-- =============================================================================
-- zqyy_app / biz（核心业务表（任务/备注/触发器））
-- 生成日期：2026-04-12
-- 来源：测试库（通过脚本自动导出）
-- =============================================================================

CREATE SCHEMA IF NOT EXISTS biz;

-- 序列
CREATE SEQUENCE IF NOT EXISTS biz.ai_cache_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.ai_conversations_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.ai_messages_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.ai_run_logs_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.ai_trigger_jobs_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.cfg_task_generator_params_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.coach_task_history_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.coach_task_transfer_log_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.coach_tasks_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.connectors_id_seq AS integer;
CREATE SEQUENCE IF NOT EXISTS biz.dws_assistant_task_monthly_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.excel_upload_log_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.notes_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.recall_events_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.salary_adjustments_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.site_code_history_id_seq AS integer;
CREATE SEQUENCE IF NOT EXISTS biz.sites_id_seq AS integer;
CREATE SEQUENCE IF NOT EXISTS biz.stg_finance_expense_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.stg_platform_income_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.stg_recharge_commission_id_seq AS bigint;
CREATE SEQUENCE IF NOT EXISTS biz.tenants_id_seq AS integer;
CREATE SEQUENCE IF NOT EXISTS biz.trigger_jobs_id_seq AS integer;

-- 表
CREATE TABLE biz.ai_cache (
    id bigint DEFAULT nextval('biz.ai_cache_id_seq'::regclass) NOT NULL,
    cache_type character varying(30) NOT NULL,
    site_id bigint NOT NULL,
    target_id character varying(100) NOT NULL,
    result_json jsonb NOT NULL,
    score integer,
    triggered_by character varying(100),
    created_at timestamp with time zone DEFAULT now() NOT NULL,
    expires_at timestamp with time zone,
    status character varying(20) DEFAULT 'valid'::character varying
);

CREATE TABLE biz.ai_conversations (
    id bigint DEFAULT nextval('biz.ai_conversations_id_seq'::regclass) NOT NULL,
    user_id character varying(50) NOT NULL,
    nickname character varying(100) DEFAULT ''::character varying NOT NULL,
    app_id character varying(30) NOT NULL,
    site_id bigint NOT NULL,
    source_page character varying(100),
    source_context jsonb,
    created_at timestamp with time zone DEFAULT now() NOT NULL,
    context_type character varying(20),
    context_id character varying(50),
    title character varying(200),
    last_message text,
    last_message_at timestamp with time zone,
    session_id character varying(100)
);

CREATE TABLE biz.ai_messages (
    id bigint DEFAULT nextval('biz.ai_messages_id_seq'::regclass) NOT NULL,
    conversation_id bigint NOT NULL,
    role character varying(10) NOT NULL,
    content text NOT NULL,
    tokens_used integer,
    created_at timestamp with time zone DEFAULT now() NOT NULL,
    reference_card jsonb
);

CREATE TABLE biz.ai_run_logs (
    id bigint DEFAULT nextval('biz.ai_run_logs_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    app_type character varying(30) NOT NULL,
    trigger_type character varying(20) NOT NULL,
    member_id bigint,
    request_prompt text,
    response_text text,
    tokens_used integer DEFAULT 0,
    latency_ms integer,
    status character varying(20) DEFAULT 'pending'::character varying NOT NULL,
    error_message text,
    session_id character varying(100),
    created_at timestamp with time zone DEFAULT now() NOT NULL,
    finished_at timestamp with time zone,
    alert_status character varying(20) DEFAULT NULL::character varying
);

CREATE TABLE biz.ai_trigger_jobs (
    id bigint DEFAULT nextval('biz.ai_trigger_jobs_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    event_type character varying(30) NOT NULL,
    connector_type character varying(30) DEFAULT 'feiqiu'::character varying,
    member_id bigint,
    payload jsonb,
    status character varying(20) DEFAULT 'pending'::character varying NOT NULL,
    is_forced boolean DEFAULT false,
    app_chain character varying(100),
    started_at timestamp with time zone,
    finished_at timestamp with time zone,
    error_message text,
    created_at timestamp with time zone DEFAULT now() NOT NULL
);

