I have one heavy MySQL query with 12 LEFT JOIN and noticed that some of tables have InnoDB engine and some Aria.
I've attached EXPLAIN of this query and pointed engine types at image with corresponding letters I and A.
Does fact of different engines affects on query speed and how seriously? Does changing of engines types helps to optimize query execution?
What else I could do to optimize this query?
Query (if needed)
SELECT user.id, user.first_name, user.last_name, user.birthday, user.email, user.phone, user.address_id,
user.alt_address_id, user.type, user.level_id, user_level.level, user.consecutive_orders, user.orders_count,
user.code_id, user.period, user.preferences, user.is_pick_up, user.pickup_address_id, user.is_active,
user.first_delivery_date, user.change_delivery_date, user.eway_id, user.date_created,
user.rest_referral_discount as `rest_referral_discount`, user.rest_code_discount as `rest_code_discount`,
user.rest_code_box_discount as `rest_code_box_discount`, user.rest_code_mp_discount as `rest_code_mp_discount`,
user.rest_code_tup_discount as `rest_code_tup_discount`, user.nf_pantry_list, user.nf_next_weeks_menu,
user.nf_paused_reminder, user.nf_welcome, user.nf_expected_delivery_time,
user.nf_delivery, address_pickup.address as `pickup_address`, address.address, address.unit,
address.instructions, location.id location_id, location.postcode, location.suburb,
location_state.code state_code, delivery_area.delivery_area_window_id delivery_area_window_id,
delivery_area_by_location.fee delivery_fee_value, delivery_area_window.day delivery_day,
delivery_area_window.day_name_full delivery_day_name_full, delivery_area_window.window delivery_window,
user.delivery_area_id, user.alt_delivery_area_id, if (user.is_pick_up, 0, delivery_area.fee) delivery_fee,
if (user.type = 1 || user.type = 2, 5, 0) ondemand_fee, code.code code_name, code.amount code_amount,
code.value code_value, code.is_permanent is_code_permanent, code.repeat code_repeat, code.times code_times,
code.apply_to code_apply_to, code.valid_from code_valid_from, code.valid_until code_valid_until,
if (code_used.count > 0, 1, 0) is_code_used, if (code_used.count > 0, code_used.count, 0) code_used_count,
if (user.is_pick_up, IFNULL(delivery_area_by_location.topup_available, 0), IFNULL(delivery_area.topup_available, 0)) topup_available,
(SELECT `order`.`id` FROM `order` LEFT JOIN `gift` ON gift.order_id = order.id
WHERE (`order`.`delivery_date` BETWEEN '2021-02-07' and '2021-02-13') and (user.id = order.user_id) and (`gift`.`id` IS NULL)
and (`order`.`status` = 10) ORDER BY `order`.`date_created` DESC LIMIT 1) as `order_id`,
(SELECT `order`.`delivery_date` FROM `order`
LEFT JOIN `gift`
ON gift.order_id = order.id
WHERE (user.id = order.user_id) and (`gift`.`id` IS NULL) and (`order`.`status` = 10) ORDER BY `order`.`date_created` DESC LIMIT 1) as `last_order_delivery_date`
FROM `user`
LEFT JOIN `address`
ON user.address_id = address.id
LEFT JOIN `address_pickup`
ON user.pickup_address_id = address_pickup.id
LEFT JOIN `delivery_area`
ON user.delivery_area_id = delivery_area.id
LEFT JOIN `delivery_area_window`
