阿里云r7服务器内存型CPU采用

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2023-10-12

一、思路

直接在hive表中去掉有默认值的了列,在sqoop导入时,指定非默认值列即可,

二、具体

mysql的表

hive的表 

create table dwd.dwd_hk_rcp_literature(
    id string,
    literature_no string,
    authors string,
    article_title string,
    source_title string,
    publication_date string,
    publication_year string,
    volume string,
    issue string,
    price string,
    created_at string,--插入时间
--     updated_at string,--这个字段不管
--     delete_status string,--有默认值
    abstract string
)
row format delimited
fields terminated by "\001"
;

sqoop导入

sqoop export \
--connect jdbc:mysql://ip:端口号/yly_ms_dev \
--username 用户名 \
--password 密码 \
--table hk_rcp_literature \
--columns "id,literature_no,author,article_title,source_title,publication_date,publication_year,volume,issue,price,created_at,abstracts" \
--export-dir /user/hive/warehouse/dwd.db/dwd_hk_rcp_literature \
--input-fields-terminated-by "\001"

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