CREATE TABLE biz.cfg_task_generator_params (
    id bigint DEFAULT nextval('biz.cfg_task_generator_params_id_seq'::regclass) NOT NULL,
    site_id bigint,
    param_key character varying(64) NOT NULL,
    param_value numeric NOT NULL,
    description text,
    updated_at timestamp with time zone DEFAULT now() NOT NULL,
    updated_by bigint
);

CREATE TABLE biz.coach_task_history (
    id bigint DEFAULT nextval('biz.coach_task_history_id_seq'::regclass) NOT NULL,
    task_id bigint NOT NULL,
    action character varying(50) NOT NULL,
    old_status character varying(20),
    new_status character varying(20),
    old_task_type character varying(50),
    new_task_type character varying(50),
    detail jsonb,
    created_at timestamp with time zone DEFAULT now()
);

CREATE TABLE biz.coach_task_transfer_log (
    id bigint DEFAULT nextval('biz.coach_task_transfer_log_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    member_id bigint NOT NULL,
    from_assistant_id bigint NOT NULL,
    to_assistant_id bigint NOT NULL,
    from_task_id bigint NOT NULL,
    to_task_id bigint,
    transfer_reason text,
    guard_checks jsonb,
    transfer_score numeric,
    created_at timestamp with time zone DEFAULT now() NOT NULL
);

CREATE TABLE biz.coach_tasks (
    id bigint DEFAULT nextval('biz.coach_tasks_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    assistant_id bigint NOT NULL,
    member_id bigint NOT NULL,
    task_type character varying(50) NOT NULL,
    status character varying(20) DEFAULT 'active'::character varying NOT NULL,
    priority_score numeric(5,2),
    expires_at timestamp with time zone,
    is_pinned boolean DEFAULT false,
    abandon_reason text,
    completed_at timestamp with time zone,
    completed_task_type character varying(50),
    parent_task_id bigint,
    created_at timestamp with time zone DEFAULT now(),
    updated_at timestamp with time zone DEFAULT now(),
    transfer_count integer DEFAULT 0 NOT NULL,
    transferred_from bigint,
    transferred_at timestamp with time zone,
    completion_type character varying(10)
);

CREATE TABLE biz.connectors (
    id integer DEFAULT nextval('biz.connectors_id_seq'::regclass) NOT NULL,
    connector_key character varying(50) NOT NULL,
    display_name character varying(100) NOT NULL,
    is_active boolean DEFAULT true NOT NULL,
    created_at timestamp with time zone DEFAULT now() NOT NULL
);

CREATE TABLE biz.dws_assistant_task_monthly (
    id bigint DEFAULT nextval('biz.dws_assistant_task_monthly_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    assistant_id bigint NOT NULL,
    stat_month date NOT NULL,
    recall_created integer DEFAULT 0 NOT NULL,
    follow_up_created integer DEFAULT 0 NOT NULL,
    relationship_created integer DEFAULT 0 NOT NULL,
    total_created integer DEFAULT 0 NOT NULL,
    recall_completed integer DEFAULT 0 NOT NULL,
    follow_up_completed integer DEFAULT 0 NOT NULL,
    total_completed integer DEFAULT 0 NOT NULL,
    abandoned_count integer DEFAULT 0 NOT NULL,
    transferred_count integer DEFAULT 0 NOT NULL,
    updated_at timestamp with time zone DEFAULT now() NOT NULL
);

CREATE TABLE biz.excel_upload_log (
    id bigint DEFAULT nextval('biz.excel_upload_log_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    upload_type character varying(30) NOT NULL,
    file_name character varying(255) NOT NULL,
    uploaded_by bigint NOT NULL,
    row_count integer DEFAULT 0,
    conflict_count integer DEFAULT 0,
    resolved_count integer DEFAULT 0,
    status character varying(20) NOT NULL,
    error_detail jsonb,
    created_at timestamp with time zone DEFAULT now(),
    confirmed_at timestamp with time zone
);

