我正在尝试使用pandas和numpy填充数组以满足条件我使用了import numpy as np和import pandas as pd X=['e','a','b','c'] #The list,'e',np.nan],
['c','c',np.nan,np.nan,'e']]) #the array i want to satisfy the next condition df看起来是这样<e
我已经在PostgreSQL(版本11.5)中创建了一个用户定义类型。CREATE TYPE key_type AS (key_no character varying(50), key_nm character varying(128)); 我创建了下面的函数,输入参数类型为但是我不能调用这个函数,我已经尝试了如下。* from fn_det(v_key) into v_res; end; la