From c34ada5368c445cd189edf8eda2b5dfaefde5910 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Tue, 6 Feb 2018 12:43:10 +0100
Subject: [PATCH] PostgreSQL: Fix condition for selecting no rows

---
 adminer/include/adminer.inc.php | 2 +-
 changes.txt                     | 1 +
 editor/include/adminer.inc.php  | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index 4475d7ff..645281bf 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -550,7 +550,7 @@ class Adminer {
 							$cols[] = $prefix . ($jush == "sql" && $is_text && !preg_match("~^utf8~", $field["collation"]) ? "CONVERT($name USING " . charset($connection) . ")" : $name) . $cond;
 						}
 					}
-					$return[] = ($cols ? "(" . implode(" OR ", $cols) . ")" : "0");
+					$return[] = ($cols ? "(" . implode(" OR ", $cols) . ")" : "1 = 0");
 				}
 			}
 		}
diff --git a/changes.txt b/changes.txt
index 033cb7c8..71a965fd 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,5 +1,6 @@
 Adminer 4.6.1-dev:
 PostgreSQL: Don't treat interval type as number (bug #474)
+PostgreSQL: Fix condition for selecting no rows
 
 Adminer 4.6.0 (released 2018-02-05):
 Fix counting selected rows after going back to select page
diff --git a/editor/include/adminer.inc.php b/editor/include/adminer.inc.php
index 2117bf29..241e917b 100644
--- a/editor/include/adminer.inc.php
+++ b/editor/include/adminer.inc.php
@@ -360,7 +360,7 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 						}
 					}
 				}
-				$return[] = ($conds ? "(" . implode(" OR ", $conds) . ")" : "0");
+				$return[] = ($conds ? "(" . implode(" OR ", $conds) . ")" : "1 = 0");
 			}
 		}
 		return $return;