From b934678f14a75bcc039b933b49b51cd3e4501c7c Mon Sep 17 00:00:00 2001
From: chulanovskyi <oleg.chulanovskyi@binary-studio.com>
Date: Fri, 10 Jul 2026 15:19:20 +0300
Subject: [PATCH] feat: filter out empty check constraints from the final DDL

---
 forward_engineering/ddlProvider/ddlProvider.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/forward_engineering/ddlProvider/ddlProvider.js b/forward_engineering/ddlProvider/ddlProvider.js
index 670d676..bac4327 100644
--- a/forward_engineering/ddlProvider/ddlProvider.js
+++ b/forward_engineering/ddlProvider/ddlProvider.js
@@ -771,10 +771,14 @@ module.exports = (baseProvider, options, app) => {
 		/**
 		 * @param tableName {string}
 		 * @param constraintName {string}
-		 * @param expression {expression}
+		 * @param expression {string}
 		 * @return string
 		 * */
 		addCheckConstraint(tableName, constraintName, expression) {
+			if (!expression?.trim?.()) {
+				return '';
+			}
+
 			const templateConfig = {
 				tableName,
 				constraintName,