From 24d56cc7bf48fdd5217a262acd69012622eb13ac Mon Sep 17 00:00:00 2001
From: 1ilit <1ilit@proton.me>
Date: Tue, 8 Jul 2025 22:12:14 +0400
Subject: [PATCH] Use unsigned keyword only if type is signed (#528)

---
 src/utils/exportSQL/mysql.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/utils/exportSQL/mysql.js b/src/utils/exportSQL/mysql.js
index 6d9d4fb..a835778 100644
--- a/src/utils/exportSQL/mysql.js
+++ b/src/utils/exportSQL/mysql.js
@@ -27,9 +27,11 @@ export function toMySQL(diagram) {
         `CREATE TABLE \`${table.name}\` (\n${table.fields
           .map(
             (field) =>
-              `\t\`${field.name}\` ${parseType(field)}${field.unsigned ? " UNSIGNED" : ""}${
-                field.notNull ? " NOT NULL" : ""
-              }${
+              `\t\`${field.name}\` ${parseType(field)}${
+                dbToTypes[DB.MYSQL][field.type]?.signed && field.unsigned
+                  ? " UNSIGNED"
+                  : ""
+              }${field.notNull ? " NOT NULL" : ""}${
                 field.increment ? " AUTO_INCREMENT" : ""
               }${field.unique ? " UNIQUE" : ""}${
                 field.default !== ""