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<?php |
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declare(strict_types=1); |
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namespace Cycle\ORM\Select\Traits; |
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use Cycle\Database\Query\SelectQuery; |
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use JetBrains\PhpStorm\Pure; |
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/** |
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* Provides ability to add aliased columns into SelectQuery. |
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* |
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* @internal |
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*/ |
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trait ColumnsTrait |
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{ |
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/** |
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* List of columns associated with the loader. |
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* |
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* @var array<non-empty-string, non-empty-string> |
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*/ |
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protected array $columns = []; |
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/** |
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* Return column name associated with given field. |
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5988 |
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*/ |
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public function fieldAlias(string $field): ?string |
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5988 |
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{ |
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return $this->columns[$field] ?? null; |
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} |
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/** |
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* Set columns into SelectQuery. |
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* |
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* @param bool $minify Minify column names (will work in case when query parsed in |
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* FETCH_NUM mode). |
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* @param string $prefix Prefix to be added for each column name. |
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* @param bool $overwrite When set to true existed columns will be removed. |
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*/ |
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protected function mountColumns( |
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SelectQuery $query, |
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bool $minify = false, |
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string $prefix = '', |
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bool $overwrite = false |
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6494 |
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): SelectQuery { |
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6494 |
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$alias = $this->getAlias(); |
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$columns = $overwrite ? [] : $query->getColumns(); |
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6494 |
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foreach ($this->columns as $internal => $external) { |
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$name = $internal; |
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if ($minify) { |
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//Let's use column number instead of full name |
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$name = 'c' . \count($columns); |
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} |
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$columns[] = "{$alias}.{$external} AS {$prefix}{$name}"; |
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} |
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6494 |
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return $query->columns($columns); |
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} |
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6494 |
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/** |
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* Return original column names. |
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*/ |
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protected function columnNames(): array |
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{ |
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return \array_keys($this->columns); |
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} |
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6382 |
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/** |
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* Table alias of the loader. |
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*/ |
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abstract protected function getAlias(): string; |
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6382 |
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/** |
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* @param non-empty-string[] $columns |
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* |
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* @return array<non-empty-string, non-empty-string> |
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* |
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* @psalm-pure |
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*/ |
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#[Pure] |
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private function normalizeColumns(array $columns): array |
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{ |
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$result = []; |
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foreach ($columns as $alias => $column) { |
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$result[\is_int($alias) ? $column : $alias] = $column; |
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} |
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return $result; |
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} |
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} |
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cycle /
orm
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