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packages/nodes-base/nodes/Oracle/Sql/actions/database/executeQuery.operation.ts

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+import type {
+	IDataObject,
+	IExecuteFunctions,
+	INodeExecutionData,
+	INodeProperties,
+} from 'n8n-workflow';
+import type oracledb from 'oracledb';
+
+import { getResolvables, updateDisplayOptions } from '@utils/utilities';
+
+import type {
+	ExecuteOpBindParam,
+	OracleDBNodeOptions,
+	QueriesRunner,
+	QueryWithValues,
+} from '../../helpers/interfaces';
+import { getBindParameters } from '../../helpers/utils';
+import { optionsCollection } from '../common.descriptions';
+
+const properties: INodeProperties[] = [
+	{
+		displayName: 'Statement',
+		name: 'query',
+		type: 'string',
+		default: '',
+		placeholder: 'e.g. SELECT id, name FROM product WHERE quantity > :1 AND price <= :2',
+		noDataExpression: true,
+		required: true,
+		description:
+			"The SQL statement to execute. You can use n8n expressions and positional parameters like :1, :2, :3, or named parameters like :name, :ID, etc to refer to the 'Bind Variable Placeholder Values' set in options below.",
+		typeOptions: {
+			editor: 'sqlEditor',
+			sqlDialect: 'OracleDB',
+		},
+		hint: 'Consider using bind parameters to prevent SQL injection attacks. Add them in the options below',
+	},
+	...optionsCollection,
+];
+
+const displayOptions = {
+	show: {
+		resource: ['database'],
+		operation: ['execute'],
+	},
+};
+
+export const description = updateDisplayOptions(displayOptions, properties);
+
+/**
+ * Query execution function for this node.
+ *
+ * This method is called once for every execution of the node during a workflow run.
+ * It receives input data from the previous node(s) and returns output data to the next node(s).
+ *
+ *
+ * Returns:
+ * - An array of `INodeExecutionData` objects containing JSON data and optionally binary data, PairedItem,...
+ */
+export async function execute(
+	this: IExecuteFunctions,
+	runQueries: QueriesRunner,
+	items: INodeExecutionData[],
+	nodeOptions: OracleDBNodeOptions,
+	_pool?: oracledb.Pool,
+): Promise<INodeExecutionData[]> {
+	const queries: QueryWithValues[] = [];
+
+	for (let index = 0; index < items.length; index++) {
+		let query = this.getNodeParameter('query', index) as string;
+
+		// Dynamically replaces placeholders ({{...}}) in SQL queries.
+		// Ex: SELECT * FROM users WHERE name = '{{ $json["name"] }}'
+		// to SELECT * FROM users WHERE name = 'Alice'
+		for (const resolvable of getResolvables(query)) {
+			query = query.replace(resolvable, this.evaluateExpression(resolvable, index) as string);
+		}
+
+		let values: any = [];
+
+		// get list of param objects entered by user
+		const parameterIDataObjectList =
+			((this.getNodeParameter('options.params', index, {}) as IDataObject)
+				.values as ExecuteOpBindParam[]) || [];
+		if (parameterIDataObjectList.length) {
+			const { updatedQuery, bindParameters } = getBindParameters(query, parameterIDataObjectList);
+			query = updatedQuery;
+			values = bindParameters;
+		}
+
+		queries.push({ query, values });
+	}
+
+	return await runQueries(queries, items, nodeOptions);
+}