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import os
import sys
sys.path.append(os.path.dirname(sys.path[0]))
from utils.hdfs_utils import HdfsUtils
from utils.ssh_util import SSHUtil
from utils.db_util import DBUtil, DbTypes
from utils.common_util import CommonUtil
def handle_first_import():
conn_info = DBUtil.get_connection_info(DbTypes.postgresql_test.name, "us")
query = f"""
select *
from de_merchantwords_st_detail_2024
where 1=1
and \$CONDITIONS
"""
cmd1 = CommonUtil.build_import_sh_tmp_inner(
conn_info,
query,
"de_tmp_merchantwords_st_detail_2024",
50,
"id"
)
print(cmd1)
pass
def handle_append_import():
conn_info = DBUtil.get_connection_info(DbTypes.postgresql.name, "us")
hive_tb = "tmp_merchantwords_st_detail_append"
query = f"""
select *
from merchantwords_st_detail_append
where 1=1
and \$CONDITIONS
"""
# 先删掉表
client = SSHUtil.get_ssh_client()
cmd = rf"""{CommonUtil.__hive_home__} -e "drop table if exists big_data_selection.{hive_tb};" """
print("====================================删掉临时导入表中=======================================================")
print(cmd)
SSHUtil.exec_command_async(client, cmd, ignore_err=False)
cmd = CommonUtil.build_import_sh_tmp_inner(conn_info, query, hive_tb)
print("====================================导入到临时导表中=======================================================")
print(cmd)
SSHUtil.exec_command_async(client, cmd, ignore_err=False)
client.close()
def handle_append_import_ods(site_name, date_info):
assert site_name is not None, "site_name 不能为空！"
assert date_info is not None, "date_info 不能为空！"
hive_tb = "ods_merchantwords_st_detail_append"
partition_dict = {
"site_name": site_name,
"date_info": date_info,
}
hdfs_path = CommonUtil.build_hdfs_path(hive_tb, partition_dict=partition_dict)
print(f"hdfs_path is {hdfs_path}")
query = f"""select keyword,
volume,
avg_3m,
avg_12m,
depth,
results_count,
sponsored_ads_count,
page_1_reviews,
appearance,
last_seen,
update_time,
source_type
from merchantwords_st_detail_append
where 1 = 1
and site_name = '{site_name}'
and import_day = '{date_info}'
and \$CONDITIONS
"""
pass
print("================================sql====================================")
print(query)
db_type = DbTypes.postgresql.name
empty_flag, check_flag = CommonUtil.check_schema_before_import(db_type=db_type,
site_name=site_name,
query=query,
hive_tb_name=hive_tb,
msg_usr=['wujicang']
)
assert check_flag, f"导入到hive表{hive_tb}，源表表结构检查失败！请检查query是否异常！！"
assert not empty_flag, f"导入数据为空，请检查！！"
sh = CommonUtil.build_import_sh(site_name=site_name,
db_type=db_type,
query=query,
hdfs_path=hdfs_path)
# 导入前先删除
HdfsUtils.delete_hdfs_file(hdfs_path)
client = SSHUtil.get_ssh_client()
SSHUtil.exec_command_async(client, sh, ignore_err=False)
CommonUtil.after_import(hdfs_path=hdfs_path, hive_tb=hive_tb)
client.close()
pass
if __name__ == '__main__':
update_flag = CommonUtil.get_sys_arg(1, None)
if update_flag == 'update':
site_name = CommonUtil.get_sys_arg(2, 'us')
date_info = CommonUtil.get_sys_arg(3, CommonUtil.format_now('%Y-%m-%d'))
handle_append_import_ods(site_name, date_info)
else:
handle_first_import()
pass