Fix quoting reserved words

Author: paranoiq

sources/Formatter/Formatter.php

@@ -111,7 +111,8 @@ public function formatName(string $name): string
         if ($name === '*') {
             return '*';
         }
-        $quote = $this->session->getMode()->containsAny(SqlMode::ANSI_QUOTES) ? '"' : '`';
+        $sqlMode = $this->session->getMode();
+        $quote = $sqlMode->containsAny(SqlMode::ANSI_QUOTES) ? '"' : '`';
         $name = str_replace($quote, $quote . $quote, $name);
 
         $needsQuoting = $this->quoteAllNames
@@ -120,7 +121,7 @@ public function formatName(string $name): string
             || preg_match('~[\pC\pM\pS\pZ\p{Pd}\p{Pe}\p{Pf}\p{Pi}\p{Po}\p{Ps}]~u', ltrim($name, '@')) !== 0 // contains control, mark, symbols, whitespace, punctuation except _
             || $this->session->getPlatform()->isReserved($name);
 
-        if ($needsQuoting && !$this->session->getMode()->containsAny(SqlMode::NO_BACKSLASH_ESCAPES)) {
+        if ($needsQuoting && !$sqlMode->containsAny(SqlMode::NO_BACKSLASH_ESCAPES)) {
             $name = str_replace($this->escapeKeys, $this->escapeValues, $name);
         }
 

sources/Platform/Platform.php

@@ -309,6 +309,8 @@ public function getFeatures(): array
 
     public function isReserved(string $word): bool
     {
+        $word = strtoupper($word);
+
         return in_array($word, $this->getReserved(), true);
     }
 
@@ -328,6 +330,8 @@ public function getReserved(): array
 
     public function isKeyword(string $word, int $version): bool
     {
+        $word = strtoupper($word);
+
         return in_array($word, $this->getReserved(), true) || in_array($word, $this->getNonReserved(), true);
     }
 

tests/Parser/ReservedWordsQuoting.phpt

@@ -0,0 +1,13 @@
+<?php declare(strict_types = 1);
+
+// phpcs:disable SlevomatCodingStandard.Functions.RequireSingleLineCall
+
+namespace SqlFtw\Parser;
+
+use SqlFtw\Tests\Assert;
+
+require __DIR__ . '/../bootstrap.php';
+
+
+Assert::parseSerialize("CREATE TABLE occurrence (`empty` TINYINT(1) NOT NULL DEFAULT 0)");
+Assert::parseSerialize("CREATE TABLE occurrence (`EMPTY` TINYINT(1) NOT NULL DEFAULT 0)");