-- source include/innodb_checksum_algorithm.inc

--echo #
--echo # MDEV-30825 innodb_compression_algorithm=0 (none) increments Innodb_num_pages_page_compression_error
--echo #

SET @save_compression_algorithm=@@GLOBAL.innodb_compression_algorithm;
SET GLOBAL innodb_compression_algorithm=0;
SELECT VARIABLE_VALUE INTO @compress_errors FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'Innodb_num_pages_page_compression_error';


CREATE TABLE t (c INT) page_compressed=1 page_compression_level=4 ENGINE=InnoDB;
INSERT INTO t VALUES (1);

FLUSH TABLES t FOR EXPORT;
UNLOCK TABLES;

SELECT VARIABLE_VALUE - @compress_errors AS NUMBER_OF_ERRORS FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'Innodb_num_pages_page_compression_error';

DROP TABLE t;
SET GLOBAL innodb_compression_algorithm=@save_compression_algorithm;

--echo #
--echo # End of 10.4 tests
--echo #