refactor(database): 补全客户管理模块表结构与索引
新增客户业务编号、业务员关联字段，补全updated_at列和更新触发器，优化索引命名与新增必要索引，新增增量迁移脚本
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-- ============================================================
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-- 增量更新脚本：客户管理模块结构补全
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-- 日期：2026-08-23
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-- 数据库：PostgreSQL 15+ (xintong)
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-- 说明：客户管理核心模块（客户信息/客户部门/客户访问账号）表结构
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-- 与 Sequelize Entity 定义对齐，补齐缺失列、索引及 updated_at 触发器。
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-- 脚本幂等，可重复执行。
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--
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-- 更新内容：
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-- 1. customer 表
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-- - 新增列 customer_no VARCHAR(64) NOT NULL UNIQUE（客户业务编号）
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-- - 新增列 salesman_id BIGINT REFERENCES sys_user(id)（负责业务员）
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-- - 新增索引 idx_customer_salesman (salesman_id)
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-- - 新增索引 idx_customer_status (status)
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-- 2. customer_department 表
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-- - 新增列 updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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-- - 新增触发器 trg_customer_department_updated_at
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-- - 重命名索引 idx_cust_dept_customer → idx_dept_customer（若新索引已存在则删除旧索引）
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-- 3. customer_account 表
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-- - 新增列 updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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-- - 新增触发器 trg_customer_account_updated_at
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-- - 新增索引 idx_account_customer (customer_id)
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-- - 重命名唯一索引 idx_cust_account_phone → uk_account_phone
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--
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-- 用法：
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-- psql -U postgres -d xintong -f 20260823_customer_module.sql
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-- ============================================================
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BEGIN;
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-- ============================================================
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-- 1. customer 表：补 customer_no、salesman_id 列及索引
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-- ============================================================
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-- 1.1 新增 customer_no 列（客户业务编号 KH+YYYYMMDD+3位序号）
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = 'customer' AND column_name = 'customer_no'
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) THEN
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ALTER TABLE customer ADD COLUMN customer_no VARCHAR(64) NOT NULL;
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ALTER TABLE customer ADD CONSTRAINT uk_customer_no UNIQUE (customer_no);
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COMMENT ON COLUMN customer.customer_no IS '客户业务编号（KH+YYYYMMDD+3位序号）';
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RAISE NOTICE 'customer: 已新增列 customer_no';
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ELSE
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RAISE NOTICE 'customer: 列 customer_no 已存在，跳过';
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END IF;
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END $$;
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-- 1.2 新增 salesman_id 列（负责业务员，关联 sys_user.id）
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = 'customer' AND column_name = 'salesman_id'
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) THEN
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ALTER TABLE customer ADD COLUMN salesman_id BIGINT REFERENCES sys_user(id);
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COMMENT ON COLUMN customer.salesman_id IS '负责业务员（→ sys_user.id）';
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RAISE NOTICE 'customer: 已新增列 salesman_id';
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ELSE
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RAISE NOTICE 'customer: 列 salesman_id 已存在，跳过';
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END IF;
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END $$;
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-- 1.3 新增索引 idx_customer_salesman
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer' AND indexname = 'idx_customer_salesman'
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) THEN
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CREATE INDEX idx_customer_salesman ON customer (salesman_id);
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RAISE NOTICE 'customer: 已创建索引 idx_customer_salesman';
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ELSE
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RAISE NOTICE 'customer: 索引 idx_customer_salesman 已存在，跳过';
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END IF;
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END $$;
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-- 1.4 新增索引 idx_customer_status
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer' AND indexname = 'idx_customer_status'
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) THEN
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CREATE INDEX idx_customer_status ON customer (status);
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RAISE NOTICE 'customer: 已创建索引 idx_customer_status';
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ELSE
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RAISE NOTICE 'customer: 索引 idx_customer_status 已存在，跳过';
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END IF;
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END $$;
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-- ============================================================
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-- 2. customer_department 表：补 updated_at 列、触发器，重命名索引
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-- ============================================================
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-- 2.1 新增 updated_at 列
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = 'customer_department' AND column_name = 'updated_at'
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) THEN
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ALTER TABLE customer_department
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ADD COLUMN updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW();
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COMMENT ON COLUMN customer_department.updated_at IS '更新时间';
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RAISE NOTICE 'customer_department: 已新增列 updated_at';
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ELSE
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RAISE NOTICE 'customer_department: 列 updated_at 已存在，跳过';
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END IF;
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END $$;
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-- 2.2 新增 updated_at 触发器
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DROP TRIGGER IF EXISTS trg_customer_department_updated_at ON customer_department;
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CREATE TRIGGER trg_customer_department_updated_at BEFORE UPDATE ON customer_department
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FOR EACH ROW EXECUTE FUNCTION trigger_set_updated_at();
