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d20a96f9c1
In MariaDB, we have a confusing problem where: * The transaction_isolation option can be set in a configuration file, but it cannot be set dynamically. * The tx_isolation system variable can be set dynamically, but it cannot be set in a configuration file. Therefore, we have two different names for the same thing in different contexts. This is needlessly confusing, and it complicates the documentation. The same thing applys for transaction_read_only. MySQL 5.7 solved this problem by making them into system variables. https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-20.html This commit takes a similar approach by adding new system variables and marking the original ones as deprecated. This commit also resolves some legacy problems related to SET STATEMENT and transaction_isolation.
90 lines
2.9 KiB
Text
90 lines
2.9 KiB
Text
# BUG#42829: binlogging enabled for all schemas regardless of
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# binlog-db-db / binlog-ignore-db
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#
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# WHAT
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# ====
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#
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# We want to test whether filtered events from binlog will cause
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# raising an error mentioning that statement is unable to be logged or
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# not, when:
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#
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# 1. isolation level READ-COMMITTED; AND
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#
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# 2. using InnoDB engine; AND
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#
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# 3. using SBL (in which case InnoDB will only allow RBL).
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#
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# HOW
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# ===
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#
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# The test is implemented as follows:
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#
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# i) set transaction_isolation to read-committed.
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#
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# ii) create two databases (one filtered other not - using
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# binlog-do-db)
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#
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# iii) Create statements that are to be filtered on filtered db
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#
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# - At this point, before fix, an error would be raised
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#
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# iv) do the same thing for not the filtered database and check
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# that events throw an error:
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#
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# - Error: ER_BINLOG_STMT_MODE_AND_ROW_ENGINE
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#
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-- source include/have_log_bin.inc
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-- source include/have_innodb.inc
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-- source include/have_binlog_format_statement.inc
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RESET MASTER; # clear up binlogs
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SET @old_isolation_level= @@session.transaction_isolation;
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SET @@session.transaction_isolation= 'READ-COMMITTED';
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-- let $engine= InnoDB
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-- let $filtered= b42829_filtered
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-- let $not_filtered= b42829
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-- eval CREATE DATABASE $not_filtered
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-- eval use $not_filtered
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-- eval CREATE TABLE t1 (x int, y int) engine=$engine
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-- eval CREATE TABLE t2 (x int, y int) engine=$engine
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-- eval CREATE DATABASE $filtered
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-- eval use $filtered
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-- eval CREATE TABLE t1 (x int, y int) engine=$engine
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-- eval CREATE TABLE t2 (x int, y int) engine=$engine
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SET @@session.sql_log_bin= 0;
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-- eval INSERT INTO $filtered.t1 VALUES (100,100)
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-- eval INSERT INTO $not_filtered.t1 VALUES (100,100)
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SET @@session.sql_log_bin= 1;
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-- echo ### assertion: the inserts will not raise log error because
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-- echo ### binlog-do-db is filtering used database
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INSERT INTO t2 VALUES (1,2), (1,3), (1,4);
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INSERT INTO t1 SELECT * FROM t2;
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-- echo ### assertion: assert that despite updating a not filtered
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-- echo ### database this wont trigger an error as the
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-- echo ### used database is the filtered one.
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-- eval UPDATE $filtered.t1 ft1, $not_filtered.t1 nft1 SET ft1.x=1, nft1.x=2
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-- eval use $not_filtered
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-- echo ### assertion: the statements *will* raise log error because
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-- echo ### binlog-do-db is not filtering used database
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BEGIN;
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-- error ER_BINLOG_STMT_MODE_AND_ROW_ENGINE
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INSERT INTO t2 VALUES (1,2), (1,3), (1,4);
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-- error ER_BINLOG_STMT_MODE_AND_ROW_ENGINE
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-- eval UPDATE $filtered.t1 ft1, $not_filtered.t1 nft1 SET ft1.x=1, nft1.x=2
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-- error ER_BINLOG_STMT_MODE_AND_ROW_ENGINE
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INSERT INTO t1 SELECT * FROM t2;
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COMMIT;
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-- echo ### assertion: filtered events did not make into the binlog
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source include/show_binlog_events.inc;
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-- eval DROP DATABASE $not_filtered
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-- eval DROP DATABASE $filtered
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SET @@session.transaction_isolation= @old_isolation_level;
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