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<?php |
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/** |
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* This file is part of Cycle ORM package. |
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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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declare(strict_types=1); |
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namespace Cycle\Database\Driver\Postgres; |
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use Cycle\Database\Driver\CachingCompilerInterface; |
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use Cycle\Database\Driver\Compiler; |
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use Cycle\Database\Driver\Postgres\Injection\CompileJson; |
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use Cycle\Database\Driver\Quoter; |
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use Cycle\Database\Injection\FragmentInterface; |
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use Cycle\Database\Injection\Parameter; |
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use Cycle\Database\Query\QueryParameters; |
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/** |
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* Postgres syntax specific compiler. |
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*/ |
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class PostgresCompiler extends Compiler implements CachingCompilerInterface |
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{ |
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protected const ORDER_OPTIONS = [ |
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'ASC', 'ASC NULLS LAST', 'ASC NULLS FIRST' , |
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'DESC', 'DESC NULLS LAST', 'DESC NULLS FIRST', |
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]; |
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/** |
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* @psalm-return non-empty-string |
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*/ |
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protected function insertQuery(QueryParameters $params, Quoter $q, array $tokens): string |
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{ |
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$result = parent::insertQuery($params, $q, $tokens); |
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if (empty($tokens['return'])) { |
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return $result; |
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} |
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return \sprintf( |
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'%s RETURNING %s', |
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$result, |
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\implode(',', \array_map( |
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fn(string|FragmentInterface|null $return) => $return instanceof FragmentInterface |
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? $this->fragment($params, $q, $return) |
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: $this->quoteIdentifier($return), |
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$tokens['return'], |
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)), |
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); |
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} |
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/** |
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* @psalm-return non-empty-string |
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*/ |
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protected function upsertQuery(QueryParameters $params, Quoter $q, array $tokens): string |
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{ |
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$query = parent::upsertQuery($params, $q, $tokens); |
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if (empty($tokens['return'])) { |
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return $query; |
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} |
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return \sprintf( |
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'%s RETURNING %s', |
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$query, |
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\implode(',', \array_map( |
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fn(string|FragmentInterface|null $return) => $return instanceof FragmentInterface |
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? $this->fragment($params, $q, $return) |
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: $this->quoteIdentifier($return), |
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$tokens['return'], |
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)), |
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); |
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} |
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protected function distinct(QueryParameters $params, Quoter $q, string|bool|array $distinct): string |
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{ |
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if ($distinct === false) { |
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return ''; |
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} |
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if (\is_array($distinct) && isset($distinct['on'])) { |
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return \sprintf('DISTINCT ON (%s)', $this->name($params, $q, $distinct['on'])); |
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} |
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if (\is_string($distinct)) { |
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return \sprintf('DISTINCT (%s)', $this->name($params, $q, $distinct)); |
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} |
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return 'DISTINCT'; |
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} |
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protected function limit(QueryParameters $params, Quoter $q, ?int $limit = null, ?int $offset = null): string |
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{ |
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if ($limit === null && $offset === null) { |
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return ''; |
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} |
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$statement = ''; |
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if ($limit !== null) { |
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$statement = 'LIMIT ? '; |
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$params->push(new Parameter($limit)); |
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} |
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if ($offset !== null) { |
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$statement .= 'OFFSET ?'; |
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$params->push(new Parameter($offset)); |
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} |
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return \trim($statement); |
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} |
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protected function compileJsonOrderBy(string $path): FragmentInterface |
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{ |
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return new CompileJson($path); |
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} |
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} |
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cycle /
database
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