From 28c171f681bef0062861ab3b8810a468d15a33c1 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Fri, 7 Mar 2025 13:13:53 +0100
Subject: [PATCH] PostgreSQL: Support indexes on materialized views (PR #467)

---
 adminer/drivers/pgsql.inc.php  |  4 ++++
 adminer/include/driver.inc.php |  8 ++++++++
 adminer/table.inc.php          | 16 ++++++++--------
 changes.txt                    |  1 +
 4 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/adminer/drivers/pgsql.inc.php b/adminer/drivers/pgsql.inc.php
index 4438e4a2..cafbbbd6 100644
--- a/adminer/drivers/pgsql.inc.php
+++ b/adminer/drivers/pgsql.inc.php
@@ -293,6 +293,10 @@ if (isset($_GET["pgsql"])) {
 			}
 		}
 
+		function supportsIndex($table_status) {
+			return $table_status["Engine"] != "view";
+		}
+
 		function hasCStyleEscapes() {
 			static $c_style;
 			if ($c_style === null) {
diff --git a/adminer/include/driver.inc.php b/adminer/include/driver.inc.php
index 2687a9d2..7e75edac 100644
--- a/adminer/include/driver.inc.php
+++ b/adminer/include/driver.inc.php
@@ -230,6 +230,14 @@ abstract class SqlDriver {
 		return false;
 	}
 
+	/** Check whether table supports indexes
+	* @param array result of table_status()
+	* @return bool
+	*/
+	function supportsIndex($table_status) {
+		return !is_view($table_status);
+	}
+
 	/** Get defined check constraints
 	* @param string
 	* @return array [$name => $clause]
diff --git a/adminer/table.inc.php b/adminer/table.inc.php
index b459816b..f3f388a1 100644
--- a/adminer/table.inc.php
+++ b/adminer/table.inc.php
@@ -26,16 +26,16 @@ if ($fields) {
 	$adminer->tableStructurePrint($fields);
 }
 
-if (!is_view($table_status)) {
-	if (support("indexes")) {
-		echo "<h3 id='indexes'>" . lang('Indexes') . "</h3>\n";
-		$indexes = indexes($TABLE);
-		if ($indexes) {
-			$adminer->tableIndexesPrint($indexes);
-		}
-		echo '<p class="links"><a href="' . h(ME) . 'indexes=' . urlencode($TABLE) . '">' . lang('Alter indexes') . "</a>\n";
+if (support("indexes") && $driver->supportsIndex($table_status)) {
+	echo "<h3 id='indexes'>" . lang('Indexes') . "</h3>\n";
+	$indexes = indexes($TABLE);
+	if ($indexes) {
+		$adminer->tableIndexesPrint($indexes);
 	}
+	echo '<p class="links"><a href="' . h(ME) . 'indexes=' . urlencode($TABLE) . '">' . lang('Alter indexes') . "</a>\n";
+}
 
+if (!is_view($table_status)) {
 	if (fk_support($table_status)) {
 		echo "<h3 id='foreign-keys'>" . lang('Foreign keys') . "</h3>\n";
 		$foreign_keys = foreign_keys($TABLE);
diff --git a/changes.txt b/changes.txt
index 72c9f163..3fa11069 100644
--- a/changes.txt
+++ b/changes.txt
@@ -2,6 +2,7 @@ Adminer dev:
 Fix bulk operations with tables
 Remove duplicate columns from select (bug #670)
 MariaDB: Fix link to status variable doc (bug #658)
+PostgreSQL: Support indexes on materialized views (PR #467)
 
 Adminer 5.0.0 (released 2025-03-07):
 Speed up with disabled output buffering