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<?php |
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declare(strict_types=1); |
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namespace MartinGeorgiev\Doctrine\ORM\Query\AST\Functions; |
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use Doctrine\ORM\Query\Lexer; |
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use Doctrine\ORM\Query\Parser; |
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use Doctrine\ORM\Query\QueryException; |
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use Doctrine\ORM\Query\TokenType; |
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use MartinGeorgiev\Utils\DoctrineOrm; |
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/** |
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* Implementation of PostgreSQL json field retrieval, filtered by key (using ->). |
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* |
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* Supports both string keys for object property access and integer indices for array element access: |
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* - JSON_GET_FIELD(json_column, 'property_name') -> json_column->'property_name' |
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* - JSON_GET_FIELD(json_column, 0) -> json_column->0 |
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* |
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* @see https://www.postgresql.org/docs/9.4/static/functions-json.html |
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* @since 0.1 |
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* |
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* @author Martin Georgiev <[email protected]> |
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*/ |
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class JsonGetField extends BaseFunction |
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{ |
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protected function customizeFunction(): void |
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{ |
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$this->setFunctionPrototype('(%s -> %s)'); |
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} |
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protected function feedParserWithNodes(Parser $parser): void |
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{ |
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$shouldUseLexer = DoctrineOrm::isPre219(); |
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$nodeForJsonDocumentName = $parser->StringPrimary(); |
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$parser->match($shouldUseLexer ? Lexer::T_COMMA : TokenType::T_COMMA); |
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// Second parameter can be either an index or a property name |
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try { |
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$nodeForJsonIndexOrPropertyName = $parser->ArithmeticPrimary(); |
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} catch (QueryException) { |
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// If ArithmeticPrimary fails (e.g., when encountering a property name rather than an index), try StringPrimary |
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$nodeForJsonIndexOrPropertyName = $parser->StringPrimary(); |
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} |
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/* @phpstan-ignore-next-line assign.propertyType */ |
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$this->nodes = [$nodeForJsonDocumentName, $nodeForJsonIndexOrPropertyName]; |
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} |
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} |
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martin-georgiev /
postgresql-for-doctrine
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