Change a dataset dynamically on BigQuery

Question

I have a procedure saved in a dataset (project.dataset_x.sp_test) and this procedure have statments that create tables in the same dataset of the procedure (project.dataset_x.d_test).

The goal is to change all the datasets dataset_x to dataset_y dynamically.

Example:

CHANGE

Create or replace procedure `project.dataset_x.sp_test`() 

BEGIN

Create or replace table `project.dataset_x.d_test` AS
Select 
1 a id,
'aaaa' as name
FROM `project.dataset_x.d_init`

END

TO

Create or replace procedure `project.dataset_y.sp_test`() 

BEGIN

Create or replace table `project.dataset_y.d_test` AS
Select 
1 a id,
'aaaa' as name
FROM `project.dataset_y.d_init`

END

Which is the best approach to create a scrip on Bigquery to change the datasets dynamically?

Answer 1

Try the following:

CREATE OR REPLACE PROCEDURE project.independent_dataset.sp_test (dataset STRING)

BEGIN 

    EXECUTE IMMEDIATE 
    format("""
        CREATE OR REPLACE TABLE `project.%s.d_test` 
        AS 
        SELECT 1 AS id, 'aaaa' AS name FROM `elzagales.%s.d_init`"""
        , dataset, dataset);

END;

CALL project.independent_dataset.sp_test('dataset_y');

Using the above you do not have to create multiple procedures but can still achieve the desire results