remove UNIQUE on join column indexes

Author: KavikaPalletenne

backend/migrations/20240406024211_create_organisations.sql

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

backend/migrations/20240406025537_create_campaigns.sql

@@ -17,8 +17,8 @@ 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 INDEX IDX_campaigns_organisation on campaigns(organisation_id);
+CREATE INDEX IDX_campaigns_slug on campaigns(slug);
 
 CREATE TABLE campaign_roles (
     id BIGINT PRIMARY KEY,

backend/migrations/20240406031400_create_questions.sql

@@ -17,7 +17,7 @@ CREATE TABLE questions (
            ON UPDATE CASCADE
 );
 
-CREATE UNIQUE INDEX IDX_questions_campaign on questions(campaign_id);
+CREATE INDEX IDX_questions_campaign on questions(campaign_id);
 
 CREATE TABLE multi_option_question_options (
     id BIGINT PRIMARY KEY,

backend/migrations/20240406031915_create_applications.sql

@@ -21,8 +21,8 @@ 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 INDEX IDX_applications_campaign on applications(campaign_id);
+CREATE INDEX IDX_applications_user on applications(user_id);
 
 CREATE TABLE application_roles (
     id BIGSERIAL PRIMARY KEY,
@@ -96,8 +96,8 @@ 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 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 ranking_answer_rankings (
     id BIGSERIAL PRIMARY KEY,

backend/migrations/20241124054711_email_templates.sql

@@ -12,4 +12,4 @@ CREATE TABLE email_templates (
     UNIQUE (organisation_id, name)
 );
 
-CREATE UNIQUE INDEX IDX_email_templates_organisation on email_templates(organisation_id);
+CREATE INDEX IDX_email_templates_organisation on email_templates(organisation_id);

backend/migrations/20241126113027_offers.sql

@@ -31,7 +31,7 @@ CREATE TABLE offers (
             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);
+CREATE INDEX IDX_offers_campaign on offers(campaign_id);
+CREATE INDEX IDX_offers_application on offers(application_id);
+CREATE INDEX IDX_offers_email_template on offers(email_template_id);
+CREATE INDEX IDX_offers_role on offers(role_id);