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-- 2.3 重命名索引 idx_cust_dept_customer → idx_dept_customer
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DO $$
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BEGIN
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IF EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer_department' AND indexname = 'idx_cust_dept_customer'
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) AND NOT EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer_department' AND indexname = 'idx_dept_customer'
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) THEN
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ALTER INDEX idx_cust_dept_customer RENAME TO idx_dept_customer;
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RAISE NOTICE 'customer_department: 已重命名索引 idx_cust_dept_customer → idx_dept_customer';
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ELSE
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RAISE NOTICE 'customer_department: 索引重命名已跳过（源不存在或目标已存在）';
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END IF;
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END $$;
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-- 2.4 删除可能残留的旧索引 idx_cust_dept_customer（新旧并存时清理冗余）
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DROP INDEX IF EXISTS idx_cust_dept_customer;
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-- 2.5 兜底：确保 idx_dept_customer 存在
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer_department' AND indexname = 'idx_dept_customer'
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) THEN
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CREATE INDEX idx_dept_customer ON customer_department (customer_id);
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RAISE NOTICE 'customer_department: 已创建索引 idx_dept_customer';
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ELSE
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RAISE NOTICE 'customer_department: 索引 idx_dept_customer 已存在，跳过';
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END IF;
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END $$;
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-- ============================================================
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-- 3. customer_account 表：补 updated_at 列、触发器，新增/重命名索引
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-- ============================================================
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-- 3.1 新增 updated_at 列
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = 'customer_account' AND column_name = 'updated_at'
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) THEN
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ALTER TABLE customer_account
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ADD COLUMN updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW();
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COMMENT ON COLUMN customer_account.updated_at IS '更新时间';
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RAISE NOTICE 'customer_account: 已新增列 updated_at';
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ELSE
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RAISE NOTICE 'customer_account: 列 updated_at 已存在，跳过';
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END IF;
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END $$;
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-- 3.2 新增 updated_at 触发器
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DROP TRIGGER IF EXISTS trg_customer_account_updated_at ON customer_account;
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CREATE TRIGGER trg_customer_account_updated_at BEFORE UPDATE ON customer_account
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FOR EACH ROW EXECUTE FUNCTION trigger_set_updated_at();
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-- 3.3 新增 customer_id 普通索引 idx_account_customer
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer_account' AND indexname = 'idx_account_customer'
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) THEN
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CREATE INDEX idx_account_customer ON customer_account (customer_id);
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RAISE NOTICE 'customer_account: 已创建索引 idx_account_customer';
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ELSE
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RAISE NOTICE 'customer_account: 索引 idx_account_customer 已存在，跳过';
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END IF;
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END $$;
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-- 3.4 重命名唯一索引 idx_cust_account_phone → uk_account_phone
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DO $$
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BEGIN
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IF EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer_account' AND indexname = 'idx_cust_account_phone'
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) AND NOT EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer_account' AND indexname = 'uk_account_phone'
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) THEN
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ALTER INDEX idx_cust_account_phone RENAME TO uk_account_phone;
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RAISE NOTICE 'customer_account: 已重命名索引 idx_cust_account_phone → uk_account_phone';
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ELSE
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RAISE NOTICE 'customer_account: 索引重命名已跳过（源不存在或目标已存在）';
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END IF;
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END $$;
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-- 3.5 兜底：确保 uk_account_phone 存在
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_indexes WHERE tablename = 'customer_account' AND indexname = 'uk_account_phone'
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) THEN
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CREATE UNIQUE INDEX uk_account_phone ON customer_account (phone);
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RAISE NOTICE 'customer_account: 已创建唯一索引 uk_account_phone';
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ELSE
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RAISE NOTICE 'customer_account: 索引 uk_account_phone 已存在，跳过';
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END IF;
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END $$;
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COMMIT;
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-- ============================================================
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-- 验证查询（可选，不报错即表示结构正确）
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-- ============================================================
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SELECT 'customer' AS tbl, column_name FROM information_schema.columns
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WHERE table_name = 'customer' AND column_name IN ('customer_no', 'salesman_id')
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UNION ALL
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SELECT 'customer_department', column_name FROM information_schema.columns
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WHERE table_name = 'customer_department' AND column_name = 'updated_at'
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UNION ALL
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SELECT 'customer_account', column_name FROM information_schema.columns
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WHERE table_name = 'customer_account' AND column_name = 'updated_at'
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ORDER BY tbl, column_name;
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