CREATE TABLE biz.notes (
    id bigint DEFAULT nextval('biz.notes_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    user_id integer NOT NULL,
    target_type character varying(50) NOT NULL,
    target_id bigint NOT NULL,
    type character varying(20) DEFAULT 'normal'::character varying NOT NULL,
    content text NOT NULL,
    rating_service_willingness smallint,
    rating_revisit_likelihood smallint,
    task_id bigint,
    ai_score smallint,
    ai_analysis text,
    created_at timestamp with time zone DEFAULT now(),
    updated_at timestamp with time zone DEFAULT now(),
    score smallint
);

CREATE TABLE biz.recall_events (
    id bigint DEFAULT nextval('biz.recall_events_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    assistant_id bigint NOT NULL,
    member_id bigint NOT NULL,
    pay_time timestamp with time zone NOT NULL,
    task_id bigint,
    task_type character varying(50),
    created_at timestamp with time zone DEFAULT now()
);

CREATE TABLE biz.salary_adjustments (
    id bigint DEFAULT nextval('biz.salary_adjustments_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    assistant_id bigint,
    assistant_name character varying(100) NOT NULL,
    assistant_number character varying(50) NOT NULL,
    salary_month character varying(7) NOT NULL,
    adjustment_type character varying(20) NOT NULL,
    amount numeric(12,2) NOT NULL,
    reason character varying(200) NOT NULL,
    upload_batch_id bigint,
    created_at timestamp with time zone DEFAULT now(),
    created_by bigint
);

CREATE TABLE biz.site_code_history (
    id integer DEFAULT nextval('biz.site_code_history_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    site_code character varying(6) NOT NULL,
    is_current boolean DEFAULT false NOT NULL,
    created_at timestamp with time zone DEFAULT now() NOT NULL,
    retired_at timestamp with time zone
);

CREATE TABLE biz.sites (
    id integer DEFAULT nextval('biz.sites_id_seq'::regclass) NOT NULL,
    tenant_id integer NOT NULL,
    site_id bigint NOT NULL,
    site_name character varying(200),
    site_code character varying(6),
    site_label character varying(50),
    is_active boolean DEFAULT true NOT NULL,
    created_at timestamp with time zone DEFAULT now() NOT NULL,
    updated_at timestamp with time zone DEFAULT now() NOT NULL
);

CREATE TABLE biz.stg_finance_expense (
    id bigint DEFAULT nextval('biz.stg_finance_expense_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    expense_month character varying(7) NOT NULL,
    category character varying(50) NOT NULL,
    amount numeric(12,2) NOT NULL,
    remark text,
    upload_batch_id bigint,
    synced_at timestamp with time zone,
    created_at timestamp with time zone DEFAULT now()
);

CREATE TABLE biz.stg_platform_income (
    id bigint DEFAULT nextval('biz.stg_platform_income_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    income_month character varying(7) NOT NULL,
    platform_name character varying(100) NOT NULL,
    amount numeric(12,2) NOT NULL,
    remark text,
    upload_batch_id bigint,
    synced_at timestamp with time zone,
    created_at timestamp with time zone DEFAULT now()
);

CREATE TABLE biz.stg_recharge_commission (
    id bigint DEFAULT nextval('biz.stg_recharge_commission_id_seq'::regclass) NOT NULL,
    site_id bigint NOT NULL,
    recharge_date date NOT NULL,
    member_name character varying(100) NOT NULL,
    recharge_amount numeric(12,2) NOT NULL,
    assigned_assistant character varying(100) NOT NULL,
    reward_amount numeric(12,2) NOT NULL,
    upload_batch_id bigint,
    synced_at timestamp with time zone,
    created_at timestamp with time zone DEFAULT now()
);