ON delivery_area_window.id = delivery_area.delivery_area_window_id
LEFT JOIN `user_level`
ON user.level_id = user_level.id
LEFT JOIN `location`
ON address.location_id = location.id
LEFT JOIN `location_state`
ON location.state_id = location_state.id
LEFT JOIN `delivery_area` `delivery_area_by_location` ON delivery_area_by_location.location_id = location.id
LEFT JOIN (SELECT count(*) count, `user_id`, `code_id` FROM `order` WHERE (code_id > 0) and (`order`.`status` = 10) GROUP BY `user_id`, `code_id`) `code_used`
ON ((user.id = code_used.user_id) and (code_used.code_id = user.code_id))
LEFT JOIN `code`
ON user.code_id = code.id WHERE (`user`.`type` = 0) and (`user`.`status` = 10)
GROUP BY `user`.`id` ORDER BY `last_name` LIMIT 15
UPD: CREATE TABLE
CREATE TABLE `address` (
`id` int(11) UNSIGNED NOT NULL,
`location_id` int(11) UNSIGNED NOT NULL,
`address` text NOT NULL,
`unit` char(4) NOT NULL,
`instructions` text NOT NULL,
`regular` tinyint(1) NOT NULL DEFAULT '1',
`topup` tinyint(1) NOT NULL DEFAULT '1',
`date_from` date DEFAULT NULL,
`date_to` date DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `address_pickup` (
`id` tinyint(3) UNSIGNED NOT NULL,
`address` text NOT NULL
) ENGINE=Aria DEFAULT CHARSET=utf8;
CREATE TABLE `code` (
`id` smallint(6) UNSIGNED NOT NULL,
`code` varchar(255) NOT NULL,
`amount` decimal(7,2) NOT NULL,
`value` tinyint(1) NOT NULL DEFAULT '0' COMMENT '0 - number; 1 - percent',
`is_mswa` tinyint(4) DEFAULT '0',
`is_permanent` tinyint(4) DEFAULT '0',
`repeat` tinyint(4) DEFAULT '0',
`apply_to` tinyint(4) DEFAULT '0' COMMENT '0 - both; 1 - box; 2 - mp;',
`times` int(11) NOT NULL DEFAULT '0',
`date_created` datetime NOT NULL,
`date_updated` datetime NOT NULL,
`valid_from` date NOT NULL,
`valid_until` date DEFAULT NULL,
`author` varchar(255) NOT NULL,
`checkout_text` text NOT NULL,
`status` smallint(6) UNSIGNED NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `delivery_area` (
`id` int(10) UNSIGNED NOT NULL,
`location_id` int(11) NOT NULL,
`fee` decimal(7,2) NOT NULL DEFAULT '0.00',
`delivery_area_window_id` tinyint(4) UNSIGNED NOT NULL DEFAULT '1',
`topup_available` tinyint(1) NOT NULL DEFAULT '1'
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `delivery_area_window` (
`id` tinyint(4) UNSIGNED NOT NULL,
`day` tinyint(3) UNSIGNED NOT NULL,
`day_name` varchar(255) NOT NULL,
`day_name_full` varchar(255) NOT NULL,
`window` varchar(255) NOT NULL DEFAULT '',
`pickup` tinyint(4) NOT NULL DEFAULT '0'
) ENGINE=Aria DEFAULT CHARSET=utf8;
CREATE TABLE `gift` (
`id` int(11) UNSIGNED NOT NULL,
`user_id` int(11) UNSIGNED NOT NULL,
`recipient_id` int(11) UNSIGNED NOT NULL,
`type` tinyint(1) NOT NULL COMMENT '0 - card; 1 - box;',
`message` text NOT NULL,
`token` char(24) DEFAULT NULL,
`order_id` int(11) UNSIGNED NOT NULL,
`is_redeemed` tinyint(1) NOT NULL,
`date_exp` date DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `location` (
`id` int(10) UNSIGNED NOT NULL,
`postcode` int(4) UNSIGNED NOT NULL,
`suburb` varchar(45) NOT NULL,
`dc` varchar(45) NOT NULL,
`state_id` tinyint(3) UNSIGNED NOT NULL,
`type_id` tinyint(4) UNSIGNED NOT NULL,
`lat` double DEFAULT NULL,
`lon` double DEFAULT NULL
) ENGINE=Aria DEFAULT CHARSET=utf8;
