diff options
author | Romain LE DISEZ <romain.git@ledisez.net> | 2009-07-25 19:06:54 +0200 |
---|---|---|
committer | Romain LE DISEZ <romain.git@ledisez.net> | 2009-07-25 19:06:54 +0200 |
commit | 23bb6eb7e35637c8a2124216dbb6d3246ad3d702 (patch) | |
tree | ff81a60c9deadcc1edda801d4680f567ee3a9b18 /modules/gallery/libraries/ORM_MPTT.php | |
parent | 0aa3ec3ae90a101b2bfc1b395a1749551da22287 (diff) |
Rename columns that use reserved SQL words : items.left and items.right
Diffstat (limited to 'modules/gallery/libraries/ORM_MPTT.php')
-rw-r--r-- | modules/gallery/libraries/ORM_MPTT.php | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/modules/gallery/libraries/ORM_MPTT.php b/modules/gallery/libraries/ORM_MPTT.php index e371f159..1917d738 100644 --- a/modules/gallery/libraries/ORM_MPTT.php +++ b/modules/gallery/libraries/ORM_MPTT.php @@ -52,14 +52,14 @@ class ORM_MPTT_Core extends ORM { try { // Make a hole in the parent for this new item $this->db->query( - "UPDATE {{$this->table_name}} SET `left` = `left` + 2 WHERE `left` >= {$parent->right}"); + "UPDATE {{$this->table_name}} SET `left_ptr` = `left_ptr` + 2 WHERE `left_ptr` >= {$parent->right_ptr}"); $this->db->query( - "UPDATE {{$this->table_name}} SET `right` = `right` + 2 WHERE `right` >= {$parent->right}"); - $parent->right += 2; + "UPDATE {{$this->table_name}} SET `right_ptr` = `right_ptr` + 2 WHERE `right_ptr` >= {$parent->right_ptr}"); + $parent->right_ptr += 2; // Insert this item into the hole - $this->left = $parent->right - 2; - $this->right = $parent->right - 1; + $this->left_ptr = $parent->right_ptr - 2; + $this->right_ptr = $parent->right_ptr - 1; $this->parent_id = $parent->id; $this->level = $parent->level + 1; $this->save(); @@ -81,7 +81,7 @@ class ORM_MPTT_Core extends ORM { if ($children) { foreach ($this->children() as $item) { // Deleting children affects the MPTT tree, so we have to reload each child before we - // delete it so that we have current left/right pointers. This is inefficient. + // delete it so that we have current left_ptr/right_ptr pointers. This is inefficient. // @todo load each child once, not twice. $item->reload()->delete(); } @@ -93,9 +93,9 @@ class ORM_MPTT_Core extends ORM { $this->lock(); try { $this->db->query( - "UPDATE {{$this->table_name}} SET `left` = `left` - 2 WHERE `left` > {$this->right}"); + "UPDATE {{$this->table_name}} SET `left_ptr` = `left_ptr` - 2 WHERE `left_ptr` > {$this->right_ptr}"); $this->db->query( - "UPDATE {{$this->table_name}} SET `right` = `right` - 2 WHERE `right` > {$this->right}"); + "UPDATE {{$this->table_name}} SET `right_ptr` = `right_ptr` - 2 WHERE `right_ptr` > {$this->right_ptr}"); } catch (Exception $e) { $this->unlock(); throw $e; @@ -111,7 +111,7 @@ class ORM_MPTT_Core extends ORM { * @return boolean */ function is_descendant($target) { - return ($this->left <= $target->left && $this->right >= $target->right); + return ($this->left_ptr <= $target->left_ptr && $this->right_ptr >= $target->right_ptr); } /** @@ -133,10 +133,10 @@ class ORM_MPTT_Core extends ORM { */ function parents() { return $this - ->where("`left` <= {$this->left}") - ->where("`right` >= {$this->right}") + ->where("`left_ptr` <= {$this->left_ptr}") + ->where("`right_ptr` >= {$this->right_ptr}") ->where("id <> {$this->id}") - ->orderby("left", "ASC") + ->orderby("left_ptr", "ASC") ->find_all(); } @@ -181,8 +181,8 @@ class ORM_MPTT_Core extends ORM { * @return object ORM_Iterator */ function descendants($limit=null, $offset=0, $type=null, $orderby=null) { - $this->where("left >", $this->left) - ->where("right <=", $this->right); + $this->where("left_ptr >", $this->left_ptr) + ->where("right_ptr <=", $this->right_ptr); if ($type) { $this->where("type", $type); } @@ -203,8 +203,8 @@ class ORM_MPTT_Core extends ORM { * @return integer child count */ function descendants_count($type=null) { - $this->where("left >", $this->left) - ->where("right <=", $this->right); + $this->where("left_ptr >", $this->left_ptr) + ->where("right_ptr <=", $this->right_ptr); if ($type) { $this->where("type", $type); } @@ -219,16 +219,16 @@ class ORM_MPTT_Core extends ORM { * @return ORM_MTPP */ function move_to($target) { - if ($this->left <= $target->left && - $this->right >= $target->right) { + if ($this->left_ptr <= $target->left_ptr && + $this->right_ptr >= $target->right_ptr) { throw new Exception("@todo INVALID_TARGET can't move item inside itself"); } - $number_to_move = (int)(($this->right - $this->left) / 2 + 1); + $number_to_move = (int)(($this->right_ptr - $this->left_ptr) / 2 + 1); $size_of_hole = $number_to_move * 2; - $original_left = $this->left; - $original_right = $this->right; - $target_right = $target->right; + $original_left_ptr = $this->left_ptr; + $original_right_ptr = $this->right_ptr; + $target_right_ptr = $target->right_ptr; $level_delta = ($target->level + 1) - $this->level; $this->lock(); @@ -237,45 +237,45 @@ class ORM_MPTT_Core extends ORM { // Update the levels for the to-be-moved items $this->db->query( "UPDATE {{$this->table_name}} SET `level` = `level` + $level_delta" . - " WHERE `left` >= $original_left AND `right` <= $original_right"); + " WHERE `left_ptr` >= $original_left_ptr AND `right_ptr` <= $original_right_ptr"); } // Make a hole in the target for the move $target->db->query( - "UPDATE {{$this->table_name}} SET `left` = `left` + $size_of_hole" . - " WHERE `left` >= $target_right"); + "UPDATE {{$this->table_name}} SET `left_ptr` = `left_ptr` + $size_of_hole" . + " WHERE `left_ptr` >= $target_right_ptr"); $target->db->query( - "UPDATE {{$this->table_name}} SET `right` = `right` + $size_of_hole" . - " WHERE `right` >= $target_right"); + "UPDATE {{$this->table_name}} SET `right_ptr` = `right_ptr` + $size_of_hole" . + " WHERE `right_ptr` >= $target_right_ptr"); // Change the parent. $this->db->query( "UPDATE {{$this->table_name}} SET `parent_id` = {$target->id}" . " WHERE `id` = {$this->id}"); - // If the source is to the right of the target then we just adjusted its left and right above. - $left = $original_left; - $right = $original_right; - if ($original_left > $target_right) { - $left += $size_of_hole; - $right += $size_of_hole; + // If the source is to the right of the target then we just adjusted its left_ptr and right_ptr above. + $left_ptr = $original_left_ptr; + $right_ptr = $original_right_ptr; + if ($original_left_ptr > $target_right_ptr) { + $left_ptr += $size_of_hole; + $right_ptr += $size_of_hole; } - $new_offset = $target->right - $left; + $new_offset = $target->right_ptr - $left_ptr; $this->db->query( "UPDATE {{$this->table_name}}" . - " SET `left` = `left` + $new_offset," . - " `right` = `right` + $new_offset" . - " WHERE `left` >= $left" . - " AND `right` <= $right"); + " SET `left_ptr` = `left_ptr` + $new_offset," . + " `right_ptr` = `right_ptr` + $new_offset" . + " WHERE `left_ptr` >= $left_ptr" . + " AND `right_ptr` <= $right_ptr"); // Close the hole in the source's parent after the move $this->db->query( - "UPDATE {{$this->table_name}} SET `left` = `left` - $size_of_hole" . - " WHERE `left` > $right"); + "UPDATE {{$this->table_name}} SET `left_ptr` = `left_ptr` - $size_of_hole" . + " WHERE `left_ptr` > $right_ptr"); $this->db->query( - "UPDATE {{$this->table_name}} SET `right` = `right` - $size_of_hole" . - " WHERE `right` > $right"); + "UPDATE {{$this->table_name}} SET `right_ptr` = `right_ptr` - $size_of_hole" . + " WHERE `right_ptr` > $right_ptr"); } catch (Exception $e) { $this->unlock(); throw $e; |