[SOU-638] 마이그레이션 파일 다시 생성

src/main/resources/db/migration/V14__create_fcm_token_tablel.sql

@@ -0,0 +1,23 @@
+CREATE TABLE fcm_tokens (
+    id BIGSERIAL PRIMARY KEY,
+    user_id BIGINT,
+    token VARCHAR(255) NOT NULL,
+    device_type VARCHAR(20) NOT NULL,
+    device_id VARCHAR(100) NOT NULL,
+    device_model VARCHAR(100),
+    os_version VARCHAR(50),
+    app_version VARCHAR(50),
+    is_active BOOLEAN DEFAULT true NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    last_used_at TIMESTAMP
+);
+
+-- 인덱스 생성
+CREATE INDEX idx_fcm_tokens_user_id ON fcm_tokens(user_id) WHERE user_id IS NOT NULL;
+CREATE INDEX idx_fcm_tokens_device_id ON fcm_tokens(device_id);
+CREATE INDEX idx_fcm_tokens_device_type ON fcm_tokens(device_type);
+CREATE INDEX idx_fcm_tokens_is_active ON fcm_tokens(is_active);
+CREATE UNIQUE INDEX idx_fcm_tokens_token ON fcm_tokens(token);
+CREATE UNIQUE INDEX idx_fcm_tokens_user_device ON fcm_tokens(user_id, device_id)
+    WHERE user_id IS NOT NULL;