Commit 22e3b0c6 authored by unknown's avatar unknown
Browse files

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

parent 445e8287

mysql-test/r/ndb_truncate.result

+16 −7
Original line number Diff line number Diff line 
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;

mysql-test/t/ndb_truncate.test

+14 −9
Original line number Diff line number Diff line
@@ -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;



select * from t1 order by a limit 2;



truncate table t1;



select count(*) from t1;



truncate table t2;

insert into t1 values(NULL,1,1),(NULL,2,2);



select count(*) from t2;

select * from t1 order by a;



drop table t2;

drop table t1;



# End of 4.1 tests

sql/ha_ndbcluster.cc

+6 −0
Original line number Diff line number Diff line
@@ -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)

  {

    /*

sql/handler.h

+1 −2
Original line number Diff line number Diff line
@@ -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);