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SET information_schema_stats_expiry=0;
CREATE LOGFILE GROUP lg_1
ADD UNDOFILE 'undofile.dat'
INITIAL_SIZE 16M
UNDO_BUFFER_SIZE = 1M
ENGINE=NDB;
SELECT id, fq_name FROM ndbinfo.dict_obj_info WHERE type = 21;
id fq_name
logfilegroup_objectid lg_1
SELECT id, fq_name FROM ndbinfo.dict_obj_info WHERE type = 23;
id fq_name
undofile_objectid undofile.dat
ALTER LOGFILE GROUP lg_1
ADD UNDOFILE 'undofile1.dat'
INITIAL_SIZE 16M
ENGINE=NDB;
SELECT FILE_NAME, FILE_TYPE, LOGFILE_GROUP_NAME, ENGINE,
TOTAL_EXTENTS, EXTENT_SIZE, INITIAL_SIZE, MAXIMUM_SIZE, EXTRA
FROM INFORMATION_SCHEMA.FILES
WHERE ENGINE='ndbcluster' AND FILE_TYPE='UNDO LOG';
FILE_NAME ./undofile.dat
FILE_TYPE UNDO LOG
LOGFILE_GROUP_NAME lg_1
ENGINE ndbcluster
TOTAL_EXTENTS 4194304
EXTENT_SIZE 4
INITIAL_SIZE 16777216
MAXIMUM_SIZE 16777216
EXTRA UNDO_BUFFER_SIZE=1048576
FILE_NAME ./undofile1.dat
FILE_TYPE UNDO LOG
LOGFILE_GROUP_NAME lg_1
ENGINE ndbcluster
TOTAL_EXTENTS 4194304
EXTENT_SIZE 4
INITIAL_SIZE 16777216
MAXIMUM_SIZE 16777216
EXTRA UNDO_BUFFER_SIZE=1048576
CREATE TABLESPACE ts_1
ADD DATAFILE 'datafile.dat'
USE LOGFILE GROUP lg_1
INITIAL_SIZE 2M
ENGINE NDB;
Check that the datafiles FILE_ID column in INFORMATION_SCHEMA.FILES
is the same as its object id in NDB(as reported by ndbinfo)
ALTER TABLESPACE ts_1
ADD DATAFILE 'datafile2.dat'
INITIAL_SIZE = 4M;
CREATE TABLE t1 (
a int PRIMARY KEY,
b varchar(255)
) ENGINE = NDB
TABLESPACE ts_1
STORAGE DISK;
INSERT INTO t1 VALUES (1, "We have got Chhetri");
SELECT FILE_NAME, FILE_TYPE, TABLESPACE_NAME,
LOGFILE_GROUP_NAME, ENGINE, FREE_EXTENTS, TOTAL_EXTENTS, EXTENT_SIZE,
INITIAL_SIZE, MAXIMUM_SIZE, ROW_FORMAT
FROM INFORMATION_SCHEMA.FILES
WHERE ENGINE='ndbcluster' AND FILE_TYPE='DATAFILE';
FILE_NAME ./datafile.dat
FILE_TYPE DATAFILE
TABLESPACE_NAME ts_1
LOGFILE_GROUP_NAME lg_1
ENGINE ndbcluster
FREE_EXTENTS 2
TOTAL_EXTENTS 2
EXTENT_SIZE 1048576
INITIAL_SIZE 2097152
MAXIMUM_SIZE 2097152
ROW_FORMAT FIXED
FILE_NAME ./datafile2.dat
FILE_TYPE DATAFILE
TABLESPACE_NAME ts_1
LOGFILE_GROUP_NAME lg_1
ENGINE ndbcluster
FREE_EXTENTS 3
TOTAL_EXTENTS 4
EXTENT_SIZE 1048576
INITIAL_SIZE 4194304
MAXIMUM_SIZE 4194304
ROW_FORMAT FIXED
DROP TABLE t1;
SELECT FILE_NAME, FREE_EXTENTS, TOTAL_EXTENTS
FROM information_schema.files
WHERE ENGINE='ndbcluster' AND FILE_TYPE='DATAFILE';
FILE_NAME ./datafile.dat
FREE_EXTENTS 2
TOTAL_EXTENTS 2
FILE_NAME ./datafile2.dat
FREE_EXTENTS 4
TOTAL_EXTENTS 4
ALTER TABLESPACE ts_1
DROP DATAFILE 'datafile.dat';
ALTER TABLESPACE ts_1
DROP DATAFILE 'datafile2.dat';
DROP TABLESPACE ts_1;
DROP LOGFILE GROUP lg_1
ENGINE=NDB;
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