CREATE TABLE `location_state` (
`id` tinyint(4) UNSIGNED NOT NULL,
`code` char(3) NOT NULL,
`state` varchar(255) NOT NULL
) ENGINE=Aria DEFAULT CHARSET=utf8;
CREATE TABLE `order` (
`id` int(11) UNSIGNED NOT NULL,
`user_id` int(11) UNSIGNED NOT NULL,
`shipping_address_id` int(11) UNSIGNED NOT NULL,
`topup_address_id` int(10) UNSIGNED NOT NULL,
`pickup_address_id` tinyint(3) UNSIGNED DEFAULT NULL,
`preferences` int(11) UNSIGNED NOT NULL,
`referral_discount` decimal(7,2) NOT NULL DEFAULT '0.00',
`code_id` int(11) UNSIGNED NOT NULL,
`code_discount` decimal(7,2) NOT NULL DEFAULT '0.00',
`pickup_discount` decimal(7,2) NOT NULL DEFAULT '0.00',
`admin_discount` decimal(7,2) NOT NULL DEFAULT '0.00',
`level_discount` decimal(7,2) NOT NULL DEFAULT '0.00',
`delivery_fee` decimal(7,2) NOT NULL DEFAULT '0.00',
`topup_delivery_fee` decimal(7,2) NOT NULL,
`ondemand_fee` decimal(7,2) NOT NULL DEFAULT '0.00',
`amount` decimal(7,2) NOT NULL DEFAULT '0.00',
`retry_payment` tinyint(3) UNSIGNED NOT NULL DEFAULT '0' COMMENT '1-wait answer; 2-recharge with sms; 3-recharge without sms',
`retry_payment_sms` int(11) UNSIGNED NOT NULL DEFAULT '0' COMMENT '0 - processed; >0 - sms id',
`retry_payment_email` int(10) UNSIGNED NOT NULL DEFAULT '0',
`eway_errors` text NOT NULL,
`date_created` datetime NOT NULL,
`date_updated` datetime NOT NULL,
`delivery_date` date DEFAULT NULL,
`status` smallint(6) UNSIGNED NOT NULL DEFAULT '10',
`processing_status` smallint(6) UNSIGNED NOT NULL,
`processing_status_edited` tinyint(1) UNSIGNED NOT NULL DEFAULT '0',
`has_topup` tinyint(1) UNSIGNED NOT NULL DEFAULT '0',
`is_topup_only` tinyint(1) UNSIGNED NOT NULL DEFAULT '0'
) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT;
CREATE TABLE `user` (
`id` int(11) UNSIGNED NOT NULL,
`first_name` varchar(255) NOT NULL,
`last_name` varchar(255) NOT NULL,
`birthday` date DEFAULT NULL,
`auth_key` varchar(32) NOT NULL,
`password_hash` varchar(255) NOT NULL,
`password_reset_token` varchar(255) DEFAULT NULL,
`email` varchar(255) NOT NULL,
`phone` varchar(255) DEFAULT NULL,
`custom_ref_code` varchar(255) DEFAULT NULL,
`eway_id` bigint(20) UNSIGNED DEFAULT NULL COMMENT 'eWAY Customer Token ID',
`active_campaign_id` int(11) UNSIGNED DEFAULT NULL COMMENT 'ActiveCampaign subscriber_id',
`level_id` tinyint(4) UNSIGNED NOT NULL DEFAULT '1',
`address_id` int(11) UNSIGNED NOT NULL DEFAULT '0',
`delivery_area_id` int(10) UNSIGNED DEFAULT NULL,
`alt_address_id` int(10) UNSIGNED DEFAULT NULL,
`alt_delivery_area_id` int(10) UNSIGNED DEFAULT NULL,
`code_id` int(11) UNSIGNED NOT NULL DEFAULT '0',
`period` tinyint(4) UNSIGNED NOT NULL DEFAULT '1' COMMENT '1 - Once a Week; 2 - Fortnightly',
`preferences` int(11) UNSIGNED NOT NULL DEFAULT '0',
`is_pick_up` tinyint(1) UNSIGNED NOT NULL DEFAULT '0',
`pickup_address_id` tinyint(3) UNSIGNED DEFAULT NULL,
`is_active` tinyint(4) NOT NULL DEFAULT '1' COMMENT '0 - Inactive; 1 - Active; -1 - Blocked',
`status` smallint(6) NOT NULL DEFAULT '10',
`type` tinyint(4) UNSIGNED NOT NULL COMMENT '0 - Set And Forget; 1 - On Demand; 2 - Trial; 3 - Potential;',
`first_delivery_date` date DEFAULT NULL,
`last_delivery_date` date DEFAULT NULL,
`change_delivery_date` date DEFAULT NULL,
`nf_pantry_list` tinyint(1) NOT NULL DEFAULT '1',
`nf_next_weeks_menu` tinyint(1) NOT NULL DEFAULT '1',
`nf_paused_reminder` tinyint(1) NOT NULL DEFAULT '1',
`nf_expected_delivery_time` tinyint(1) NOT NULL DEFAULT '1',
`nf_delivery` tinyint(1) NOT NULL DEFAULT '1',
`nf_welcome` tinyint(1) NOT NULL DEFAULT '1',
`date_created` datetime NOT NULL,
`date_updated` datetime NOT NULL,
`consecutive_orders` smallint(5) UNSIGNED DEFAULT NULL,
`orders_count` smallint(5) UNSIGNED NOT NULL DEFAULT '0',
`rest_referral_discount` decimal(7,2) UNSIGNED NOT NULL,
`rest_code_discount` decimal(7,2) UNSIGNED NOT NULL,
`rest_code_box_discount` decimal(7,2) UNSIGNED NOT NULL,
`rest_code_mp_discount` decimal(7,2) UNSIGNED NOT NULL,
`rest_code_tup_discount` decimal(7,2) UNSIGNED NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `user_level` (
`id` int(11) NOT NULL,
`level` varchar(255) NOT NULL,
`icon` varchar(255) NOT NULL,
`description` text NOT NULL,
`from` int(11) NOT NULL DEFAULT '0',
`to` int(11) NOT NULL DEFAULT '0',
`discount` int(11) NOT NULL DEFAULT '0'
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
And indexes
--
-- Indexes table `address`
--
ALTER TABLE `address`
ADD PRIMARY KEY (`id`),
ADD KEY `location_id` (`location_id`),
ADD KEY `regular` (`regular`),
ADD KEY `topup` (`topup`),
ADD KEY `date_to` (`date_to`),
ADD KEY `date_from` (`date_from`);
--
-- Indexes table `address_pickup`
--
ALTER TABLE `address_pickup`
ADD PRIMARY KEY (`id`);
--
-- Indexes table `code`
--
ALTER TABLE `code`
ADD PRIMARY KEY (`id`),
ADD KEY `status` (`status`),
ADD KEY `valid_from` (`valid_from`),
ADD KEY `valid_until` (`valid_until`),
ADD KEY `date_created` (`date_created`),
ADD KEY `code` (`code`) USING BTREE,
ADD KEY `is_mswa` (`is_mswa`);
--
-- Indexes table `delivery_area`
--
ALTER TABLE `delivery_area`
ADD PRIMARY KEY (`id`),
ADD KEY `day` (`delivery_area_window_id`),
ADD KEY `location_id` (`location_id`) USING BTREE,
ADD KEY `friday_topup_available` (`topup_available`);
--
-- Indexes table `delivery_area_window`
--
ALTER TABLE `delivery_area_window`
ADD PRIMARY KEY (`id`),
ADD KEY `day` (`day`),
ADD KEY `pickup_only` (`pickup`);
--
-- Indexes table `gift`
--
ALTER TABLE `gift`
ADD PRIMARY KEY (`id`),
ADD UNIQUE KEY `token` (`token`),
ADD KEY `user_id` (`user_id`),
ADD KEY `recipient_id` (`recipient_id`),
ADD KEY `order_id` (`order_id`),
ADD KEY `is_redeemed` (`is_redeemed`);
--
-- Indexes table `location`
--
ALTER TABLE `location`
ADD PRIMARY KEY (`id`),
ADD KEY `idx_lon` (`lon`),
ADD KEY `idx_lat` (`lat`),
ADD KEY `type_id` (`type_id`),
ADD KEY `state_id` (`state_id`),
ADD KEY `postcode` (`postcode`),
ADD KEY `suburb_2` (`suburb`),
ADD KEY `postcode_suburb` (`postcode`,`suburb`) USING BTREE;
ALTER TABLE `location` ADD FULLTEXT KEY `suburb` (`suburb`);
--
-- Indexes table `location_state`
--
ALTER TABLE `location_state`
ADD PRIMARY KEY (`id`);
--
-- Indexes table `order`
--
ALTER TABLE `order`
ADD PRIMARY KEY (`id`),
ADD KEY `client_id` (`user_id`),
ADD KEY `status` (`status`),
ADD KEY `shipping_address_id` (`shipping_address_id`),
ADD KEY `preferences` (`preferences`),
