sqoop数据导入记录

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mob604757013b3c 2021-06-23 23:39:00

文章标签 sqoop hadoop mysql jar sed 文章分类 Hadoop 大数据

需求:

sqoop数据导入记录_mysql

sqoop import \ --connect jdbc:mysql://DAQ102:3306/gmall \ --username root \ --password 123456 \ --table user_info \ --columns id,login_name,nick_name,name \ --where "id >=100 and id <=200" \ --target-dir "/user_info" \ --delete-target-dir \ --num-mappers 2 \ --split-by "id" \ --fields-terminated-by "\t"

改成sql语句形式:注意点:需要对$进行转义
sqoop import \ --connect jdbc:mysql://DAQ102:3306/gmall \ --username root \ --password 123456 \ --query "select id,login_name,nick_name,name from user_info where id >=100 and id<=200 and \$CONDITIONS" \ --target-dir "/user_info" \ --delete-target-dir \ --num-mappers 2 \ --split-by "id" \ --fields-terminated-by "\t"

全量同步:增量同步:新增变化同步

获取前一天日期:impdate=date -d '-1 day' +%F
从mysql中将数据导入到hdfs中;--null-string '\N' --null-non-string '\N'

第一次同步数据脚本:

[atguigu@hadoop102 bin]$ vim mysql_to_hdfs.sh
添加如下内容：

! /bin/bash

APP=gmall
sqoop=/opt/module/sqoop/bin/sqoop

if [ -n "$2" ] ;then
do_date=$2
else
do_date=date -d '-1 day' +%F
fi

import_data(){
$sqoop import
--connect jdbc:mysql://hadoop102:3306/$APP
--username root
--password 123456
--target-dir /origin_data/$APP/db/$1/$do_date
--delete-target-dir
--query "$2 and $CONDITIONS"
--num-mappers 1
--fields-terminated-by '\t'
--compress
--compression-codec lzop
--null-string '\N'
--null-non-string '\N'

hadoop jar /opt/module/hadoop-3.1.3/share/hadoop/common/hadoop-lzo-0.4.20.jar com.hadoop.compression.lzo.DistributedLzoIndexer /origin_data/$APP/db/$1/$do_date
}

import_order_info(){
import_data order_info "select
id,
total_amount,
order_status,
user_id,
payment_way,
delivery_address,
out_trade_no,
create_time,
operate_time,
expire_time,
tracking_no,
province_id,
activity_reduce_amount,
coupon_reduce_amount,
original_total_amount,
feight_fee,
feight_fee_reduce
from order_info
where (date_format(create_time,'%Y-%m-%d')='$do_date'
or date_format(operate_time,'%Y-%m-%d')='$do_date')"
}

import_coupon_use(){
import_data coupon_use "select
id,
coupon_id,
user_id,
order_id,
coupon_status,
get_time,
using_time,
used_time,
expire_time
from coupon_use
where (date_format(get_time,'%Y-%m-%d')='$do_date'
or date_format(using_time,'%Y-%m-%d')='$do_date'
or date_format(used_time,'%Y-%m-%d')='$do_date'
or date_format(expire_time,'%Y-%m-%d')='$do_date')"
}

import_order_status_log(){
import_data order_status_log "select
id,
order_id,
order_status,
operate_time
from order_status_log
where date_format(operate_time,'%Y-%m-%d')='$do_date'"
}

import_user_info(){
import_data "user_info" "select
id,
login_name,
nick_name,
name,
phone_num,
email,
user_level,
birthday,
gender,
create_time,
operate_time
from user_info
where (DATE_FORMAT(create_time,'%Y-%m-%d')='$do_date'
or DATE_FORMAT(operate_time,'%Y-%m-%d')='$do_date')"
}

import_order_detail(){
import_data order_detail "select
id,
order_id,
sku_id,
sku_name,
order_price,
sku_num,
create_time,
source_type,
source_id,
split_total_amount,
split_activity_amount,
split_coupon_amount
from order_detail
where DATE_FORMAT(create_time,'%Y-%m-%d')='$do_date'"
}

import_payment_info(){
import_data "payment_info" "select
id,
out_trade_no,
order_id,
user_id,
payment_type,
trade_no,
total_amount,
subject,
payment_status,
create_time,
callback_time
from payment_info
where (DATE_FORMAT(create_time,'%Y-%m-%d')='$do_date'
or DATE_FORMAT(callback_time,'%Y-%m-%d')='$do_date')"
}

import_comment_info(){
import_data comment_info "select
id,
user_id,
sku_id,
spu_id,
order_id,
appraise,
create_time
from comment_info
where date_format(create_time,'%Y-%m-%d')='$do_date'"
}

import_order_refund_info(){
import_data order_refund_info "select
id,
user_id,
order_id,
sku_id,
refund_type,
refund_num,
refund_amount,
refund_reason_type,
refund_status,
create_time
from order_refund_info
where date_format(create_time,'%Y-%m-%d')='$do_date'"
}

import_sku_info(){
import_data sku_info "select
id,
spu_id,
price,
sku_name,
sku_desc,
weight,
tm_id,
category3_id,
is_sale,
create_time
from sku_info where 1=1"
}