CREATE TABLE biz.tenants (
    id integer DEFAULT nextval('biz.tenants_id_seq'::regclass) NOT NULL,
    connector_id integer NOT NULL,
    tenant_id bigint NOT NULL,
    tenant_name character varying(200),
    is_active boolean DEFAULT true NOT NULL,
    created_at timestamp with time zone DEFAULT now() NOT NULL,
    updated_at timestamp with time zone DEFAULT now() NOT NULL
);

CREATE TABLE biz.trigger_jobs (
    id integer DEFAULT nextval('biz.trigger_jobs_id_seq'::regclass) NOT NULL,
    job_type character varying(100) NOT NULL,
    job_name character varying(100) NOT NULL,
    trigger_condition character varying(20) NOT NULL,
    trigger_config jsonb NOT NULL,
    last_run_at timestamp with time zone,
    next_run_at timestamp with time zone,
    status character varying(20) DEFAULT 'enabled'::character varying NOT NULL,
    created_at timestamp with time zone DEFAULT now(),
    last_error text,
    description text,
    last_stats jsonb
);

-- 约束（主键 / 唯一 / 外键）
ALTER TABLE biz.ai_cache ADD CONSTRAINT ai_cache_pkey PRIMARY KEY (id);
ALTER TABLE biz.ai_conversations ADD CONSTRAINT ai_conversations_pkey PRIMARY KEY (id);
ALTER TABLE biz.ai_messages ADD CONSTRAINT ai_messages_conversation_id_fkey FOREIGN KEY (conversation_id) REFERENCES biz.ai_conversations(id) ON DELETE CASCADE;
ALTER TABLE biz.ai_messages ADD CONSTRAINT ai_messages_pkey PRIMARY KEY (id);
ALTER TABLE biz.ai_run_logs ADD CONSTRAINT ai_run_logs_pkey PRIMARY KEY (id);
ALTER TABLE biz.ai_trigger_jobs ADD CONSTRAINT ai_trigger_jobs_pkey PRIMARY KEY (id);
ALTER TABLE biz.cfg_task_generator_params ADD CONSTRAINT cfg_task_generator_params_pkey PRIMARY KEY (id);
ALTER TABLE biz.cfg_task_generator_params ADD CONSTRAINT cfg_task_generator_params_site_id_param_key_key UNIQUE (site_id, param_key);
ALTER TABLE biz.coach_task_history ADD CONSTRAINT coach_task_history_task_id_fkey FOREIGN KEY (task_id) REFERENCES biz.coach_tasks(id);
ALTER TABLE biz.coach_task_history ADD CONSTRAINT coach_task_history_pkey PRIMARY KEY (id);
ALTER TABLE biz.coach_task_transfer_log ADD CONSTRAINT coach_task_transfer_log_from_task_id_fkey FOREIGN KEY (from_task_id) REFERENCES biz.coach_tasks(id);
ALTER TABLE biz.coach_task_transfer_log ADD CONSTRAINT coach_task_transfer_log_to_task_id_fkey FOREIGN KEY (to_task_id) REFERENCES biz.coach_tasks(id);
ALTER TABLE biz.coach_task_transfer_log ADD CONSTRAINT coach_task_transfer_log_pkey PRIMARY KEY (id);
ALTER TABLE biz.coach_tasks ADD CONSTRAINT coach_tasks_parent_task_id_fkey FOREIGN KEY (parent_task_id) REFERENCES biz.coach_tasks(id);
ALTER TABLE biz.coach_tasks ADD CONSTRAINT fk_coach_tasks_transferred_from FOREIGN KEY (transferred_from) REFERENCES biz.coach_tasks(id);
ALTER TABLE biz.coach_tasks ADD CONSTRAINT coach_tasks_pkey PRIMARY KEY (id);
ALTER TABLE biz.connectors ADD CONSTRAINT connectors_pkey PRIMARY KEY (id);
