feat: ✨ let database handles creation times

migrations/20241204225135_create_user_table.up.sql

@@ -6,5 +6,6 @@ CREATE TABLE IF NOT EXISTS "user"(
     gender boolean NOT NULL,
     birth_date DATE NOT NULL,
     email VARCHAR(255) NOT NULL UNIQUE,
-    role_id BIGSERIAL NOT NULL REFERENCES "role"(id)
+    role_id BIGSERIAL NOT NULL REFERENCES "role"(id),
+    creation_time TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );

migrations/20241204225143_create_post_table.up.sql

@@ -1,6 +1,6 @@
 -- Add up migration script here
 CREATE TABLE IF NOT EXISTS "post"(
-    creation_time TIMESTAMPTZ PRIMARY KEY UNIQUE NOT NULL,
+    creation_time TIMESTAMPTZ PRIMARY KEY UNIQUE NOT NULL DEFAULT NOW(),
     poster_id BIGSERIAL NOT NULL REFERENCES "user"(id),
     post VARCHAR NOT NULL UNIQUE
 );

migrations/20241204225151_create_comment_table.up.sql

@@ -1,7 +1,7 @@
 -- Add up migration script here
 CREATE TABLE IF NOT EXISTS "comment"(
     post_creation_time TIMESTAMPTZ NOT NULL REFERENCES "post"(creation_time),
-    creation_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE,
+    creation_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE DEFAULT NOW(),
     commenter_id BIGSERIAL NOT NULL REFERENCES "user"(id),
     comment VARCHAR NOT NULL
 );

migrations/20241204230240_create_post_interaction_table.up.sql

@@ -3,5 +3,5 @@ CREATE TABLE IF NOT EXISTS "post_interaction"(
     post_creation_time TIMESTAMPTZ NOT NULL REFERENCES "post"(creation_time),
     interaction_id BIGSERIAL NOT NULL REFERENCES "interaction"(id),
     interactor_id BIGSERIAL NOT NULL REFERENCES "user"(id),
-    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE
+    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE DEFAULT NOW()
 );

migrations/20241204230248_create_comment_interaction_table.up.sql

@@ -3,5 +3,5 @@ CREATE TABLE IF NOT EXISTS "comment_interaction"(
     comment_creation_time TIMESTAMPTZ NOT NULL REFERENCES "comment"(creation_time),
     interaction_id BIGSERIAL NOT NULL REFERENCES "interaction"(id),
     interactor_id BIGSERIAL NOT NULL REFERENCES "user"(id),
-    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE
+    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE DEFAULT NOW()
 );