-- 需要先安装pgvector这个扩展（https://github.com/pgvector/pgvector）
-- CREATE EXTENSION vector;

SET client_encoding = 'UTF8';
CREATE SCHEMA public;

CREATE TABLE public.adi_ai_image
(
    id                 bigserial primary key,
    user_id            bigint                  DEFAULT '0'::bigint           NOT NULL,
    uuid               character varying(32)   DEFAULT ''::character varying NOT NULL,
    prompt             character varying(1024) DEFAULT ''::character varying NOT NULL,
    generate_size      character varying(20)   DEFAULT ''::character varying NOT NULL,
    generate_number    integer                 DEFAULT 1                     NOT NULL,
    original_image     character varying(1000) DEFAULT ''::character varying NOT NULL,
    mask_image         character varying(1000) DEFAULT ''::character varying NOT NULL,
    resp_images_path   character varying(2048) DEFAULT ''::character varying NOT NULL,
    generated_images   character varying(2048) DEFAULT ''::character varying NOT NULL,
    interacting_method smallint                DEFAULT '1'::smallint         NOT NULL,
    process_status     smallint                DEFAULT '1'::smallint         NOT NULL,
    create_time        timestamp               DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    update_time        timestamp               DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    is_deleted         boolean                 DEFAULT false                 NOT NULL,
    CONSTRAINT adi_ai_image_generate_number_check CHECK (((generate_number >= 1) AND (generate_number <= 10))),
    CONSTRAINT adi_ai_image_interacting_method_check CHECK ((interacting_method = ANY (ARRAY [1, 2, 3]))),
    CONSTRAINT adi_ai_image_process_status_check CHECK ((process_status = ANY (ARRAY [1, 2, 3]))),
    CONSTRAINT adi_ai_image_user_id_check CHECK ((user_id >= 0))
);
ALTER TABLE ONLY public.adi_ai_image
    ADD CONSTRAINT udx_uuid UNIQUE (uuid);
COMMENT ON TABLE public.adi_ai_image IS 'Images generated by ai';
COMMENT ON COLUMN public.adi_ai_image.user_id IS 'The user who generated the image';
COMMENT ON COLUMN public.adi_ai_image.uuid IS 'The uuid of the request of generated images';
COMMENT ON COLUMN public.adi_ai_image.prompt IS 'The prompt for generating images';
COMMENT ON COLUMN public.adi_ai_image.generate_size IS 'The size of the generated images. Must be one of "256x256", "512x512", or "1024x1024"';
COMMENT ON COLUMN public.adi_ai_image.generate_number IS 'The number of images to generate. Must be between 1 and 10. Defaults to 1.';
COMMENT ON COLUMN public.adi_ai_image.original_image IS 'The path of the original image (local path or http path), interacting_method must be 2/3';
COMMENT ON COLUMN public.adi_ai_image.mask_image IS 'The path of the mask image (local path or http path), interacting_method must be 2';
COMMENT ON COLUMN public.adi_ai_image.resp_images_path IS 'The url of the generated images which from openai response, separated by commas';

COMMENT ON COLUMN public.adi_ai_image.generated_images IS 'The path of the generated images, separated by commas';

COMMENT ON COLUMN public.adi_ai_image.interacting_method IS '1: Creating images from scratch based on a text prompt; 2: Creating edits of an existing image based on a new text prompt; 3: Creating variations of an existing image';
COMMENT ON COLUMN public.adi_ai_image.process_status IS 'Generate image status, 1: doing, 2: fail, 3: success';
COMMENT ON COLUMN public.adi_ai_image.create_time IS 'Timestamp of record creation';
COMMENT ON COLUMN public.adi_ai_image.update_time IS 'Timestamp of record last update, automatically updated on each update';
COMMENT ON COLUMN public.adi_ai_image.is_deleted IS 'Flag indicating whether the record is deleted (0: not deleted, 1: deleted)';


