修复以图搜图导入doris数据不一致问题

Pyspark_job/img_search/img_id_index_to_doris.py

-import ast
-import datetime
-import logging
 import os
-import re
 import sys
-import threading
-import time
-import traceback
-
-import pandas as pd
-import redis
-from pyspark.sql.types import ArrayType, FloatType
-
+sys.path.append("/opt/module/spark-3.2.0-bin-hadoop3.2/demo/py_demo/")
 os.environ["PYARROW_IGNORE_TIMEZONE"] = "1"
 sys.path.append(os.path.dirname(sys.path[0]))  # 上级目录
-from utils.templates_mysql import TemplatesMysql
 from utils.templates import Templates
-# from ..utils.templates import Templates
-from py4j.java_gateway import java_import
-from sqlalchemy import text
-from pyspark.sql import functions as F
-import pyarrow as pa
-import pyarrow.parquet as pq
-from multiprocessing import Process
-from multiprocessing import Pool
-import multiprocessing
+from utils.secure_db_client import get_remote_engine
 from utils.db_util import DbTypes, DBUtil
-from utils.StarRocksHelper import StarRocksHelper
+from utils.DorisHelper import DorisHelper
 
 
 class ImgIdIndexToDoris(Templates):
@@ -36,10 +16,12 @@ class ImgIdIndexToDoris(Templates):
         self.site_name = site_name
         self.img_type = img_type
         self.engine_doris = DBUtil.get_db_engine(db_type=DbTypes.doris.name, site_name=self.site_name)
+        self.table_name = "img_dwd_id_index"
+        self.doris_table = "img_id_index_copy"
+        self.db_save = self.table_name
         self.spark = self.create_spark_object(app_name=f"{self.db_save}: {self.site_name}")
         self.df_id_index = self.spark.sql(f"select 1+1;")
-        self.table_name = "img_dwd_id_index"
-        self.table_save = "img_id_index_copy"
+        self.doris_db = "selection"
 
     def read_data(self):
         sql = f"select id, index, img_unique, site_name, img_type from {self.table_name} where site_name='{self.site_name}' and img_type = '{self.img_type}';"
@@ -48,24 +30,50 @@ class ImgIdIndexToDoris(Templates):
         self.df_id_index.show(10)
         print(f"self.df_id_index.count(): {self.df_id_index.count()}")
 
-    def handle_data(self):
-        pass
+    # def save_data(self):
+    #     # starrocks_url = "jdbc:mysql://192.168.10.151:19030/selection"
+    #     # properties = {
+    #     #     "user": "fangxingjun",
+    #     #     "password": "fangxingjun12345",
+    #     #     "driver": "com.mysql.cj.jdbc.Driver",
+    #     #     # "driver": "com.mysql.cj.jdbc.Driver",
+    #     # }
+    #     # self.df_id_index.write.jdbc(url=starrocks_url, table="image_id_index", mode="overwrite", properties=properties)
+    #     # self.df_id_index = self.df_id_index.withColumn('created_time', F.lit(datetime.datetime.now()))
+    #     # self.df_id_index = self.df_id_index.withColumn("img_type", F.col("img_type").cast("int"))
+    #     # StarRocksHelper.spark_export(df_save=self.df_id_index, db_name='selection', table_name='image_id_index')
+    #     df_save = self.df_id_index.toPandas()
+    #
+    #     df_save.to_sql(self.table_save, con=self.engine_doris, if_exists="append", index=False, chunksize=10000)
+
+    def truncate_data(self):
+        engine = get_remote_engine(
+            site_name='us',  # -> database "selection"
+            db_type="doris",  # -> 服务端 alias "mysql"
+        )
+        sql_truncate = f"truncate table {self.doris_table};"
+        print(f"清空最新导入之前的数据, sql_truncate: {sql_truncate}")
+        engine.execute(sql_truncate)
 
-    def save_data(self):
-        # starrocks_url = "jdbc:mysql://192.168.10.151:19030/selection"
-        # properties = {
-        #     "user": "fangxingjun",
-        #     "password": "fangxingjun12345",
-        #     "driver": "com.mysql.cj.jdbc.Driver",
-        #     # "driver": "com.mysql.cj.jdbc.Driver",
-        # }
-        # self.df_id_index.write.jdbc(url=starrocks_url, table="image_id_index", mode="overwrite", properties=properties)
-        # self.df_id_index = self.df_id_index.withColumn('created_time', F.lit(datetime.datetime.now()))
-        # self.df_id_index = self.df_id_index.withColumn("img_type", F.col("img_type").cast("int"))
-        # StarRocksHelper.spark_export(df_save=self.df_id_index, db_name='selection', table_name='image_id_index')
-        df_save = self.df_id_index.toPandas()
+    def run(self):
+        self.read_data()
+        self.truncate_data()
+        df = self.df_id_index
+        count = df.count()
+        print(f"读取完成，数据量：{count}")
+        df.show(10, truncate=False)
 
-        df_save.to_sql(self.table_save, con=self.engine_doris, if_exists="append", index=False, chunksize=10000)
+        TABLE_COLUMNS = "img_unique,site_name,index,id,img_type"
+        # ===== Step 2：写入 Doris selection.sys_edit_log =====
+        print(f"[2/2] 写入 Doris {self.doris_db}.{self.doris_table}")
+        DorisHelper.spark_export_with_columns(
+            df_save=df,
+            db_name=self.doris_db,
+            table_name=self.doris_table,
+            table_columns=TABLE_COLUMNS,
+            use_type='selection',
+        )
+        print("success")
 
 
 if __name__ == '__main__':