USE model_operations;

CREATE TABLE IF NOT EXISTS ops_model_categories (
  category_code VARCHAR(32) NOT NULL COMMENT 'std/bai/big/afd',
  category_name VARCHAR(100) NOT NULL,
  sort_order SMALLINT NOT NULL DEFAULT 0,
  status VARCHAR(16) NOT NULL DEFAULT 'active' COMMENT 'active/inactive',
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3)
    ON UPDATE CURRENT_TIMESTAMP(3),
  is_deleted TINYINT(1) NOT NULL DEFAULT 0,
  deleted_at DATETIME(3) NULL,
  PRIMARY KEY (category_code),
  KEY idx_ops_categories_status (status, sort_order)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
  COMMENT='固定模型大类字典，由运维模块维护';

CREATE TABLE IF NOT EXISTS ops_banks (
  bank_id CHAR(26) NOT NULL,
  workspace_id CHAR(26) NOT NULL COMMENT '逻辑引用 model_platform.workspaces',
  bank_code VARCHAR(64) NOT NULL,
  bank_name VARCHAR(150) NOT NULL,
  is_wuji_bank TINYINT(1) NOT NULL DEFAULT 0,
  bank_status VARCHAR(16) NOT NULL DEFAULT 'active' COMMENT 'active/inactive',
  source_system VARCHAR(64) NOT NULL DEFAULT 'model_platform',
  source_bank_ref VARCHAR(128) NULL,
  source_updated_at DATETIME(3) NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3)
    ON UPDATE CURRENT_TIMESTAMP(3),
  is_deleted TINYINT(1) NOT NULL DEFAULT 0,
  deleted_at DATETIME(3) NULL,
  PRIMARY KEY (bank_id),
  UNIQUE KEY uk_ops_banks_code (workspace_id, bank_code),
  UNIQUE KEY uk_ops_banks_source (
    workspace_id, source_system, source_bank_ref
  ),
  KEY idx_ops_banks_workspace_status (
    workspace_id, bank_status, is_deleted
  )
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
  COMMENT='银行主数据；模型平台可受控直写';

CREATE TABLE IF NOT EXISTS ops_model_instances (
  model_instance_id CHAR(26) NOT NULL,
  workspace_id CHAR(26) NOT NULL COMMENT '逻辑引用 model_platform.workspaces',
  bank_id CHAR(26) NOT NULL COMMENT '逻辑引用 ops_banks',
  category_code VARCHAR(32) NOT NULL COMMENT '逻辑引用 ops_model_categories',
  model_id VARCHAR(128) NOT NULL COMMENT '工作空间内全局唯一业务模型ID',
  model_name VARCHAR(200) NOT NULL,
  model_status VARCHAR(24) NOT NULL DEFAULT 'normal'
    COMMENT 'normal/escort/escort_finished/offline',
  current_version_id CHAR(26) NULL COMMENT '逻辑引用 ops_model_versions',
  is_common_model TINYINT(1) NOT NULL DEFAULT 0,
  common_source_model_id CHAR(26) NULL
    COMMENT '复用时逻辑引用通用模型实例',
  common_model_name VARCHAR(200) NULL,
  source_system VARCHAR(64) NOT NULL DEFAULT 'model_platform',
  source_model_ref VARCHAR(128) NULL,
  source_updated_at DATETIME(3) NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3)
    ON UPDATE CURRENT_TIMESTAMP(3),
  is_deleted TINYINT(1) NOT NULL DEFAULT 0,
  deleted_at DATETIME(3) NULL,
  PRIMARY KEY (model_instance_id),
  UNIQUE KEY uk_ops_models_business_id (workspace_id, model_id),
  UNIQUE KEY uk_ops_models_source (
    workspace_id, source_system, source_model_ref
  ),
  KEY fk_ops_models_bank (bank_id),
  KEY fk_ops_models_current_version (current_version_id),
  KEY fk_ops_models_common_source (common_source_model_id),
  KEY idx_ops_models_filters (
    workspace_id, category_code, model_status, is_deleted
  )
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
  COMMENT='业务模型实例；模型平台可受控直写';

CREATE TABLE IF NOT EXISTS ops_model_versions (
  model_version_id CHAR(26) NOT NULL,
  workspace_id CHAR(26) NOT NULL COMMENT '逻辑引用 model_platform.workspaces',
  model_instance_id CHAR(26) NOT NULL COMMENT '逻辑引用 ops_model_instances',
  version_label VARCHAR(64) NOT NULL COMMENT '例如 v2.3',
  version_status VARCHAR(24) NOT NULL DEFAULT 'active'
    COMMENT 'draft/escort/active/offline',
  platform_versions_id CHAR(26) NULL
    COMMENT '可选逻辑引用 model_platform.versions',
  developer_user_id CHAR(26) NULL COMMENT '逻辑引用 model_platform.users',
  developer_display_name VARCHAR(100) NULL COMMENT '历史展示快照',
  development_date DATE NULL,
  iteration_start_date DATE NULL,
  last_iteration_date DATE NULL,
  iteration_reason VARCHAR(1000) NULL,
  escort_start_date DATE NULL,
  escort_end_date DATE NULL,
  online_date DATE NULL,
  offline_date DATE NULL,
  development_ks DECIMAL(12,8) NULL COMMENT '0-1比率',
  development_psi DECIMAL(12,8) NULL COMMENT '0-1比率',
  max_lift DECIMAL(12,8) NULL,
  scoring_logic_storage_object_id CHAR(26) NULL
    COMMENT '逻辑引用 model_platform.storage_objects',
  source_system VARCHAR(64) NOT NULL DEFAULT 'model_platform',
  source_version_ref VARCHAR(128) NULL,
  source_updated_at DATETIME(3) NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3)
    ON UPDATE CURRENT_TIMESTAMP(3),
  is_deleted TINYINT(1) NOT NULL DEFAULT 0,
  deleted_at DATETIME(3) NULL,
  PRIMARY KEY (model_version_id),
  UNIQUE KEY uk_ops_model_versions_label (
    model_instance_id, version_label
  ),
  UNIQUE KEY uk_ops_model_versions_source (
    workspace_id, source_system, source_version_ref
  ),
  KEY fk_ops_model_versions_model (model_instance_id),
  KEY fk_ops_model_versions_platform_version (platform_versions_id),
  KEY fk_ops_model_versions_developer (developer_user_id),
  KEY idx_ops_model_versions_lifecycle (
    workspace_id, version_status, online_date, offline_date
  )
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
  COMMENT='模型版本与生命周期；模型平台可受控直写';