CREATE TABLE public.adi_ai_model
(
    id           bigserial primary key,
    name         character varying(45) DEFAULT ''::character varying NOT NULL,
    remark       character varying(1000),
    model_status smallint              DEFAULT '1'::smallint         NOT NULL,
    create_time  timestamp             DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    update_time  timestamp             DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    is_deleted   boolean               DEFAULT false                 NOT NULL,
    CONSTRAINT adi_ai_model_model_status_check CHECK ((model_status = ANY (ARRAY [1, 2])))
);

COMMENT ON TABLE public.adi_ai_model IS 'ai模型';

COMMENT ON COLUMN public.adi_ai_model.name IS 'The name of the AI model';
COMMENT ON COLUMN public.adi_ai_model.remark IS 'Additional remarks about the AI model';
COMMENT ON COLUMN public.adi_ai_model.model_status IS '1: Normal usage, 2: Not available';

COMMENT ON COLUMN public.adi_ai_model.create_time IS 'Timestamp of record creation';

COMMENT ON COLUMN public.adi_ai_model.update_time IS 'Timestamp of record last update, automatically updated on each update';

CREATE TABLE public.adi_conversation
(
    id                        bigserial primary key,
    user_id                   bigint                  DEFAULT '0'::bigint           NOT NULL,
    uuid                      character varying(32)   DEFAULT ''::character varying NOT NULL,
    title                     character varying(45)   DEFAULT ''::character varying NOT NULL,
    openai_conversation_id    character varying(32)   DEFAULT ''::character varying NOT NULL,
    tokens                    integer                 DEFAULT 0                     NOT NULL,
    ai_system_message         character varying(1000) DEFAULT ''::character varying NOT NULL,
    ai_model                  character varying(45)   DEFAULT ''::character varying NOT NULL,
    understand_context_enable boolean                 DEFAULT false                 NOT NULL,
    create_time               timestamp               DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    update_time               timestamp               DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    is_deleted                boolean                 DEFAULT false                 NOT NULL
);

COMMENT ON TABLE public.adi_conversation IS '对话表';

COMMENT ON COLUMN public.adi_conversation.user_id IS '用户id';

COMMENT ON COLUMN public.adi_conversation.ai_model IS '模型名称';

COMMENT ON COLUMN public.adi_conversation.title IS '对话标题';

CREATE TABLE public.adi_conversation_message
(
    id                              bigserial primary key,
    parent_message_id               bigint                DEFAULT '0'::bigint           NOT NULL,
    conversation_id                 bigint                DEFAULT '0'::bigint           NOT NULL,
    conversation_uuid               character varying(32) DEFAULT ''::character varying NOT NULL,
    remark                          text                                                NOT NULL,
    uuid                            character varying(32) DEFAULT ''::character varying NOT NULL,
    message_role                    integer               DEFAULT 1                     NOT NULL,
    tokens                          integer               DEFAULT 0                     NOT NULL,
    openai_message_id               character varying(32) DEFAULT ''::character varying NOT NULL,
    user_id                         bigint                DEFAULT '0'::bigint           NOT NULL,
    secret_key_type                 integer               DEFAULT 1                     NOT NULL,
    understand_context_msg_pair_num integer               DEFAULT 0                     NOT NULL,
    create_time                     timestamp             DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    update_time                     timestamp             DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    is_deleted                      boolean               DEFAULT false                 NOT NULL
);
COMMENT ON TABLE public.adi_conversation_message IS '对话消息表';

COMMENT ON COLUMN public.adi_conversation_message.parent_message_id IS '父级消息id';

COMMENT ON COLUMN public.adi_conversation_message.conversation_id IS '对话id';

COMMENT ON COLUMN public.adi_conversation_message.conversation_uuid IS 'conversation''s uuid';

COMMENT ON COLUMN public.adi_conversation_message.remark IS 'ai回复的消息';

COMMENT ON COLUMN public.adi_conversation_message.uuid IS '唯一标识消息的UUID';

