energy-data-trans/utils/db/trans_mysql.py

# -*- coding: utf-8 -*-
# @Time    : 2024/5/15
# @Author  : 魏志亮
import datetime

import numpy as np
import pandas as pd
# 建立数据库连接
import pymysql
from pandas import DataFrame
from sqlalchemy import create_engine, Engine, text

from utils.log.trans_log import trans_print
from utils.trans_methods import read_file_to_df

plt_user = 'admin'
plt_password = 'admin123456'
plt_host = '192.168.50.233'
plt_port = 3306
plt_database = 'energy'

plt_connect = pymysql.connect(host=plt_host,
                              user=plt_user,
                              password=plt_password,
                              db=plt_database,
                              charset='utf8mb4',
                              cursorclass=pymysql.cursors.DictCursor)

trans_user = 'admin'
trans_password = 'admin123456'
trans_host = '192.168.50.233'
trans_port = 3306
trans_database = 'energy_data'

trans_connect = pymysql.connect(host=trans_host,
                                user=trans_user,
                                password=trans_password,
                                db=trans_database,
                                charset='utf8mb4',
                                cursorclass=pymysql.cursors.DictCursor)

susscess_sql = "update data_transfer set transfer_state = 1 where batch_code = '{batch_no}' and transfer_type = '{trans_type}'";

error_sql = "update data_transfer set transfer_state = 2 ,err_info='{message}' where batch_code = '{batch_no}'  and transfer_type = '{trans_type}'"

running_sql = "update data_transfer set transfer_state = 0,engine_count = {wind_count}  where batch_code = '{batch_no}'  and transfer_type = '{trans_type}'"


def __query(connect: pymysql.Connection, sql):
    trans_print('开始执行SQL:', sql)
    connect.ping(reconnect=True)
    with connect.cursor() as cursor:
        cursor.execute(sql)
        datas = cursor.fetchall()
        df = pd.DataFrame(datas)
    connect.close()
    return df


def __ddl_sql(connect: pymysql.Connection, sql):
    trans_print('开始执行SQL:', sql)
    connect.ping(reconnect=True)
    with connect.cursor() as cursor:
        cursor.execute(sql)
    connect.commit()
    connect.close()


def update_trans_status(batch_no, trans_type, status, message="", wind_count=0):
    if status == 'success':
        exec_sql = susscess_sql
    elif status == 'running':
        exec_sql = running_sql
    else:
        exec_sql = error_sql

    exec_sql = exec_sql.format(batch_no=batch_no, status=status, message=message, trans_type=trans_type,
                               wind_count=wind_count)
    __ddl_sql(plt_connect, exec_sql)


# 获取执行的数据
def get_exec_data():
    query_running_sql = "select 1 from data_transfer where transfer_state = 0"
    query_next_exdc_sql = """
    SELECT
        t.*,a.field_name
    FROM
        data_transfer t INNER JOIN wind_field a on t.field_code = a.field_code
    WHERE
        t.transfer_state = -1
    AND t.transfer_file_addr != ''
    ORDER BY
        t.update_time
    LIMIT 1
    """
    df = __query(plt_connect, query_running_sql)
    if df.empty:
        df = __query(plt_connect, query_next_exdc_sql)
        return df
    else:
        return None


def get_all_wind(field_code):
    query_sql = f"select engine_code,engine_name from wind_engine_group where field_code = '{field_code}' and del_state = 1"
    df = __query(plt_connect, query_sql)
    dict_datas = dict()
    if df.empty:
        return dict_datas
    else:
        for engine_code, engine_name in zip(df['engine_code'], df['engine_name']):
            dict_datas[engine_name] = engine_code
        return dict_datas


