-- ---------------------------- -- 候选人表结构更新脚本 (PostgreSQL) -- 说明:此脚本用于为候选人表添加缺失字段 -- 请根据实际情况谨慎执行,建议先备份数据 -- ---------------------------- -- ---------------------------- -- 第一步:备份原有数据(可选,建议执行) -- ---------------------------- -- create table biz_candidate_backup as select * from biz_candidate; -- ---------------------------- -- 第二步:添加缺失字段 -- ---------------------------- -- 沟通日期 alter table biz_candidate add column if not exists communication_date date; -- 项目组 alter table biz_candidate add column if not exists project_group varchar(100); -- 统招是否 alter table biz_candidate add column if not exists is_unified_recruitment char(1); -- 专业 alter table biz_candidate add column if not exists major varchar(100); -- 是否愿意外派 alter table biz_candidate add column if not exists willing_to_outsource char(1); -- 是否在职 alter table biz_candidate add column if not exists is_employed char(1); -- 离职周期多久 alter table biz_candidate add column if not exists resignation_cycle varchar(50); -- 什么时候方便面试 alter table biz_candidate add column if not exists interview_availability varchar(200); -- 候选人住哪里 alter table biz_candidate add column if not exists residence_location varchar(200); -- 是否加微信 alter table biz_candidate add column if not exists wechat_added char(1); -- ---------------------------- -- 第三步:添加字段注释 -- ---------------------------- comment on column biz_candidate.communication_date is '沟通日期'; comment on column biz_candidate.project_group is '项目组'; comment on column biz_candidate.is_unified_recruitment is '统招是否(0否 1是)'; comment on column biz_candidate.major is '专业'; comment on column biz_candidate.willing_to_outsource is '是否愿意外派(0否 1是)'; comment on column biz_candidate.is_employed is '是否在职(0否 1是)'; comment on column biz_candidate.resignation_cycle is '离职周期多久'; comment on column biz_candidate.interview_availability is '什么时候方便面试'; comment on column biz_candidate.residence_location is '候选人住哪里'; comment on column biz_candidate.wechat_added is '是否加微信(0否 1是)'; -- ---------------------------- -- 第三步:添加唯一约束 -- ---------------------------- -- 删除可能存在的旧索引 drop index if exists uk_name; drop index if exists uk_phone_number; drop index if exists uk_name_phone; -- 创建唯一索引:姓名唯一(处理空值) create unique index uk_name on biz_candidate(name) where name is not null; -- 创建唯一索引:手机号码唯一(处理空值) create unique index uk_phone_number on biz_candidate(phone_number) where phone_number is not null;