From 18146e239c138788cc899aa8b09cee82219cb727 Mon Sep 17 00:00:00 2001
From: Tigrov <rrr-r@ya.ru>
Date: Thu, 18 Jan 2024 17:11:21 +0700
Subject: [PATCH] Improve regex, add tests

---
 src/Schema.php                   | 4 ++--
 tests/SchemaTest.php             | 1 +
 tests/Support/Fixture/sqlite.sql | 3 ++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Schema.php b/src/Schema.php
index 1ddfab06..2532b1b8 100644
--- a/src/Schema.php
+++ b/src/Schema.php
@@ -771,8 +771,8 @@ private function findComments(TableSchemaInterface $tableSchema): void
 
         $columnsDefinition = $matches[1];
 
-        $identifierPattern = '(?:([`"])([^`"]+)\1|\[([^\]]+)\]|([A-Za-z_]\w*))';
-        $notCommaPattern = '(?:[^,]|\([^()]+\))*?';
+        $identifierPattern = '(?:([`"])([^`"]+)\1|\[([^\]]+)\]|([a-zA-Z_]\w*))';
+        $notCommaPattern = "(?:[^,]|\([^()]+\)|'[^']+')*?";
         $commentPattern = '(?:\s*--[^\n]*|\s*/\*.*?\*/)';
 
         $pattern = "#$identifierPattern\s*$notCommaPattern,?($commentPattern+)#";
diff --git a/tests/SchemaTest.php b/tests/SchemaTest.php
index ca2f5484..071c2740 100644
--- a/tests/SchemaTest.php
+++ b/tests/SchemaTest.php
@@ -376,6 +376,7 @@ public function testColumnComments(): void
         $table = $schema->getTableSchema('comment');
 
         $this->assertSame('primary key', $table->getColumn('id')->getComment());
+        $this->assertSame('USD', $table->getColumn('price')->getComment());
         $this->assertSame("Column comment\nsecond line\nthird line", $table->getColumn('name')->getComment());
     }
 }
diff --git a/tests/Support/Fixture/sqlite.sql b/tests/Support/Fixture/sqlite.sql
index d38ed56e..90879882 100644
--- a/tests/Support/Fixture/sqlite.sql
+++ b/tests/Support/Fixture/sqlite.sql
@@ -179,7 +179,8 @@ CREATE TABLE `comment` -- Table comment
 /* third line */
 (
     `id` integer PRIMARY KEY AUTOINCREMENT NOT NULL, -- primary key
-    `name` varchar(100) -- Column comment
+    price decimal(10,2), -- USD
+    `name` varchar(100) DEFAULT 'Pan, Peter' -- Column comment
     -- second line
     /* third line */
 );