mariadb/mysql-test/t/ndb_autodiscover.test

-- source include/have_ndb.inc
-- source include/not_embedded.inc

--disable_warnings
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
--enable_warnings

################################################
# Test that a table that does not exist as a 
# frm file on disk can be "discovered" from a 
# connected NDB Cluster
#

flush status;

#
# Test discover + SELECT
#

create table t1(
  id int not null primary key,
  name char(20)
) engine=ndb;

insert into t1 values(1, "Autodiscover");
flush tables;
system rm var/master-data/test/t1.frm ;
select * from t1;
show status like 'handler_discover%';

#
# Test discover + INSERT
#

flush tables;
system rm var/master-data/test/t1.frm ;
insert into t1 values (2, "Auto 2");
show status like 'handler_discover%';
insert into t1 values (3, "Discover 3");
show status like 'handler_discover%';
flush tables;
system rm var/master-data/test/t1.frm ;
select * from t1 order by id;
show status like 'handler_discover%';

#
# Test discover + UPDATE
#

flush tables;
system rm var/master-data/test/t1.frm ;
update t1 set name="Autodiscover" where id = 2;
show status like 'handler_discover%';
select * from t1 order by id;
show status like 'handler_discover%';

#
# Test discover + DELETE
#

flush tables;
system rm var/master-data/test/t1.frm ;
delete from  t1 where id = 3;
select * from t1 order by id;
show status like 'handler_discover%';

drop table t1;



######################################################
# Test that a table that is outdated on disk
# can be "discovered" from a connected NDB Cluster
#

flush status;

create table t2(
  id int not null primary key,
  name char(22)
) engine=ndb;
insert into t2 values (1, "Discoverer");
select * from t2;
show status like 'handler_discover%';
flush tables;

# Modify the frm file on disk
system echo "blaj" >> var/master-data/test/t2.frm ;
select * from t2;

show status like 'handler_discover%';

drop table t2;


##################################################
# Test that a table that already exists in NDB 
# is only discovered if CREATE TABLE IF NOT EXISTS 
# is used
#

flush status;

create table t3(
  id int not null primary key,
  name char(255)
) engine=ndb;
insert into t3 values (1, "Explorer");
select * from t3;
show status like 'handler_discover%';
flush tables;

# Remove the frm file from disk
system rm var/master-data/test/t3.frm ;

--error 1050
create table t3(
  id int not null primary key,
  name char(20), a int, b float, c char(24)
) engine=ndb;

# The table shall not have been discovered since
# IF NOT EXISTS wasn't specified

show status like 'handler_discover%';

# now it should be discovered
create table IF NOT EXISTS t3(
  id int not null primary key,
  id2 int not null,
  name char(20)
) engine=ndb;

# NOTE! the table called t3 have now been updated to 
# use the same frm as in NDB, thus it's not certain that 
# the table schema is the same as was stated in the 
# CREATE TABLE statement above

show status like 'handler_discover%';

SHOW CREATE TABLE t3;

select * from t3;
show status like 'handler_discover%';

drop table t3;

##################################################
# Test that a table that already exists in NDB 
# is discovered when SHOW TABLES
# is used
#

flush status;

create table t7(
  id int not null primary key,
  name char(255)
) engine=ndb;
create table t6(
  id int not null primary key,
  name char(255)
) engine=MyISAM;
insert into t7 values (1, "Explorer");
insert into t6 values (2, "MyISAM table");
select * from t7;
show status like 'handler_discover%';

# Remove the frm file from disk
flush tables;
system rm var/master-data/test/t7.frm ;

show tables from test;
show status like 'handler_discover%';

# Remove the frm file from disk again
flush tables;
system rm var/master-data/test/t7.frm ;

--replace_column 7 # 8 # 9 # 12 # 13 # 15 # 18 #
show table status;
show status like 'handler_discover%';

drop table t6, t7;


#######################################################
# Test that a table that has been dropped from NDB
# but still exists on disk, get a consistent error message
# saying "No such table existed"
#

flush status;

create table t4(
  id int not null primary key,
  name char(27)
) engine=ndb;
insert into t4 values (1, "Automatic");
select * from t4;

