Migrate remaining implementation

src/RemoveFields.php

@@ -0,0 +1,46 @@
+<?php declare(strict_types=1);
+
+namespace BitBadger\PDODocument;
+
+use PDO;
+
+/**
+ * Functions to remove fields from documents
+ */
+class RemoveFields
+{
+    /**
+     * Remove fields from a document by the document's ID
+     *
+     * @param string $tableName The table in which the document should have fields removed
+     * @param mixed $docId The ID of the document from which fields should be removed
+     * @param array|string[] $fieldNames The names of the fields to be removed
+     * @param PDO|null $pdo The database connection to use (optional; will obtain one if not provided)
+     * @throws DocumentException If any is encountered
+     */
+    public static function byId(string $tableName, mixed $docId, array $fieldNames, ?PDO $pdo = null): void
+    {
+        $nameParams = Parameters::fieldNames('@name', $fieldNames);
+        Custom::nonQuery(Query\RemoveFields::byId($tableName, $nameParams),
+            array_merge(Parameters::id($docId), $nameParams), $pdo);
+    }
+
+    /**
+     * Remove fields from documents via a comparison on a JSON field in the document
+     *
+     * @param string $tableName The table in which documents should have fields removed
+     * @param array|Field[] $fields The field comparison to match
+     * @param array|string[] $fieldNames The names of the fields to be removed
+     * @param PDO|null $pdo The database connection to use (optional; will obtain one if not provided)
+     * @param string $conjunction How to handle multiple conditions (optional; defaults to `AND`)
+     * @throws DocumentException If any is encountered
+     */
+    public static function byFields(string $tableName, array $fields, array $fieldNames, ?PDO $pdo = null,
+                                    string $conjunction = 'AND'): void
+    {
+        $nameParams  = Parameters::fieldNames('@name', $fieldNames);
+        $namedFields = Parameters::nameFields($fields);
+        Custom::nonQuery(Query\RemoveFields::byFields($tableName, $namedFields, $nameParams, $conjunction),
+            Parameters::addFields($namedFields, $nameParams), $pdo);
+    }
+}