44 lines
1.7 KiB
PHP
44 lines
1.7 KiB
PHP
<?php declare(strict_types=1);
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namespace BitBadger\PDODocument;
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use BitBadger\PDODocument\Mapper\CountMapper;
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use PDO;
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/**
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* Functions to count documents
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*/
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class Count
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{
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/**
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* Count all documents in a table
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*
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* @param string $tableName The name of the table in which documents should be counted
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* @param PDO|null $pdo The database connection to use (optional; will obtain one if not provided)
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* @return int The count of documents in the table
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* @throws DocumentException If one is encountered
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*/
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public static function all(string $tableName, ?PDO $pdo = null): int
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{
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return Custom::scalar(Query\Count::all($tableName), [], new CountMapper(), $pdo);
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}
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/**
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* Count matching documents using a comparison on JSON fields
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*
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* @param string $tableName The name of the table in which documents should be counted
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* @param array|Field[] $fields The field comparison to match
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* @param PDO|null $pdo The database connection to use (optional; will obtain one if not provided)
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* @param string $conjunction How to handle multiple conditions (optional; defaults to `AND`)
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* @return int The count of documents matching the field comparison
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* @throws DocumentException If one is encountered
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*/
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public static function byFields(string $tableName, array $fields, ?PDO $pdo = null,
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string $conjunction = 'AND'): int
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{
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$namedFields = Parameters::nameFields($fields);
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return Custom::scalar(Query\Count::byFields($tableName, $namedFields, $conjunction),
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Parameters::addFields($namedFields, []), new CountMapper(), $pdo);
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}
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}
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