SqlPreprocessor: support for IN (?) [Closes #256]

Author: dg

src/Database/SqlPreprocessor.php

@@ -103,7 +103,7 @@ public function process(array $params, bool $useParams = false): array
 				$this->arrayMode = null;
 				$res[] = Nette\Utils\Strings::replace(
 					$param,
-					'~\'[^\']*+\'|"[^"]*+"|\?[a-z]*|^\s*+(?:\(?\s*SELECT|INSERT|UPDATE|DELETE|REPLACE|EXPLAIN)\b|\b(?:SET|WHERE|HAVING|ORDER BY|GROUP BY|KEY UPDATE)(?=\s*$|\s*\?)|/\*.*?\*/|--[^\n]*~Dsi',
+					'~\'[^\']*+\'|"[^"]*+"|\?[a-z]*|^\s*+(?:\(?\s*SELECT|INSERT|UPDATE|DELETE|REPLACE|EXPLAIN)\b|\b(?:SET|WHERE|HAVING|ORDER BY|GROUP BY|KEY UPDATE)(?=\s*$|\s*\?)|\bIN\s+\(\?\)|/\*.*?\*/|--[^\n]*~Dsi',
 					\Closure::fromCallable([$this, 'callback'])
 				);
 			} else {
@@ -127,6 +127,12 @@ private function callback(array $m): string
 		} elseif ($m[0] === "'" || $m[0] === '"' || $m[0] === '/' || $m[0] === '-') { // string or comment
 			return $m;
 
+		} elseif (substr($m, -3) === '(?)') { // IN (?)
+			if ($this->counter >= count($this->params)) {
+				throw new Nette\InvalidArgumentException('There are more placeholders than passed parameters.');
+			}
+			return 'IN (' . $this->formatValue($this->params[$this->counter++], self::MODE_LIST) . ')';
+
 		} else { // command
 			$cmd = ltrim(strtoupper($m), "\t\n\r (");
 			$this->arrayMode = self::ARRAY_MODES[$cmd] ?? null;

tests/Database/SqlPreprocessor.phpt

@@ -79,6 +79,10 @@ test('IN', function () use ($preprocessor) {
 
 	Assert::same(reformat('SELECT id FROM author WHERE ([a] IN (NULL, ?, ?, ?)) AND (1=0) AND ([c] NOT IN (NULL, ?, ?, ?))'), $sql);
 	Assert::same([1, 2, 3, 1, 2, 3], $params);
+
+	[$sql, $params] = $preprocessor->process(['SELECT * FROM table WHERE ? AND id IN (?) AND ?', ['a' => 111], [3, 4], ['b' => 222]]);
+	Assert::same(reformat('SELECT * FROM table WHERE ([a] = ?) AND id IN (?, ?) AND ([b] = ?)'), $sql);
+	Assert::same([111, 3, 4, 222], $params);
 });
 
 
@@ -343,7 +347,7 @@ test('?values', function () use ($preprocessor) {
 
 test('automatic detection failed', function () use ($preprocessor) {
 	Assert::exception(function () use ($preprocessor) {
-		$preprocessor->process(['INSERT INTO author (name) SELECT name FROM user WHERE id IN (?)', [11, 12]]);
+		dump($preprocessor->process(['INSERT INTO author (name) SELECT name FROM user WHERE id ?', [11, 12]])); // invalid sql
 	}, Nette\InvalidArgumentException::class, 'Automaticaly detected multi-insert, but values aren\'t array. If you need try to change mode like "?[and|or|set|values|order|list]". Mode "values" was used.');
 });