1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
import os
import sys
sys.path.append(os.path.dirname(sys.path[0]))
from utils.common_util import CommonUtil
from utils.hdfs_utils import HdfsUtils
from pyspark.sql import functions as F
from utils.templates import Templates
class DwtThemeStAsin(Templates):
def __init__(self, site_name='us', date_type='month', date_info='2024-01'):
super().__init__()
self.site_name = site_name
self.date_type = date_type
self.date_info = date_info
self.db_save = "dwt_theme_st_asin"
self.spark = self.create_spark_object(
app_name=f"{self.db_save}: {self.site_name}, {self.date_type}, {self.date_info}")
self.reset_partitions(partitions_num=20)
self.partition_dict = {
"site_name": site_name,
"date_type": date_type,
"date_info": date_info
}
self.df_st_theme = self.spark.sql(f"select 1+1;")
self.df_st_asin = self.spark.sql(f"select 1+1;")
self.df_save = self.spark.sql(f"select 1+1;")
self.df_joined = self.spark.sql(f"select 1+1;")
def read_data(self):
sql = f"""
select
theme_ch,
theme_en,
theme_label_ch,
theme_label_en,
st_key,
search_term
from dws_st_theme
where site_name = '{self.site_name}'
and date_type = '{self.date_type}'
and date_info = '{self.date_info}';
"""
print(sql)
self.df_st_theme = self.spark.sql(sql).cache()
sql = f"""
select
search_term,
asin
from dim_st_asin_info
where site_name = '{self.site_name}'
and date_type = '{self.date_type}'
and date_info = '{self.date_info}';
"""
print(sql)
self.df_st_asin = self.spark.sql(sql).cache()
def handle_data(self):
self.df_st_asin = self.df_st_asin.dropDuplicates(["search_term", "asin"])
self.df_st_theme = self.df_st_theme.dropDuplicates(
["theme_ch", "theme_en", "theme_label_ch", "theme_label_en", "st_key", "search_term"]
)
self.df_joined = self.df_st_asin.join(self.df_st_theme, "search_term", "inner")
def save_data(self):
self.df_save = self.df_joined.select(
F.col('theme_ch'),
F.col('theme_en'),
F.col('theme_label_ch'),
F.col('theme_label_en'),
F.col('st_key'),
F.col('search_term'),
F.col('asin'),
F.date_format(F.current_timestamp(), 'yyyy-MM-dd HH:mm:SS').alias('created_time'),
F.date_format(F.current_timestamp(), 'yyyy-MM-dd HH:mm:SS').alias('updated_time'),
F.lit(self.site_name).alias('site_name'),
F.lit(self.date_type).alias('date_type'),
F.lit(self.date_info).alias('date_info')
)
hdfs_path_asin_info = CommonUtil.build_hdfs_path(self.db_save, partition_dict=self.partition_dict)
print(f"清除hdfs目录中:{hdfs_path_asin_info}")
HdfsUtils.delete_file_in_folder(hdfs_path_asin_info)
partition_by = ["site_name", "date_type", "date_info"]
print(f"当前存储的表名为：{self.db_save},分区为{partition_by}", )
self.df_save.write.saveAsTable(name=self.db_save, format='hive', mode='append', partitionBy=partition_by)
print("success")
if __name__ == '__main__':
site_name = CommonUtil.get_sys_arg(1, None)
date_type = CommonUtil.get_sys_arg(2, None)
date_info = CommonUtil.get_sys_arg(3, None)
assert site_name is not None, "site_name 不能为空！"
assert date_type is not None, "date_type 不能为空！"
assert date_info is not None, "date_info 不能为空！"
obj = DwtThemeStAsin(site_name=site_name, date_type=date_type, date_info=date_info)
obj.run()