feat: 순공 시간 관련 테이블 flyway 작성

src/main/resources/db/migration/V4__add_studytime_table.sql

@@ -0,0 +1,53 @@
+CREATE TABLE IF NOT EXISTS study_timer
+(
+    id         INT AUTO_INCREMENT PRIMARY KEY,
+    user_id    INT                                 NOT NULL,
+    started_at TIMESTAMP                           NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL,
+
+    UNIQUE (user_id),
+
+    FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS study_time_daily
+(
+    id            INT AUTO_INCREMENT PRIMARY KEY,
+    user_id       INT                                 NOT NULL,
+    study_date    DATE                                NOT NULL,
+    total_seconds BIGINT                              NOT NULL,
+    created_at    TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at    TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL,
+
+    UNIQUE (user_id, study_date),
+
+    FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS study_time_monthly
+(
+    id            INT AUTO_INCREMENT PRIMARY KEY,
+    user_id       INT                                 NOT NULL,
+    study_month   DATE                                NOT NULL,
+    total_seconds BIGINT                              NOT NULL,
+    created_at    TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at    TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL,
+
+    UNIQUE (user_id, study_month),
+
+    FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS study_time_total
+(
+    id            INT AUTO_INCREMENT PRIMARY KEY,
+    user_id       INT                                 NOT NULL,
+    total_seconds BIGINT                              NOT NULL,
+    created_at    TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at    TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL,
+
+    UNIQUE (user_id),
+
+    FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+);