Fix fatal PRIMARY KEY (Array) on fresh install from array primary key

includes/database.php

@@ -257,6 +257,26 @@ function webseer_table_map(): array {
 	];
 }
 
+/**
+ * Returns a copy of a table definition with an array-valued 'primary'
+ * flattened to the backtick-joined scalar form api_plugin_db_table_create()
+ * expects. Down to this plugin's Cacti 1.2.29 compat floor that API
+ * interpolates $data['primary'] straight into PRIMARY KEY (`...`), so an
+ * array would render as PRIMARY KEY (`Array`) and fail the create. The array
+ * form is kept in the *_table_data() definitions for db_update_table().
+ *
+ * @param array<string, mixed> $data The table definition (array primary).
+ *
+ * @return array<string, mixed> The definition with a scalar primary key.
+ */
+function webseer_create_definition(array $data): array {
+	if (isset($data['primary']) && is_array($data['primary'])) {
+		$data['primary'] = implode('`,`', $data['primary']);
+	}
+
+	return $data;
+}
+
 /**
  * Creates all of this plugin's database tables through Cacti's tracked
  * plugin table API. Called from plugin_webseer_install() during
@@ -267,7 +287,7 @@ function webseer_table_map(): array {
  */
 function plugin_webseer_setup_table() {
 	foreach (webseer_table_map() as $table => $data) {
-		api_plugin_db_table_create('webseer', $table, $data);
+		api_plugin_db_table_create('webseer', $table, webseer_create_definition($data));
 	}
 }
 
@@ -295,7 +315,7 @@ function webseer_upgrade_tables(): bool {
 		if (db_table_exists($table)) {
 			db_update_table($table, $data);
 		} else {
-			api_plugin_db_table_create('webseer', $table, $data);
+			api_plugin_db_table_create('webseer', $table, webseer_create_definition($data));
 		}
 	}
 

tests/Integration/PluginLifecycleTest.php

@@ -81,6 +81,25 @@
 	}
 });
 
+it('hands api_plugin_db_table_create a scalar primary key while keeping the array form for db_update_table', function () {
+	// api_plugin_db_table_create() interpolates data['primary'] straight into
+	// PRIMARY KEY (`...`) down to the 1.2.29 compat floor, so an array would
+	// render as PRIMARY KEY (`Array`) and fail the create on a fresh install.
+	// db_update_table() needs the array form, so the shared definitions keep it.
+	plugin_webseer_install();
+
+	$creates = array_filter($GLOBALS['__test_db_calls'], fn ($call) => $call['fn'] === 'api_plugin_db_table_create');
+
+	expect($creates)->not->toBeEmpty();
+
+	foreach ($creates as $call) {
+		// params = [$plugin, $data]
+		expect($call['params'][1]['primary'])->toBeString();
+	}
+
+	expect(webseer_servers_table_data()['primary'])->toBeArray();
+});
+
 it('drops every plugin table on uninstall', function () {
 	plugin_webseer_uninstall();