new usersnet schema and viewes created

[brisk.git] / sql / sql.d / 075-users-network.sql

diff --git a/sql/sql.d/075-users-network.sql b/sql/sql.d/075-users-network.sql
index 9356b37..d6c2f61 100644 (file)
--- a/sql/sql.d/075-users-network.sql
+++ b/sql/sql.d/075-users-network.sql
@@ -5,11 +5,14 @@ DROP TABLE IF EXISTS #PFX#usersnet;
 CREATE TABLE #PFX#usersnet (
        owner      integer REFERENCES #PFX#users (code)
                   ON DELETE cascade ON UPDATE cascade, -- network owner
+       inher      integer NULL REFERENCES #PFX#users (code)
+                  ON DELETE cascade ON UPDATE cascade, -- inheriting user
        target     integer REFERENCES #PFX#users (code)
                   ON DELETE cascade ON UPDATE cascade, -- evaluated user
        friend     integer,                             -- friendship level
-       skill      integer,                             -- skill level
-       trust      integer,                             -- auth
+                       -- 1"black", 2"unknown", 3"test", 4"friend", 5"bff"
+       skill      float,                               -- skill level
+       trust      float,                               -- auth
        ctime      timestamp DEFAULT now(),             -- creation time
        mtime      timestamp DEFAULT to_timestamp(0)    -- modification time
        );
@@ -17,8 +20,28 @@ CREATE TABLE #PFX#usersnet (
 DROP INDEX IF EXISTS #PFX#usersnet_owner_idx;
 DROP INDEX IF EXISTS #PFX#usersnet_target_idx;
 DROP INDEX IF EXISTS #PFX#usersnet_owner_target_idx;
+DROP INDEX IF EXISTS #PFX#usersnet_owner_inher_idx;
+DROP INDEX IF EXISTS #PFX#usersnet_owner_target_inher_idx;
+
 CREATE INDEX #PFX#usersnet_owner_idx ON #PFX#usersnet (owner);
 CREATE INDEX #PFX#usersnet_target_idx ON #PFX#usersnet (target);
-CREATE UNIQUE INDEX #PFX#usersnet_owner_target_idx ON #PFX#usersnet (owner,target);
+CREATE INDEX #PFX#usersnet_owner_target_idx ON #PFX#usersnet (owner, target);
+CREATE INDEX #PFX#usersnet_owner_inher_idx ON #PFX#usersnet (owner,inher);
+CREATE UNIQUE INDEX #PFX#usersnet_owner_target_inher_idx ON #PFX#usersnet (owner, target, inher);
+
+DROP VIEW #PFX#usersnet_wideskill;
+CREATE VIEW #PFX#usersnet_wideskill
+    AS SELECT un.owner, ur.target, SUM(ur.skill * un.trust) / SUM(un.trust) as skill, count(*) as count
+        FROM bsk_usersnet AS un, bsk_usersnet AS ur
+        WHERE un.owner = 10101                           -- owner is xxx
+            AND un.target = ur.owner AND un.friend >= 4  -- 'un' is, at least, our friend
+        GROUP BY un.owner, ur.target;
 
+DROP VIEW #PFX#usersnet_narrowskill;
+CREATE VIEW #PFX#usersnet_narrowskill
+    AS SELECT un.owner, ur.target, SUM(ur.skill * un.trust) / SUM(un.trust) as skill, count(*) as count
+        FROM bsk_usersnet AS un, bsk_usersnet AS ur      -- 'un' primary records, 'ur' inheriting records
+        WHERE un.owner = 10101                           -- owner is xxx
+            AND un.target = ur.owner AND un.friend = 5   -- 'un' is, at least, our friend
+        GROUP BY un.owner, ur.target;