#!/bin/bash

#set -x

DB=$1

#获取hive表定义

ret=$(hive -e "use ${DB};show tables;"|grep -v _es|grep -v _hb|grep -v importinfo)

for tem in $ret;

do

    echo ${tem}_tmp

    hive -e "use ${DB};drop table ${tem}_tmp"

    hive -e "use ${DB};create table ${tem}_tmp_1 as select * from ${tem}"

    hive -e "use ${DB};alter table ${tem} rename to ${tem}_tmp"

    hive -e "use ${DB};alter table ${tem}_tmp_1 rename to ${tem}"

done

impala-shell -q 'invalidate metadata' -i hslave1

#使用了impala所以要更新