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Merge mysql.com:/windows/Linux_space/MySQL/mysql-5.0

Browse Source 
into  mysql.com:/windows/Linux_space/MySQL/mysql-5.1


sql/ha_ndbcluster.h:
  Auto merged
sql/sql_trigger.h:
  Auto merged
mysql-test/r/ndb_trigger.result:
  Using local, will re-generate.
include/my_base.h:
  Merge
mysql-test/t/ndb_trigger.test:
  Merge
sql/ha_ndbcluster.cc:
  Merge
sql/mysql_priv.h:
  Merge
sql/sql_delete.cc:
  Merge
sql/sql_insert.cc:
  Merge
sql/sql_load.cc:
  Merge
sql/sql_update.cc:
  Merge
This commit is contained in:
unknown 2007-04-04 13:21:49 +02:00
commit 655a58d85c
9 changed files with 242 additions and 7 deletions
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10
include/my_base.h
View File

@ -171,7 +171,15 @@ enum ha_extra_function {
Off by default.
*/
HA_EXTRA_WRITE_CAN_REPLACE,
HA_EXTRA_WRITE_CANNOT_REPLACE
HA_EXTRA_WRITE_CANNOT_REPLACE,
/*
Inform handler that delete_row()/update_row() cannot batch deletes/updates
and should perform them immediately. This may be needed when table has
AFTER DELETE/UPDATE triggers which access to subject table.
These flags are reset by the handler::extra(HA_EXTRA_RESET) call.
*/
HA_EXTRA_DELETE_CANNOT_BATCH,
HA_EXTRA_UPDATE_CANNOT_BATCH
};
/* The following is parameter to ha_panic() */

107
mysql-test/t/ndb_trigger.test
View File

@ -110,5 +110,112 @@ drop trigger t4_au;
drop trigger t4_ad;
drop table t1, t2, t3, t4, t5;
# Test for bug#26242
# Verify that AFTER UPDATE/DELETE triggers are executed
# after the change has actually taken place
CREATE TABLE t1 (
id INT NOT NULL PRIMARY KEY,
xy INT
) ENGINE=ndbcluster;
INSERT INTO t1 VALUES (1, 0);
DELIMITER //;
CREATE TRIGGER t1_update AFTER UPDATE ON t1 FOR EACH ROW BEGIN REPLACE INTO t2 SELECT * FROM t1 WHERE t1.id = NEW.id; END //
DELIMITER ;//
CREATE TABLE t2 (
id INT NOT NULL PRIMARY KEY,
xy INT
) ENGINE=ndbcluster;
INSERT INTO t2 VALUES (2, 0);
CREATE TABLE t3 (id INT NOT NULL PRIMARY KEY) ENGINE=ndbcluster;
INSERT INTO t3 VALUES (1);
CREATE TABLE t4 LIKE t1;
DELIMITER //;
CREATE TRIGGER t4_update AFTER UPDATE ON t4 FOR EACH ROW BEGIN REPLACE INTO t5 SELECT * FROM t4 WHERE t4.id = NEW.id; END //
DELIMITER ;//
CREATE TABLE t5 LIKE t2;
UPDATE t1 SET xy = 3 WHERE id = 1;
SELECT xy FROM t1 where id = 1;
SELECT xy FROM t2 where id = 1;
UPDATE t1 SET xy = 4 WHERE id IN (SELECT id FROM t3 WHERE id = 1);
SELECT xy FROM t1 where id = 1;
SELECT xy FROM t2 where id = 1;
INSERT INTO t4 SELECT * FROM t1;
INSERT INTO t5 SELECT * FROM t2;
UPDATE t1,t4 SET t1.xy = 3, t4.xy = 3 WHERE t1.id = 1 AND t4.id = 1;
SELECT xy FROM t1 where id = 1;
SELECT xy FROM t2 where id = 1;
SELECT xy FROM t4 where id = 1;
SELECT xy FROM t5 where id = 1;
UPDATE t1,t4 SET t1.xy = 4, t4.xy = 4 WHERE t1.id IN (SELECT id FROM t3 WHERE id = 1) AND t4.id IN (SELECT id FROM t3 WHERE id = 1);
SELECT xy FROM t1 where id = 1;
SELECT xy FROM t2 where id = 1;
SELECT xy FROM t4 where id = 1;
SELECT xy FROM t5 where id = 1;
INSERT INTO t1 VALUES (1,0) ON DUPLICATE KEY UPDATE xy = 5;
SELECT xy FROM t1 where id = 1;
SELECT xy FROM t2 where id = 1;
DROP TRIGGER t1_update;
DROP TRIGGER t4_update;
DELIMITER //;
CREATE TRIGGER t1_delete AFTER DELETE ON t1 FOR EACH ROW BEGIN REPLACE INTO t2 SELECT * FROM t1 WHERE t1.id > 4; END //
DELIMITER ;//
DELIMITER //;
CREATE TRIGGER t4_delete AFTER DELETE ON t4 FOR EACH ROW BEGIN REPLACE INTO t5 SELECT * FROM t4 WHERE t4.id > 4; END //
DELIMITER ;//
INSERT INTO t1 VALUES (5, 0),(6,0);
INSERT INTO t2 VALUES (5, 1),(6,1);
INSERT INTO t3 VALUES (5);
SELECT * FROM t1 order by id;
SELECT * FROM t2 order by id;
DELETE FROM t1 WHERE id IN (SELECT id FROM t3 WHERE id = 5);
SELECT * FROM t1 order by id;
SELECT * FROM t2 order by id;
INSERT INTO t1 VALUES (5,0);
UPDATE t2 SET xy = 1 WHERE id = 6;
TRUNCATE t4;
INSERT INTO t4 SELECT * FROM t1;
TRUNCATE t5;
INSERT INTO t5 SELECT * FROM t2;
SELECT * FROM t1 order by id;
SELECT * FROM t2 order by id;
SELECT * FROM t4 order by id;
SELECT * FROM t5 order by id;
DELETE FROM t1,t4 USING t1,t3,t4 WHERE t1.id IN (SELECT id FROM t3 WHERE id = 5) AND t4.id IN (SELECT id FROM t3 WHERE id = 5);
SELECT * FROM t1 order by id;
SELECT * FROM t2 order by id;
SELECT * FROM t4 order by id;
SELECT * FROM t5 order by id;
INSERT INTO t1 VALUES (5, 0);
REPLACE INTO t2 VALUES (6,1);
SELECT * FROM t1 order by id;
SELECT * FROM t2 order by id;
REPLACE INTO t1 VALUES (5, 1);
SELECT * FROM t1 order by id;
SELECT * FROM t2 order by id;
DROP TRIGGER t1_delete;
DROP TRIGGER t4_delete;
DROP TABLE t1, t2, t3, t4, t5;
--echo End of 5.1 tests

