#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ mysql_007 ground truth: 热表治理元数据宽表汇总 Task: Filter input table WHERE imp_date = 20260507 AND heat > 0 AND table_name NOT LIKE '%temp%' AND db_name NOT LIKE '%test%', group by db_name, table_name, take MAX of all other fields, write to output table with dt = '20260507'. """ import pymysql import sys DB_NAME = "internal_platform_db" INPUT_TABLE = "ads_gov_cost_table_govern_detail_df_mysql_007" OUTPUT_TABLE = "dwd_hot_metadata_table_cand_mysql_007" MYSQL_CONFIG = { "host": "localhost", "port": 3306, "user": "root", "password": "root123", "charset": "utf8mb4", } gt_sql = f""" INSERT INTO {DB_NAME}.{OUTPUT_TABLE} (dt, db_name, table_name, owner, storage_detail, heat, read_gap_days, write_gap_days, last_date_partition, is_table_no_comment, is_table_comment_irregular, is_all_column_no_comment, is_part_column_no_comment, table_first_group, table_second_group, dw_appgroup, appgroup_obs_product_id, appgroup_obs_plan_id, is_partition, create_days) SELECT '20260507' AS dt, db_name, table_name, MAX(owner) AS owner, MAX(storage_detail) AS storage_detail, MAX(heat) AS heat, MAX(read_gap_days) AS read_gap_days, MAX(write_gap_days) AS write_gap_days, MAX(last_date_partition) AS last_date_partition, MAX(is_table_no_comment) AS is_table_no_comment, MAX(is_table_comment_irregular) AS is_table_comment_irregular, MAX(is_all_column_no_comment) AS is_all_column_no_comment, MAX(is_part_column_no_comment) AS is_part_column_no_comment, MAX(table_first_group) AS table_first_group, MAX(table_second_group) AS table_second_group, MAX(dw_appgroup) AS dw_appgroup, MAX(appgroup_obs_product_id) AS appgroup_obs_product_id, MAX(appgroup_obs_plan_id) AS appgroup_obs_plan_id, MAX(is_partition) AS is_partition, MAX(create_days) AS create_days FROM {DB_NAME}.{INPUT_TABLE} WHERE imp_date = 20260507 AND heat > 0 AND table_name NOT LIKE '%temp%' AND db_name NOT LIKE '%test%' GROUP BY db_name, table_name """ def main(): conn = pymysql.connect(**MYSQL_CONFIG) try: with conn.cursor() as cur: # Ensure output table exists cur.execute(f""" CREATE TABLE IF NOT EXISTS {DB_NAME}.{OUTPUT_TABLE} ( dt VARCHAR(16) DEFAULT NULL COMMENT '日期分区', db_name VARCHAR(256) DEFAULT NULL COMMENT '库名', table_name VARCHAR(256) DEFAULT NULL COMMENT '表名', owner VARCHAR(256) DEFAULT NULL COMMENT '第一责任人', storage_detail DOUBLE DEFAULT NULL COMMENT '存储大小含副本', heat BIGINT DEFAULT NULL COMMENT '90天热度', read_gap_days BIGINT DEFAULT NULL COMMENT '多久未读', write_gap_days BIGINT DEFAULT NULL COMMENT '多久未写', last_date_partition VARCHAR(256) DEFAULT NULL COMMENT '最后一个分区', is_table_no_comment BIGINT DEFAULT NULL COMMENT '表无描述', is_table_comment_irregular BIGINT DEFAULT NULL COMMENT '表描述过短或等于表名', is_all_column_no_comment BIGINT DEFAULT NULL COMMENT '所有字段都无描述', is_part_column_no_comment BIGINT DEFAULT NULL COMMENT '部分字段无描述', table_first_group VARCHAR(256) DEFAULT NULL COMMENT '一级应用组', table_second_group VARCHAR(256) DEFAULT NULL COMMENT '二级应用组', dw_appgroup VARCHAR(256) DEFAULT NULL COMMENT '数据仓库DW应用组', appgroup_obs_product_id VARCHAR(256) DEFAULT NULL COMMENT '运营产品ID', appgroup_obs_plan_id VARCHAR(256) DEFAULT NULL COMMENT '规划产品ID', is_partition BIGINT DEFAULT NULL COMMENT '是否分区表', create_days BIGINT DEFAULT NULL COMMENT '建表距今天数', PRIMARY KEY (db_name, table_name) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci """) # Truncate + insert cur.execute(f"TRUNCATE TABLE {DB_NAME}.{OUTPUT_TABLE}") cur.execute(gt_sql) conn.commit() print("mysql_007 ground_truth done: rows written to output table") except Exception as e: print(f"ground_truth error: {e}", file=sys.stderr) conn.rollback() sys.exit(1) finally: conn.close() if __name__ == "__main__": main()