UsageError: Line magic function `%%bigquery` not found

Question

I am very new to Big query. I am trying to load data from a Big query table to pandas dataframe. I followed the syntax given in the documentation here.
Unfortunately, I am getting below error.

I read a stackoverflow solution here, and followed its solution but I got this.

Then, I tried separating the code lines, but I get a new error UsageError: Line magic function %%bigquery not found.

I have been trying for a couple of hours to resolve this. Even restarting the kernel is not working. This works the very first time you run it but not if you run it twice. I have no clue what’s going on. Any thoughts?

Asked By: Piyush Verma

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Source

Answer 1

This can be solved by removing the comments

#-----------------------
#Loading the bigquery ..
#-----------------------

and just retaining the %%bigquery magic syntax as shown below

%%bigquery personas_raw
SELECT * FROM `project-id.dataset.table`

Here is the screenshot of my testing using a sample public dataset WITH COMMENTS and got the same error message as your post.

And here is the screenshot of the same syntax when the comment is removed.

Answered By: Scott B

Answer 2

Make sure you have run:

%load_ext google.cloud.bigquery

in a separate cell.
(And don’t put comments before the line with %%bigquery in it, as the other answer says.)

Answered By: zabop

UsageError: Line magic function `%%bigquery` not found

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