From: Matteo Nastasi (mop) <nastasi@alternativeoutput.it>
Date: Thu, 26 Nov 2015 17:25:37 +0000 (+0100)
Subject: new usersnet schema and viewes created
X-Git-Tag: v5.3.0~39
X-Git-Url: http://mop.ddnsfree.com/gitweb/?p=brisk.git;a=commitdiff_plain;h=330d75c856cac51f3136b1ab1791c8ef8c564ac0

new usersnet schema and viewes created
---

diff --git a/sql/sql.d/075-users-network.sql b/sql/sql.d/075-users-network.sql
index 9356b37..d6c2f61 100644
--- 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;
 
diff --git a/sql/sql.d/910-usernet-sql.devel b/sql/sql.d/910-usernet-sql.devel
index cbd0954..2138d71 100644
--- a/sql/sql.d/910-usernet-sql.devel
+++ b/sql/sql.d/910-usernet-sql.devel
@@ -1,5 +1,25 @@
-DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND friend = 10102;
-INSERT INTO  #PFX#usersnet (owner, target, friend, skill, trust) VALUES (10101, 10102, 3, 2, 3);
-DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND friend = 10107;
-INSERT INTO  #PFX#usersnet (owner, target, friend, skill, trust) VALUES (10101, 10107, 3, 3, 4);
+-- primary owner 10101
+DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND inher = 10101 AND target = 10102;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10101, 10101, 10102, 4, 2, 5);
+DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND inher = 10101 AND target = 10103;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10101, 10101, 10103, 5, 2, 3);
+-- primary owner: discarded target
+DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND inher = 10101 AND target = 10104;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10101, 10101, 10104, 1, 2, 5);
+
+-- secondary owners for 10101
+DELETE FROM  #PFX#usersnet WHERE owner = 10102 AND inher = 10102 AND target = 10105;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10102, 10102, 10105, 4, 2, 3);
+DELETE FROM  #PFX#usersnet WHERE owner = 10103 AND inher = 10103 AND target = 10105;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10103, 10103, 10105, 4, 3, 4);
+DELETE FROM  #PFX#usersnet WHERE owner = 10104 AND inher = 10104 AND target = 10105;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10104, 10104, 10105, 4, 5, 4);
+
+DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND inher = 10101 AND target = 10107;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10101, 10101, 10107, 3, 3, 4);
+DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND inher is NULL AND target = 10107;
+INSERT INTO  #PFX#usersnet (owner, inher, target, friend, skill, trust) VALUES (10101, NULL, 10107, 3, 3, 4);
+
+SELECT * FROM bsk_usersnet_wideskill;
+SELECT * FROM bsk_usersnet_narrowskill;