23
sql/ha_ndbcluster.cc
View File

@ -2992,8 +2992,13 @@ int ha_ndbcluster::update_row(const byte *old_data, byte *new_data)
no_fields++;
op->setValue(no_fields, part_func_value);
}
// Execute update operation
if (!cursor && execute_no_commit(this,trans,FALSE) != 0) {
/*
Execute update operation if we are not doing a scan for update
and there exist UPDATE AFTER triggers
*/
if ((!cursor || m_update_cannot_batch) &&
execute_no_commit(this,trans,false) != 0) {
no_uncommitted_rows_execute_failure();
DBUG_RETURN(ndb_err(trans));
}
@ -3047,7 +3052,7 @@ int ha_ndbcluster::delete_row(const byte *record)
no_uncommitted_rows_update(-1);
if (!m_primary_key_update)
if (!(m_primary_key_update || m_delete_cannot_batch))
// If deleting from cursor, NoCommit will be handled in next_result
DBUG_RETURN(0);
}
@ -3886,7 +3891,13 @@ int ha_ndbcluster::extra(enum ha_extra_function operation)
DBUG_PRINT("info", ("Turning OFF use of write instead of insert"));
m_use_write= FALSE;
break;
default:
case HA_EXTRA_DELETE_CANNOT_BATCH:
DBUG_PRINT("info", ("HA_EXTRA_DELETE_CANNOT_BATCH"));
m_delete_cannot_batch= TRUE;
break;
case HA_EXTRA_UPDATE_CANNOT_BATCH:
DBUG_PRINT("info", ("HA_EXTRA_UPDATE_CANNOT_BATCH"));
m_update_cannot_batch= TRUE;
break;
}
@ -3897,6 +3908,8 @@ int ha_ndbcluster::extra(enum ha_extra_function operation)
int ha_ndbcluster::reset()
{
DBUG_ENTER("ha_ndbcluster::reset");
m_delete_cannot_batch= FALSE;
m_update_cannot_batch= FALSE;
cond_clear();
/*
Regular partition pruning will set the bitmap appropriately.
@ -5826,6 +5839,8 @@ ha_ndbcluster::ha_ndbcluster(handlerton *hton, TABLE_SHARE *table_arg):
m_bulk_insert_rows((ha_rows) 1024),
m_rows_changed((ha_rows) 0),
m_bulk_insert_not_flushed(FALSE),
m_delete_cannot_batch(FALSE),
m_update_cannot_batch(FALSE),
m_ops_pending(0),
m_skip_auto_increment(TRUE),
m_blobs_pending(0),

2
sql/ha_ndbcluster.h
View File

@ -960,6 +960,8 @@ private:
ha_rows m_bulk_insert_rows;
ha_rows m_rows_changed;
bool m_bulk_insert_not_flushed;
bool m_delete_cannot_batch;
bool m_update_cannot_batch;
ha_rows m_ops_pending;
bool m_skip_auto_increment;
bool m_blobs_pending;

