add indexes to join columns

Author: KavikaPalletenne

backend/migrations/20240406024211_create_organisations.sql

@@ -8,6 +8,7 @@ CREATE TABLE organisations (
 );
 
 CREATE TYPE organisation_role AS ENUM ('User', 'Admin');
+CREATE UNIQUE INDEX IDX_organisations_slug on organisations(slug);
 
 CREATE TABLE organisation_members (
     id BIGSERIAL PRIMARY KEY,
@@ -22,4 +23,4 @@ CREATE TABLE organisation_members (
 );
 
 
-CREATE INDEX IDX_organisation_admins_organisation on organisation_members(organisation_id);
+CREATE INDEX IDX_organisation_members_organisation on organisation_members(organisation_id);

backend/migrations/20240406025537_create_campaigns.sql

@@ -17,6 +17,9 @@ CREATE TABLE campaigns (
     UNIQUE (organisation_id, slug)
 );
 
+CREATE UNIQUE INDEX IDX_campaigns_organisation on campaigns(organisation_id);
+CREATE UNIQUE INDEX IDX_campaigns_slug on campaigns(slug);
+
 CREATE TABLE campaign_roles (
     id BIGINT PRIMARY KEY,
     campaign_id BIGINT NOT NULL,

backend/migrations/20240406031400_create_questions.sql

@@ -17,6 +17,8 @@ CREATE TABLE questions (
            ON UPDATE CASCADE
 );
 
+CREATE UNIQUE INDEX IDX_questions_campaign on questions(campaign_id);
+
 CREATE TABLE multi_option_question_options (
     id BIGINT PRIMARY KEY,
     text TEXT NOT NULL,
@@ -31,7 +33,7 @@ CREATE TABLE multi_option_question_options (
     UNIQUE (question_id, display_order)
 );
 
-CREATE INDEX IDX_multi_option_question_options_questions on multi_option_question_options(question_id);
+CREATE INDEX IDX_multi_option_question_options_question on multi_option_question_options(question_id);
 
 CREATE TABLE question_roles (
     id BIGSERIAL PRIMARY KEY,
@@ -52,5 +54,5 @@ CREATE TABLE question_roles (
     UNIQUE (question_id, role_id)
 );
 
-CREATE INDEX IDX_question_roles_questions on question_roles(question_id);
-CREATE INDEX IDX_question_roles_roles on question_roles(role_id);
+CREATE INDEX IDX_question_roles_question on question_roles(question_id);
+CREATE INDEX IDX_question_roles_role on question_roles(role_id);

backend/migrations/20240406031915_create_applications.sql

@@ -21,6 +21,9 @@ CREATE TABLE applications (
             ON UPDATE CASCADE
 );
 
+CREATE UNIQUE INDEX IDX_applications_campaign on applications(campaign_id);
+CREATE UNIQUE INDEX IDX_applications_user on applications(user_id);
+
 CREATE TABLE application_roles (
     id BIGSERIAL PRIMARY KEY,
     application_id BIGINT NOT NULL,
@@ -38,8 +41,8 @@ CREATE TABLE application_roles (
             ON UPDATE CASCADE
 );
 
-CREATE INDEX IDX_application_roles_applications on application_roles (application_id);
-CREATE INDEX IDX_application_roles_campaign_roles on application_roles (campaign_role_id);
+CREATE INDEX IDX_application_roles_application on application_roles(application_id);
+CREATE INDEX IDX_application_roles_campaign_role on application_roles(campaign_role_id);
 
 CREATE TABLE answers (
   id BIGINT PRIMARY KEY,
@@ -60,8 +63,8 @@ CREATE TABLE answers (
       DEFERRABLE INITIALLY DEFERRED
 );
 
-CREATE INDEX IDX_answers_applications on answers (application_id);
-CREATE INDEX IDX_answers_questions on answers (question_id);
+CREATE INDEX IDX_answers_application on answers(application_id);
+CREATE INDEX IDX_answers_question on answers(question_id);
 
 CREATE TABLE short_answer_answers (
     id BIGSERIAL PRIMARY KEY,
@@ -74,7 +77,7 @@ CREATE TABLE short_answer_answers (
             ON UPDATE CASCADE
 );
 
-CREATE INDEX IDX_short_answer_answers_answers on short_answer_answers (answer_id);
+CREATE INDEX IDX_short_answer_answers_answer on short_answer_answers(answer_id);
 
 CREATE TABLE multi_option_answer_options (
     id BIGSERIAL PRIMARY KEY,
@@ -93,6 +96,9 @@ CREATE TABLE multi_option_answer_options (
             ON UPDATE CASCADE
 );
 
+CREATE UNIQUE INDEX IDX_multi_option_answer_options_question_option on multi_option_answer_options(option_id);
+CREATE UNIQUE INDEX IDX_multi_option_answer_options_answer on multi_option_answer_options(answer_id);
+
 CREATE TABLE ranking_answer_rankings (
     id BIGSERIAL PRIMARY KEY,
     option_id BIGINT NOT NULL,
@@ -111,8 +117,8 @@ CREATE TABLE ranking_answer_rankings (
             ON UPDATE CASCADE
 );
 
-CREATE INDEX IDX_multi_option_answer_options_question_options on multi_option_answer_options(option_id);
-CREATE INDEX IDX_multi_option_answer_options_answers on multi_option_answer_options(answer_id);
+CREATE INDEX IDX_multi_option_answer_options_question_option on multi_option_answer_options(option_id);
+CREATE INDEX IDX_multi_option_answer_options_answer on multi_option_answer_options(answer_id);
 
 CREATE TABLE application_ratings (
     id BIGINT PRIMARY KEY,
@@ -134,5 +140,5 @@ CREATE TABLE application_ratings (
             ON UPDATE CASCADE
 );
 
-CREATE INDEX IDX_application_ratings_applications on application_ratings(application_id);
-CREATE INDEX IDX_application_ratings_users on application_ratings(rater_id);
+CREATE INDEX IDX_application_ratings_application on application_ratings(application_id);
+CREATE INDEX IDX_application_ratings_user on application_ratings(rater_id);

backend/migrations/20241124054711_email_templates.sql

@@ -10,4 +10,6 @@ CREATE TABLE email_templates (
             ON DELETE CASCADE
             ON UPDATE CASCADE,
     UNIQUE (organisation_id, name)
-);
+);
+
+CREATE UNIQUE INDEX IDX_email_templates_organisation on email_templates(organisation_id);

backend/migrations/20241126113027_offers.sql

@@ -29,4 +29,9 @@ CREATE TABLE offers (
             REFERENCES campaign_roles(id)
             ON DELETE CASCADE
             ON UPDATE CASCADE
-);
+);
+
+CREATE UNIQUE INDEX IDX_offers_campaign on offers(campaign_id);
+CREATE UNIQUE INDEX IDX_offers_application on offers(application_id);
+CREATE UNIQUE INDEX IDX_offers_email_template on offers(email_template_id);
+CREATE UNIQUE INDEX IDX_offers_role on offers(role_id);