我能做些什么来防止大熊猫从转换我的字符串值浮动。列Billing Doc.
和Sales Order
含有要被存储在MySQL表具有CHAR的数据类型(15)的柱内数10-11位数字。当我执行下面的脚本时,我在每个数字的末尾看到.0
。我想在数据库中将它们视为字符串/字符。 的Billing Doc.
field包含3206790137, 3209056079, 3209763880, 3209763885, 3206790137
谁是存储在DB作为3206790137.0, 3209056079.0, 3209763880.0, 3209763885.0, 3206790137.0
号码。数据库中Billing doc的列数据类型为CHAR(15)
。大熊猫自动转换我的字符串列浮动
def insert_billing(df):
df = df.where((pd.notnull(df)), None)
for row in df.to_dict(orient="records"):
bill_item = row['Bill.Item']
bill_qty = row['Billed Qty']
bill_doct_date = row['Billi.Doc.Date']
bill_doc = row['Billing Doc.']
bill_net_value = row['Billi.Net Value']
sales_order = row['Sales Order']
import_date = DT.datetime.now().strftime('%Y-%m-%d')
query = "INSERT INTO sap_billing(" \
"bill_item, " \
"bill_qty, " \
"bill_doc_date, " \
"bill_doc, " \
"bill_net_value, " \
"sales_order, " \
"import_date" \
") VALUES (" \
"\"{}\", \"{}\", \"{}\", \"{}\"," \
"\"{}\", \"{}\", \"{}\"" \
") ON DUPLICATE KEY UPDATE " \
"bill_qty = VALUES(bill_qty), " \
"bill_doc_date = VALUES(bill_doc_date), " \
"bill_net_value = VALUES(bill_net_value), " \
"import_date = VALUES(import_date) " \
"".format(
bill_item,
bill_qty,
bill_doct_date,
bill_doc,
bill_net_value,
sales_order,
import_date
)
query = query.replace('\"None\"', 'NULL')
query = query.replace('(None', '(NULL')
query = query.replace('\"NaT\"', 'NULL')
query = query.replace('(NaT', '(NULL')
try:
q1 = gesdb_connection.execute(query)
except Exception as e:
print(bill_item, bill_doc, sales_order, e)
if __name__ == "__main__":
engine_str = 'mysql+mysqlconnector://root:[email protected]/mydb'
file_name = "tmp/dataload/so_tracking.XLSX"
df = pd.read_excel(file_name)
if df.shape[1] == 35 and compare_columns(list(df.columns.values)) == 1:
insert_billing(df)
else:
print("Incorrect column count, column order or column headers.\n")
当我创建一个简单的df并打印它时,问题不显示。
import pandas as pd
df = pd.DataFrame({'Sales Order': [1217252835, 1217988754, 1219068439],
'Billing Doc.': [3222102723, 3209781889, 3214305818]})
>>> df
Billing Doc. Sales Order
0 3222102723 1217252835
1 3209781889 1217988754
2 3214305818 1219068439
但是,当我通过excel读取然后打印它时,该列读取为float64。
file_name = "tmp/dataload/so_tracking.XLSX"
df = pd.read_excel(file_name)
print(df['Billing Doc.'])
680 3.252170e+09
681 3.252170e+09
682 3.252170e+09
683 3.252170e+09
684 3.252170e+09
685 3.252170e+09
686 3.252170e+09
687 3.252170e+09
688 3.252170e+09
689 3.252170e+09
690 3.252170e+09
.
.
.
694 3.251601e+09
695 3.251631e+09
696 3.252013e+09
697 NaN
698 3.252272e+09
699 3.252360e+09
700 3.252474e+09
.
.
Name: Billing Doc., dtype: float64
你能不能提炼,这归因于重复的例子?没有其他人可以访问您的数据库或电子表格。所以任何帮助的尝试都只是猜测。 –
熊猫较真可能不喜欢这种快速修复,但我用'pd.read_csv(“FILE.CSV”,D型细胞=对象)'和它保持大熊猫从数字转换为浮点数。我相当肯定你可以用其他DataFrame创建函数替换'read_csv()'。 – pshep123
@PaulH我添加了一个示例。 – nomad