From 1a30f25311a2f971546bbd292c696ff74262bfb6 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Mon, 8 Aug 2011 18:18:16 +0200
Subject: [PATCH] Default trigger statement

---
 adminer/drivers/mssql.inc.php  | 3 +++
 adminer/drivers/mysql.inc.php  | 3 +++
 adminer/drivers/pgsql.inc.php  | 3 +++
 adminer/drivers/sqlite.inc.php | 3 +++
 adminer/trigger.inc.php        | 8 +++-----
 changes.txt                    | 1 +
 6 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/adminer/drivers/mssql.inc.php b/adminer/drivers/mssql.inc.php
index cce603d5..af0e47ee 100644
--- a/adminer/drivers/mssql.inc.php
+++ b/adminer/drivers/mssql.inc.php
@@ -521,6 +521,9 @@ WHERE OBJECT_NAME(i.object_id) = " . q($table)
 	}
 	
 	function trigger($name) {
+		if ($name == "") {
+			return array();
+		}
 		$rows = get_rows("SELECT s.name [Trigger],
 CASE WHEN OBJECTPROPERTY(s.id, 'ExecIsInsertTrigger') = 1 THEN 'INSERT' WHEN OBJECTPROPERTY(s.id, 'ExecIsUpdateTrigger') = 1 THEN 'UPDATE' WHEN OBJECTPROPERTY(s.id, 'ExecIsDeleteTrigger') = 1 THEN 'DELETE' END [Event],
 CASE WHEN OBJECTPROPERTY(s.id, 'ExecIsInsteadOfTrigger') = 1 THEN 'INSTEAD OF' ELSE 'AFTER' END [Timing],
diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index 27345b9a..7c546560 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -697,6 +697,9 @@ if (!defined("DRIVER")) {
 	* @return array array("Trigger" => , "Timing" => , "Event" => , "Statement" => )
 	*/
 	function trigger($name) {
+		if ($name == "") {
+			return array();
+		}
 		$rows = get_rows("SHOW TRIGGERS WHERE `Trigger` = " . q($name));
 		return reset($rows);
 	}
diff --git a/adminer/drivers/pgsql.inc.php b/adminer/drivers/pgsql.inc.php
index 9a3b7e64..0519a990 100644
--- a/adminer/drivers/pgsql.inc.php
+++ b/adminer/drivers/pgsql.inc.php
@@ -440,6 +440,9 @@ ORDER BY conkey, conname") as $row) {
 	}
 	
 	function trigger($name) {
+		if ($name == "") {
+			return array("Statement" => "EXECUTE PROCEDURE ()");
+		}
 		$rows = get_rows('SELECT trigger_name AS "Trigger", condition_timing AS "Timing", event_manipulation AS "Event", \'FOR EACH \' || action_orientation AS "Type", action_statement AS "Statement" FROM information_schema.triggers WHERE event_object_table = ' . q($_GET["trigger"]) . ' AND trigger_name = ' . q($name));
 		return reset($rows);
 	}
diff --git a/adminer/drivers/sqlite.inc.php b/adminer/drivers/sqlite.inc.php
index 46c440ad..979074a3 100644
--- a/adminer/drivers/sqlite.inc.php
+++ b/adminer/drivers/sqlite.inc.php
@@ -450,6 +450,9 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
 	
 	function trigger($name) {
 		global $connection;
+		if ($name == "") {
+			return array("Statement" => "BEGIN\n\t;\nEND\n");
+		}
 		preg_match('~^CREATE\\s+TRIGGER\\s*(?:[^`"\\s]+|`[^`]*`|"[^"]*")+\\s*([a-z]+)\\s+([a-z]+)\\s+ON\\s*(?:[^`"\\s]+|`[^`]*`|"[^"]*")+\\s*(?:FOR\\s*EACH\\s*ROW\\s)?(.*)~is', $connection->result("SELECT sql FROM sqlite_master WHERE name = " . q($name)), $match);
 		return array("Timing" => strtoupper($match[1]), "Event" => strtoupper($match[2]), "Trigger" => $name, "Statement" => $match[3]);
 	}
diff --git a/adminer/trigger.inc.php b/adminer/trigger.inc.php
index d072c263..66f500c0 100644
--- a/adminer/trigger.inc.php
+++ b/adminer/trigger.inc.php
@@ -20,11 +20,9 @@ if ($_POST && !$error && in_array($_POST["Timing"], $trigger_options["Timing"])
 
 page_header(($_GET["name"] != "" ? lang('Alter trigger') . ": " . h($_GET["name"]) : lang('Create trigger')), $error, array("table" => $TABLE));
 
-$row = array("Trigger" => $TABLE . "_bi");
-if ($_POST) {
-	$row = $_POST;
-} elseif ($_GET["name"] != "") {
-	$row = trigger($_GET["name"]);
+$row = $_POST;
+if (!$row) {
+	$row = trigger($_GET["name"]) + array("Trigger" => $TABLE . "_bi");
 }
 ?>
 
diff --git a/changes.txt b/changes.txt
index b8b4de3d..7742a19a 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,5 +1,6 @@
 Adminer 3.3.3-dev:
 Fix trigger export (SQLite)
+Default trigger statement (SQLite, PostgreSQL)
 
 Adminer 3.3.2 (released 2011-08-08):
 Display error with non-existent row in edit