Add hint + improve code

views/logs_overview.sql

@@ -1,17 +1,16 @@
 CREATE OR REPLACE VIEW logs_overview AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                        AS app_id,
-        app.get_item('$RECENT_LOG_ID')  AS recent_log_id,
+        app.get_number_item('$RECENT_LOG_ID')   AS recent_log_id,
         app.get_item('$FLAG')                   AS flag,
-        app.get_item('$PAGE_ID')        AS page_id,
+        app.get_number_item('$PAGE_ID')         AS page_id,
         app.get_item('$USER_ID')                AS user_id,
-        app.get_item('$SESSION_ID')     AS session_id,
+        app.get_number_item('$SESSION_ID')      AS session_id,
         app.get_item('$MODULE_NAME')            AS module_name,
         app.get_item('$ACTION_NAME')            AS action_name,
         app.get_date_item('G_TODAY')            AS today
-    FROM users u
+    FROM DUAL
-    WHERE u.user_id = app.get_user_id()
 )
 SELECT
     l.log_id,

views/logs_tree.sql

@@ -1,4 +1,10 @@
 CREATE OR REPLACE FORCE VIEW logs_tree AS
+WITH x AS (
+    SELECT /*+ MATERIALIZE */
+        app.get_app_id()        AS app_id,
+        app.get_log_tree_id()   AS log_id
+    FROM DUAL
+)
 SELECT
     l.log_id,
     l.log_parent,
@@ -15,9 +21,10 @@ SELECT
     l.session_id,
     l.created_at
 FROM logs l
+CROSS JOIN x
 CONNECT BY l.log_parent = PRIOR l.log_id
-START WITH l.log_id     = app.get_log_tree_id()
+START WITH l.log_id     = x.log_id
-    AND l.app_id        IN (app.get_app_id(), 0)
+    AND l.app_id        IN (x.app_id, 0)
 ORDER SIBLINGS BY l.log_id;
 --
 COMMENT ON TABLE  logs_tree                     IS '[CORE - DASHBOARD] All messages related to selected tree id (`app.get_log_tree_id()`)';

views/nav_regions.sql

@@ -1,13 +1,10 @@
 CREATE OR REPLACE VIEW nav_regions AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
-        app.get_item('$PAGE_ID')        AS page_id,
+        app.get_app_id()                    AS app_id,
-        app.get_item('$AUTH_SCHEME')    AS auth_scheme,
+        app.get_number_item('$PAGE_ID')     AS page_id,
-        a.app_id
+        app.get_item('$AUTH_SCHEME')        AS auth_scheme
-    FROM users u
+    FROM DUAL
-    JOIN apps a
-        ON a.app_id         = app.get_app_id()
-    WHERE u.user_id         = app.get_user_id()
 ),
 c AS (
     SELECT

views/obj_tables_ref_pages.sql

@@ -1,10 +1,10 @@
 CREATE OR REPLACE VIEW obj_tables_ref_pages AS
 WITH x AS (
-    SELECT
+    SELECT /*+ MATERIALIZE */
         app.get_app_id()                AS app_id,
+        app.get_owner()                 AS owner_,
         app.get_item('$TABLE_NAME')     AS table_name
-    FROM users u
+    FROM DUAL
-    WHERE u.user_id = app.get_user_id()
 )
 SELECT
     r.page_id,
@@ -31,7 +31,7 @@ WHERE r.query_type_code     = 'TABLE'
             SELECT DISTINCT d.name                  AS view_name
             FROM user_dependencies d
             CROSS JOIN x
-            WHERE d.referenced_owner                = app.get_owner()
+            WHERE d.referenced_owner                = x.owner_
                 AND d.type                          = 'VIEW'
             CONNECT BY NOCYCLE d.referenced_name    = PRIOR d.name
                 AND d.referenced_type               = 'VIEW'

views/sessions_overview.sql

@@ -1,15 +1,24 @@
 CREATE OR REPLACE VIEW sessions_overview AS
-WITH s AS (
+WITH x AS (
+    SELECT /*+ MATERIALIZE */
+        app.get_app_id()                        AS app_id,
+        app.get_number_item('$SESSION_ID')      AS session_id,
+        app.get_item('$USER_ID')                AS user_id,
+        app.get_date_item('G_TODAY')            AS today
+    FROM DUAL
+),
+s AS (
     SELECT
         s.*,
         TRUNC(s.created_at)         AS today
     FROM sessions s
-    WHERE s.app_id          = app.get_app_id()
+    JOIN x
-        AND (s.session_id   = app.get_item('$SESSION_ID')   OR app.get_item('$SESSION_ID')  IS NULL)
+        ON s.app_id         = x.app_id
-        AND (s.user_id      = app.get_item('$USER_ID')      OR app.get_item('$USER_ID')     IS NULL)
+        AND (s.session_id   = x.session_id  OR x.session_id IS NULL)
+        AND (s.user_id      = x.user_id     OR x.user_id    IS NULL)
         --
-        AND s.created_at    >= app.get_date_item('G_TODAY')
+        AND s.created_at    >= x.today
-        AND s.created_at    < app.get_date_item('G_TODAY') + 1
+        AND s.created_at    < x.today + 1
 ),
 l AS (
     SELECT