COMMENT ON COLUMN public.adi_conversation_message.message_role IS '产生该消息的角色：1: 用户, 2: 系统, 3: 助手';

COMMENT ON COLUMN public.adi_conversation_message.tokens IS '消耗的token数量';

COMMENT ON COLUMN public.adi_conversation_message.openai_message_id IS 'OpenAI生成的消息ID';

COMMENT ON COLUMN public.adi_conversation_message.user_id IS '用户ID';

COMMENT ON COLUMN public.adi_conversation_message.secret_key_type IS '加密密钥类型';

COMMENT ON COLUMN public.adi_conversation_message.understand_context_msg_pair_num IS '上下文消息对数量';

CREATE TABLE public.adi_file
(
    id          bigserial primary key,
    name        character varying(36)  DEFAULT ''::character varying NOT NULL,
    uuid        character varying(32)  DEFAULT ''::character varying NOT NULL,
    ext         character varying(36)  DEFAULT ''::character varying NOT NULL,
    user_id     bigint                 DEFAULT '0'::bigint           NOT NULL,
    path        character varying(250) DEFAULT ''::character varying NOT NULL,
    ref_count   integer                DEFAULT 0                     NOT NULL,
    create_time timestamp              DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    update_time timestamp              DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    is_deleted  boolean                DEFAULT false                 NOT NULL,
    md5         character varying(128) DEFAULT ''::character varying NOT NULL
);

COMMENT ON TABLE public.adi_file IS '文件';

COMMENT ON COLUMN public.adi_file.name IS 'File name';

COMMENT ON COLUMN public.adi_file.uuid IS 'UUID of the file';

COMMENT ON COLUMN public.adi_file.ext IS 'File extension';

COMMENT ON COLUMN public.adi_file.user_id IS '0: System; Other: User';

COMMENT ON COLUMN public.adi_file.path IS 'File path';

COMMENT ON COLUMN public.adi_file.ref_count IS 'The number of references to this file';

COMMENT ON COLUMN public.adi_file.create_time IS 'Timestamp of record creation';

COMMENT ON COLUMN public.adi_file.update_time IS 'Timestamp of record last update, automatically updated on each update';

COMMENT ON COLUMN public.adi_file.is_deleted IS '0: Normal; 1: Deleted';

COMMENT ON COLUMN public.adi_file.md5 IS 'MD5 hash of the file';

CREATE TABLE public.adi_prompt
(
    id          bigserial primary key,
    user_id     bigint                 DEFAULT '0'::bigint           NOT NULL,
    act         character varying(120) DEFAULT ''::character varying NOT NULL,
    prompt      text                                                 NOT NULL,
    create_time timestamp              DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    update_time timestamp              DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    is_deleted  boolean                DEFAULT false                 NOT NULL
);

COMMENT ON TABLE public.adi_prompt IS '提示词';

COMMENT ON COLUMN public.adi_prompt.user_id IS '所属用户(0: system)';

COMMENT ON COLUMN public.adi_prompt.act IS '提示词标题';

COMMENT ON COLUMN public.adi_prompt.prompt IS '提示词内容';

COMMENT ON COLUMN public.adi_prompt.create_time IS 'Timestamp of record creation';

COMMENT ON COLUMN public.adi_prompt.update_time IS 'Timestamp of record last update, automatically updated on each update';

COMMENT ON COLUMN public.adi_prompt.is_deleted IS '0:未删除；1：已删除';

CREATE TABLE public.adi_sys_config
(
    id          bigserial primary key,
    name        character varying(100) DEFAULT ''::character varying NOT NULL,
    value       character varying(100) DEFAULT ''::character varying NOT NULL,
    create_time timestamp              DEFAULT localtimestamp        NOT NULL,
    update_time timestamp              DEFAULT localtimestamp        NOT NULL,
    is_deleted  boolean                DEFAULT false                 NOT NULL
);

COMMENT ON TABLE public.adi_sys_config IS '系统配置表';

COMMENT ON COLUMN public.adi_sys_config.name IS '配置项名称';