ADD KEY `processing_status` (`processing_status`),
ADD KEY `date_created` (`date_created`),
ADD KEY `delivery_date` (`delivery_date`),
ADD KEY `pickup_address_id` (`pickup_address_id`),
ADD KEY `processing_status_edited` (`processing_status_edited`),
ADD KEY `retry_payment_sms` (`retry_payment_sms`),
ADD KEY `retry_payment` (`retry_payment`),
ADD KEY `retry_payment_email` (`retry_payment_email`),
ADD KEY `has_topup` (`has_topup`),
ADD KEY `is_topup_only` (`is_topup_only`),
ADD KEY `friday_address_id` (`topup_address_id`),
ADD KEY `code_id` (`code_id`),
ADD KEY `user_id` (`user_id`);
--
-- Indexes table `user`
--
ALTER TABLE `user`
ADD PRIMARY KEY (`id`),
ADD UNIQUE KEY `password_reset_token` (`password_reset_token`),
ADD KEY `level_id` (`level_id`),
ADD KEY `eway_id` (`eway_id`),
ADD KEY `password_hash` (`password_hash`),
ADD KEY `auth_key` (`auth_key`),
ADD KEY `email` (`email`),
ADD KEY `period` (`period`),
ADD KEY `preferences` (`preferences`),
ADD KEY `is_pick_up` (`is_pick_up`),
ADD KEY `is_active` (`is_active`),
ADD KEY `date_created` (`date_created`),
ADD KEY `phone` (`phone`) USING BTREE,
ADD KEY `active_campaign_id` (`active_campaign_id`),
ADD KEY `custom_ref_code` (`custom_ref_code`),
ADD KEY `consecutive_orders` (`consecutive_orders`),
ADD KEY `pickup_address_id` (`pickup_address_id`),
ADD KEY `rest_referral_discount` (`rest_referral_discount`),
ADD KEY `rest_code_discount` (`rest_code_discount`),
ADD KEY `rest_code_box_discount` (`rest_code_box_discount`),
ADD KEY `rest_code_mp_discount` (`rest_code_mp_discount`),
ADD KEY `delivery_area_id` (`delivery_area_id`),
ADD KEY `rest_code_tup_discount` (`rest_code_tup_discount`),
ADD KEY `orders_count` (`orders_count`),
ADD KEY `alt_delivery_address_id` (`alt_address_id`),
ADD KEY `alt_delivery_area_id` (`alt_delivery_area_id`),
ADD KEY `address_id` (`address_id`),
ADD KEY `code_id` (`code_id`),
ADD KEY `status` (`status`),
ADD KEY `type` (`type`),
ADD KEY `last_name` (`last_name`);
--
-- Indexes table `user_level`
--
ALTER TABLE `user_level`
ADD PRIMARY KEY (`id`);
--
-- AUTO_INCREMENT
--
ALTER TABLE `address`
MODIFY `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `address_pickup`
MODIFY `id` tinyint(3) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `code`
MODIFY `id` smallint(6) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `delivery_area`
MODIFY `id` int(10) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `delivery_area_window`
MODIFY `id` tinyint(4) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `gift`
MODIFY `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `location`
MODIFY `id` int(10) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `location_state`
MODIFY `id` tinyint(4) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `order`
MODIFY `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `user`
MODIFY `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT;
ALTER TABLE `user_level`
MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;
COMMIT;
For table order:
INDEX(status, code_id, order_id)
INDEX(status, order_id, code_id)
(I can't tell which would be better; the Optimizer can decide.)
