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Bug #17414 ndb schema distribution functionality does not work on mysql servers without binlog

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This commit is contained in:
tomas@poseidon.ndb.mysql.com
2006-02-16 00:30:56 +01:00
parent 544a1a98a5
commit cd8f8449e2
6 changed files with 69 additions and 67 deletions
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2
mysql-test/r/ndb_alter_table_stm.result
View File

@ -8,8 +8,6 @@ a b c
2 two two
alter table t1 drop index c;
select * from t1 where c = 'two';
ERROR HY000: Table definition has changed, please retry transaction
select * from t1 where c = 'two';
a b c
2 two two
drop table t1;

15
mysql-test/r/ndb_multi.result
View File

@ -30,14 +30,6 @@ drop table t1;
create table t1 (a int) engine=ndbcluster;
insert into t1 value (2);
select * from t1;
ERROR HY000: Table definition has changed, please retry transaction
show warnings;
Level Code Message
Error 1296 Got error 241 'Invalid schema object version' from NDB
Error 1412 Table definition has changed, please retry transaction
Error 1105 Unknown error
flush table t1;
select * from t1;
a
2
flush status;
@ -58,15 +50,9 @@ a
select * from t3;
a b c last_col
1 Hi! 89 Longtext column
show status like 'handler_discover%';
Variable_name Value
Handler_discover 1
show tables like 't4';
Tables_in_test (t4)
t4
show status like 'handler_discover%';
Variable_name Value
Handler_discover 2
show tables;
Tables_in_test
t1
@ -74,4 +60,3 @@ t2
t3
t4
drop table t1, t2, t3, t4;
drop table t1, t3, t4;

2
mysql-test/t/ndb_alter_table_stm.test
View File

@ -17,8 +17,6 @@ select * from t1 where c = 'two';
connection server1;
alter table t1 drop index c;
connection server2;
-- error 1412
select * from t1 where c = 'two';
select * from t1 where c = 'two';
connection server1;
drop table t1;

15
mysql-test/t/ndb_multi.test
View File

@ -41,11 +41,12 @@ drop table t1;
create table t1 (a int) engine=ndbcluster;
insert into t1 value (2);
connection server1;
# Currently a retry is required remotely
--error 1412
select * from t1;
show warnings;
flush table t1;
## Currently a retry is required remotely
#--error 1412
#select * from t1;
#show warnings;
#flush table t1;
# Table definition change should be propagated automatically
select * from t1;
# Connect to server2 and use the tables from there
@ -65,13 +66,9 @@ create table t4 (pk int primary key, b int) engine=ndb;
connection server1;
select * from t1;
select * from t3;
show status like 'handler_discover%';
show tables like 't4';
show status like 'handler_discover%';
show tables;
drop table t1, t2, t3, t4;
connection server2;
drop table t1, t3, t4;
# End of 4.1 tests