COMMENT ON COLUMN public.adi_sys_config.value IS '配置项值';

COMMENT ON COLUMN public.adi_sys_config.create_time IS 'Timestamp of record creation';

COMMENT ON COLUMN public.adi_sys_config.update_time IS 'Timestamp of record last update, automatically updated on each update';

COMMENT ON COLUMN public.adi_sys_config.is_deleted IS '0：未删除；1：已删除';

CREATE TABLE public.adi_user
(
    id                              bigserial primary key,
    name                            character varying(45)  DEFAULT ''::character varying NOT NULL,
    password                        character varying(120) DEFAULT ''::character varying NOT NULL,
    uuid                            character varying(32)  DEFAULT ''::character varying NOT NULL,
    email                           character varying(120) DEFAULT ''::character varying NOT NULL,
    active_time                     timestamp,
    user_status                     smallint               DEFAULT '1'::smallint         NOT NULL,
    is_admin                        boolean                DEFAULT false                 NOT NULL,
    quota_by_token_daily            integer                DEFAULT 0                     NOT NULL,
    quota_by_token_monthly          integer                DEFAULT 0                     NOT NULL,
    quota_by_request_daily          integer                DEFAULT 0                     NOT NULL,
    quota_by_request_monthly        integer                DEFAULT 0                     NOT NULL,
    secret_key                      character varying(120) DEFAULT ''::character varying NOT NULL,
    understand_context_enable       smallint               DEFAULT '0'::smallint         NOT NULL,
    understand_context_msg_pair_num integer                DEFAULT 0                     NOT NULL,
    quota_by_image_daily            integer                DEFAULT 0                     NOT NULL,
    quota_by_image_monthly          integer                DEFAULT 0                     NOT NULL,
    create_time                     timestamp              DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    update_time                     timestamp              DEFAULT CURRENT_TIMESTAMP     NOT NULL,
    is_deleted                      boolean                DEFAULT false                 NOT NULL
);

COMMENT ON TABLE public.adi_user IS '用户表';

COMMENT ON COLUMN public.adi_user.name IS '用户名';

COMMENT ON COLUMN public.adi_user.password IS '密码';

COMMENT ON COLUMN public.adi_user.uuid IS 'UUID of the user';

COMMENT ON COLUMN public.adi_user.email IS '用户邮箱';

COMMENT ON COLUMN public.adi_user.active_time IS '激活时间';

COMMENT ON COLUMN public.adi_user.create_time IS 'Timestamp of record creation';

COMMENT ON COLUMN public.adi_user.update_time IS 'Timestamp of record last update, automatically updated on each update';

COMMENT ON COLUMN public.adi_user.user_status IS '用户状态，1：待验证；2：正常；3：冻结';

COMMENT ON COLUMN public.adi_user.is_admin IS '是否管理员，0：否；1：是';

COMMENT ON COLUMN public.adi_user.is_deleted IS '0：未删除；1：已删除';

COMMENT ON COLUMN public.adi_user.quota_by_token_daily IS '每日token配额';

COMMENT ON COLUMN public.adi_user.quota_by_token_monthly IS '每月token配额';

COMMENT ON COLUMN public.adi_user.quota_by_request_daily IS '每日请求配额';

COMMENT ON COLUMN public.adi_user.quota_by_request_monthly IS '每月请求配额';

COMMENT ON COLUMN public.adi_user.secret_key IS '用户密钥';

COMMENT ON COLUMN public.adi_user.understand_context_enable IS '上下文理解开关';

COMMENT ON COLUMN public.adi_user.understand_context_msg_pair_num IS '上下文消息对数量';

COMMENT ON COLUMN public.adi_user.quota_by_image_daily IS '每日图片配额';

COMMENT ON COLUMN public.adi_user.quota_by_image_monthly IS '每月图片配额';

