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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\models\invitation\migrations; |
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use rhosocial\user\migrations\Migration; |
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use rhosocial\user\models\invitation\Invitation; |
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use rhosocial\user\User; |
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/** |
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* Class m170603_122711_CreateInvitationTable |
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* @package rhosocial\user\models\invitation\migrations |
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* @version 1.0 |
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* @author vistart <[email protected]> |
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*/ |
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class m170603_122711_CreateInvitationTable 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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$tableOptions = "CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB COMMENT='User Invitation'"; |
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$this->createTable(Invitation::tableName(), [ |
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'guid' => $this->varbinary(16)->notNull()->comment('GUID'), |
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'user_guid' => $this->varbinary(16)->notNull()->comment('User GUID'), |
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'content' => $this->integer(11)->notNull()->comment('Invitation Type'), |
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'invitee_guid' => $this->varbinary(16)->notNull()->comment('Invitee GUID'), |
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'ip' => $this->varbinary(16)->defaultValue(0)->notNull()->comment('IP Address'), |
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'ip_type' => $this->smallInteger()->defaultValue(4)->notNull()->comment('IP Address Type'), |
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'created_at' => $this->dateTime()->notNull()->defaultValue('1970-01-01 00:00:00')->comment('Created At'), |
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], $tableOptions); |
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} |
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$this->addPrimaryKey('user_invitation_guid_pk', Invitation::tableName(), 'guid'); |
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$this->addForeignKey('user_invitation_fk', Invitation::tableName(), 'user_guid', User::tableName(), 'guid', 'CASCADE', 'CASCADE'); |
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$this->addForeignKey('user_invitee_fk', Invitation::tableName(), 'invitee_guid', User::tableName(), 'guid', 'CASCADE', 'CASCADE'); |
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} |
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public function down() |
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{ |
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$this->dropTable(Invitation::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.