From f58b8aa55e9a5fc2c566225d92e78fd592d560cd Mon Sep 17 00:00:00 2001
From: mdean <mdean@alumni.egroupware.org>
Date: Sun, 1 Jul 2001 17:04:42 +0000
Subject: [PATCH] Tidy up function for limit_query.

---
 phpgwapi/inc/class.db_mysql.inc.php | 18 +-----------------
 phpgwapi/inc/class.db_pgsql.inc.php | 18 +++++++++++++++++-
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/phpgwapi/inc/class.db_mysql.inc.php b/phpgwapi/inc/class.db_mysql.inc.php
index 8903edf12a..3701dc93d4 100644
--- a/phpgwapi/inc/class.db_mysql.inc.php
+++ b/phpgwapi/inc/class.db_mysql.inc.php
@@ -170,15 +170,6 @@ class db {
   {
     global $phpgw_info;
 
-    if ($Query_String == '')
-      return 0;
-
-    if (!$this->connect())
-      return 0; // we already complained in connect() about that.
-
-    if ($this->Query_ID)
-      $this->free();
-
     if ($this->Debug)
       printf("Debug: limit_query = %s<br>offset=%d, num_rows=%d<br>\n", $Query_String, $offset, $num_rows);
 
@@ -187,14 +178,7 @@ class db {
 
     $Query_String .= ' LIMIT ' . $offset . ',' . $num_rows;
 
-    $this->Query_ID = @mysql_query($Query_String, $this->Link_ID);
-    $this->Row   = 0;
-    $this->Errno = mysql_errno();
-    $this->Error = mysql_error();
-    if (!$this->Query_ID)
-       $this->halt('Invalid SQL: ' . $Query_String, $line, $file);
-
-    return $this->Query_ID;
+    return $this->query($Query_String, $line, $file);
   }
 
   /* public: walk result set */
diff --git a/phpgwapi/inc/class.db_pgsql.inc.php b/phpgwapi/inc/class.db_pgsql.inc.php
index e96880f65e..23cd179baa 100644
--- a/phpgwapi/inc/class.db_pgsql.inc.php
+++ b/phpgwapi/inc/class.db_pgsql.inc.php
@@ -105,6 +105,22 @@ class db {
     return $this->Query_ID;
   }
 
+  // public: perform a query with limited result set
+  function limit_query($Query_String, $offset, $num_rows, $line = '', $file = '')
+  {
+    global $phpgw_info;
+
+    if ($this->Debug)
+      printf("Debug: limit_query = %s<br>offset=%d, num_rows=%d<br>\n", $Query_String, $offset, $num_rows);
+
+    if (!IsSet($num_rows) || $num_rows < 1)
+      $num_rows = $phpgw_info['user']['preferences']['common']['maxmatchs'];
+
+    $Query_String .= ' LIMIT ' . $offset . ',' . $num_rows;
+
+    return $this->query($Query_String, $line, $file);
+  }
+
   // public: discard the query result
   function free() {
     @pg_freeresult($this->Query_ID);
@@ -355,4 +371,4 @@ class db {
 		$this->connect();
 		//return $return;
   }
-}
\ No newline at end of file
+}