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<?php |
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/** |
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* _ __ __ _____ _____ ___ ____ _____ |
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* | | / // // ___//_ _// || __||_ _| |
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* | |/ // /(__ ) / / / /| || | | | |
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* |___//_//____/ /_/ /_/ |_||_| |_| |
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* @link https://vistart.me/ |
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* @copyright Copyright (c) 2016 - 2017 vistart |
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* @license https://vistart.me/license/ |
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*/ |
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namespace rhosocial\user\migrations; |
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use rhosocial\user\User; |
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use rhosocial\user\Profile; |
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/** |
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* Create Profile Table. |
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* |
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* This migration is equivalent to: |
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```SQL |
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CREATE TABLE `profile` ( |
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`guid` varbinary(16) NOT NULL COMMENT 'User GUID', |
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`nickname` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 'Nickname', |
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`first_name` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 'First Name', |
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`last_name` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 'Last Name', |
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`gravatar_type` smallint(6) NOT NULL DEFAULT '0', |
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`gravatar` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '', |
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`gender` tinyint(1) NOT NULL DEFAULT '1' COMMENT 'Gender', |
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`timezone` varchar(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL DEFAULT 'UTC', |
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`individual_sign` text COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 'Individual Sign', |
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`created_at` datetime NOT NULL DEFAULT '1970-01-01 00:00:00' COMMENT 'Created At', |
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`updated_at` datetime NOT NULL DEFAULT '1970-01-01 00:00:00' COMMENT 'Updated At', |
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PRIMARY KEY (`guid`), |
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KEY `user_nickname_normal` (`nickname`) USING BTREE, |
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KEY `user_first_name_normal` (`first_name`) USING BTREE, |
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KEY `user_last_name_normal` (`last_name`) USING BTREE, |
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KEY `user_gender_normal` (`gender`) USING BTREE, |
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KEY `user_timezone_normal` (`timezone`) USING BTREE, |
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KEY `user_profile_created_at_normal` (`created_at`) USING BTREE, |
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CONSTRAINT `user_profile_fk` FOREIGN KEY (`guid`) REFERENCES `user` (`guid`) ON DELETE CASCADE ON UPDATE CASCADE |
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Profile'; |
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```SQL |
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* |
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* If you want to go back, please execute `yii migrate/to rhosocial\user\migrations\M170304142349CreateProfileTable`, |
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* instead of droping profile table yourself. |
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* Note: this execution will reverse all the migrations after this migration. |
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* |
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* @version 1.0 |
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* @author vistart <[email protected]> |
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*/ |
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class M170304142349CreateProfileTable extends Migration |
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{ |
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public function up() |
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{ |
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$tableOptions = null; |
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if ($this->db->driverName === 'mysql') { |
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// http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci |
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$tableOptions = "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Profile'"; |
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$this->createTable(Profile::tableName(), [ |
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'guid' => $this->varbinary(16)->notNull()->comment('User GUID'), |
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'nickname' => $this->varchar(255)->notNull()->comment('Nickname'), |
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'first_name' => $this->varchar(255)->notNull()->defaultValue('')->comment('First Name'), |
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'last_name' => $this->varchar(255)->notNull()->defaultValue('')->comment('Last Name'), |
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'gravatar_type' => $this->smallInteger()->notNull()->defaultValue(0)->comment('Gravatar Type'), |
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'gravatar'=> $this->varchar(255)->notNull()->defaultValue('')->comment('Gravatar'), |
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'gender' => $this->tinyInteger(1)->notNull()->defaultValue(1)->comment('Gender'), |
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'timezone' => $this->varchar(255)->charset('utf8')->collate('utf8_unicode_ci')->notNull()->defaultValue('UTC')->comment('Timezone'), |
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'individual_sign' => $this->text()->notNull()->comment('Individual Sign'), |
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'created_at' => $this->dateTime()->notNull()->defaultValue('1970-01-01 00:00:00')->comment('Created At'), |
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'updated_at' => $this->dateTime()->notNull()->defaultValue('1970-01-01 00:00:00')->comment('Updated At'), |
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], $tableOptions); |
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} |
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$this->addPrimaryKey('user_guid_profile_pk', Profile::tableName(), 'guid'); |
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$this->addForeignKey('user_profile_fk', Profile::tableName(), 'guid', User::tableName(), 'guid', 'CASCADE', 'CASCADE'); |
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$this->createIndex('user_nickname_normal', Profile::tableName(), 'nickname'); |
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$this->createIndex('user_first_name_normal', Profile::tableName(), 'first_name'); |
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$this->createIndex('user_last_name_normal', Profile::tableName(), 'last_name'); |
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$this->createIndex('user_gender_normal', Profile::tableName(), 'gender'); |
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$this->createIndex('user_timezone_normal', Profile::tableName(), 'timezone'); |
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$this->createIndex('user_profile_created_at_normal', Profile::tableName(), 'created_at'); |
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} |
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public function down() |
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{ |
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$this->dropTable(Profile::tableName()); |
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} |
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/* |
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// Use safeUp/safeDown to run migration code within a transaction |
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public function safeUp() |
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{ |
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} |
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public function safeDown() |
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{ |
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} |
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*/ |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.