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<?php |
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declare(strict_types = 1); |
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namespace Puzzle\QueryBuilder\Queries; |
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use Puzzle\QueryBuilder\Query; |
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use Puzzle\QueryBuilder\Condition; |
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use Puzzle\QueryBuilder\Traits\EscaperAware; |
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use Puzzle\QueryBuilder\Snippet; |
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use Puzzle\QueryBuilder\Queries\Snippets\Builders; |
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use Puzzle\QueryBuilder\Queries\Snippets\Having; |
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class Select implements Query |
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{ |
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use |
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EscaperAware, |
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Builders\Join, |
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Builders\Where, |
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Builders\GroupBy, |
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Builders\OrderBy, |
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Builders\Limit; |
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private |
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$select, |
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$from, |
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$having; |
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/** |
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* @param array[string|Selectable] | string|Selectable $columns |
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*/ |
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public function __construct($columns = []) |
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{ |
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$this->select = new Snippets\Select(); |
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$this->where = new Snippets\Where(); |
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$this->groupBy = new Snippets\GroupBy(); |
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$this->having = new Snippets\Having(); |
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$this->orderBy = new Snippets\OrderBy(); |
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$this->select($columns); |
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} |
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public function toString(): string |
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{ |
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$queryParts = array( |
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$this->buildSelect(), |
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$this->buildFrom(), |
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$this->buildJoin(), |
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$this->buildWhere($this->escaper), |
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$this->buildGroupBy(), |
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$this->buildHaving(), |
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$this->buildOrderBy(), |
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$this->buildLimit(), |
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); |
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return implode(' ', array_filter($queryParts)); |
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} |
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/** |
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* @param Snippets\TableName|string $table |
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*/ |
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public function from($table, ?string $alias = null): self |
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{ |
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$this->from = new Snippets\From($table, $alias); |
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return $this; |
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} |
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/** |
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* @param array[string|Selectable] | string|Selectable $columns |
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*/ |
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public function select($columns): self |
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{ |
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$this->select->select($columns); |
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return $this; |
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} |
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public function having(Condition $condition): self |
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{ |
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$this->having->having($condition); |
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return $this; |
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} |
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private function buildSelect(): string |
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{ |
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return $this->select->toString(); |
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} |
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private function buildFrom(): string |
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{ |
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if(!$this->from instanceof Snippet) |
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{ |
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throw new \LogicException('No column for FROM clause'); |
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} |
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return $this->from->toString(); |
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} |
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private function buildHaving(): string |
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{ |
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$this->having->setEscaper($this->escaper); |
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return $this->having->toString(); |
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} |
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} |
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puzzle-org /
query-builder
Loading history...
Only declaring a single property per statement allows you to later on add doc comments more easily.
It is also recommended by PSR2, so it is a common style that many people expect.