def creat_table_and_add_partition(table_name, count, read_type):
    query_table = f"SELECT t.TABLE_NAME FROM information_schema.`TABLES` t where t.TABLE_NAME = '{table_name}'"
    df = __query(trans_connect, query_table)
    if df.empty:
        create_sql = f"""
        CREATE TABLE
        IF NOT EXISTS `{table_name}` (
            `wind_turbine_number` VARCHAR (20) DEFAULT NULL COMMENT '风机编号',
            `time_stamp` datetime NOT NULL COMMENT '时间戳',
            `active_power` DOUBLE DEFAULT NULL COMMENT '有功功率',
            `rotor_speed` DOUBLE DEFAULT NULL COMMENT '风轮转速',
            `generator_speed` DOUBLE DEFAULT NULL COMMENT '发电机转速',
            `wind_velocity` DOUBLE DEFAULT NULL COMMENT '风速',
            `pitch_angle_blade_1` DOUBLE DEFAULT NULL COMMENT '桨距角1',
            `pitch_angle_blade_2` DOUBLE DEFAULT NULL COMMENT '桨距角2',
            `pitch_angle_blade_3` DOUBLE DEFAULT NULL COMMENT '桨距角3',
            `cabin_position` DOUBLE DEFAULT NULL COMMENT '机舱位置',
            `true_wind_direction` DOUBLE DEFAULT NULL COMMENT '绝对风向',
            `yaw_error1` DOUBLE DEFAULT NULL COMMENT '对风角度',
            `set_value_of_active_power` DOUBLE DEFAULT NULL COMMENT '有功功率设定值',
            `gearbox_oil_temperature` DOUBLE DEFAULT NULL COMMENT '齿轮箱油温',
            `generatordrive_end_bearing_temperature` DOUBLE DEFAULT NULL COMMENT '发电机驱动端轴承温度',
            `generatornon_drive_end_bearing_temperature` DOUBLE DEFAULT NULL COMMENT '发电机非驱动端轴承温度',
            `cabin_temperature` DOUBLE DEFAULT NULL COMMENT '机舱内温度',
            `twisted_cable_angle` DOUBLE DEFAULT NULL COMMENT '扭缆角度',
            `front_back_vibration_of_the_cabin` DOUBLE DEFAULT NULL COMMENT '机舱前后振动',
            `side_to_side_vibration_of_the_cabin` DOUBLE DEFAULT NULL COMMENT '机舱左右振动',
            `actual_torque` DOUBLE DEFAULT NULL COMMENT '实际力矩',
            `given_torque` DOUBLE DEFAULT NULL COMMENT '给定力矩',
            `clockwise_yaw_count` DOUBLE DEFAULT NULL COMMENT '顺时针偏航次数',
            `counterclockwise_yaw_count` DOUBLE DEFAULT NULL COMMENT '逆时针偏航次数',
            `unusable` BIGINT (20) DEFAULT NULL COMMENT '不可利用',
            `power_curve_available` BIGINT (20) DEFAULT NULL COMMENT '功率曲线可用',
            `required_gearbox_speed` DOUBLE DEFAULT NULL COMMENT '齿轮箱转速',
            `inverter_speed_master_control` DOUBLE DEFAULT NULL COMMENT '变频器转速(主控)',
            `outside_cabin_temperature` DOUBLE DEFAULT NULL COMMENT '环境温度',
            `main_bearing_temperature` DOUBLE DEFAULT NULL COMMENT '主轴承轴承温度',
            `gearbox_high_speed_shaft_bearing_temperature` DOUBLE DEFAULT NULL COMMENT '齿轮箱高速轴轴承温度',
            `gearboxmedium_speed_shaftbearing_temperature` DOUBLE DEFAULT NULL COMMENT '齿轮箱中速轴轴承温度',
            `gearbox_low_speed_shaft_bearing_temperature` DOUBLE DEFAULT NULL COMMENT '齿轮箱低速轴轴承温度',
            `generator_winding1_temperature` DOUBLE DEFAULT NULL COMMENT '发电机绕组1温度',
            `generator_winding2_temperature` DOUBLE DEFAULT NULL COMMENT '发电机绕组2温度',
            `generator_winding3_temperature` DOUBLE DEFAULT NULL COMMENT '发电机绕组3温度',
            `wind_turbine_status` BIGINT (20) DEFAULT NULL COMMENT '风机状态1',
            `wind_turbine_status2` DOUBLE DEFAULT NULL COMMENT '风机状态2',
            `turbulence_intensity` DOUBLE DEFAULT NULL COMMENT '湍流强度',
            `year` INT (4) DEFAULT NULL COMMENT '年',
            `month` INT (2) DEFAULT NULL COMMENT '月',
            `day` INT (2) DEFAULT NULL COMMENT '日',
            `param1` DOUBLE DEFAULT NULL COMMENT '预留1',
            `param2` DOUBLE DEFAULT NULL COMMENT '预留2',
            `param3` DOUBLE DEFAULT NULL COMMENT '预留3',
            `param4` DOUBLE DEFAULT NULL COMMENT '预留4',
            `param5` DOUBLE DEFAULT NULL COMMENT '预留5',
            `param6` DOUBLE DEFAULT NULL COMMENT '预留6',
            `param7` DOUBLE DEFAULT NULL COMMENT '预留7',
            `param8` DOUBLE DEFAULT NULL COMMENT '预留8',
            `param9` DOUBLE DEFAULT NULL COMMENT '预留9',
            `param10` DOUBLE DEFAULT NULL COMMENT '预留10',
             KEY `time_stamp` (`time_stamp`),
             KEY `wind_turbine_number` (`wind_turbine_number`)
        ) ENGINE = INNODB DEFAULT CHARSET = utf8mb4
        """

        if read_type == 'second':
            create_sql = create_sql + f" PARTITION BY KEY (`wind_turbine_number`) PARTITIONS {count}"

        __ddl_sql(trans_connect, create_sql)


def rename_table(table_name, renamed_table_name):
    rename_sql = f"RENAME TABLE {table_name} TO {renamed_table_name}"
    try:
        __ddl_sql(trans_connect, rename_sql)
    except Exception as e:
        trans_print(e)


def read_excel_and_save_to_db(table_name: str, file_path, batch_count=20000):
    df = read_file_to_df(file_path)
    trans_print("开始保存文件", file_path, "到数据库")
    begin = datetime.datetime.now()
    save_df_to_db(trans_connect, table_name, df, batch_count)
    trans_print("保存文件", file_path, "到数据库成功,耗时:", str(datetime.datetime.now() - begin))


def save_df_to_db(connection: pymysql.Connection, table_name: str, df: DataFrame, batch_count=20000):
    col_str = ",".join(df.columns)
    data_s_str = ",".join(["%s"] * len(df.columns))

    insert_sql = f"INSERT INTO {table_name} ({col_str}) values ({data_s_str})"

    # 转化nan到null
    df.replace(np.nan, None, inplace=True)

    total_count = df.shape[0]
    for i in range(0, total_count + 1, batch_count):
        connection.ping(reconnect=True)
        with connection.cursor() as cursor:
            query_df = df.iloc[i:i + batch_count]
            values = [tuple(data) for data in query_df.values]
            cursor.executemany(insert_sql, values)
        connection.commit()
        connection.close()
        trans_print("保存条数成功,总条数", str(total_count), "已完成条数:",
                    str(total_count if (i + batch_count) > total_count else (i + batch_count)))


if __name__ == '__main__':
    df = get_exec_data()
    print(df)