Don't use LEFT JOIN when the 'right' table is not optional. It makes it tedious for a human (and the Optimizer) to figure the intent.
User needs
INDEX(type, status, code_id, code, id, last_name)
It is almost always beneficial to DROP INDEX(a) when you ADD INDEX(a,b). I bring that up because you probably have some one-column indexes.
If you need further help, please provide SHOW CREATE TABLE. I suspect that the query could be turned inside-out to great benefit. This involves finding the 15 ids first; then after that do all the JOINs.
That might have this as the first "derived" table since it generates only 15 rows, not the 9976 estimated in the Explain:
FROM ( SELECT id, `code`, code_id, last_name
FROM user
WHERE `type` = 0
AND `status` = 10
GROUP BY `id`
ORDER BY `last_name`
LIMIT 15
) AS u
JOIN ...
I've done away with the (14) and (11) but when trying to install tufat's Flashchat, I keep getting this error:
Could not create DB table 'smf_fc_bans'You have an error in your SQL
syntax; check the manual that corresponds to your MySQL server version
for the right syntax to use near '(14) NOT NULL, userid int(11)
default NULL, banneduserid int(11) default NULL, r' at line 1
Granted I'm still such a novice. If someone could help me I would be so very very grateful.
Table structure for table bans:
CREATE TABLE `bans` (
`id` int NOT NULL auto_increment,
`created` timestamp NOT NULL,
`userid` int default NULL,
`banneduserid` int default NULL,
`roomid` int default NULL,
`ip` varchar default NULL,
KEY `id` (`id`),
KEY `userid` (`userid`),
KEY `created` (`created`)
) ENGINE=MyISAM;
Table structure for table connections:
CREATE TABLE `connections` (
`id` varchar(32) NOT NULL default '',
`updated` timestamp NOT NULL,
`created` timestamp NOT NULL,
`userid` int default NULL,
`roomid` int default NULL,
`state` tinyint(4) NOT NULL default '1',
`color` int default NULL,
`start` int default NULL,
`lang` char(2) default NULL,
`ip` varchar(16) default NULL,
`tzoffset` int default '0',
`chatid` int NOT NULL default '1',
PRIMARY KEY (`id`),
KEY `userid` (`userid`),
KEY `roomid` (`roomid`),
KEY `updated` (`updated`)
) ENGINE=MyISAM;
Table structure for table ignors:
CREATE TABLE `ignors` (
`created` timestamp NOT NULL,
`userid` int default NULL,
`ignoreduserid` int default NULL,
KEY `userid` (`userid`),
KEY `ignoreduserid` (`ignoreduserid`),
KEY `created` (`created`)
) ENGINE=MyISAM;
Table structure for table messages:
CREATE TABLE `messages` (
`id` int(11) NOT NULL auto_increment,
`created` timestamp NOT NULL,
`toconnid` varchar(32) default NULL,
`touserid` int(11) default NULL,
`toroomid` int(11) default NULL,
`command` varchar(255) NOT NULL default '',
`userid` int default NULL,
`roomid` int(11) default NULL,
`txt` text,
PRIMARY KEY (`id`),
KEY `touserid` (`touserid`),
KEY `toroomid` (`toroomid`),
KEY `toconnid` (`toconnid`),
KEY `created` (`created`)
) ENGINE=MyISAM AUTO_INCREMENT=14 ;
Table structure for table rooms:
CREATE TABLE `rooms` (
`id` int NOT NULL auto_increment,
`updated` timestamp NOT NULL,
`created` timestamp NOT NULL,
`name` varchar(64) NOT NULL default '',
`password` varchar(32) NOT NULL default '',
`ispublic` char(1) default NULL,
`ispermanent` int(11) default NULL,
PRIMARY KEY (`id`),
KEY `name` (`name`),
KEY `ispublic` (`ispublic`),
KEY `ispermanent` (`ispermanent`),
