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26 lines
948 B
26 lines
948 B
<?php |
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use yii\db\Schema; |
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use yii\db\Migration; |
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class m150722_150100_multiple_tree 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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$tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB'; |
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} |
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$this->createTable('{{%multiple_tree}}', [ |
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'id' => Schema::TYPE_PK, |
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'tree' => Schema::TYPE_INTEGER . ' NULL', |
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'lft' => Schema::TYPE_INTEGER . ' NOT NULL', |
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'rgt' => Schema::TYPE_INTEGER . ' NOT NULL', |
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'depth' => Schema::TYPE_INTEGER . ' NOT NULL', |
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], $tableOptions); |
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$this->createIndex('lft', '{{%multiple_tree}}', ['tree', 'lft', 'rgt']); |
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$this->createIndex('rgt', '{{%multiple_tree}}', ['tree', 'rgt']); |
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} |
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}
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