CREATE TABLE public.adi_user_day_cost
(
    id              bigserial primary key,
    user_id         bigint    DEFAULT '0'::bigint       NOT NULL,
    day             integer   DEFAULT 0                 NOT NULL,
    requests        integer   DEFAULT 0                 NOT NULL,
    tokens          integer   DEFAULT 0                 NOT NULL,
    create_time     timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL,
    update_time     timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL,
    secret_key_type integer   DEFAULT 0                 NOT NULL,
    images_number   integer   DEFAULT 0                 NOT NULL,
    is_deleted      boolean   DEFAULT false             NOT NULL
);

COMMENT ON TABLE public.adi_user_day_cost IS '用户每天消耗总量表';

COMMENT ON COLUMN public.adi_user_day_cost.user_id IS '用户ID';

COMMENT ON COLUMN public.adi_user_day_cost.day IS '日期，用7位整数表示，如20230901';

COMMENT ON COLUMN public.adi_user_day_cost.requests IS '请求数量';

COMMENT ON COLUMN public.adi_user_day_cost.tokens IS '消耗的token数量';

COMMENT ON COLUMN public.adi_user_day_cost.create_time IS 'Timestamp of record creation';

COMMENT ON COLUMN public.adi_user_day_cost.update_time IS 'Timestamp of record last update, automatically updated on each update';

COMMENT ON COLUMN public.adi_user_day_cost.secret_key_type IS '加密密钥类型';

COMMENT ON COLUMN public.adi_user_day_cost.images_number IS '图片数量';


-- update_time trigger

CREATE OR REPLACE FUNCTION update_modified_column()
    RETURNS TRIGGER AS
$$
BEGIN
    NEW.update_time = CURRENT_TIMESTAMP;
    RETURN NEW;
END;
$$ language 'plpgsql';

CREATE TRIGGER trigger_ai_image_update_time
    BEFORE UPDATE
    ON adi_ai_image
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_ai_model_update_time
    BEFORE UPDATE
    ON adi_ai_model
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_conv_update_time
    BEFORE UPDATE
    ON adi_conversation
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_conv_message_update_time
    BEFORE UPDATE
    ON adi_conversation_message
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_file_update_time
    BEFORE UPDATE
    ON adi_file
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_prompt_update_time
    BEFORE UPDATE
    ON adi_prompt
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_sys_config_update_time
    BEFORE UPDATE
    ON adi_sys_config
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_user_update_time
    BEFORE UPDATE
    ON adi_user
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

CREATE TRIGGER trigger_user_day_cost_update_time
    BEFORE UPDATE
    ON adi_user_day_cost
    FOR EACH ROW
EXECUTE PROCEDURE update_modified_column();

INSERT INTO adi_sys_config (name, value)
VALUES ('secret_key', '');
INSERT INTO adi_sys_config (name, value)
VALUES ('request_text_rate_limit', '{"times":24,"minutes":3}');
INSERT INTO adi_sys_config (name, value)
VALUES ('request_image_rate_limit', '{"times":6,"minutes":3}');
INSERT INTO adi_sys_config (name, value)
VALUES ('conversation_max_num', '50');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_token_daily', '10000');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_token_monthly', '200000');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_request_daily', '150');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_request_monthly', '3000');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_image_daily', '30');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_image_monthly', '300');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_qa_ask_daily', '50');
INSERT INTO adi_sys_config (name, value)
VALUES ('quota_by_qa_item_monthly', '100');

create table adi_knowledge_base
(
    id          bigserial primary key,
    uuid        varchar(32)  default ''::character varying not null,
    title       varchar(250) default ''::character varying not null,
    remark      text         default ''::character varying not null,
    is_public   boolean      default false                 not null,
    owner_id    bigint       default 0                     not null,
    owner_name  varchar(45)  default ''::character varying not null,
    create_time timestamp    default CURRENT_TIMESTAMP     not null,
    update_time timestamp    default CURRENT_TIMESTAMP     not null,
    is_deleted  boolean      default false                 not null
);

comment on table adi_knowledge_base is '知识库';

