Tag: psycopg2

如何捕获重复？

我是相对较新的Python，我正在导入Excel到PostgreSQL。 Excel中的地址列有我想要的重复项。 什么是最可行的方法去。 import psycopg2 import xlrd book = xlrd.open_workbook("data.xlsx") sheet = book.sheet_by_name("List") database = psycopg2.connect (database = "Excel", user="SQL", password="PASS", host="YES", port="DB") cursor = database.cursor() delete = """Drop table if exists "Python".list""" print (delete) mydata = cursor.execute(delete) cursor.execute('''CREATE TABLE "Python".list (DCAD_Prop_ID varchar(50), Address varchar(50), Addition varchar(50), Block varchar(50), Lot integer, Project_ID integer );''') print […]