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MDEV-11974: MariaDB 10.2 encryption does not support spatial indexes

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Encryption stores used key_version to
FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION (offset 26)
field. Spatial indexes store RTREE Split Sequence Number
(FIL_RTREE_SPLIT_SEQ_NUM) in the same field. Both values
can't be stored in same field. Thus, current encryption
implementation does not support encrypting spatial indexes.

fil_space_encrypt(): Do not encrypt page if page type is
FIL_PAGE_RTREE (this is required for background
encryption innodb-encrypt-tables=ON).

create_table_info_t::check_table_options() Do not allow creating
table with ENCRYPTED=YES if table contains spatial index.
This commit is contained in:
Jan Lindström
2017-02-07 15:55:01 +02:00
parent 163ac07b93
commit 7b27465e10
5 changed files with 138 additions and 4 deletions
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42
mysql-test/suite/encryption/r/innodb-spatial-index.result Normal file
View File

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CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB
ENCRYPTED=YES;
ERROR HY000: Can't create table `test`.`t1` (errno: 140 "Wrong create options")
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB;
ALTER TABLE t1 ENCRYPTED=YES;
ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 140 "Wrong create options")
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL) ENCRYPTED=YES ENGINE=INNODB;
CREATE SPATIAL INDEX b on t1(coordinate);
ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 140 "Wrong create options")
ALTER TABLE t1 ADD SPATIAL INDEX b(coordinate);
ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 140 "Wrong create options")
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL) ENCRYPTED=DEFAULT ENGINE=INNODB;
CREATE SPATIAL INDEX b on t1(coordinate);
INSERT INTO t1 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
ALTER TABLE t1 DROP INDEX b;
INSERT INTO t1 values(2, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
ALTER TABLE t1 ADD SPATIAL INDEX b(coordinate);
INSERT INTO t1 values(3, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB;
CREATE TABLE t2 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB PAGE_COMPRESSED=YES;
INSERT INTO t1 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
INSERT INTO t2 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
# Success!
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION > 0;
NAME
mysql/innodb_table_stats
mysql/innodb_index_stats
test/t1
test/t2
NULL
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
NAME
DROP TABLE t1, t2;