###################################################################### # Test restoring backups with lossy conversions on [var]char|binary types ###################################################################### -- source include/have_ndb.inc # mysqld's configuration is not relevant to this test -- source include/not_embedded.inc --echo ************************************************************ --echo * Creating table with char+binary types --echo ************************************************************ CREATE TABLE t2( c1 char(2), c2 char(128), c3 char(255), b1 binary(2), b2 binary(128), b3 binary(255), vc1 varchar(2), vc2 varchar(255), vc3 varchar(1024), vb1 varbinary(2), vb2 varbinary(255), vb3 varbinary(1024) ) ENGINE=NDB; INSERT INTO t2 VALUES( repeat('a', 2), repeat('b', 128), repeat('c', 255), repeat('d', 2), repeat('e', 128), repeat('f', 255), repeat('g', 2), repeat('h', 255), repeat('i', 1024), repeat('j', 2), repeat('k', 255), repeat('l', 1024) ); --echo ************************************************************ --echo * Backing up table with char+binary types --echo ************************************************************ --source include/ndb_backup.inc # command shortcuts --let $restore_cmd=$NDB_RESTORE --no-defaults -b $the_backup_id --let $restore_cmd=$restore_cmd -r --backup_path=$NDB_BACKUPS-$the_backup_id --echo ************************************************************ --echo * Restoring table with unchanged char+binary types: --echo * char(2) --> char(2) --echo * char(128) --> char(128) --echo * char(255) --> char(255) --echo * binary(2) --> binary(2) --echo * binary(128) --> binary(128) --echo * binary(255) --> binary(255) --echo * varchar(2) --> varchar(2) --echo * varchar(255) --> varchar(255) --echo * varchar(1024) --> varchar(1024) --echo * varbinary(2) --> varbinary(2) --echo * varbinary(255) --> varbinary(255) --echo * varbinary(1024) --> varbinary(1024) --echo ************************************************************ # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; # for debugging: # --exec $NDB_RESTORE --no-defaults -b $the_backup_id -n 1 -L -r --print $NDB_BACKUPS-$the_backup_id >> $NDB_TOOLS_OUTPUT # --exec $NDB_RESTORE --no-defaults -b $the_backup_id -n 2 -L -r --print $NDB_BACKUPS-$the_backup_id >> $NDB_TOOLS_OUTPUT --exec $restore_cmd -n 1 --print -L > /dev/null --exec $restore_cmd -n 2 --print -L > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Restoring table with 1st degree demoted char+binary types: --echo * char(2) --> char(1) --echo * char(128) --> char(2) --echo * char(255) --> char(128) --echo * binary(2) --> binary(1) --echo * binary(128) --> binary(2) --echo * binary(255) --> binary(128) --echo * varchar(2) --> varchar(1) --echo * varchar(255) --> varchar(2) --echo * varchar(1024) --> varchar(512) --echo * varbinary(2) --> varbinary(1) --echo * varbinary(255) --> varbinary(2) --echo * varbinary(1024) --> varbinary(512) --echo ************************************************************ # demote char+binary type attibutes --disable_warnings ALTER TABLE t2 modify c1 char(1), modify c2 char(2), modify c3 char(128), modify b1 binary(1), modify b2 binary(2), modify b3 binary(128), modify vc1 varchar(1), modify vc2 varchar(2), modify vc3 varchar(512), modify vb1 varbinary(1), modify vb2 varbinary(2), modify vb3 varbinary(512); --enable_warnings SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; --exec $restore_cmd -n 1 --print -L > /dev/null --exec $restore_cmd -n 2 --print -L > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Restoring table with 2nd degree demoted char+binary types: --echo * char(2) --> char(1) --echo * char(128) --> char(1) --echo * char(255) --> char(2) --echo * binary(2) --> binary(1) --echo * binary(128) --> binary(1) --echo * binary(255) --> binary(2) --echo * varchar(2) --> varchar(1) --echo * varchar(255) --> varchar(1) --echo * varchar(1024) --> varchar(255) --echo * varbinary(2) --> varbinary(1) --echo * varbinary(255) --> varbinary(1) --echo * varbinary(1024) --> varbinary(255) --echo ************************************************************ # demote char+binary type attibutes --disable_warnings ALTER TABLE t2 modify c1 char(1), modify c2 char(1), modify c3 char(2), modify b1 binary(1), modify b2 binary(1), modify b3 binary(2), modify vc1 varchar(1), modify vc2 varchar(1), modify vc3 varchar(255), modify vb1 varbinary(1), modify vb2 varbinary(1), modify vb3 varbinary(255); --enable_warnings SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; --exec $restore_cmd -n 1 --print -L > /dev/null --exec $restore_cmd -n 2 --print -L > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Restoring table with 3rd degree demoted char+binary types: --echo * char(2) --> char(1) --echo * char(128) --> char(1) --echo * char(255) --> char(1) --echo * binary(2) --> binary(1) --echo * binary(128) --> binary(1) --echo * binary(255) --> binary(1) --echo * varchar(2) --> varchar(1) --echo * varchar(255) --> varchar(1) --echo * varchar(1024) --> varchar(1) --echo * varbinary(2) --> varbinary(1) --echo * varbinary(255) --> varbinary(1) --echo * varbinary(1024) --> varbinary(1) --echo ************************************************************ # demote char+binary type attibutes --disable_warnings ALTER TABLE t2 modify c1 char(1), modify c2 char(1), modify c3 char(1), modify b1 binary(1), modify b2 binary(1), modify b3 binary(1), modify vc1 varchar(1), modify vc2 varchar(1), modify vc3 varchar(1), modify vb1 varbinary(1), modify vb2 varbinary(1), modify vb3 varbinary(1); --enable_warnings SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; --exec $restore_cmd -n 1 --print -L > /dev/null --exec $restore_cmd -n 2 --print -L > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Restoring table with changed var-ness of char+binary types: --echo * char(2) --> varchar(2) --echo * char(128) --> varchar(128) --echo * char(255) --> varchar(255) --echo * binary(2) --> varbinary(2) --echo * binary(128) --> varbinary(128) --echo * binary(255) --> varbinary(255) --echo * varchar(2) --> char(2) --echo * varchar(255) --> char(255) --echo * varchar(1024) --> varchar(1024) --echo * varbinary(2) --> binary(2) --echo * varbinary(255) --> binary(255) --echo * varbinary(1024) --> varbinary(1024) --echo ************************************************************ # demote char+binary type attibutes --disable_warnings DELETE FROM t2; ALTER TABLE t2 modify c1 varchar(2), modify c2 varchar(128), modify c3 varchar(255), modify b1 varbinary(2), modify b2 varbinary(128), modify b3 varbinary(255), modify vc1 char(2), modify vc2 char(255), modify vc3 varchar(1024), modify vb1 binary(2), modify vb2 binary(255), modify vb3 varbinary(1024); INSERT INTO t2 VALUES( repeat('a', 2), repeat('b', 128), repeat('c', 255), repeat('d', 2), repeat('e', 128), repeat('f', 255), repeat('g', 2), repeat('h', 255), repeat('i', 1024), repeat('j', 2), repeat('k', 255), repeat('l', 1024) ); --enable_warnings SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; --exec $restore_cmd -n 1 --print -A > /dev/null --exec $restore_cmd -n 2 --print -A > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Restoring table with changed varness + 1st degree demoted types: --echo * char(2) --> varchar(1) --echo * char(128) --> varchar(2) --echo * char(255) --> varchar(128) --echo * binary(2) --> varbinary(1) --echo * binary(128) --> varbinary(2) --echo * binary(255) --> varbinary(128) --echo * varchar(2) --> char(1) --echo * varchar(255) --> char(2) --echo * varchar(1024) --> char(255) --echo * varbinary(2) --> binary(1) --echo * varbinary(255) --> binary(2) --echo * varbinary(1024) --> binary(255) --echo ************************************************************ # demote char+binary type attibutes --disable_warnings DELETE FROM t2; ALTER TABLE t2 modify c1 varchar(1), modify c2 varchar(2), modify c3 