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<?php |
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/** |
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* Author: Nil Portugués Calderó <[email protected]> |
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* Date: 6/11/14 |
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* Time: 1:51 AM. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace NilPortugues\Sql\QueryBuilder\Builder\Syntax; |
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use NilPortugues\Sql\QueryBuilder\Builder\GenericBuilder; |
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use NilPortugues\Sql\QueryBuilder\Manipulation\Insert; |
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use NilPortugues\Sql\QueryBuilder\Manipulation\QueryException; |
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/** |
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* Class InsertWriter. |
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*/ |
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class InsertWriter |
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{ |
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/** |
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* @var GenericBuilder |
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*/ |
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private $writer; |
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/** |
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* @var ColumnWriter |
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*/ |
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private $columnWriter; |
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/** |
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* @param GenericBuilder $writer |
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* @param PlaceholderWriter $placeholder |
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*/ |
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public function __construct(GenericBuilder $writer, PlaceholderWriter $placeholder) |
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{ |
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$this->writer = $writer; |
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$this->columnWriter = WriterFactory::createColumnWriter($this->writer, $placeholder); |
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} |
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/** |
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* @param Insert $insert |
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* |
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* @throws QueryException |
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* |
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* @return string |
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*/ |
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public function write(Insert $insert) |
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{ |
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$columns = $insert->getColumns(); |
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if (empty($columns)) { |
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throw new QueryException('No columns were defined for the current schema.'); |
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} |
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$columns = $this->writeQueryColumns($columns); |
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$values = $this->writeQueryValues($insert->getValues()); |
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$table = $this->writer->writeTable($insert->getTable()); |
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$comment = AbstractBaseWriter::writeQueryComment($insert); |
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return $comment."INSERT INTO {$table} ($columns) VALUES ($values)"; |
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} |
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/** |
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* @param $columns |
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* |
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* @return string |
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*/ |
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protected function writeQueryColumns($columns) |
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{ |
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return $this->writeCommaSeparatedValues($columns, $this->columnWriter, 'writeColumn'); |
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} |
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/** |
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* @param $collection |
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* @param $writer |
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* @param string $method |
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* |
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* @return string |
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*/ |
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protected function writeCommaSeparatedValues($collection, $writer, $method) |
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{ |
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\array_walk( |
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$collection, |
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function (&$data) use ($writer, $method) { |
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$data = $writer->$method($data); |
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} |
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); |
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return \implode(', ', $collection); |
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} |
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/** |
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* @param $values |
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* |
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* @return string |
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*/ |
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protected function writeQueryValues($values) |
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{ |
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return $this->writeCommaSeparatedValues($values, $this->writer, 'writePlaceholderValue'); |
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} |
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} |
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nilportugues /
sql-query-builder
