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--echo #
--echo # Bug #20031570 INNODB_CHECKSUM_ALGORITHM VARIABLE LEADS TO CRASHING
--echo #
--source include/have_debug.inc
# Plugin 'InnoDB' has ref_count=1 after shutdown
call mtr.add_suppression("Plugin \'InnoDB\'");
set global innodb_checksum_algorithm=crc32;
# Table is created with crc32 checksum algorithm.
# First few pages have crc32 checksum algorithm
create table t1(f1 int not null primary key)engine=innodb;
SET GLOBAL innodb_buffer_pool_dump_at_shutdown=OFF;
# Restart the server to load the table t1 again.
let SEARCH_FILE = $MYSQLTEST_VARDIR/log/my_restart.err;
--echo # Restart the server with --log-error
--replace_result $SEARCH_FILE SEARCH_FILE
--let $restart_parameters = restart: --log-error=$SEARCH_FILE --no-console
--source include/restart_mysqld.inc
set global innodb_checksum_algorithm=strict_innodb;
set global innodb_limit_optimistic_insert_debug = 2;
select count(*) from t1;
let SEARCH_PATTERN=\\[Warning\\] .*MY-\\d+.* innodb_checksum_algorithm is set to "strict_innodb" but the page \\[page id: space=\d+, page number=\d+\\] contains a valid checksum .*. Accepting the page as valid. Change innodb_checksum_algorithm to .* to silently accept such pages or rewrite all pages so that they contain .* checksum.;
--source include/search_pattern.inc
# Write the records in new pages with innodb checksum format.
insert into t1 values(4),(5),(6);
SET GLOBAL innodb_buffer_pool_dump_at_shutdown=OFF;
# Restart the server to load the table t1 again.
--echo # Restart the server with --log-error
--replace_result $SEARCH_FILE SEARCH_FILE
--source include/restart_mysqld.inc
set global innodb_checksum_algorithm=strict_none;
set global innodb_limit_optimistic_insert_debug = 2;
select count(*) from t1;
# Write the records in new pages with none checksum format.
insert into t1 values(7),(8),(9);
let SEARCH_PATTERN=\\[Warning\\] .*MY-\\d+.* innodb_checksum_algorithm is set to "strict_none" but the page \\[page id: space=\d+, page number=\d+\\] contains a valid checksum .*. Accepting the page as valid. Change innodb_checksum_algorithm to .* to silently accept such pages or rewrite all pages so that they contain .* checksum.;
--source include/search_pattern.inc
SET GLOBAL innodb_buffer_pool_dump_at_shutdown=OFF;
# Restart the server to load the table t1 again.
--echo # Restart the server with --log-error
--replace_result $SEARCH_FILE SEARCH_FILE
--source include/restart_mysqld.inc
set global innodb_checksum_algorithm=strict_crc32;
# Load the table t1 content with crc32, innodb, none checksum pages.
select count(*) from t1;
let SEARCH_PATTERN=\\[Warning\\] .*MY-\\d+.* innodb_checksum_algorithm is set to "strict_crc32" but the page \\[page id: space=\d+, page number=\d+\\] contains a valid checksum .*. Accepting the page as valid. Change innodb_checksum_algorithm to .* to silently accept such pages or rewrite all pages so that they contain .* checksum.;
--source include/search_pattern.inc
drop table t1;
--remove_file $SEARCH_FILE
--let $restart_parameters= restart:
--source include/restart_mysqld.inc
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