------------------------------------------2019-11-08-----------------------------------------------
-- 删除友邻社区ID字段
ALTER TABLE epdc_events DROP COLUMN FRIENDLY_COMMUNITY_ID;
ALTER TABLE epdc_issue DROP COLUMN FRIENDLY_COMMUNITY_ID;
ALTER TABLE epdc_item DROP COLUMN FRIENDLY_COMMUNITY_ID;
-- 增加社群ID字段
ALTER TABLE epdc_events ADD GROUP_ID varchar(32) NULL COMMENT '社群ID';
ALTER TABLE epdc_issue ADD GROUP_ID varchar(32) NULL COMMENT '社群ID';
ALTER TABLE epdc_item ADD GROUP_ID varchar(32) NULL COMMENT '社群ID';
-- 增加社群名称字段
ALTER TABLE epdc_events ADD GROUP_NAME varchar(128) NULL COMMENT '社群名称';
ALTER TABLE epdc_issue ADD GROUP_NAME varchar(128) NULL COMMENT '社群名称';
ALTER TABLE epdc_item ADD GROUP_NAME varchar(128) NULL COMMENT '社群名称';
------------------------------------------2019-11-08-----------------------------------------------

------------------------------------------2019-11-11-----------------------------------------------
-- 增加话题ID字段
ALTER TABLE epdc_events ADD TOPIC_ID varchar(32) NULL COMMENT '话题ID';
ALTER TABLE epdc_issue ADD TOPIC_ID varchar(32) NULL COMMENT '话题ID';
ALTER TABLE epdc_item ADD TOPIC_ID varchar(32) NULL COMMENT '话题ID';
------------------------------------------2019-11-11-----------------------------------------------