info相关表，列名统一大写

epmet-module/epmet-message/epmet-message-server/src/main/resources/db/migration/V0.3.17__alter_info_table_ucase.sql

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+alter table info_profile change column publish_staff_id PUBLISH_STAFF_ID varchar(64) not null comment '发布人id';
+alter table info_profile change column content CONTENT varchar(512) not null comment '内容概要，取前100字';
+alter table info_profile change column first_att_id FIRST_ATT_ID varchar(64) comment '默认附件表的第一个条用于展示';
+alter table info_profile change column total_receiver TOTAL_RECEIVER int(11) not null comment '应读人数';
+alter table info_profile change column read_total READ_TOTAL int(11) not null default '0' comment '已读人数，插入是为0';
+
+alter table info change column publish_staff_id PUBLISH_STAFF_ID varchar(64)not null comment '发布人id';
+alter table info change column content CONTENT varchar(1024) not null comment '内容，这里存储全部的内容。';
+
+alter table info_group_receivers change column info_receiver_group_id INFO_RECEIVER_GROUP_ID varchar(64) not null comment '群组id';