# Remove the table from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t4 >> $NDB_TOOLS_OUTPUT ; 

#
# Test that correct error is returned
--error 1146
select * from t4;
--error 1146
select * from t4;

show status like 'handler_discover%';
--error 1051
drop table t4;

create table t4(
  id int not null primary key,
  name char(27)
) engine=ndb;
insert into t4 values (1, "Automatic");
select * from t4;

# Remove the table from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t4 >> $NDB_TOOLS_OUTPUT ; 

--error 1146
select * from t4;

drop table if exists t4;

# Test that dropping a table that does not exists
# on  disk or in NDB gives same result as above
--error 1051
drop table t5;
drop table if exists t5;


#######################################################
# Test that a table that has been dropped from NDB
# but still exists on disk is deleted from disk 
# when SHOW TABLES is called
#

flush status;

create table t4(
  id int not null primary key,
  id2 int,
  name char(27)
) engine=ndb;
insert into t4 values (1, 76, "Automatic2");
select * from t4;
flush tables;

# Remove the table from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t4 >> $NDB_TOOLS_OUTPUT ;

SHOW TABLES;

--error 1146
select * from t4;

#######################################################
# Test SHOW TABLES ability to detect new and delete old
# tables. Test all at once using many tables
#

flush status;

# Create tables
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=myisam;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
create table t5(id int, d char(56)) engine=ndbcluster;
create table t6(id int) engine=ndbcluster;
create table t7(id int) engine=ndbcluster;
create table t8(id int, e char(34)) engine=myisam;
create table t9(id int) engine=myisam;

# Populate tables
insert into t2 values (2, "myisam table 2");
insert into t3 values (3, "ndb table 3");
insert into t5 values (5, "ndb table 5");
insert into t6 values (6);
insert into t8 values (8, "myisam table 8");
insert into t9 values (9);

# Remove t3, t5 from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t3 >> $NDB_TOOLS_OUTPUT ;
system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t5 >> $NDB_TOOLS_OUTPUT ;
# Remove t6, t7 from disk
system rm var/master-data/test/t6.frm > /dev/null ; 
system rm var/master-data/test/t7.frm > /dev/null ; 

SHOW TABLES;

select * from t6;
select * from t7;

show status like 'handler_discover%';

drop table t1, t2, t4, t6, t7, t8, t9;

#######################################################
# Test SHOW TABLES LIKE ability to detect new and delete old
# tables. Test all at once using many tables.
#

flush status;

# Create tables
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=myisam;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;
create table t5(id int, d char(56)) engine=ndbcluster;
create table t6(id int) engine=ndbcluster;
create table t7(id int) engine=ndbcluster;
create table t8(id int, e char(34)) engine=myisam;
create table t9(id int) engine=myisam;

# Populate tables
insert into t2 values (2, "myisam table 2");
insert into t3 values (3, "ndb table 3");
insert into t5 values (5, "ndb table 5");
insert into t6 values (6);
insert into t8 values (8, "myisam table 8");
insert into t9 values (9);

# Remove t3, t5 from NDB
system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t3 > /dev/null  ;
system exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test t5 > /dev/null  ;
# Remove t6, t7 from disk
system rm var/master-data/test/t6.frm > /dev/null ; 
system rm var/master-data/test/t7.frm > /dev/null ; 


SHOW TABLES LIKE 't6';

show status like 'handler_discover%';

# Check that t3 or t5 can't be created
# frm files for these tables is stilll on disk
--error 1050
create table t3(a int);
--error 1050
create table t5(a int);

SHOW TABLES LIKE 't%';

show status like 'handler_discover%';

drop table t1, t2, t4, t6, t7, t8, t9;



######################################################
# Test that several tables can be discovered when 
# one statement access several table at once.
#

flush status;

# Create tables
create table t1(id int) engine=ndbcluster;
create table t2(id int, b char(255)) engine=ndbcluster;
create table t3(id int, c char(255)) engine=ndbcluster;
create table t4(id int) engine=myisam;