varchar(128), modify b1 varbinary(1), modify b2 varbinary(2), modify b3 varbinary(128), modify vc1 char(1), modify vc2 char(2), modify vc3 char(255), modify vb1 binary(1), modify vb2 binary(2), modify vb3 binary(255); INSERT INTO t2 VALUES( repeat('a', 2), repeat('b', 128), repeat('c', 255), repeat('d', 2), repeat('e', 128), repeat('f', 255), repeat('g', 2), repeat('h', 255), repeat('i', 1024), repeat('j', 2), repeat('k', 255), repeat('l', 1024) ); --enable_warnings SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; --exec $restore_cmd -n 1 --print -L > /dev/null --exec $restore_cmd -n 2 --print -L > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Restoring table with changed varness + 2nd degree demoted types: --echo * char(2) --> varchar(1) --echo * char(128) --> varchar(1) --echo * char(255) --> varchar(2) --echo * binary(2) --> varbinary(1) --echo * binary(128) --> varbinary(1) --echo * binary(255) --> varbinary(2) --echo * varchar(2) --> char(1) --echo * varchar(255) --> char(1) --echo * varchar(1024) --> char(255) --echo * varbinary(2) --> binary(1) --echo * varbinary(255) --> binary(1) --echo * varbinary(1024) --> binary(255) --echo ************************************************************ # demote char+binary type attibutes --disable_warnings DELETE FROM t2; ALTER TABLE t2 modify c1 varchar(1), modify c2 varchar(1), modify c3 varchar(2), modify b1 varbinary(1), modify b2 varbinary(1), modify b3 varbinary(2), modify vc1 char(1), modify vc2 char(1), modify vc3 char(255), modify vb1 binary(1), modify vb2 binary(1), modify vb3 binary(255); INSERT INTO t2 VALUES( repeat('a', 2), repeat('b', 128), repeat('c', 255), repeat('d', 2), repeat('e', 128), repeat('f', 255), repeat('g', 2), repeat('h', 255), repeat('i', 1024), repeat('j', 2), repeat('k', 255), repeat('l', 1024) ); --enable_warnings SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; --exec $restore_cmd -n 1 --print -L > /dev/null --exec $restore_cmd -n 2 --print -L > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Restoring table with changed varness + 3rd degree demoted types: --echo * char(2) --> varchar(1) --echo * char(128) --> varchar(1) --echo * char(255) --> varchar(1) --echo * binary(2) --> varbinary(1) --echo * binary(128) --> varbinary(1) --echo * binary(255) --> varbinary(1) --echo * varchar(2) --> char(1) --echo * varchar(255) --> char(1) --echo * varchar(1024) --> char(1) --echo * varbinary(2) --> binary(1) --echo * varbinary(255) --> binary(1) --echo * varbinary(1024) --> binary(1) --echo ************************************************************ # demote char+binary type attibutes --disable_warnings DELETE FROM t2; ALTER TABLE t2 modify c1 varchar(1), modify c2 varchar(1), modify c3 varchar(1), modify b1 varbinary(1), modify b2 varbinary(1), modify b3 varbinary(1), modify vc1 char(1), modify vc2 char(1), modify vc3 char(1), modify vb1 binary(1), modify vb2 binary(1), modify vb3 binary(1); INSERT INTO t2 VALUES( repeat('a', 2), repeat('b', 128), repeat('c', 255), repeat('d', 2), repeat('e', 128), repeat('f', 255), repeat('g', 2), repeat('h', 255), repeat('i', 1024), repeat('j', 2), repeat('k', 255), repeat('l', 1024) ); --enable_warnings SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # create a MyISAM table from NDB table, against which to compare data CREATE TABLE t2_myisam ENGINE=MYISAM AS SELECT * FROM t2; # restore table DELETE FROM t2; --exec $restore_cmd -n 1 --print -L > /dev/null --exec $restore_cmd -n 2 --print -L > /dev/null SELECT length(c1), length(c2), length(c3), length(b1), length(b2), length(b2), length(vc1), length(vc2), length(vc3), length(vb1), length(vb2), length(vb3) FROM t2; # verify data SELECT COUNT(*) FROM t2 NATURAL JOIN t2_myisam; DROP TABLE t2_myisam; --echo ************************************************************ --echo * Deleting table with char+binary types --echo ************************************************************ DROP TABLE t2;