ALTER TABLE biz.connectors ADD CONSTRAINT connectors_connector_key_key UNIQUE (connector_key);
ALTER TABLE biz.dws_assistant_task_monthly ADD CONSTRAINT dws_assistant_task_monthly_pkey PRIMARY KEY (id);
ALTER TABLE biz.dws_assistant_task_monthly ADD CONSTRAINT dws_assistant_task_monthly_site_id_assistant_id_stat_month_key UNIQUE (site_id, assistant_id, stat_month);
ALTER TABLE biz.excel_upload_log ADD CONSTRAINT excel_upload_log_pkey PRIMARY KEY (id);
ALTER TABLE biz.notes ADD CONSTRAINT notes_task_id_fkey FOREIGN KEY (task_id) REFERENCES biz.coach_tasks(id);
ALTER TABLE biz.notes ADD CONSTRAINT notes_pkey PRIMARY KEY (id);
ALTER TABLE biz.recall_events ADD CONSTRAINT recall_events_task_id_fkey FOREIGN KEY (task_id) REFERENCES biz.coach_tasks(id);
ALTER TABLE biz.recall_events ADD CONSTRAINT recall_events_pkey PRIMARY KEY (id);
ALTER TABLE biz.salary_adjustments ADD CONSTRAINT salary_adjustments_upload_batch_id_fkey FOREIGN KEY (upload_batch_id) REFERENCES biz.excel_upload_log(id);
ALTER TABLE biz.salary_adjustments ADD CONSTRAINT salary_adjustments_pkey PRIMARY KEY (id);
ALTER TABLE biz.site_code_history ADD CONSTRAINT site_code_history_pkey PRIMARY KEY (id);
ALTER TABLE biz.site_code_history ADD CONSTRAINT site_code_history_site_code_key UNIQUE (site_code);
ALTER TABLE biz.sites ADD CONSTRAINT sites_tenant_id_fkey FOREIGN KEY (tenant_id) REFERENCES biz.tenants(id);
ALTER TABLE biz.sites ADD CONSTRAINT sites_pkey PRIMARY KEY (id);
ALTER TABLE biz.sites ADD CONSTRAINT sites_site_code_key UNIQUE (site_code);
ALTER TABLE biz.sites ADD CONSTRAINT sites_site_id_key UNIQUE (site_id);
ALTER TABLE biz.stg_finance_expense ADD CONSTRAINT stg_finance_expense_upload_batch_id_fkey FOREIGN KEY (upload_batch_id) REFERENCES biz.excel_upload_log(id);
ALTER TABLE biz.stg_finance_expense ADD CONSTRAINT stg_finance_expense_pkey PRIMARY KEY (id);
ALTER TABLE biz.stg_platform_income ADD CONSTRAINT stg_platform_income_upload_batch_id_fkey FOREIGN KEY (upload_batch_id) REFERENCES biz.excel_upload_log(id);
ALTER TABLE biz.stg_platform_income ADD CONSTRAINT stg_platform_income_pkey PRIMARY KEY (id);
ALTER TABLE biz.stg_recharge_commission ADD CONSTRAINT stg_recharge_commission_upload_batch_id_fkey FOREIGN KEY (upload_batch_id) REFERENCES biz.excel_upload_log(id);
ALTER TABLE biz.stg_recharge_commission ADD CONSTRAINT stg_recharge_commission_pkey PRIMARY KEY (id);
ALTER TABLE biz.tenants ADD CONSTRAINT tenants_connector_id_fkey FOREIGN KEY (connector_id) REFERENCES biz.connectors(id);
ALTER TABLE biz.tenants ADD CONSTRAINT tenants_pkey PRIMARY KEY (id);
ALTER TABLE biz.tenants ADD CONSTRAINT tenants_connector_id_tenant_id_key UNIQUE (connector_id, tenant_id);
ALTER TABLE biz.trigger_jobs ADD CONSTRAINT trigger_jobs_pkey PRIMARY KEY (id);
ALTER TABLE biz.trigger_jobs ADD CONSTRAINT trigger_jobs_job_name_key UNIQUE (job_name);

