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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\AST\Literal; |
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use Doctrine\ORM\Query\AST\Node; |
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use MartinGeorgiev\Doctrine\ORM\Query\AST\Functions\Exception\InvalidTruncFieldException; |
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use MartinGeorgiev\Doctrine\ORM\Query\AST\Functions\Traits\TimezoneValidationTrait; |
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/** |
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* Implementation of PostgreSQL DATE_TRUNC(). |
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* |
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* @see https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC |
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* @since 3.7 |
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* |
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* @author Jan Klan <[email protected]> |
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* |
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* @example Using it in DQL: "SELECT DATE_TRUNC('day', e.timestampWithTz, 'Australia/Adelaide') FROM Entity e" |
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*/ |
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class DateTrunc extends BaseVariadicFunction |
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{ |
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use TimezoneValidationTrait; |
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/** |
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* @see https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC |
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*/ |
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public const FIELDS = [ |
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'microseconds', |
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'milliseconds', |
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'second', |
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'minute', |
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'hour', |
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'day', |
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'week', |
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'month', |
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'quarter', |
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'year', |
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'decade', |
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'century', |
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'millennium', |
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]; |
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protected function getNodeMappingPattern(): array |
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{ |
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return ['StringPrimary']; |
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} |
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protected function getFunctionName(): string |
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{ |
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return 'date_trunc'; |
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} |
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protected function getMinArgumentCount(): int |
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{ |
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return 2; |
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} |
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protected function getMaxArgumentCount(): int |
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{ |
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return 3; |
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} |
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protected function validateArguments(Node ...$arguments): void |
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{ |
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parent::validateArguments(...$arguments); |
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$this->validateTruncField($arguments[0]); |
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// Validate that the third parameter is a valid timezone if provided |
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if (\count($arguments) === 3) { |
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$this->validateTimezone($arguments[2], $this->getFunctionName()); |
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} |
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} |
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/** |
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* Validates that the given node represents a valid trunc field value. |
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* |
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* @throws InvalidTruncFieldException If the field value is invalid |
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*/ |
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protected function validateTruncField(Node $node): void |
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{ |
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if (!$node instanceof Literal || !\is_string($node->value)) { |
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throw InvalidTruncFieldException::forNonLiteralNode($node::class, $this->getFunctionName()); |
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} |
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$field = \strtolower(\trim((string) $node->value, "'\"")); |
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if (!\in_array($field, self::FIELDS, true)) { |
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throw InvalidTruncFieldException::forInvalidField($field, $this->getFunctionName()); |
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} |
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} |
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} |
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martin-georgiev /
postgresql-for-doctrine
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