fix(Postgres Node): Connection pool of the database object has been destroyed (#7074)

Github issue / Community forum post (link here to close automatically):

packages/nodes-base/nodes/Postgres/v2/actions/database/insert.operation.ts

@@ -17,6 +17,7 @@ import type {
 import {
 	addReturning,
 	checkItemAgainstSchema,
+	configureTableSchemaUpdater,
 	getTableSchema,
 	prepareItem,
 	replaceEmptyStringsByNulls,
@@ -161,15 +162,28 @@ export async function execute(
 	db: PgpDatabase,
 ): Promise<INodeExecutionData[]> {
 	items = replaceEmptyStringsByNulls(items, nodeOptions.replaceEmptyStrings as boolean);
+	const nodeVersion = nodeOptions.typeVersion as number;
+
+	let schema = this.getNodeParameter('schema', 0, undefined, {
+		extractValue: true,
+	}) as string;
+
+	let table = this.getNodeParameter('table', 0, undefined, {
+		extractValue: true,
+	}) as string;
+
+	const updateTableSchema = configureTableSchemaUpdater(schema, table);
+
+	let tableSchema = await getTableSchema(db, schema, table);
 
 	const queries: QueryWithValues[] = [];
 
 	for (let i = 0; i < items.length; i++) {
-		const schema = this.getNodeParameter('schema', i, undefined, {
+		schema = this.getNodeParameter('schema', i, undefined, {
 			extractValue: true,
 		}) as string;
 
-		const table = this.getNodeParameter('table', i, undefined, {
+		table = this.getNodeParameter('table', i, undefined, {
 			extractValue: true,
 		}) as string;
 
@@ -183,7 +197,6 @@ export async function execute(
 		let query = `INSERT INTO $1:name.$2:name($3:name) VALUES($3:csv)${onConflict}`;
 		let values: QueryValues = [schema, table];
 
-		const nodeVersion = this.getNode().typeVersion;
 		const dataMode =
 			nodeVersion < 2.2
 				? (this.getNodeParameter('dataMode', i) as string)
@@ -209,7 +222,7 @@ export async function execute(
 			}
 		}
 
-		const tableSchema = await getTableSchema(db, schema, table);
+		tableSchema = await updateTableSchema(db, tableSchema, schema, table);
 
 		values.push(checkItemAgainstSchema(this.getNode(), item, tableSchema, i));