-- 目标表改名
ALTER TABLE assessuser RENAME  kc_assessuser;
ALTER TABLE casusers RENAME  kc_casusers;
ALTER TABLE errorreport RENAME  kc_errorreport;
ALTER TABLE evaluation RENAME  kc_evaluation;
ALTER TABLE evaluationans RENAME  kc_evaluationans;
ALTER TABLE evaluationque RENAME  kc_evaluationque;
ALTER TABLE evaluations RENAME  kc_evaluations;
ALTER TABLE evaluationstudent RENAME  kc_evaluationstudent;
ALTER TABLE gongkaike RENAME  kc_gongkaike;
ALTER TABLE jieci RENAME  kc_jieci;
ALTER TABLE kechengbiao RENAME  kc_kechengbiao;
ALTER TABLE ketangbiao RENAME  kc_ketangbiao;
ALTER TABLE kkdw RENAME  kc_kkdw;
ALTER TABLE notice RENAME  kc_notice;
ALTER TABLE suggestions RENAME  kc_suggestions;
ALTER TABLE tingke RENAME  kc_tingke;
ALTER TABLE yuyue RENAME  kc_yuyue;
ALTER TABLE kechengtixingdingyue RENAME  kc_kechengtixingdingyue;
ALTER TABLE synusers RENAME  kc_synusers;
ALTER TABLE xuekeduiyingbiao RENAME  kc_xuekeduiyingbiao;
ALTER TABLE bdgxbcopy RENAME  kc_bdgxbcopy;


-- 拷贝数据表后执行修改数据类型语句
ALTER TABLE kc_errorreport 
MODIFY COLUMN id varchar(32) NOT NULL FIRST,
MODIFY COLUMN kechengbiaoid varchar(32) NULL DEFAULT NULL COMMENT '课程表ID' AFTER reportstatus;

ALTER TABLE kc_evaluation 
MODIFY COLUMN id varchar(32) NOT NULL FIRST,
MODIFY COLUMN upuserid varchar(32) NULL DEFAULT NULL COMMENT '上传人id' AFTER upuser,
MODIFY COLUMN minkcid varchar(32) NULL DEFAULT NULL COMMENT '课程最小id' AFTER up_timestamp;

ALTER TABLE kc_evaluationans 
MODIFY COLUMN id varchar(32) NOT NULL FIRST,
MODIFY COLUMN queid varchar(32) NOT NULL COMMENT '问题ID' AFTER id;

ALTER TABLE kc_evaluationque 
MODIFY COLUMN id varchar(32) NOT NULL FIRST;

ALTER TABLE kc_evaluations 
MODIFY COLUMN id varchar(32) NOT NULL FIRST,
MODIFY COLUMN upuserid varchar(32) NULL DEFAULT NULL COMMENT '上传人id' AFTER upuser,
MODIFY COLUMN ketangbiaoid varchar(32) NULL DEFAULT NULL COMMENT '课堂表id' AFTER up_timestamp,
MODIFY COLUMN queid varchar(32) NOT NULL COMMENT '问题id' AFTER ketangbiaoid,
MODIFY COLUMN ansid varchar(32) NULL DEFAULT NULL COMMENT '答案id' AFTER queid;

ALTER TABLE kc_evaluationstudent 
MODIFY COLUMN id varchar(32) NOT NULL FIRST;

ALTER TABLE kc_gongkaike 
MODIFY COLUMN id varchar(32) NOT NULL FIRST;

ALTER TABLE kc_notice 
MODIFY COLUMN id varchar(32) NOT NULL FIRST;

ALTER TABLE kc_suggestions 
MODIFY COLUMN id varchar(32) NOT NULL FIRST,
MODIFY COLUMN userid varchar(32) NULL DEFAULT NULL COMMENT '提交人id' AFTER id,
MODIFY COLUMN feedbackuserid varchar(32) NULL DEFAULT NULL COMMENT '反馈人id' AFTER feedback;

ALTER TABLE kc_tingke 
MODIFY COLUMN id varchar(32) NOT NULL FIRST,
MODIFY COLUMN kechengbiaoid varchar(32) NULL DEFAULT NULL COMMENT '课堂表ID（不是课程表ID）' AFTER jianchatime;

ALTER TABLE kc_yuyue 
MODIFY COLUMN id varchar(32) NOT NULL FIRST,
MODIFY COLUMN ketangbiaoid varchar(32) NULL DEFAULT NULL COMMENT '课堂表id' AFTER id,
MODIFY COLUMN userid varchar(32) NULL DEFAULT NULL COMMENT '账号' AFTER ketangbiaoid;

ALTER TABLE kc_errorreport 
ADD COLUMN create_time datetime NULL AFTER sfcj;

ALTER TABLE kc_notice
MODIFY COLUMN ndate date NULL DEFAULT NULL COMMENT '发布日期' AFTER nlink;

ALTER TABLE kc_kechengtixingdingyue
MODIFY COLUMN userid varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '账号' FIRST;

ALTER TABLE  kc_kechengbiao 
ADD COLUMN jsbh varchar(255) NULL COMMENT '教室编号' AFTER zt,
ADD COLUMN kcdl varchar(255) NULL COMMENT '课程大类' AFTER jsbh;

ALTER TABLE kc_gongkaike 
ADD COLUMN tpmc2 varchar(255) NULL COMMENT '图片名称2' AFTER hxrlb,
ADD COLUMN tpmc3 varchar(255) NULL COMMENT '图片名称3' AFTER tpmc2;

ALTER TABLE xxhbkckb 
ADD COLUMN JSBH varchar(255) NULL COMMENT '教室编号' AFTER KCXZ;

ALTER TABLE kc_kechengbiao 
ADD COLUMN jsbh varchar(255) NULL COMMENT '教室编号' AFTER kcxz;

ALTER TABLE kc_ketangbiao 
ADD COLUMN jsbh varchar(255) NULL COMMENT '教室编号' AFTER kcxz;

ALTER TABLE kc_ketangbiao 
MODIFY COLUMN id varchar(64) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL FIRST;