37 lines
1.2 KiB
PHP
37 lines
1.2 KiB
PHP
<?php declare(strict_types=1);
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namespace BitBadger\PDODocument\Query;
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use BitBadger\PDODocument\{DocumentException, Field, FieldMatch, Query};
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/**
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* Queries for counting documents
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*/
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class Count
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{
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/**
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* Query to 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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* @return string The query to count all documents in a table
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*/
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public static function all(string $tableName): string
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{
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return "SELECT COUNT(*) FROM $tableName";
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}
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/**
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* Query to count matching documents using a text 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 Field[] $fields The field comparison to match
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* @param FieldMatch|null $match How to join multiple conditions (optional; defaults to All)
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* @return string The query to count documents using a field comparison
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* @throws DocumentException If the database mode has not been set
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*/
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public static function byFields(string $tableName, array $fields, ?FieldMatch $match = null): string
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{
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return self::all($tableName) . ' WHERE ' . Query::whereByFields($fields, $match);
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}
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}
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