Create unique keys

app/models/entry_request.rb

@@ -10,7 +10,8 @@
 #
 # Indexes
 #
-#  bel_tipus_idx  (entry_type)
+#  bel_tipus_idx                                      (entry_type)
+#  index_entry_requests_on_evaluation_id_and_user_id  (evaluation_id,user_id) UNIQUE
 #
 # Foreign Keys
 #

app/models/point_detail.rb

@@ -7,6 +7,10 @@
 #  point_request_id :integer
 #  principle_id     :integer
 #
+# Indexes
+#
+#  index_point_details_on_principle_id_and_point_request_id  (principle_id,point_request_id) UNIQUE
+#
 # Foreign Keys
 #
 #  fk_rails_...  (point_request_id => point_requests.id)

app/models/point_history.rb

@@ -7,6 +7,10 @@
 #  semester :string(9)        not null
 #  user_id  :bigint           not null
 #
+# Indexes
+#
+#  index_point_histories_on_user_id_and_semester  (user_id,semester) UNIQUE
+#
 # Foreign Keys
 #
 #  point_history_usr_id_fkey  (user_id => users.id)

app/models/post.rb

@@ -8,7 +8,8 @@
 #
 # Indexes
 #
-#  poszt_fk_idx  (membership_id)
+#  index_posts_on_membership_id_and_post_type_id  (membership_id,post_type_id) UNIQUE
+#  poszt_fk_idx                                   (membership_id)
 #
 # Foreign Keys
 #

db/migrate/20200722171738_add_index_to_entry_request.rb

@@ -0,0 +1,5 @@
+class AddIndexToEntryRequest < ActiveRecord::Migration[5.0]
+  def change
+    add_index :entry_requests, [:evaluation_id, :user_id], unique: true
+  end
+end

db/migrate/20200722171937_add_index_to_point_detail.rb

@@ -0,0 +1,5 @@
+class AddIndexToPointDetail < ActiveRecord::Migration[5.0]
+  def change
+    add_index :point_details, [:principle_id, :point_request_id], unique: true
+  end
+end

db/migrate/20200722172424_add_index_to_post.rb

@@ -0,0 +1,5 @@
+class AddIndexToPost < ActiveRecord::Migration[5.0]
+  def change
+    add_index :posts, [:membership_id, :post_type_id], unique: true
+  end
+end

db/migrate/20200722173131_add_index_to_point_history.rb

@@ -0,0 +1,5 @@
+class AddIndexToPointHistory < ActiveRecord::Migration[5.0]
+  def change
+    add_index :point_histories, [:user_id, :semester], unique: true
+  end
+end

db/structure.sql

@@ -1099,6 +1099,13 @@ CREATE INDEX idx_groups_grp_name ON public.groups USING btree (name);
 CREATE INDEX idx_groups_grp_type ON public.groups USING btree (grp_type);
 
 
+--
+-- Name: index_entry_requests_on_evaluation_id_and_user_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE UNIQUE INDEX index_entry_requests_on_evaluation_id_and_user_id ON public.entry_requests USING btree (evaluation_id, user_id);
+
+
 --
 -- Name: index_notifications_on_group_owner_id; Type: INDEX; Schema: public; Owner: -
 --
@@ -1148,13 +1155,34 @@ CREATE INDEX index_point_detail_comments_on_point_detail_id ON public.point_deta
 CREATE INDEX index_point_detail_comments_on_user_id ON public.point_detail_comments USING btree (user_id);
 
 
+--
+-- Name: index_point_details_on_principle_id_and_point_request_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE UNIQUE INDEX index_point_details_on_principle_id_and_point_request_id ON public.point_details USING btree (principle_id, point_request_id);
+
+
+--
+-- Name: index_point_histories_on_user_id_and_semester; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE UNIQUE INDEX index_point_histories_on_user_id_and_semester ON public.point_histories USING btree (user_id, semester);
+
+
 --
 -- Name: index_point_requests_on_evaluation_id_and_user_id; Type: INDEX; Schema: public; Owner: -
 --
 
 CREATE UNIQUE INDEX index_point_requests_on_evaluation_id_and_user_id ON public.point_requests USING btree (evaluation_id, user_id);
 
 
+--
+-- Name: index_posts_on_membership_id_and_post_type_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE UNIQUE INDEX index_posts_on_membership_id_and_post_type_id ON public.posts USING btree (membership_id, post_type_id);
+
+
 --
 -- Name: index_subscriptions_on_key; Type: INDEX; Schema: public; Owner: -
 --
@@ -1490,6 +1518,10 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20200127202810'),
 ('20200204185955'),
 ('20200611204210'),
-('20200722112521');
+('20200722112521'),
+('20200722171738'),
+('20200722171937'),
+('20200722172424'),
+('20200722173131');