int tokudb_init_func(void *p) {
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goto error;
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}
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sql_print_warning("No metadata table exists, so creating it");
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r= metadata_db->open(metadata_db, NULL, TOKU_METADB_NAME, NULL, DB_BTREE, DB_THREAD | DB_CREATE, my_umask);
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r= metadata_db->open(metadata_db, NULL, TOKU_METADB_NAME, NULL, DB_BTREE, DB_THREAD | DB_CREATE | DB_EXCL, my_umask);
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if (r) {
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goto error;
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}
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@ -318,7 +311,6 @@ static int tokudb_init_func(void *p) {
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DBUG_PRINT("info", ("failed to create metadata db %d\n", r));
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goto error;
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}
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metadata_db->set_bt_compare(metadata_db, tokudb_cmp_dbt_key);
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r= metadata_db->open(metadata_db, 0, TOKU_METADB_NAME, NULL, DB_BTREE, DB_THREAD|DB_AUTO_COMMIT, 0);
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if (r) {
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goto error;
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