41
sql/ha_ndbcluster.cc
View File

@ -34,6 +34,7 @@
#include <ndbapi/NdbIndexStat.hpp>
#include "ha_ndbcluster_binlog.h"
#include "ha_ndbcluster_tables.h"
#ifdef ndb_dynamite
#undef assert
@ -4381,6 +4382,12 @@ int ha_ndbcluster::create(const char *name,
const NDBTAB *t= dict->getTable(m_tabname);
String event_name(INJECTOR_EVENT_LEN);
ndb_rep_event_name(&event_name,m_dbname,m_tabname);
int do_event_op= ndb_binlog_running;
if (!schema_share &&
strcmp(share->db, NDB_REP_DB) == 0 &&
strcmp(share->table_name, NDB_SCHEMA_TABLE) == 0)
do_event_op= 1;
/*
Always create an event for the table, as other mysql servers
@ -4389,7 +4396,7 @@ int ha_ndbcluster::create(const char *name,
if (ndbcluster_create_event(ndb, t, event_name.c_ptr(), share) < 0)
{
/* this is only a serious error if the binlog is on */
if (share && ndb_binlog_running)
if (share && do_event_op)
{
push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_ERROR,
ER_GET_ERRMSG, ER(ER_GET_ERRMSG),
@ -4402,14 +4409,14 @@ int ha_ndbcluster::create(const char *name,
sql_print_information("NDB Binlog: CREATE TABLE Event: %s",
event_name.c_ptr());
if (share && ndb_binlog_running &&
if (share && do_event_op &&
ndbcluster_create_event_ops(share, t, event_name.c_ptr()) < 0)
{
sql_print_error("NDB Binlog: FAILED CREATE TABLE event operations."
" Event: %s", name2);
/* a warning has been issued to the client */
}
if (share && !ndb_binlog_running)
if (share && !do_event_op)
share->flags|= NSF_NO_BINLOG;
ndbcluster_log_schema_op(current_thd, share,
current_thd->query, current_thd->query_length,
@ -4692,9 +4699,8 @@ int ha_ndbcluster::rename_table(const char *from, const char *to)
ERR_RETURN(dict->getNdbError());
}
#ifdef HAVE_NDB_BINLOG
NDB_SHARE *share= 0;
if (ndb_binlog_running &&
(share= get_share(from, 0, false)))
NDB_SHARE *share= get_share(from, 0, false);
if (share)
{
int r= rename_share(share, to);
DBUG_ASSERT(r == 0);
@ -4755,7 +4761,7 @@ int ha_ndbcluster::rename_table(const char *from, const char *to)
if (ndb_extra_logging)
sql_print_information("NDB Binlog: RENAME Event: %s",
event_name.c_ptr());
if (share)
if (share && ndb_binlog_running)
{
if (ndbcluster_create_event_ops(share, ndbtab,
event_name.c_ptr()) < 0)
@ -6615,16 +6621,19 @@ static int rename_share(NDB_SHARE *share, const char *new_key)
("db.tablename: %s.%s use_count: %d commit_count: %d",
share->db, share->table_name,
share->use_count, share->commit_count));
DBUG_PRINT("rename_share",
("table->s->db.table_name: %s.%s",
share->table->s->db.str, share->table->s->table_name.str));
if (share->op == 0)
if (share->table)
{
share->table->s->db.str= share->db;
share->table->s->db.length= strlen(share->db);
share->table->s->table_name.str= share->table_name;
share->table->s->table_name.length= strlen(share->table_name);
DBUG_PRINT("rename_share",
("table->s->db.table_name: %s.%s",
share->table->s->db.str, share->table->s->table_name.str));
if (share->op == 0)
{
share->table->s->db.str= share->db;
share->table->s->db.length= strlen(share->db);
share->table->s->table_name.str= share->table_name;
share->table->s->table_name.length= strlen(share->table_name);
}
}
/* else rename will be handled when the ALTER event comes */
share->old_names= old_key;

