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<?php |
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namespace Staudenmeir\LaravelCte\Query; |
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use Illuminate\Database\Connection; |
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use Illuminate\Database\Query\Builder as Base; |
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use Illuminate\Database\Query\Grammars\Grammar; |
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use Illuminate\Database\Query\Processors\Processor; |
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use RuntimeException; |
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use Staudenmeir\LaravelCte\Query\Grammars\MySqlGrammar; |
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use Staudenmeir\LaravelCte\Query\Grammars\PostgresGrammar; |
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use Staudenmeir\LaravelCte\Query\Grammars\SQLiteGrammar; |
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use Staudenmeir\LaravelCte\Query\Grammars\SqlServerGrammar; |
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class Builder extends Base |
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{ |
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/** |
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* The common table expressions. |
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* |
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* @var array |
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*/ |
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public $expressions = []; |
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/** |
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* The recursion limit. |
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* |
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* @var int |
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*/ |
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public $recursionLimit; |
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/** |
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* Create a new query builder instance. |
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* |
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* @param \Illuminate\Database\Connection $connection |
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* @param \Illuminate\Database\Query\Grammars\Grammar|null $grammar |
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* @param \Illuminate\Database\Query\Processors\Processor|null $processor |
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* @return void |
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*/ |
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public function __construct(Connection $connection, Grammar $grammar = null, Processor $processor = null) |
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{ |
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$grammar = $grammar ?: $connection->withTablePrefix($this->getQueryGrammar($connection)); |
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$processor = $processor ?: $connection->getPostProcessor(); |
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parent::__construct($connection, $grammar, $processor); |
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$this->bindings = ['expressions' => []] + $this->bindings; |
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} |
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/** |
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* Get the query grammar. |
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* |
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* @param \Illuminate\Database\Connection $connection |
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* @return \Illuminate\Database\Query\Grammars\Grammar |
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*/ |
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protected function getQueryGrammar(Connection $connection) |
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{ |
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$driver = $connection->getDriverName(); |
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switch ($driver) { |
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case 'mysql': |
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return new MySqlGrammar; |
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case 'pgsql': |
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return new PostgresGrammar; |
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case 'sqlite': |
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return new SQLiteGrammar; |
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case 'sqlsrv': |
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return new SqlServerGrammar; |
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} |
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throw new RuntimeException('This database is not supported.'); // @codeCoverageIgnore |
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} |
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/** |
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* Add a common table expression to the query. |
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* |
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* @param string $name |
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* @param \Closure|\Illuminate\Database\Query\Builder|string $query |
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* @param array|null $columns |
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* @param bool $recursive |
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* @return $this |
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*/ |
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public function withExpression($name, $query, array $columns = null, $recursive = false) |
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{ |
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[$query, $bindings] = $this->createSub($query); |
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$this->expressions[] = compact('name', 'query', 'columns', 'recursive'); |
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$this->addBinding($bindings, 'expressions'); |
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return $this; |
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} |
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/** |
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* Add a recursive common table expression to the query. |
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* |
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* @param string $name |
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* @param \Closure|\Illuminate\Database\Query\Builder|string $query |
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* @param array|null $columns |
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* @return $this |
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*/ |
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public function withRecursiveExpression($name, $query, $columns = null) |
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{ |
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return $this->withExpression($name, $query, $columns, true); |
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} |
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/** |
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* Set the recursion limit of the query. |
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* |
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* @param int $value |
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* @return $this |
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*/ |
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public function recursionLimit($value) |
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{ |
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$this->recursionLimit = $value; |
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return $this; |
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} |
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/** |
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* Insert new records into the table using a subquery. |
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* |
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* @param array $columns |
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* @param \Closure|\Illuminate\Database\Query\Builder|string $query |
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* @return bool |
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*/ |
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public function insertUsing(array $columns, $query) |
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{ |
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[$sql, $bindings] = $this->createSub($query); |
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$bindings = array_merge($this->bindings['expressions'], $bindings); |
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return $this->connection->insert( |
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$this->grammar->compileInsertUsing($this, $columns, $sql), |
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$this->cleanBindings($bindings) |
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); |
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} |
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} |
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staudenmeir /
laravel-cte
