HCK-7929: DB2 deactivated view fields are not commented out in FE (#29)

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<table>
<td>
<a href="https://hackolade.atlassian.net/browse/HCK-7929"
title="HCK-7929" target="_blank"><img alt="Sub-bug"
src="https://hackolade.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10303?size=medium"
/>HCK-7929</a> DB2 deactivated view fields are not commented out in FE
  </td></table>
  <br />
 

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forward_engineering/ddlProvider/ddlProvider.js

@@ -31,6 +31,33 @@ const { getTableType } = require('./ddlHelpers/table/getTableType.js');
 const { getName } = require('./ddlHelpers/jsonSchema/jsonSchemaHelper.js');
 const { hydrateAuxiliaryTableData } = require('./ddlHelpers/table/hydrateAuxiliaryTableData.js');
 
+/**
+ * @param {{ columns: object[] }}
+ * @returns {string}
+ */
+const getViewColumnsAsString = ({ columns }) => {
+	const statements = columns.map(({ statement, isActivated }) =>
+		commentIfDeactivated(statement, { isActivated, isPartOfLine: false }),
+	);
+	const lastNonCommentIndex = statements.findLastIndex(statement => !statement.startsWith('--'));
+
+	if (lastNonCommentIndex === -1) {
+		return statements.join('\n');
+	}
+
+	return statements
+		.map((st, index) => {
+			const isNotLast = index !== statements.length - 1;
+
+			if (lastNonCommentIndex === index && isNotLast) {
+				return `${st} -- ,`;
+			}
+
+			return `${st}${isNotLast ? ',' : ''}`;
+		})
+		.join('\n\t\t');
+};
+
 module.exports = (baseProvider, options, app) => {
 	return {
 		getDefaultType(type) {
@@ -418,7 +445,7 @@ module.exports = (baseProvider, options, app) => {
 			const orReplace = viewData.orReplace ? ' OR REPLACE' : '';
 
 			const { columns, tables } = getViewData({ keys: viewData.keys });
-			const columnsAsString = columns.map(column => column.statement).join(',\n\t\t');
+			const columnsAsString = getViewColumnsAsString({ columns });
 			const commentStatement = getTableCommentStatement({
 				tableName: viewName,
 				description: viewData.description,