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PT-173 Added --truncate-replicate-table
This feature will truncate the replicate table before starting the checksunm process. The reason for this ticket is to clean old/stale data in the replicate table since --empty-replicate-table will only replace data for existing tables. Description here
This commit is contained in:
Carlos Salguero
87
t/pt-table-checksum/pt-173.t
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87
t/pt-table-checksum/pt-173.t
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@@ -0,0 +1,87 @@
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#!/usr/bin/env perl
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BEGIN {
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die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
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unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
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unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
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};
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use strict;
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use warnings FATAL => 'all';
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use English qw(-no_match_vars);
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use Test::More;
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use PerconaTest;
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use Sandbox;
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use SqlModes;
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require "$trunk/bin/pt-table-checksum";
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my $dp = new DSNParser(opts=>$dsn_opts);
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my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
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my $dbh = $sb->get_dbh_for('master');
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if ( !$dbh ) {
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plan skip_all => 'Cannot connect to sandbox master';
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}
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else {
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plan tests => 4;
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}
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$sb->load_file('master', 't/pt-table-checksum/samples/PT-173.sql');
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# The sandbox servers run with lock_wait_timeout=3 and it's not dynamic
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# so we need to specify --set-vars innodb_lock_wait_timeout=3 else the tool will die.
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# And --max-load "" prevents waiting for status variables.
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my $master_dsn = $sb->dsn_for('master');
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my @args = ($master_dsn, "--resume", "--truncate-replicate-table");
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my $output;
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my $exit_status;
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# Test #1
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$output = output(
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sub { $exit_status = pt_table_checksum::main(@args) },
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stderr => 1,
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);
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isnt(
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$exit_status,
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0,
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"Cannot use --resume with --truncate-replicate-table",
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);
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# Test #2
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@args = ($master_dsn, "--truncate-replicate-table");
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$output = output(
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sub { $exit_status = pt_table_checksum::main(@args) },
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stderr => 1,
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);
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my $row = $dbh->selectrow_arrayref('select count(*) from percona.checksums where `db` = "fake_db"');
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is(
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$row->[0],
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0,
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"--truncate-replicate-table replicate table has been truncated",
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);
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# Test #3
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$sb->load_file('master', 't/pt-table-checksum/samples/PT-173.sql');
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@args = ($master_dsn, "--truncate-replicate-table", "--empty-replicate-table");
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$output = output(
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sub { $exit_status = pt_table_checksum::main(@args) },
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stderr => 1,
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);
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$row = $dbh->selectrow_arrayref('select count(*) from percona.checksums where `db` = "fake_db"');
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is(
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$row->[0],
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0,
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"--truncate-replicate-table has precedence over --empty-replicate-table",
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);
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# #############################################################################
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# Done.
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# #############################################################################
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$sb->wipe_clean($dbh);
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ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
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exit;
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66
t/pt-table-checksum/samples/PT-173.sql
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66
t/pt-table-checksum/samples/PT-173.sql
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@@ -0,0 +1,66 @@
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-- MySQL dump 10.13 Distrib 5.7.18, for Linux (x86_64)
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--
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-- Host: 127.1 Database: percona
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-- ------------------------------------------------------
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-- Server version 5.7.18-log
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/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
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/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
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/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
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/*!40101 SET NAMES utf8 */;
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/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
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/*!40103 SET TIME_ZONE='+00:00' */;
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/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
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/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
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/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
