strange results from encrypt-and-grep test

-- source include/have_innodb.inc

-- source include/have_example_key_management_plugin.inc

# embedded does not support restart

-- source include/not_embedded.inc

--let $MYSQLD_DATADIR=`select @@datadir`

--let ib1_IBD = $MYSQLD_DATADIR/ibdata1

--let t1_IBD = $MYSQLD_DATADIR/test/t1.ibd

--let t2_IBD = $MYSQLD_DATADIR/test/t2.ibd

--let t3_IBD = $MYSQLD_DATADIR/test/t3.ibd

--let SEARCH_RANGE = 10000000

--let SEARCH_PATTERN=foobar

SHOW VARIABLES LIKE 'innodb_encrypt%';

create table t1 (a varchar(255)) engine=innodb encrypted=yes;

create table t2 (a varchar(255)) engine=innodb;

create table t3 (a varchar(255)) engine=innodb encrypted=no;

insert t1 values (repeat('foobar', 42));

insert t2 values (repeat('foobar', 42));

insert t3 values (repeat('foobar', 42));

--echo # Wait max 10 min for key encryption threads to encrypt all space

--let $wait_timeout= 600

--let $wait_condition=SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0

--source include/wait_condition.inc

--echo # t1 yes on

-- let SEARCH_FILE=$t1_IBD

-- source include/search_pattern_in_file.inc

--echo # t2 ... on

-- let SEARCH_FILE=$t2_IBD

-- source include/search_pattern_in_file.inc

--echo # t3 no  on

-- let SEARCH_FILE=$t3_IBD

-- source include/search_pattern_in_file.inc

--echo # ibdata1

-- let SEARCH_FILE=$ib1_IBD

-- source include/search_pattern_in_file.inc

--echo # Now turn off encryption and wait for threads to decrypt everything

SET GLOBAL innodb_encrypt_tables = off;

--echo # Wait max 10 min for key encryption threads to decrypt all space

--let $wait_timeout= 600

--let $wait_condition=SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0

--source include/wait_condition.inc

--echo # t1 yes off

-- let SEARCH_FILE=$t1_IBD

-- source include/search_pattern_in_file.inc

--echo # t2 ... off

-- let SEARCH_FILE=$t2_IBD

-- source include/search_pattern_in_file.inc

--echo # t3 no  off

-- let SEARCH_FILE=$t3_IBD

-- source include/search_pattern_in_file.inc

--echo # ibdata1

-- let SEARCH_FILE=$ib1_IBD

-- source include/search_pattern_in_file.inc

--echo # Turn on encryption

SET GLOBAL innodb_encrypt_tables = on;

--echo # Wait max 10 min for key encryption threads to encrypt all space

--let $wait_timeout= 600

--let $wait_condition=SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0

--source include/wait_condition.inc

--echo # t1 yes on

-- let SEARCH_FILE=$t1_IBD

-- source include/search_pattern_in_file.inc

--echo # t2 ... on

-- let SEARCH_FILE=$t2_IBD

-- source include/search_pattern_in_file.inc

--echo # t3 no  on

-- let SEARCH_FILE=$t3_IBD

-- source include/search_pattern_in_file.inc

--echo # ibdata1

-- let SEARCH_FILE=$ib1_IBD

-- source include/search_pattern_in_file.inc

drop table t1, t2, t3;