************************************************************
* Creating multiple databases with identical tables
* (have blobs and indexes to cover the hidden tables)
************************************************************
CREATE DATABASE db0;
CREATE DATABASE db1;
CREATE DATABASE db2;
USE db0;
CREATE TABLE t0 (
id              INT             PRIMARY KEY,
cint            INT,
cvarchar        VARCHAR(5),
cblob           BLOB(1000004),
UNIQUE INDEX UNIQUE_t0_0 USING BTREE (cint ASC),
UNIQUE INDEX UNIQUE_t0_2 USING BTREE (cvarchar ASC)
) ENGINE=NDB;
USE db1;
CREATE TABLE t0 (
id              INT             PRIMARY KEY,
cint            INT,
cvarchar        VARCHAR(5),
cblob           BLOB(1000004),
UNIQUE INDEX UNIQUE_t0_0 USING BTREE (cint ASC),
UNIQUE INDEX UNIQUE_t0_2 USING BTREE (cvarchar ASC)
) ENGINE=NDB;
USE db2;
CREATE TABLE t0 (
id              INT             PRIMARY KEY,
cint            INT,
cvarchar        VARCHAR(5),
cblob           BLOB(1000004),
UNIQUE INDEX UNIQUE_t0_0 USING BTREE (cint ASC),
UNIQUE INDEX UNIQUE_t0_2 USING BTREE (cvarchar ASC)
) ENGINE=NDB;
************************************************************
* Inserting data
* (create disjunct sets of rows to merge without conflicts;
*  at this time, ndb_restore does not offer any detection
*  of data conflicts between databases in the backup or in
*  memory; databases are restored in an unspecified order)
* (make blob data long enough to be held in extra table)
************************************************************
USE db0;
INSERT INTO t0 VALUES (0, 0, '00000', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
INSERT INTO t0 VALUES (1, 1, '11111', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
INSERT INTO t0 VALUES (2, 2, '22222', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
USE db1;
INSERT INTO t0 VALUES (3, 3, '33333', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
INSERT INTO t0 VALUES (4, 4, '44444', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
INSERT INTO t0 VALUES (5, 5, '55555', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
USE db2;
INSERT INTO t0 VALUES (6, 6, '66666', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
INSERT INTO t0 VALUES (7, 7, '77777', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
INSERT INTO t0 VALUES (8, 8, '88888', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890');
************************************************************
* Creating in-memory copies of the NDB tables
************************************************************
CREATE TABLE db0.t0_data ENGINE=MYISAM AS SELECT * FROM db0.t0;
CREATE TABLE db1.t0_data ENGINE=MYISAM AS SELECT * FROM db1.t0;
CREATE TABLE db2.t0_data ENGINE=MYISAM AS SELECT * FROM db2.t0;
************************************************************
* Backing up databases
************************************************************
************************************************************
* Restoring databases with no rewrite (sanity check)
************************************************************
CREATE TABLE db0.t0_temp ENGINE=MYISAM AS SELECT * FROM db0.t0_data;
CREATE TABLE db1.t0_temp ENGINE=MYISAM AS SELECT * FROM db1.t0_data;
CREATE TABLE db2.t0_temp ENGINE=MYISAM AS SELECT * FROM db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
3
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Negative testing: check wrong usage of command-line option
* (expected exit code for usage errors: NDBT_WRONGARGS = 2)
************************************************************
************************************************************
* Restoring databases with redundant/self-rewrite options
************************************************************
CREATE TABLE db0.t0_temp ENGINE=MYISAM AS SELECT * FROM db0.t0_data;
CREATE TABLE db1.t0_temp ENGINE=MYISAM AS SELECT * FROM db1.t0_data;
CREATE TABLE db2.t0_temp ENGINE=MYISAM AS SELECT * FROM db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
3
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Restoring databases with overriding rewrite options
************************************************************
CREATE TABLE db0.t0_temp ENGINE=MYISAM AS SELECT * FROM db0.t0_data;
CREATE TABLE db1.t0_temp ENGINE=MYISAM AS SELECT * FROM db1.t0_data;
CREATE TABLE db2.t0_temp ENGINE=MYISAM AS SELECT * FROM db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
3
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Restoring databases with a single rewrite
************************************************************
CREATE TABLE db0.t0_temp LIKE db0.t0_data;
CREATE TABLE db1.t0_temp LIKE db1.t0_data;
CREATE TABLE db2.t0_temp LIKE db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
0
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
6
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
3
INSERT db1.t0_temp SELECT * FROM db0.t0_data;
INSERT db1.t0_temp SELECT * FROM db1.t0_data;
INSERT db2.t0_temp SELECT * FROM db2.t0_data;
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
0
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
6
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
3
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Restoring databases with multiple rewrites
************************************************************
CREATE TABLE db0.t0_temp LIKE db0.t0_data;
CREATE TABLE db1.t0_temp LIKE db1.t0_data;
CREATE TABLE db2.t0_temp LIKE db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
0
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
6
INSERT db1.t0_temp SELECT * FROM db0.t0_data;
INSERT db2.t0_temp SELECT * FROM db1.t0_data;
INSERT db2.t0_temp SELECT * FROM db2.t0_data;
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
0
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
6
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Restoring databases with multiple rewrites into same target
************************************************************
CREATE TABLE db0.t0_temp LIKE db0.t0_data;
CREATE TABLE db1.t0_temp LIKE db1.t0_data;
CREATE TABLE db2.t0_temp LIKE db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
0
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
0
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
9
INSERT db2.t0_temp SELECT * FROM db0.t0_data;
INSERT db2.t0_temp SELECT * FROM db1.t0_data;
INSERT db2.t0_temp SELECT * FROM db2.t0_data;
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
0
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
0
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
9
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Restoring databases with swapping rewrites
************************************************************
CREATE TABLE db0.t0_temp LIKE db0.t0_data;
CREATE TABLE db1.t0_temp LIKE db1.t0_data;
CREATE TABLE db2.t0_temp LIKE db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
3
INSERT db1.t0_temp SELECT * FROM db0.t0_data;
INSERT db0.t0_temp SELECT * FROM db1.t0_data;
INSERT db2.t0_temp SELECT * FROM db2.t0_data;
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
3
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Restoring databases with permutating rewrites
************************************************************
CREATE TABLE db0.t0_temp LIKE db0.t0_data;
CREATE TABLE db1.t0_temp LIKE db1.t0_data;
CREATE TABLE db2.t0_temp LIKE db2.t0_data;
DELETE FROM db0.t0;
DELETE FROM db1.t0;
DELETE FROM db2.t0;
SELECT COUNT(*) FROM db0.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0;
COUNT(*)
3
INSERT db1.t0_temp SELECT * FROM db0.t0_data;
INSERT db2.t0_temp SELECT * FROM db1.t0_data;
INSERT db0.t0_temp SELECT * FROM db2.t0_data;
SELECT COUNT(*) FROM db0.t0 NATURAL JOIN db0.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db1.t0 NATURAL JOIN db1.t0_temp;
COUNT(*)
3
SELECT COUNT(*) FROM db2.t0 NATURAL JOIN db2.t0_temp;
COUNT(*)
3
DROP TABLE db0.t0_temp;
DROP TABLE db1.t0_temp;
DROP TABLE db2.t0_temp;
************************************************************
* Deleting tables and databases
************************************************************
DROP DATABASE db0;
DROP DATABASE db1;
DROP DATABASE db2;