# Populate tables
insert into t1 values (1);
insert into t2 values (2, "table 2");
insert into t3 values (3, "ndb table 3");
insert into t4 values (4);

# Remove t1, t2, t3 from disk
system rm var/master-data/test/t1.frm > /dev/null ; 
system rm var/master-data/test/t2.frm > /dev/null ; 
system rm var/master-data/test/t3.frm > /dev/null ; 
flush tables;

# Select from the table which only exists in NDB.
select * from t1, t2, t3, t4;

# 3 table should have been discovered
show status like 'handler_discover%';

drop table t1, t2, t3, t4;


#########################################################
# Test that a table that has been changed in NDB 
# since it's been opened will be refreshed and discovered
# again
#

flush status;

show status like 'handler_discover%';

create table t5(
  id int not null primary key,
  name char(200)
) engine=ndb;
insert into t5 values (1, "Magnus");
select * from t5;

ALTER TABLE t5 ADD COLUMN adress char(255) FIRST;

select * from t5;

insert into t5 values 
 ("Adress for record 2", 2, "Carl-Gustav"), 
 ("Adress for record 3", 3, "Karl-Emil");
update t5 set name="Bertil" where id = 2;
select * from t5 order by id;

show status like 'handler_discover%';

drop table t5;


################################################################
# Test that a table that has been changed with ALTER TABLE
# can be used from the same thread
#

flush status;

show status like 'handler_discover%';

create table t6(
  id int not null primary key,
  name char(20)
) engine=ndb;
insert into t6 values (1, "Magnus");
select * from t6;

ALTER TABLE t6 ADD COLUMN adress char(255) FIRST;

select * from t6;
insert into t6 values 
 ("Adress for record 2", 2, "Carl-Gustav"), 
 ("Adress for record 3", 3, "Karl-Emil");
update t6 set name="Bertil" where id = 2;
select * from t6 order by id;

show status like 'handler_discover%';

drop table t6;

#####################################################
# Test that only tables in the current database shows 
# up in SHOW TABLES
#

show tables;

create table t1 (a int,b longblob) engine=ndb;
show tables;
create database test2;
use test2;
show tables;
--error 1146
select * from t1;
create table t2 (b int,c longblob) engine=ndb;
use test;
select * from t1;
show tables;
drop table t1;
use test2;
drop table t2;
drop database test2;
use test;

#########################################################
# Bug#8035
# mysqld would segfault on second select * before bug was fixed
#
--disable_warnings
drop database if exists test_only_ndb_tables;
--enable_warnings
create database test_only_ndb_tables;
use test_only_ndb_tables;
create table t1 (a int primary key) engine=ndb;
select * from t1;
--exec $NDB_MGM --no-defaults -e "all restart -n" > /dev/null
--exec $NDB_TOOLS_DIR/ndb_waiter --no-defaults --not-started > /dev/null
--error 1015
select * from t1;
--exec $NDB_MGM --no-defaults -e "all start" > /dev/null
--exec $NDB_TOOLS_DIR/ndb_waiter --no-defaults > /dev/null
use test;
drop database test_only_ndb_tables;

######################################################
# Note! This should always be the last step in this 
# file, the table t9 will be used and dropped 
# by ndb_autodiscover2
#

CREATE TABLE t9 (
  a int NOT NULL PRIMARY KEY,
  b int
) engine=ndb;

insert t9 values(1, 2), (2,3), (3, 4), (4, 5);

#Don't drop the table, instead remove the frm file
system rm var/master-data/test/t9.frm ;

# Now leave test case, when ndb_autodiscover2 will  run, this 
# MySQL Server will have been restarted because it has a 
# ndb_autodiscover2-master.opt file.

create table t10 (
  a int not null primary key,
  b blob
) engine=ndb;

insert into t10 values (1, 'kalle');

--exec $NDB_TOOLS_DIR/ndb_drop_table --no-defaults -d test `$NDB_TOOLS_DIR/ndb_show_tables --no-defaults | grep BLOB` >> $NDB_TOOLS_OUTPUT 2>&1 || true