In this post, we will see how to resolve How can I unnest a long column(map) to multiple columns with pandas? Question: I have a dataframe like this: dataframe name: df_test ID Data test-001 {"B":{"1":{"_seconds":1663207410,"_nanoseconds":466000000}},"C":{"1":{"_seconds":1663207409,"_nanoseconds":978000000}},"D":{"1":{"_seconds":1663207417,"_nanoseconds":231000000}}} test-002 {"B":{"1":{"_seconds":1663202431,"_nanoseconds":134000000}},"C":{"1":{"_seconds":1663208245,"_nanoseconds":412000000}},"D":{"1":{"_seconds":1663203482,"_nanoseconds":682000000}}} I want it ...
In this post, we will see how to resolve How to unnest json data to dataframe using python Question: import json import pandas as pd I am trying to unnest the json data into a dataframe using Python. There are ...
Question: I would like to ask how I can unnest a list of list and turn it into different columns of a dataframe. Specifically, I have the following dataframe where the Route_set column is a list of lists: The desired ...
Question: I am having a schema that looks like: With a sample record that looks like this: I am trying to write a query that selects this row when there is a row in frm that matches C = 'X' ...
Question: Say I have some data in a table, t. SQL This returns the error, 'Mismatched input 'SELECT'. Expecting <expression>. What is the correct way to unnest an array and aggregate the unnested values? Answer: unnest is normally used with ...