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|
# BUG#42851: Spurious "Statement is not safe to log in statement
# format." warnings
#
# WHY
# ===
#
# This test aims at checking that the fix that removes spurious
# entries in the error log when the statement is filtered out from
# binlog, is working.
#
# HOW
# ===
#
# The test case is split into three assertions when issuing statements
# containing LIMIT and ORDER BY:
#
# i) issue statements in database that is not filtered => check
# that warnings ARE shown;
#
# ii) issue statements in database that is not filtered, but with
# binlog disabled => check that warnings ARE NOT shown;
#
# iii) issue statements in database that is filtered => check that
# warnings ARE NOT shown.
-- source include/have_log_bin.inc
-- source include/have_binlog_format_statement.inc
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted. .*");
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement uses a system function whose value may differ on slave. .*");
call mtr.add_suppression("Unsafe statement binlogged in statement format since BINLOG_FORMAT = STATEMENT. Reason for unsafeness: Statement invokes a trigger or a stored function that inserts into AUTO_INCREMENT column");
-- echo ### NOT filtered database => assertion: warnings ARE shown
-- disable_warnings
DROP TABLE IF EXISTS t1;
-- enable_warnings
CREATE TABLE t1 (a int, b int, primary key (a));
INSERT INTO t1 VALUES (1,2), (2,3);
UPDATE t1 SET b='4' WHERE a=1 LIMIT 1;
UPDATE t1 SET b='5' WHERE a=2 ORDER BY a LIMIT 1;
DROP TABLE t1;
-- echo ### NOT filtered database => assertion: binlog disabled and warnings ARE NOT shown
SET SQL_LOG_BIN= 0;
-- disable_warnings
DROP TABLE IF EXISTS t1;
-- enable_warnings
CREATE TABLE t1 (a int, b int, primary key (a));
INSERT INTO t1 VALUES (1,2), (2,3);
UPDATE t1 SET b='4' WHERE a=1 LIMIT 1;
UPDATE t1 SET b='5' WHERE a=2 ORDER BY a LIMIT 1;
DROP TABLE t1;
SET SQL_LOG_BIN= 1;
-- echo ### FILTERED database => assertion: warnings ARE NOT shown
let $old_db= `SELECT DATABASE()`;
CREATE DATABASE b42851;
USE b42851;
-- disable_warnings
DROP TABLE IF EXISTS t1;
-- enable_warnings
CREATE TABLE t1 (a int, b int, primary key (a));
INSERT INTO t1 VALUES (1,2), (2,3);
UPDATE t1 SET b='4' WHERE a=1 LIMIT 1;
UPDATE t1 SET b='5' WHERE a=2 ORDER BY a LIMIT 1;
DROP TABLE t1;
# clean up
DROP DATABASE b42851;
eval USE $old_db;
--echo #
--echo # Bug#46265: Can not disable warning about unsafe statements for binary logging
--echo #
SET @old_log_warnings = @@log_warnings;
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1 (a VARCHAR(36), b VARCHAR(10));
SET GLOBAL LOG_WARNINGS = 0;
INSERT INTO t1 VALUES(UUID(), 'Bug#46265');
SET GLOBAL LOG_WARNINGS = 1;
INSERT INTO t1 VALUES(UUID(), 'Bug#46265');
DROP TABLE t1;
SET GLOBAL log_warnings = @old_log_warnings;
let $log_error_= `SELECT @@GLOBAL.log_error`;
if(!`select LENGTH('$log_error_')`)
{
# MySQL Server on windows is started with --console and thus
# does not know the location of its .err log, use default location
let $log_error_ = $MYSQLTEST_VARDIR/log/mysqld.1.err;
}
# Assign env variable LOG_ERROR
let LOG_ERROR=$log_error_;
--echo # Count the number of times the "Unsafe" message was printed
--echo # to the error log.
perl;
use strict;
my $log_error= $ENV{'LOG_ERROR'} or die "LOG_ERROR not set";
open(FILE, "$log_error") or die("Unable to open $log_error: $!\n");
my $count = () = grep(/Bug#46265/g,<FILE>);
print "Occurrences: $count\n";
close(FILE);
EOF
# bug#50192: diplaying the unsafe warning comes out to the user warning stack
-- disable_warnings
DROP TABLE IF EXISTS t1, t2;
-- enable_warnings
CREATE TABLE t1 (a int);
CREATE TABLE t2 (a int auto_increment primary key, b int);
CREATE TRIGGER tr_bug50192 AFTER INSERT ON t1 FOR EACH ROW INSERT INTO t2 (b) VALUES (1);
DELIMITER |;
CREATE FUNCTION sf_bug50192() RETURNS INTEGER
BEGIN
INSERT INTO t2(b) VALUES(2);
RETURN 1;
END |
DELIMITER ;|
INSERT INTO t1 VALUES (0);
SHOW WARNINGS;
SELECT sf_bug50192();
SHOW WARNINGS;
# cleanup
DROP FUNCTION sf_bug50192;
DROP TRIGGER tr_bug50192;
DROP TABLE t1, t2;
|