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/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
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--
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-- Table structure for table `checksums`
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--
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DROP DATABASE IF EXISTS percona;
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CREATE DATABASE IF NOT EXISTS percona;
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USE percona;
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DROP TABLE IF EXISTS `checksums`;
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/*!40101 SET @saved_cs_client = @@character_set_client */;
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/*!40101 SET character_set_client = utf8 */;
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CREATE TABLE `checksums` (
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`db` char(64) NOT NULL,
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`tbl` char(64) NOT NULL,
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`chunk` int(11) NOT NULL,
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`chunk_time` float DEFAULT NULL,
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`chunk_index` varchar(200) DEFAULT NULL,
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`lower_boundary` text,
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`upper_boundary` text,
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`this_crc` char(40) NOT NULL,
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`this_cnt` int(11) NOT NULL,
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`master_crc` char(40) DEFAULT NULL,
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`master_cnt` int(11) DEFAULT NULL,
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`ts` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`db`,`tbl`,`chunk`),
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KEY `ts_db_tbl` (`ts`,`db`,`tbl`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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/*!40101 SET character_set_client = @saved_cs_client */;
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--
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-- Dumping data for table `checksums`
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--
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LOCK TABLES `checksums` WRITE;
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/*!40000 ALTER TABLE `checksums` DISABLE KEYS */;
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INSERT INTO `checksums` VALUES ('fake_db','checksums',1,0.000297,NULL,NULL,NULL,'d8b8e420',23,'d8b8e420',23,'2017-07-18 08:25:33'),('fake_db','load_data',1,0.000285,NULL,NULL,NULL,'42981178',1,'42981178',1,'2017-07-18 08:25:33'),('fake_db','sentinel',1,0.000294,NULL,NULL,NULL,'8bbdd2c',1,'8bbdd2c',1,'2017-07-18 08:25:33'),('mysql','columns_priv',1,0.000245,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:32'),('mysql','db',1,0.000238,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:32'),('mysql','engine_cost',1,0.000302,NULL,NULL,NULL,'343e658a',2,'343e658a',2,'2017-07-18 08:25:32'),('mysql','event',1,0.000249,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:32'),('mysql','func',1,0.000251,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:32'),('mysql','help_category',1,0.000289,NULL,NULL,NULL,'55da20fe',40,'55da20fe',40,'2017-07-18 08:25:32'),('mysql','help_keyword',1,0.000625,NULL,NULL,NULL,'7d8bbf2c',682,'7d8bbf2c',682,'2017-07-18 08:25:32'),('mysql','help_relation',1,0.000924,NULL,NULL,NULL,'a656850f',1340,'a656850f',1340,'2017-07-18 08:25:32'),('mysql','help_topic',1,0.008071,NULL,NULL,NULL,'6a9bafa9',637,'6a9bafa9',637,'2017-07-18 08:25:33'),('mysql','ndb_binlog_index',1,0.000896,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','plugin',1,0.001212,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','proc',1,0.000408,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','procs_priv',1,0.000271,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','proxies_priv',1,0.000253,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','servers',1,0.000293,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','server_cost',1,0.00029,NULL,NULL,NULL,'3041ab5b',6,'3041ab5b',6,'2017-07-18 08:25:33'),('mysql','tables_priv',1,0.000211,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','time_zone',1,0.000242,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','time_zone_leap_second',1,0.000329,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','time_zone_name',1,0.00027,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','time_zone_transition',1,0.000247,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','time_zone_transition_type',1,0.000237,NULL,NULL,NULL,'0',0,'0',0,'2017-07-18 08:25:33'),('mysql','user',1,0.000386,NULL,NULL,NULL,'ab6ccd20',2,'ab6ccd20',2,'2017-07-18 08:25:33'),('percona_test','checksums',1,0.000297,NULL,NULL,NULL,'d8b8e420',23,'d8b8e420',23,'2017-07-18 08:25:33'),('percona_test','load_data',1,0.000285,NULL,NULL,NULL,'42981178',1,'42981178',1,'2017-07-18 08:25:33'),('percona_test','sentinel',1,0.000294,NULL,NULL,NULL,'8bbdd2c',1,'8bbdd2c',1,'2017-07-18 08:25:33'),('sakila','actor',1,0.000411,NULL,NULL,NULL,'6816983c',200,'6816983c',200,'2017-07-18 08:25:33'),('sakila','address',1,0.001221,NULL,NULL,NULL,'ad975fe4',603,'ad975fe4',603,'2017-07-18 08:25:33'),('sakila','category',1,0.001169,NULL,NULL,NULL,'9c52e409',16,'9c52e409',16,'2017-07-18 08:25:33'),('sakila','city',1,0.002102,NULL,NULL,NULL,'4d700c4',600,'4d700c4',600,'2017-07-18 08:25:33'),('sakila','country',1,0.000379,NULL,NULL,NULL,'14ed8b59',109,'14ed8b59',109,'2017-07-18 08:25:33'),('sakila','customer',1,0.001379,NULL,NULL,NULL,'87c13eb5',599,'87c13eb5',599,'2017-07-18 08:25:33'),('sakila','film',1,0.012602,NULL,NULL,NULL,'bb27da2e',1000,'bb27da2e',1000,'2017-07-18 08:25:34'),('sakila','film_actor',1,0.01618,NULL,NULL,NULL,'5f42e2be',5462,'5f42e2be',5462,'2017-07-18 08:25:34'),('sakila','film_category',1,0.002104,NULL,NULL,NULL,'1ff3be9a',1000,'1ff3be9a',1000,'2017-07-18 08:25:34'),('sakila','film_text',1,0.005167,NULL,NULL,NULL,'8c094796',1000,'8c094796',1000,'2017-07-18 08:25:34'),('sakila','inventory',1,0.015794,NULL,NULL,NULL,'58102314',4581,'58102314',4581,'2017-07-18 08:25:34'),('sakila','language',1,0.000297,NULL,NULL,NULL,'4a5f0378',6,'4a5f0378',6,'2017-07-18 08:25:35'),('sakila','payment',1,0.024087,NULL,NULL,NULL,'4b712aa1',16049,'4b712aa1',16049,'2017-07-18 08:25:35'),('sakila','rental',1,0.045657,NULL,NULL,NULL,'a4aead4b',16044,'a4aead4b',16044,'2017-07-18 08:25:35'),('sakila','staff',1,0.001195,NULL,NULL,NULL,'5facaa32',2,'5facaa32',2,'2017-07-18 08:25:35'),('sakila','store',1,0.001001,NULL,NULL,NULL,'223743d9',2,'223743d9',2,'2017-07-18 08:25:35'),('sys','sys_config',1,0.000442,NULL,NULL,NULL,'82cc7288',6,'82cc7288',6,'2017-07-18 08:25:35');
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/*!40000 ALTER TABLE `checksums` ENABLE KEYS */;
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UNLOCK TABLES;
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/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
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/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
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/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
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/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
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/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
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/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
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/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
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/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
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-- Dump completed on 2017-07-18 5:27:15
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