61
sql/ha_ndbcluster_binlog.cc
View File

@ -240,10 +240,33 @@ void ndbcluster_binlog_init_share(NDB_SHARE *share, TABLE *_table)
{
THD *thd= current_thd;
MEM_ROOT *mem_root= &share->mem_root;
int do_event_op= ndb_binlog_running;
share->op= 0;
share->table= 0;
if (!ndb_binlog_running)
if (!schema_share &&
strcmp(share->db, NDB_REP_DB) == 0 &&
strcmp(share->table_name, NDB_SCHEMA_TABLE) == 0)
do_event_op= 1;
{
int i, no_nodes= g_ndb_cluster_connection->no_db_nodes();
share->subscriber_bitmap= (MY_BITMAP*)
alloc_root(mem_root, no_nodes * sizeof(MY_BITMAP));
for (i= 0; i < no_nodes; i++)
{
bitmap_init(&share->subscriber_bitmap[i],
(Uint32*)alloc_root(mem_root, max_ndb_nodes/8),
max_ndb_nodes, false);
bitmap_clear_all(&share->subscriber_bitmap[i]);
}
bitmap_init(&share->slock_bitmap, share->slock,
sizeof(share->slock)*8, false);
bitmap_clear_all(&share->slock_bitmap);
}
if (!do_event_op)
{
if (_table)
{
@ -318,21 +341,6 @@ void ndbcluster_binlog_init_share(NDB_SHARE *share, TABLE *_table)
share->ndb_value[1]= (NdbValue*)
alloc_root(mem_root, sizeof(NdbValue) * table->s->fields
+1 /*extra for hidden key*/);
{
int i, no_nodes= g_ndb_cluster_connection->no_db_nodes();
share->subscriber_bitmap= (MY_BITMAP*)
alloc_root(mem_root, no_nodes * sizeof(MY_BITMAP));
for (i= 0; i < no_nodes; i++)
{
bitmap_init(&share->subscriber_bitmap[i],
(Uint32*)alloc_root(mem_root, max_ndb_nodes/8),
max_ndb_nodes, false);
bitmap_clear_all(&share->subscriber_bitmap[i]);
}
bitmap_init(&share->slock_bitmap, share->slock,
sizeof(share->slock)*8, false);
bitmap_clear_all(&share->slock_bitmap);
}
if (table->s->primary_key == MAX_KEY)
share->flags|= NSF_HIDDEN_PK;
if (table->s->blob_fields != 0)
@ -1361,6 +1369,7 @@ ndb_binlog_thread_handle_schema_event(THD *thd, Ndb *ndb,
switch (ev_type)
{
case NDBEVENT::TE_UPDATE:
/* fall through */
case NDBEVENT::TE_INSERT:
{
Cluster_replication_schema *schema= (Cluster_replication_schema *)
@ -1378,21 +1387,20 @@ ndb_binlog_thread_handle_schema_event(THD *thd, Ndb *ndb,
{
case SOT_DROP_TABLE:
/* binlog dropping table after any table operations */
post_epoch_log_list->push_back(schema, mem_root);
if (ndb_binlog_running)
post_epoch_log_list->push_back(schema, mem_root);
log_query= 0;
break;
case SOT_RENAME_TABLE:
/* fall through */
case SOT_ALTER_TABLE:
/* fall through */
if (!ndb_binlog_running)
if (ndb_binlog_running)
{
log_query= 1;
break; /* discovery will be handled by binlog */
}
/* fall through */
case SOT_CREATE_TABLE:
/* fall through */
pthread_mutex_lock(&LOCK_open);
if (ndb_create_table_from_engine(thd, schema->db, schema->name))
{
@ -1410,7 +1418,8 @@ ndb_binlog_thread_handle_schema_event(THD *thd, Ndb *ndb,
TRUE, /* print error */
TRUE); /* don't binlog the query */
/* binlog dropping database after any table operations */
post_epoch_log_list->push_back(schema, mem_root);
if (ndb_binlog_running)
post_epoch_log_list->push_back(schema, mem_root);
log_query= 0;
break;
case SOT_CREATE_DB:
@ -1466,7 +1475,7 @@ ndb_binlog_thread_handle_schema_event(THD *thd, Ndb *ndb,
}
}
if (log_query)
if (log_query && ndb_binlog_running)
{
char *thd_db_save= thd->db;
thd->db= schema->db;
@ -1755,6 +1764,7 @@ int ndbcluster_create_binlog_setup(Ndb *ndb, const char *key,
const char *table_name,
my_bool share_may_exist)
{
int do_event_op= ndb_binlog_running;
DBUG_ENTER("ndbcluster_create_binlog_setup");
DBUG_PRINT("enter",("key: %s key_len: %d %s.%s share_may_exist: %d",
key, key_len, db, table_name, share_may_exist));
@ -1795,7 +1805,12 @@ int ndbcluster_create_binlog_setup(Ndb *ndb, const char *key,
"allocating table share for %s failed", key);
}
if (!ndb_binlog_running)
if (!schema_share &&
strcmp(share->db, NDB_REP_DB) == 0 &&
strcmp(share->table_name, NDB_SCHEMA_TABLE) == 0)
do_event_op= 1;
if (!do_event_op)
{
share->flags|= NSF_NO_BINLOG;
pthread_mutex_unlock(&ndbcluster_mutex);