HCK-14813: fix unexpected semicolon

forward_engineering/helpers/tableHelper.js

@@ -12,6 +12,7 @@ const {
 	getDBVersionNumber,
 	generateFullEntityName,
 	executeUnlessStreaming,
+	cleanQuery,
 } = require('../utils/general');
 const { getColumnsStatement, getColumns } = require('./columnHelper');
 const keyHelper = require('./keyHelper');
@@ -800,7 +801,8 @@ const getCreateStreamingStatement = ({
 
 	const rowFilterClause = getRowFilterClause(rowFilterGroup, entityJsonProperties);
 
-	const queryClause = selectStreamingStatement ? `AS ${selectStreamingStatement}` : '';
+	const cleanedStatement = cleanQuery(selectStreamingStatement);
+	const queryClause = cleanedStatement ? `AS ${cleanedStatement}` : '';
 
 	return buildStatement(`${createPrefix}${isNotExistsStatement} ${fullTableName} (`, isActivated)(
 		tableStructure,

forward_engineering/utils/general.js

@@ -328,6 +328,26 @@ const executeUnlessStreaming = (isStreaming, task, fallback = '') => {
 	return task();
 };
 
+/**
+ * Prepares the raw SQL query for embedding in the final DDL statement.
+ * It removes leading/trailing whitespace and strips any trailing semicolons
+ * to prevent syntax errors.
+ *
+ * @param {string} query - The raw SQL query string from the user input.
+ * @returns {string} The cleaned query string without trailing semicolons.
+ */
+const cleanQuery = query => {
+	const cleaned = query?.trim();
+	if (!cleaned) return '';
+
+	let finalQuery = cleaned;
+	while (finalQuery.endsWith(';')) {
+		finalQuery = finalQuery.slice(0, -1);
+	}
+
+	return finalQuery;
+};
+
 module.exports = {
 	buildStatement,
 	getName,
@@ -364,4 +384,5 @@ module.exports = {
 	checkLiquidClusteringPropertyChanged,
 	generateFullEntityNameFromBucketAndTableNames,
 	executeUnlessStreaming,
+	cleanQuery,
 };