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Bug #18864 TRUNCATE TABLE doesn't reset AUTO_INCREMENT value on ndb table

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This commit is contained in:
unknown 2006-06-02 07:26:45 +02:00
parent 445e828785
commit 22e3b0c66f
4 changed files with 37 additions and 18 deletions
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23
mysql-test/r/ndb_truncate.result
View file

@ -1,14 +1,23 @@
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (
a bigint unsigned NOT NULL PRIMARY KEY,
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (
a bigint unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
b int unsigned not null,
c int unsigned
) engine=ndbcluster;
select count(*) from t2;
select count(*) from t1;
count(*)
5000
truncate table t2;
select count(*) from t2;
select * from t1 order by a limit 2;
a b c
1 509 2500
2 510 7
truncate table t1;
select count(*) from t1;
count(*)
0
drop table t2;
insert into t1 values(NULL,1,1),(NULL,2,2);
select * from t1 order by a;
a b c
1 1 1
2 2 2
drop table t1;

23
mysql-test/t/ndb_truncate.test
View file

@ -2,12 +2,11 @@
-- source include/not_embedded.inc
--disable_warnings
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t1, t2;
--enable_warnings
CREATE TABLE t2 (
a bigint unsigned NOT NULL PRIMARY KEY,
CREATE TABLE t1 (
a bigint unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
b int unsigned not null,
c int unsigned
) engine=ndbcluster;
@ -20,17 +19,23 @@ let $1=500;
disable_query_log;
while ($1)
{
eval insert into t2 values($1*10, $1+9, 5*$1), ($1*10+1, $1+10, 7),($1*10+2, $1+10, 7*$1), ($1*10+3, $1+10, 10+$1), ($1*10+4, $1+10, 70*$1), ($1*10+5, $1+10, 7), ($1*10+6, $1+10, 9), ($1*10+7, $1+299, 899), ($1*10+8, $1+10, 12), ($1*10+9, $1+10, 14*$1);
eval insert into t1 values(NULL, $1+9, 5*$1), (NULL, $1+10, 7),(NULL, $1+10, 7*$1), (NULL, $1+10, 10+$1), (NULL, $1+10, 70*$1), (NULL, $1+10, 7), (NULL, $1+10, 9), (NULL, $1+299, 899), (NULL, $1+10, 12), (NULL, $1+10, 14*$1);
dec $1;
}
enable_query_log;
select count(*) from t2;
select count(*) from t1;
truncate table t2;
select * from t1 order by a limit 2;
select count(*) from t2;
truncate table t1;
drop table t2;
select count(*) from t1;
insert into t1 values(NULL,1,1),(NULL,2,2);
select * from t1 order by a;
drop table t1;
# End of 4.1 tests

6
sql/ha_ndbcluster.cc
View file

@ -3767,6 +3767,12 @@ int ha_ndbcluster::create(const char *name,
set_dbname(name2);
set_tabname(name2);
if (current_thd->lex->sql_command == SQLCOM_TRUNCATE)
{
DBUG_PRINT("info", ("Dropping and re-creating table for TRUNCATE"));
if ((my_errno= delete_table(name)))
DBUG_RETURN(my_errno);
}
if (create_from_engine)
{
/*

3
sql/handler.h
View file

@ -533,8 +533,7 @@ extern TYPELIB myisam_stats_method_typelib;
#define ha_supports_generate(T) (T != DB_TYPE_INNODB && \
T != DB_TYPE_BERKELEY_DB && \
T != DB_TYPE_ARCHIVE_DB && \
T != DB_TYPE_FEDERATED_DB && \
T != DB_TYPE_NDBCLUSTER)
T != DB_TYPE_FEDERATED_DB)
bool ha_caching_allowed(THD* thd, char* table_key,
uint key_length, uint8 cache_type);