KEY `updated` (`updated`)
) WNGINW=MyISAM AUTO_INCREMENT=5 ;
Table structure for table users:
CREATE TABLE `users` (
`id` int NOT NULL auto_increment,
`login` varchar(32) NOT NULL default '',
`password` varchar(32) NOT NULL default '',
`roles` int NOT NULL default '0',
`profile` text,
PRIMARY KEY (`id`),
KEY `login` (`login`)
) ENGINE=MyISAM AUTO_INCREMENT=2 ;`
The varchar datatype requires a parameter like varchar(50)
CREATE TABLE `bans` (
`id` int NOT NULL auto_increment,
`created` timestamp NOT NULL,
`userid` int default NULL,
`banneduserid` int default NULL,
`roomid` int default NULL,
`ip` varchar( requires a number ) default NULL, <-- HERE
KEY `id` (`id`),
KEY `userid` (`userid`),
KEY `created` (`created`)
) ENGINE=MyISAM;
You also have an error in
CREATE TABLE `rooms` (
`id` int NOT NULL auto_increment,
`updated` timestamp NOT NULL,
`created` timestamp NOT NULL,
`name` varchar(64) NOT NULL default '',
`password` varchar(32) NOT NULL default '',
`ispublic` char(1) default NULL,
`ispermanent` int(11) default NULL,
PRIMARY KEY (`id`),
KEY `name` (`name`),
KEY `ispublic` (`ispublic`),
KEY `ispermanent` (`ispermanent`),
KEY `updated` (`updated`)
) WNGINW=MyISAM AUTO_INCREMENT=5 ;
WNGINW=MyISAM AUTO_INCREMENT=5 ;
Should be
ENGINE=MyISAM AUTO_INCREMENT=5 ;
I have an iOS app that currently uses MySQL as the database backend to store about 2000 records and 10,000 photos. I want to refactor my Objective-C to use Parse instead of the current MySQL and I'm wondering what would be the best way to move my MySQL data to Parse?
Here is the current MySQL structure of my database.
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
--
-- Database: `mysqlToParsePlatform`
--
-- --------------------------------------------------------
--
-- Table structure for table `awesome_authentication`
--
CREATE TABLE `awesome_authentication` (
`authentication_id` int(11) NOT NULL auto_increment,
`username` varchar(100) NOT NULL,
`password` varchar(100) NOT NULL,
`name` varchar(100) NOT NULL,
`role_id` int(11) NOT NULL,
`is_deleted` int(11) NOT NULL,
`deny_access` int(11) NOT NULL,
PRIMARY KEY (`authentication_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=6 ;
-- --------------------------------------------------------
--
-- Table structure for table `awesome_categories`
--
CREATE TABLE `awesome_categories` (
`category_id` int(11) NOT NULL auto_increment,
`category` varchar(100) NOT NULL,
`category_icon` varchar(100) NOT NULL,
`created_at` int(11) NOT NULL,
`updated_at` int(11) NOT NULL,
`is_deleted` int(11) NOT NULL,
PRIMARY KEY (`category_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=4 ;
-- --------------------------------------------------------
--
-- Table structure for table `awesome_news`
--
CREATE TABLE `awesome_news` (
`news_id` int(11) NOT NULL auto_increment,
`news_content` text NOT NULL,
`news_title` varchar(100) NOT NULL,
`news_url` varchar(100) NOT NULL,
`photo_url` varchar(200) NOT NULL,
`created_at` int(11) NOT NULL,
`updated_at` int(11) NOT NULL,
`is_deleted` int(11) NOT NULL,
PRIMARY KEY (`news_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=3 ;
-- --------------------------------------------------------
--
-- Table structure for table `awesome_photos`
--
CREATE TABLE `awesome_photos` (
`photo_id` int(11) NOT NULL auto_increment,
`photo_url` varchar(200) NOT NULL,
