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@ -310,6 +310,35 @@ class Migration extends \yii\base\Component |
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} |
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} |
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/** |
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/** |
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* Builds and executes a SQL statement for creating a primary key. |
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* The method will properly quote the table and column names. |
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* @param string $name the name of the primary key constraint. |
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* @param string $table the table that the primary key constraint will be added to. |
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* @param string|array $columns comma separated string or array of columns that the primary key will consist of. |
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*/ |
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public function addPrimaryKey($name, $table, $columns) |
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{ |
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echo " > add primary key $name on $table (".(is_array($columns) ? implode(',',$columns) : $columns).") ..."; |
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$time = microtime(true); |
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$this->db->createCommand()->addPrimaryKey($name, $table, $columns)->execute(); |
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echo " done (time: " . sprintf('%.3f', microtime(true) - $time) . "s)\n"; |
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} |
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/** |
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* Builds and executes a SQL statement for dropping a primary key. |
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* @param string $name the name of the primary key constraint to be removed. |
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* @param string $table the table that the primary key constraint will be removed from. |
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* @return Command the command object itself |
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*/ |
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public function dropPrimaryKey($name, $table) |
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{ |
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echo " > drop primary key $name ..."; |
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$time = microtime(true); |
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$this->db->createCommand()->dropPrimaryKey($name, $table)->execute(); |
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echo " done (time: " . sprintf('%.3f', microtime(true) - $time) . "s)\n"; |
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} |
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/** |
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* Builds a SQL statement for adding a foreign key constraint to an existing table. |
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* Builds a SQL statement for adding a foreign key constraint to an existing table. |
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* The method will properly quote the table and column names. |
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* The method will properly quote the table and column names. |
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* @param string $name the name of the foreign key constraint. |
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* @param string $name the name of the foreign key constraint. |
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