From 3927dea8a08927d7d1dd4254bee6c6d66994a202 Mon Sep 17 00:00:00 2001
From: Nicola Galgano <optimus4joomla@gmail.com>
Date: Mon, 19 Aug 2024 15:09:59 +0200
Subject: [PATCH] postgresql 16 release (#295)

---
 src/Pgsql/PgsqlDriver.php | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/Pgsql/PgsqlDriver.php b/src/Pgsql/PgsqlDriver.php
index dcd27ab4..86ee0872 100644
--- a/src/Pgsql/PgsqlDriver.php
+++ b/src/Pgsql/PgsqlDriver.php
@@ -111,7 +111,13 @@ public function connect()
      */
     public function getCollation()
     {
-        $this->setQuery('SHOW LC_COLLATE');
+        // https://www.postgresql.org/docs/current/release-16.html
+        if (version_compare($this->getVersion(), '16.0', '>=')) {
+            $this->setQuery('SELECT datcollate AS lc_collate FROM pg_database WHERE datname = current_database()');
+        } else {
+            $this->setQuery('SHOW LC_COLLATE');
+        }
+
         $array = $this->loadAssocList();
 
         return $array[0]['lc_collate'];
@@ -127,7 +133,13 @@ public function getCollation()
      */
     public function getConnectionCollation()
     {
-        $this->setQuery('SHOW LC_COLLATE');
+        // https://www.postgresql.org/docs/current/release-16.html
+        if (version_compare($this->getVersion(), '16.0', '>=')) {
+            $this->setQuery('SELECT datcollate AS lc_collate FROM pg_database WHERE datname = current_database()');
+        } else {
+            $this->setQuery('SHOW LC_COLLATE');
+        }
+
         $array = $this->loadAssocList();
 
         return $array[0]['lc_collate'];