-- 索引
CREATE INDEX idx_ai_cache_cleanup ON biz.ai_cache USING btree (cache_type, site_id, target_id, created_at);
CREATE INDEX idx_ai_cache_lookup ON biz.ai_cache USING btree (cache_type, site_id, target_id, created_at DESC);
CREATE INDEX idx_ai_conv_app_site ON biz.ai_conversations USING btree (app_id, site_id, created_at DESC);
CREATE INDEX idx_ai_conv_context ON biz.ai_conversations USING btree (user_id, site_id, context_type, context_id, last_message_at DESC NULLS LAST) WHERE (context_type IS NOT NULL);
CREATE INDEX idx_ai_conv_last_msg ON biz.ai_conversations USING btree (user_id, site_id, last_message_at DESC NULLS LAST);
CREATE INDEX idx_ai_conv_user_site ON biz.ai_conversations USING btree (user_id, site_id, created_at DESC);
CREATE INDEX idx_ai_msg_conv ON biz.ai_messages USING btree (conversation_id, created_at);
CREATE INDEX idx_ai_run_logs_alert ON biz.ai_run_logs USING btree (alert_status, created_at DESC) WHERE ((status)::text = ANY ((ARRAY['failed'::character varying, 'timeout'::character varying, 'circuit_open'::character varying])::text[]));
CREATE INDEX idx_ai_run_logs_created ON biz.ai_run_logs USING btree (created_at);
CREATE INDEX idx_ai_run_logs_created_brin ON biz.ai_run_logs USING brin (created_at) WITH (pages_per_range='32');
CREATE INDEX idx_ai_run_logs_site_app ON biz.ai_run_logs USING btree (site_id, app_type);
CREATE INDEX idx_ai_run_logs_status ON biz.ai_run_logs USING btree (status);
CREATE INDEX idx_ai_trigger_jobs_dedup ON biz.ai_trigger_jobs USING btree (event_type, member_id, site_id, created_at) WHERE ((status)::text <> 'skipped_duplicate'::text);
CREATE INDEX idx_ai_trigger_jobs_site ON biz.ai_trigger_jobs USING btree (site_id, event_type);
CREATE INDEX idx_ai_trigger_jobs_status ON biz.ai_trigger_jobs USING btree (status);
CREATE INDEX idx_transfer_log_member ON biz.coach_task_transfer_log USING btree (member_id, created_at DESC);
CREATE INDEX idx_transfer_log_site_created ON biz.coach_task_transfer_log USING btree (site_id, created_at DESC);
CREATE INDEX idx_coach_tasks_assistant_status ON biz.coach_tasks USING btree (site_id, assistant_id, status);
CREATE UNIQUE INDEX idx_coach_tasks_site_assistant_member_type ON biz.coach_tasks USING btree (site_id, assistant_id, member_id, task_type) WHERE ((status)::text = 'active'::text);
CREATE INDEX idx_task_monthly_assistant ON biz.dws_assistant_task_monthly USING btree (assistant_id, stat_month DESC);
CREATE INDEX idx_task_monthly_site_month ON biz.dws_assistant_task_monthly USING btree (site_id, stat_month DESC);
CREATE INDEX idx_excel_log_site ON biz.excel_upload_log USING btree (site_id, created_at DESC);
CREATE INDEX idx_notes_target ON biz.notes USING btree (site_id, target_type, target_id);
CREATE INDEX idx_recall_events_assistant_pay ON biz.recall_events USING btree (site_id, assistant_id, pay_time);
CREATE UNIQUE INDEX idx_recall_events_site_assistant_member_day ON biz.recall_events USING btree (site_id, assistant_id, member_id, date_trunc('day'::text, (pay_time AT TIME ZONE 'Asia/Shanghai'::text)));
CREATE INDEX idx_salary_adj_assistant_month ON biz.salary_adjustments USING btree (assistant_id, salary_month);
CREATE INDEX idx_salary_adj_site_month ON biz.salary_adjustments USING btree (site_id, salary_month);