`thumb_url` varchar(200) NOT NULL,
`store_id` int(11) NOT NULL,
`created_at` int(11) NOT NULL,
`updated_at` int(11) NOT NULL,
`is_deleted` int(11) NOT NULL,
PRIMARY KEY (`photo_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=10167 ;
-- --------------------------------------------------------
--
-- Table structure for table `awesome_ratings`
--
CREATE TABLE `awesome_ratings` (
`rating_id` int(11) NOT NULL auto_increment,
`rating` int(11) NOT NULL,
`user_id` int(11) NOT NULL,
`created_at` int(11) NOT NULL,
`updated_at` int(11) NOT NULL,
`store_id` int(11) NOT NULL,
PRIMARY KEY (`rating_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=32 ;
-- --------------------------------------------------------
--
-- Table structure for table `awesome_reviews`
--
CREATE TABLE `awesome_reviews` (
`review_id` int(11) NOT NULL auto_increment,
`review` text NOT NULL,
`store_id` int(11) NOT NULL,
`user_id` int(11) NOT NULL,
`created_at` int(11) NOT NULL,
`updated_at` int(11) NOT NULL,
`is_deleted` int(11) NOT NULL,
PRIMARY KEY (`review_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=5 ;
-- --------------------------------------------------------
--
-- Table structure for table `awesome_stores`
--
CREATE TABLE `awesome_stores` (
`store_id` int(11) NOT NULL auto_increment,
`store_name` varchar(100) NOT NULL,
`store_address` varchar(160) NOT NULL,
`store_desc` text NOT NULL,
`lat` varchar(20) NOT NULL,
`lon` varchar(20) NOT NULL,
`sms_no` varchar(30) NOT NULL,
`phone_no` varchar(30) NOT NULL,
`email` varchar(30) NOT NULL,
`website` varchar(100) NOT NULL,
`category_id` int(11) NOT NULL,
`created_at` int(11) NOT NULL,
`updated_at` int(11) NOT NULL,
`featured` int(11) NOT NULL,
`is_deleted` int(11) NOT NULL,
PRIMARY KEY (`store_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=2027 ;
-- --------------------------------------------------------
--
-- Table structure for table `awesome_users`
--
CREATE TABLE `awesome_users` (
`user_id` int(11) NOT NULL auto_increment,
`full_name` varchar(100) NOT NULL,
`username` varchar(40) NOT NULL,
`password` varchar(40) NOT NULL,
`login_hash` varchar(200) NOT NULL,
`facebook_id` text NOT NULL,
`twitter_id` text NOT NULL,
`email` varchar(100) NOT NULL,
`deny_access` int(11) NOT NULL,
`thumb_url` varchar(100) NOT NULL,
`photo_url` varchar(100) NOT NULL,
PRIMARY KEY (`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=19 ;
After spending a lot of time looking for answers, trying to research migration services and looking into writting custom scripts, I decided to try the easiest route first. And that worked!
Hopefully this will help others looking to move similar records from MySQL to Parse.
In order to get my 2,000+ stores records and 10,000+ photos out of the MySQL database, I went to phpMyAdmin and exported the awesome_stores and awesome_photos tables to two separate CSV files using the setting pictured below.
Once you have your CSV files, open your Parse Data Browser and go to the Core tab and look under the Data section pictured below and click on Import.
That will bring up the import dialog box. That looks like this. Name your new Custom Class and then add your .CSV. Make sure that phpMyAdmin does not add an extra line to head of your .csv. If it does, you will get an error when trying to do the import to Parse.