2
sql/mysql_priv.h
View File

@ -974,6 +974,8 @@ bool mysql_insert(THD *thd,TABLE_LIST *table,List<Item> &fields,
bool ignore);
int check_that_all_fields_are_given_values(THD *thd, TABLE *entry,
TABLE_LIST *table_list);
void prepare_triggers_for_insert_stmt(THD *thd, TABLE *table,
enum_duplicates duplic);
bool mysql_prepare_delete(THD *thd, TABLE_LIST *table_list, Item **conds);
bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
SQL_LIST *order, ha_rows rows, ulonglong options,

26
sql/sql_delete.cc
View File

@ -216,7 +216,20 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
init_ftfuncs(thd, select_lex, 1);
thd->proc_info="updating";
will_batch= !table->file->start_bulk_delete();
if (table->triggers &&
table->triggers->has_triggers(TRG_EVENT_DELETE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER DELETE triggers that might access to subject table
and therefore might need delete to be done immediately. So we turn-off
the batching.
*/
(void) table->file->extra(HA_EXTRA_DELETE_CANNOT_BATCH);
will_batch= FALSE;
}
else
will_batch= !table->file->start_bulk_delete();
table->mark_columns_needed_for_delete();
@ -552,6 +565,17 @@ multi_delete::initialize_tables(JOIN *join)
transactional_tables= 1;
else
normal_tables= 1;
if (tbl->triggers &&
tbl->triggers->has_triggers(TRG_EVENT_DELETE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER DELETE triggers that might access to subject
table and therefore might need delete to be done immediately.
So we turn-off the batching.
*/
(void) tbl->file->extra(HA_EXTRA_DELETE_CANNOT_BATCH);
}
tbl->prepare_for_position();
tbl->mark_columns_needed_for_delete();
}

45
sql/sql_insert.cc
View File

@ -341,6 +341,51 @@ static int check_update_fields(THD *thd, TABLE_LIST *insert_table_list,
}
Prepare triggers for INSERT-like statement.
SYNOPSIS
prepare_triggers_for_insert_stmt()
thd The current thread
table Table to which insert will happen
duplic Type of duplicate handling for insert which will happen
NOTE
Prepare triggers for INSERT-like statement by marking fields
used by triggers and inform handlers that batching of UPDATE/DELETE
cannot be done if there are BEFORE UPDATE/DELETE triggers.
*/
void prepare_triggers_for_insert_stmt(THD *thd, TABLE *table,
enum_duplicates duplic)
{
if (table->triggers)
{
if (table->triggers->has_triggers(TRG_EVENT_DELETE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER DELETE triggers that might access to
subject table and therefore might need delete to be done
immediately. So we turn-off the batching.
*/
(void) table->file->extra(HA_EXTRA_DELETE_CANNOT_BATCH);
}
if (table->triggers->has_triggers(TRG_EVENT_UPDATE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER UPDATE triggers that might access to subject
table and therefore might need update to be done immediately.
So we turn-off the batching.
*/
(void) table->file->extra(HA_EXTRA_UPDATE_CANNOT_BATCH);
}
mark_fields_used_by_triggers_for_insert_stmt(thd, table, duplic);
}
}
/*
bool mysql_insert(THD *thd,TABLE_LIST *table_list,
List<Item> &fields,
List<List_item> &values_list,

5
sql/sql_trigger.h
View File

@ -110,6 +110,11 @@ public:
const char *old_table,
const char *new_db,
const char *new_table);
bool has_triggers(trg_event_type event_type,
trg_action_time_type action_time)
{
return (bodies[event_type][action_time]);
}
bool has_delete_triggers()
{
return (bodies[TRG_EVENT_DELETE][TRG_ACTION_BEFORE] ||

29
sql/sql_update.cc
View File

@ -447,7 +447,20 @@ int mysql_update(THD *thd,
(thd->variables.sql_mode &
(MODE_STRICT_TRANS_TABLES |
MODE_STRICT_ALL_TABLES)));
will_batch= !table->file->start_bulk_update();
if (table->triggers &&
table->triggers->has_triggers(TRG_EVENT_UPDATE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER UPDATE triggers that might access to subject
table and therefore might need update to be done immediately.
So we turn-off the batching.
*/
(void) table->file->extra(HA_EXTRA_UPDATE_CANNOT_BATCH);
will_batch= FALSE;
}
else
will_batch= !table->file->start_bulk_update();
/*
We can use compare_record() to optimize away updates if
@ -1116,6 +1129,20 @@ int multi_update::prepare(List<Item> &not_used_values,
table->no_keyread=1;
table->used_keys.clear_all();
table->pos_in_table_list= tl;
if (table->triggers)
{
table->triggers->mark_fields_used(thd, TRG_EVENT_UPDATE);
if (table->triggers->has_triggers(TRG_EVENT_UPDATE,
TRG_ACTION_AFTER))
{
/*
The table has AFTER UPDATE triggers that might access to subject
table and therefore might need update to be done immediately.
So we turn-off the batching.
*/
(void) table->file->extra(HA_EXTRA_UPDATE_CANNOT_BATCH);
}
}
}
}