From dadbb37f004242fdbca2fe8aa6f76186767483ae Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Sun, 23 May 2021 11:45:57 +0200
Subject: [PATCH] PostgreSQL: Don't reset table comments

---
 adminer/drivers/pgsql.inc.php | 2 +-
 changes.txt                   | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/adminer/drivers/pgsql.inc.php b/adminer/drivers/pgsql.inc.php
index d99efdd1..198e6429 100644
--- a/adminer/drivers/pgsql.inc.php
+++ b/adminer/drivers/pgsql.inc.php
@@ -534,7 +534,7 @@ ORDER BY connamespace, conname") as $row) {
 		} elseif ($alter) {
 			array_unshift($queries, "ALTER TABLE " . table($table) . "\n" . implode(",\n", $alter));
 		}
-		if ($table != "" || $comment != "") {
+		if ($comment !== null) {
 			$queries[] = "COMMENT ON TABLE " . table($name) . " IS " . q($comment);
 		}
 		if ($auto_increment != "") {
diff --git a/changes.txt b/changes.txt
index a9a2c3d2..08e7e982 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,6 +1,7 @@
 Adminer 4.8.2-dev:
 Support multi-line table comments
 MySQL: Use ST_SRID() instead of SRID() for MySQL 8 (PR #418)
+PostgreSQL: Don't reset table comments (regression from 4.2.0)
 PostgreSQL PDO: Allow editing rows identified by boolean column (PR #380)
 
 Adminer 4.8.1 (released 2021-05-14):