comment on column adi_knowledge_base.title is '知识库名称';

comment on column adi_knowledge_base.remark is '知识库描述';

comment on column adi_knowledge_base.is_public is '是否公开';

comment on column adi_knowledge_base.owner_id is '所属人id';

comment on column adi_knowledge_base.owner_name is '所属人名称';

comment on column adi_knowledge_base.create_time is '创建时间';

comment on column adi_knowledge_base.update_time is '更新时间';

comment on column adi_knowledge_base.is_deleted is '0：未删除；1：已删除';

create trigger trigger_kb_update_time
    before update
    on adi_knowledge_base
    for each row
execute procedure update_modified_column();

create table adi_knowledge_base_item
(
    id             bigserial primary key,
    uuid           varchar(32)  default ''::character varying not null,
    kb_id          bigint       DEFAULT '0'::bigint           NOT NULL,
    kb_uuid        varchar(32)  default ''::character varying not null,
    source_file_id bigint       DEFAULT '0'::bigint           NOT NULL,
    title          varchar(250) default ''::character varying not null,
    brief          varchar(250) default ''::character varying not null,
    remark         text         default ''::character varying not null,
    is_embedded    boolean      default false                 not null,
    create_time    timestamp    default CURRENT_TIMESTAMP     not null,
    update_time    timestamp    default CURRENT_TIMESTAMP     not null,
    is_deleted     boolean      default false                 not null
);

comment on table adi_knowledge_base_item is '知识库-条目';

comment on column adi_knowledge_base_item.kb_id is '所属知识库id';

comment on column adi_knowledge_base_item.source_file_id is '来源文件id';

comment on column adi_knowledge_base_item.title is '条目标题';

comment on column adi_knowledge_base_item.brief is '条目内容摘要';

comment on column adi_knowledge_base_item.remark is '条目内容';

comment on column adi_knowledge_base_item.is_embedded is '是否已向量化,0:否,1:是';

comment on column adi_knowledge_base_item.create_time is '创建时间';

comment on column adi_knowledge_base_item.update_time is '更新时间';

comment on column adi_knowledge_base_item.is_deleted is '0：未删除；1：已删除';

create trigger trigger_kb_item_update_time
    before update
    on adi_knowledge_base_item
    for each row
execute procedure update_modified_column();

create table adi_knowledge_base_qa_record
(
    id              bigserial primary key,
    uuid            varchar(32)   default ''::character varying not null,
    kb_id           bigint        DEFAULT '0'::bigint           NOT NULL,
    kb_uuid         varchar(32)   default ''::character varying not null,
    question        varchar(1000) default ''::character varying not null,
    answer          text          default ''::character varying not null,
    source_file_ids varchar(500)  default ''::character varying not null,
    user_id         bigint        default '0'                   NOT NULL,
    create_time     timestamp     default CURRENT_TIMESTAMP     not null,
    update_time     timestamp     default CURRENT_TIMESTAMP     not null,
    is_deleted      boolean       default false                 not null
);

comment on table adi_knowledge_base_qa_record is '知识库-提问记录';

comment on column adi_knowledge_base_qa_record.kb_id is '所属知识库id';

comment on column adi_knowledge_base_qa_record.kb_uuid is '所属知识库uuid';

comment on column adi_knowledge_base_qa_record.question is '问题';

comment on column adi_knowledge_base_qa_record.answer is '答案';

comment on column adi_knowledge_base_qa_record.source_file_ids is '来源文档id,以逗号隔开';

comment on column adi_knowledge_base_qa_record.user_id is '提问用户id';

comment on column adi_knowledge_base_qa_record.create_time is '创建时间';

comment on column adi_knowledge_base_qa_record.update_time is '更新时间';

comment on column adi_knowledge_base_qa_record.is_deleted is '0：未删除；1：已删除';

create trigger trigger_kb_qa_record_update_time
    before update
    on adi_knowledge_base_qa_record
    for each row
execute procedure update_modified_column();