import_base_category1(){
import_data "base_category1" "select
id,
name
from base_category1 where 1=1"
}

import_base_category2(){
import_data "base_category2" "select
id,
name,
category1_id
from base_category2 where 1=1"
}

import_base_category3(){
import_data "base_category3" "select
id,
name,
category2_id
from base_category3 where 1=1"
}

import_base_province(){
import_data base_province "select
id,
name,
region_id,
area_code,
iso_code,
iso_3166_2
from base_province
where 1=1"
}

import_base_region(){
import_data base_region "select
id,
region_name
from base_region
where 1=1"
}

import_base_trademark(){
import_data base_trademark "select
id,
tm_name
from base_trademark
where 1=1"
}

import_spu_info(){
import_data spu_info "select
id,
spu_name,
category3_id,
tm_id
from spu_info
where 1=1"
}

import_favor_info(){
import_data favor_info "select
id,
user_id,
sku_id,
spu_id,
is_cancel,
create_time,
cancel_time
from favor_info
where 1=1"
}

import_cart_info(){
import_data cart_info "select
id,
user_id,
sku_id,
cart_price,
sku_num,
sku_name,
create_time,
operate_time,
is_ordered,
order_time,
source_type,
source_id
from cart_info
where 1=1"
}

import_coupon_info(){
import_data coupon_info "select
id,
coupon_name,
coupon_type,
condition_amount,
condition_num,
activity_id,
benefit_amount,
benefit_discount,
create_time,
range_type,
limit_num,
taken_count,
start_time,
end_time,
operate_time,
expire_time
from coupon_info
where 1=1"
}

import_activity_info(){
import_data activity_info "select
id,
activity_name,
activity_type,
start_time,
end_time,
create_time
from activity_info
where 1=1"
}

import_activity_rule(){
import_data activity_rule "select
id,
activity_id,
activity_type,
condition_amount,
condition_num,
benefit_amount,
benefit_discount,
benefit_level
from activity_rule
where 1=1"
}

import_base_dic(){
import_data base_dic "select
dic_code,
dic_name,
parent_code,
create_time,
operate_time
from base_dic
where 1=1"
}

import_order_detail_activity(){
import_data order_detail_activity "select
id,
order_id,
order_detail_id,
activity_id,
activity_rule_id,
sku_id,
create_time
from order_detail_activity
where date_format(create_time,'%Y-%m-%d')='$do_date'"
}

import_order_detail_coupon(){
import_data order_detail_coupon "select
id,
order_id,
order_detail_id,
coupon_id,
coupon_use_id,
sku_id,
create_time
from order_detail_coupon
where date_format(create_time,'%Y-%m-%d')='$do_date'"
}

import_refund_payment(){
import_data refund_payment "select
id,
out_trade_no,
order_id,
sku_id,
payment_type,
trade_no,
total_amount,
subject,
refund_status,
create_time,
callback_time
from refund_payment
where (DATE_FORMAT(create_time,'%Y-%m-%d')='$do_date'
or DATE_FORMAT(callback_time,'%Y-%m-%d')='$do_date')"

}

import_sku_attr_value(){
import_data sku_attr_value "select
id,
attr_id,
value_id,
sku_id,
attr_name,
value_name
from sku_attr_value
where 1=1"
}

import_sku_sale_attr_value(){
import_data sku_sale_attr_value "select
id,
sku_id,
spu_id,
sale_attr_value_id,
sale_attr_id,
sale_attr_name,
sale_attr_value_name
from sku_sale_attr_value
where 1=1"
}

case $1 in
"order_info")
import_order_info
;;
"base_category1")
import_base_category1
;;
"base_category2")
import_base_category2
;;
"base_category3")
import_base_category3
;;
"order_detail")
import_order_detail
;;
"sku_info")
import_sku_info
;;
"user_info")
import_user_info
;;
"payment_info")
import_payment_info
;;
"base_province")
import_base_province
;;
"activity_info")
import_activity_info
;;
"cart_info")
import_cart_info
;;
"comment_info")
import_comment_info
;;
"coupon_info")
import_coupon_info
;;
"coupon_use")
import_coupon_use
;;
"favor_info")
import_favor_info
;;
"order_refund_info")
import_order_refund_info
;;
"order_status_log")
import_order_status_log
;;
"spu_info")
import_spu_info
;;
"activity_rule")
import_activity_rule
;;
"base_dic")
import_base_dic
;;
"order_detail_activity")
import_order_detail_activity
;;
"order_detail_coupon")
import_order_detail_coupon
;;
"refund_payment")
import_refund_payment
;;
"sku_attr_value")
import_sku_attr_value
;;
"sku_sale_attr_value")
import_sku_sale_attr_value
;;
"all")
import_base_category1
import_base_category2
import_base_category3
import_order_info
import_order_detail
import_sku_info
import_user_info
import_payment_info
import_base_trademark
import_activity_info
import_cart_info
import_comment_info
import_coupon_use
import_coupon_info
import_favor_info
import_order_refund_info
import_order_status_log
import_spu_info
import_activity_rule
import_base_dic
import_order_detail_activity
import_order_detail_coupon
import_refund_payment
import_sku_attr_value
import_sku_sale_attr_value
;;
esac

每日数据导入脚本: