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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Spiral\Database\Drivers\SQLServer\Schemas; |
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use Spiral\Database\Entities\Schemas\AbstractColumn; |
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use Spiral\Database\Entities\Schemas\AbstractCommander; |
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use Spiral\Database\Entities\Schemas\AbstractIndex; |
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use Spiral\Database\Entities\Schemas\AbstractTable; |
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use Spiral\Database\Exceptions\SchemaException; |
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/** |
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* SQLServer commander. |
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*/ |
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class Commander extends AbstractCommander |
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{ |
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/** |
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* Rename table from one name to another. |
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* |
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* @param string $table |
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* @param string $name |
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* @return self |
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*/ |
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public function renameTable($table, $name) |
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{ |
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$this->run("sp_rename @objname = ?, @newname = ?", [$table, $name]); |
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return $this; |
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} |
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/** |
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* Driver specific column add command. |
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* |
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* @param AbstractTable $table |
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* @param AbstractColumn $column |
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* @return self |
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*/ |
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public function addColumn(AbstractTable $table, AbstractColumn $column) |
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{ |
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$this->run("ALTER TABLE {$table->getName(true)} ADD {$column->sqlStatement()}"); |
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return $this; |
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} |
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/** |
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* Driver specific column alter command. |
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* |
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* @param AbstractTable $table |
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* @param AbstractColumn $initial |
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* @param AbstractColumn $column |
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* @return self |
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*/ |
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public function alterColumn( |
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AbstractTable $table, |
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AbstractColumn $initial, |
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AbstractColumn $column |
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) { |
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if (!$initial instanceof ColumnSchema || !$column instanceof ColumnSchema) { |
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throw new SchemaException("SQlServer commander can work only with Postgres columns."); |
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} |
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if ($column->getName() != $initial->getName()) { |
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//Renaming is separate operation |
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$this->run("sp_rename ?, ?, 'COLUMN'", [ |
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$table->getName() . '.' . $initial->getName(), |
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$column->getName() |
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]); |
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} |
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//In SQLServer we have to drop ALL related indexes and foreign keys while |
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//applying type change... yeah... |
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$indexesBackup = []; |
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$foreignBackup = []; |
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foreach ($table->getIndexes() as $index) { |
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if (in_array($column->getName(), $index->getColumns())) { |
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$indexesBackup[] = $index; |
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$this->dropIndex($table, $index); |
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} |
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} |
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foreach ($table->getForeigns() as $foreign) { |
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if ($foreign->getColumn() == $column->getName()) { |
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$foreignBackup[] = $foreign; |
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$this->dropForeign($table, $foreign); |
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} |
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} |
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//Column will recreate needed constraints |
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foreach ($column->getConstraints() as $constraint) { |
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$this->dropConstrain($table, $constraint); |
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} |
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foreach ($column->alteringOperations($initial) as $operation) { |
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$this->run("ALTER TABLE {$table->getName(true)} {$operation}"); |
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} |
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//Restoring indexes and foreign keys |
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foreach ($indexesBackup as $index) { |
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$this->addIndex($table, $index); |
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} |
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foreach ($foreignBackup as $foreign) { |
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$this->addForeign($table, $foreign); |
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} |
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return $this; |
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} |
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/** |
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* Driver specific index remove (drop) command. |
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* |
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* @param AbstractTable $table |
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* @param AbstractIndex $index |
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* @return self |
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*/ |
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public function dropIndex(AbstractTable $table, AbstractIndex $index) |
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{ |
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$this->run("DROP INDEX {$index->getName(true)} ON {$table->getName(true)}"); |
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return $this; |
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} |
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} |
spiral /
components
