From 8ec63d6b0df2ee492a748a3c3abe3bd0ea192c61 Mon Sep 17 00:00:00 2001
From: Alexander Sergeev <alexander8168619@yandex.ru>
Date: Sun, 3 Dec 2023 22:27:48 +0300
Subject: [PATCH 1/2] Update README.md

---
 README.md | 79 +++++++++++++------------------------------------------
 1 file changed, 18 insertions(+), 61 deletions(-)

diff --git a/README.md b/README.md
index d359a0d..f758fcb 100644
--- a/README.md
+++ b/README.md
@@ -1,91 +1,48 @@
 # java-filmorate
 Template repository for Filmorate project.
 
-![filmorate ER diagram](https://github.com/sergeev-alexander/java-filmorate/assets/131286043/143683b3-4936-420f-9083-0368b108f0f6)
-
+![filmorate_er_diagram](https://github.com/sergeev-alexander/java-filmorate/assets/131286043/bf1037cb-e730-4839-a883-6f735de7e089)
 
 -- SOME QUERRY EXAMPLES --
 ```
+
 -- get film by <film_id>
 
 SELECT *
 FROM films
-WHERE films.film_id = <film_id>;
+WHERE film_id = <film_id>;
 
 
--- get film genre names by <film_id>
-
-SELECT genres.name
-FROM films
-INNER JOIN film_genres USING (film_id)
-INNER JOIN genres USING (genre_id)
-WHERE films.film_id = <film_id>;
-
-
--- get films by <genre_name>
+-- get film genres by <film_id>
 
 SELECT *
-FROM films
-INNER JOIN film_genre USING (film_id)
-INNER JOIN genres USING (genre_id)
-WHERE genres.name = '<genre_name>';
+FROM genres
+INNER JOIN film_genres USING (genre_id)
+INNER JOIN films USING (film_id)
+WHERE films.film_id = <film_id>;
 
 
--- get films by <mpa_name>
+-- get mpa by <film_id>
 
 SELECT *
-FROM films
-INNER JOIN mpa_ratings USING (mpa_id)
-WHERE mpa.name = '<mpa_name>';
+FROM mpa_ratings
+INNER JOIN films USING (mpa_id)
+WHERE films.film_id = '<film_id>';
 
 
--- get <film_id> likes quantity
+-- get rates by <film_id>
 
-SELECT COUNT(likes.film_id)
-FROM likes
-WHERE likes.film_id = <film_id>;
+SELECT user_id
+FROM rates
+WHERE film_id = <film_id>;
 
 
---get users liked <film_id>
+--get users friends by <user_id>
 
 SELECT *
 FROM users
-INNER JOIN likes USING (film_id)
-WHERE likes.film_id = <film_id>;
-
-
--- get liked films by <user_id>
-
-SELECT *
-FROM films
-INNER JOIN likes USING (user_id)
+INNER JOIN frienships USING (user_id)
 WHERE user_id = <user_id>;
-
-
--- get <user_id> friends in status <frendship_status.name>
--- friendship_statuses contains {1 = send_offer, 2 = received_offer, 3 = friends}
-
-SELECT *
-FROM users
-INNER JOIN friendships USING (user_id)
-INNER JOIN friendship_statuses USING (friendship_status_id)
-WHERE friendships.user_id = <user_id>
-	AND frendship_statuses.name = '<frendship_status.name>';
-
-
--- get <user_id> NOT friends
-
-SELECT *
-FROM users
-WHERE users.user_id NOT IN (SELECT friend_id
-			    FROM friendships
-			    WHERE friendships.user_id = <user_id>);
-
-
--- get <user_id> friends quantity in status <frendship_status.name>
--- friendship_statuses contains {1 = send_offer, 2 = received_offer, 3 = friends}
-
-SELECT COUNT(*)
 FROM users
 INNER JOIN friendships USING (user_id)
 INNER JOIN friendship_statuses USING (friendship_status_id)

From 3cf27dff28c5072141e705e0bed4f973cce1a8fd Mon Sep 17 00:00:00 2001
From: Alexander Sergeev <alexander8168619@yandex.ru>
Date: Sun, 3 Dec 2023 22:28:37 +0300
Subject: [PATCH 2/2] Update README.md

---
 README.md | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/README.md b/README.md
index f758fcb..c747d39 100644
--- a/README.md
+++ b/README.md
@@ -36,16 +36,4 @@ SELECT user_id
 FROM rates
 WHERE film_id = <film_id>;
 
-
---get users friends by <user_id>
-
-SELECT *
-FROM users
-INNER JOIN frienships USING (user_id)
-WHERE user_id = <user_id>;
-FROM users
-INNER JOIN friendships USING (user_id)
-INNER JOIN friendship_statuses USING (friendship_status_id)
-WHERE friendships.user_id = <user_id>
-	AND frendship_statuses.name = '<frendship_status.name>';
 ```