refactor: schema.sql에 bytes 제거된 테이블 생성하게 변경 & 테이블 없을 시 생성하게 개선

src/main/resources/schema.sql

@@ -1,4 +1,4 @@
-CREATE TABLE users
+CREATE TABLE IF NOT EXISTS users
 (
     id         UUID PRIMARY KEY,
     created_at timestamptz         NOT NULL,
@@ -8,7 +8,7 @@ CREATE TABLE users
     password   varchar(60)         NOT NULL,
     profile_id UUID unique
 );
-CREATE TABLE channels
+CREATE TABLE IF NOT EXISTS channels
 (
     id          UUID PRIMARY KEY,
     created_at  timestamptz                                       NOT NULL,
@@ -17,7 +17,7 @@ CREATE TABLE channels
     description varchar(500),
     type        varchar(10) check (type in ('PUBLIC', 'PRIVATE')) NOT NULL
 );
-CREATE TABLE messages
+CREATE TABLE IF NOT EXISTS messages
 (
     id         UUID PRIMARY KEY,
     created_at timestamptz NOT NULL,
@@ -28,7 +28,7 @@ CREATE TABLE messages
     FOREIGN KEY (channel_id) REFERENCES channels (id) ON DELETE CASCADE,
     FOREIGN KEY (author_id) REFERENCES users (id) ON DELETE SET NULL
 );
-CREATE TABLE user_statuses
+CREATE TABLE IF NOT EXISTS user_statuses
 (
     id             UUID PRIMARY KEY,
     created_at     timestamptz NOT NULL,
@@ -37,7 +37,7 @@ CREATE TABLE user_statuses
     last_active_at timestamptz NOT NULL,
     FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
 );
-CREATE TABLE read_statuses
+CREATE TABLE IF NOT EXISTS read_statuses
 (
     id           UUID PRIMARY KEY,
     created_at   timestamptz NOT NULL,
@@ -49,16 +49,15 @@ CREATE TABLE read_statuses
     FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE,
     FOREIGN KEY (channel_id) REFERENCES channels (id) ON DELETE CASCADE
 );
-CREATE TABLE binary_contents
+CREATE TABLE IF NOT EXISTS binary_contents
 (
     id           UUID PRIMARY KEY,
     created_at   timestamptz  NOT NULL,
     file_name    varchar(255) NOT NULL,
     size         bigint       NOT NULL,
-    content_type varchar(100) NOT NULL,
-    bytes        bytea        NOT NULL
+    content_type varchar(100) NOT NULL
 );
-CREATE TABLE message_attachments
+CREATE TABLE IF NOT EXISTS message_attachments
 (
     message_id    UUID NOT NULL,
     attachment_id UUID NOT NULL,
@@ -68,6 +67,4 @@ CREATE TABLE message_attachments
 );
 ALTER TABLE users
     ADD CONSTRAINT fk_users_binary_contents FOREIGN KEY (profile_id)
-        REFERENCES binary_contents (id) ON DELETE SET NULL;
-ALTER TABLE binary_contents
-    DROP COLUMN bytes;
+        REFERENCES binary_contents (id) ON DELETE SET NULL;