从csv文件中导入数据到Postgresql已有表中,如果数据已经存在则更新,如果不存在则新建记录。 根据csv文件格式,先在postgresql中建立临时表:你上班时会使用公司WiFi还是自己的流量呢?如果你平时经常用公司的网络摸鱼,那你现在可要注意了,因为你的上网记录很有可能都被监控下来了本书一开始并没有提及分布
# Example showing best practice con.autocommit = False cur.execute("insert into mytable1 values(1, 2)") cur.execute("insert into mytable2 values(3, 4)") con.commit() Data TypesThe table below lists the database data types supported by the driver, and indicates the corresponding Python ...
Example 1: Removing Stopwords from Text Example 2: Normalizing Data Cleaning Up Use Cases using Python Conda Environments Predicting Next Value Using Keras Setting Up and Managing the User Environment Installing Python Script Files Running Keras Script with APPLY Table Operator Cleaning Up ...
{fn teradata_read_csv(CSVFileName)} Executes a batch insert using the bind parameter values read from the specified CSV file for either a SQL batch insert or a FastLoad {fn teradata_request_timeout(Seconds)} Specifies the timeout for executing the SQL request. Zero means no timeout. Takes...
143 + data_tuples = [tuple(row) for row in read_csv_file.to_numpy()] 144 + for row in data_tuples: 145 + result = context.resources.teradata.execute_query( 146 + f"INSERT INTO tmp_table (id, name, age, city) VALUES ({row[0]}, '{row[1]}', {row[2]}, '{row[3]...
sFileName = "CSVBatchInsertData_py" with open (sFileName, 'w', encoding='UTF8') as f: writer = csv.writer (f) for iIndex in range (len (records)): writer.writerow (records [iIndex]) try: print ("Inserting data") cur.execute ("{fn teradata_read_csv(%s)} insert into voltab...
# Example showing best practice con.autocommit = False cur.execute("insert into mytable1 values(1, 2)") cur.execute("insert into mytable2 values(3, 4)") con.commit() Data TypesThe table below lists the database data types supported by the driver, and indicates the corresponding Python ...