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When MariaDB 10.1.0 introduced table options for encryption and compression, it unnecessarily changed ha_innobase::check_if_supported_inplace_alter() so that ALGORITHM=COPY is forced when these parameters differ. A better solution is to move the check to innobase_need_rebuild(). In that way, the ALGORITHM=INPLACE interface (yes, the syntax is very misleading) can be used for rebuilding the table much more efficiently, with merge sort, with no undo logging, and allowing concurrent DML operations.
101 lines
3.6 KiB
Text
101 lines
3.6 KiB
Text
--source include/have_innodb.inc
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--source include/not_embedded.inc
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--disable_query_log
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let $innodb_compression_algorithm_orig=`SELECT @@innodb_compression_algorithm`;
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let $innodb_file_format_orig = `SELECT @@innodb_file_format`;
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let $innodb_file_per_table_orig = `SELECT @@innodb_file_per_table`;
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--enable_query_log
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SET GLOBAL innodb_file_format = `Barracuda`;
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SET GLOBAL innodb_file_per_table = ON;
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# zlib
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set global innodb_compression_algorithm = 1;
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create table innodb_normal(c1 bigint not null, b char(200)) engine=innodb;
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create table innodb_compact(c1 bigint not null, b char(200)) engine=innodb row_format=compact page_compressed=1;
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create table innodb_dynamic(c1 bigint not null, b char(200)) engine=innodb row_format=dynamic page_compressed=1;
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--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
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--error 1005
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create table innodb_compressed(c1 bigint not null, b char(200)) engine=innodb row_format=compressed page_compressed=1;
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--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
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show warnings;
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show create table innodb_compact;
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show create table innodb_dynamic;
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# MDEV-7133: InnoDB: Assertion failure in thread 140737091569408 in file dict0mem.cc line 74
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# InnoDB: Failing assertion: dict_tf_is_valid(flags)
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--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
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--error 1005
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create table innodb_redundant(c1 bigint not null, b char(200)) engine=innodb row_format=redundant page_compressed=1;
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--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
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show warnings;
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create table innodb_redundant(c1 bigint not null, b char(200)) engine=innodb row_format=redundant;
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show create table innodb_redundant;
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--error ER_ILLEGAL_HA_CREATE_OPTION
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alter table innodb_redundant page_compressed=1;
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show warnings;
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show create table innodb_redundant;
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alter table innodb_redundant row_format=compact page_compressed=1;
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show create table innodb_redundant;
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drop table innodb_redundant;
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delimiter //;
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create procedure innodb_insert_proc (repeat_count int)
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begin
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declare current_num int;
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set current_num = 0;
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while current_num < repeat_count do
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insert into innodb_normal values(current_num, substring(MD5(RAND()), -64));
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set current_num = current_num + 1;
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end while;
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end//
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delimiter ;//
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commit;
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set autocommit=0;
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call innodb_insert_proc(5000);
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commit;
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set autocommit=1;
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insert into innodb_compact select * from innodb_normal;
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insert into innodb_dynamic select * from innodb_normal;
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update innodb_compact set c1 = c1 + 1;
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update innodb_dynamic set c1 = c1 + 1;
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select count(*) from innodb_compact where c1 < 1500000;
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select count(*) from innodb_dynamic where c1 < 1500000;
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--source include/restart_mysqld.inc
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update innodb_compact set c1 = c1 + 1;
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update innodb_dynamic set c1 = c1 + 1;
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select count(*) from innodb_compact where c1 < 1500000;
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select count(*) from innodb_dynamic where c1 < 1500000;
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SET GLOBAL innodb_file_format = `Barracuda`;
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SET GLOBAL innodb_file_per_table = ON;
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# none
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set global innodb_compression_algorithm = 0;
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alter table innodb_compact engine=innodb page_compressed=DEFAULT;
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alter table innodb_dynamic engine=innodb page_compressed=DEFAULT;
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show create table innodb_compact;
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show create table innodb_dynamic;
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update innodb_compact set c1 = c1 + 1;
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update innodb_dynamic set c1 = c1 + 1;
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select count(*) from innodb_compact where c1 < 1500000;
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select count(*) from innodb_dynamic where c1 < 1500000;
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drop procedure innodb_insert_proc;
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drop table innodb_normal;
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drop table innodb_compact;
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drop table innodb_dynamic;
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# reset system
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--disable_query_log
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EVAL SET GLOBAL innodb_compression_algorithm = $innodb_compression_algorithm_orig;
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EVAL SET GLOBAL innodb_file_per_table = $innodb_file_per_table_orig;
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EVAL SET GLOBAL innodb_file_format = $innodb_file_format_orig;
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--enable_query_log
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