change table alias

3f5854fb071a4bc26fcbc6c328df1603ea209dea · developerworks · May 22, 2017 11:06

+14 −14 · 1 file changed

mysql/p_get_tree.sql +14 −14

diff --git a/mysql/p_get_tree.sql b/mysql/p_get_tree.sql
index 2170839..62e2efb 100644
--- a/mysql/p_get_tree.sql
+++ b/mysql/p_get_tree.sql
@@ -9,26 +9,26 @@ CREATE PROCEDURE `p_get_tree`(
 ) COMMENT 'Query all descendants nodes by a node id, return as a result set'
 BEGIN
   SELECT
-    d.`id`,
-    d.`is_deleted`,
-    d.`parent_id`,
+    node.`id`,
+    node.`is_deleted`,
+    node.`parent_id`,
     CONCAT(
-        REPEAT('-', p.`path_length`),
-        d.`name`
-    ) AS tree,
-    p.`path_length`,
+        REPEAT('-', path.`path_length`),
+        node.`name`
+    ) AS name,
+    path.`path_length`,
     GROUP_CONCAT(
         crumbs.`ancestor_id` SEPARATOR ','
     ) AS breadcrumbs
   FROM
-    `prefix_nodes` AS d
-    JOIN `prefix_nodes_paths` AS p
-      ON d.`id` = p.`descendant_id`
+    `prefix_nodes` AS node
+    JOIN `prefix_nodes_paths` AS path
+      ON node.`id` = path.`descendant_id`
     JOIN `prefix_nodes_paths` AS crumbs
-      ON crumbs.`descendant_id` = p.`descendant_id`
-  WHERE p.`ancestor_id` = `node_id`
-    AND d.`is_deleted` = 0
-  GROUP BY d.`id`
+      ON crumbs.`descendant_id` = path.`descendant_id`
+  WHERE path.`ancestor_id` = `node_id`
+    AND node.`is_deleted` = 0
+  GROUP BY node.`id`
   ORDER BY breadcrumbs ;
 END$$