bigquery

Connecting R and BigQuery with ADBC

Instructions

Prerequisites

1. Install R

2. Install dbc

3. Install Google Cloud CLI

4. Create a Google account or be able to log in to an existing one

5. Install R packages adbcdrivermanager, arrow, and tibble:

   install.packages(c("adbcdrivermanager", "arrow", "tibble"))

Set up BigQuery

1. Log into the Google Cloud Console and create project or locate an existing project and record the project ID for use in a later step

2. Run this command in your terminal to log in with the Google Cloud CLI:

   gcloud auth application-default login

Connect to BigQuery

1. Install the BigQuery ADBC driver:

   dbc install bigquery

2. Customize the R script main.R as needed

   • Change the connection arguments in adbc_database_init()
     • Change the value of the adbc.bigquery.sql.project_id argument to match the project ID you recorded in the earlier step
     • Change the value of adbc.bigquery.sql.dataset_id, or keep it as is to use the public Shakespeare dataset
   • If you changed the dataset, also change the SQL SELECT statement in read_adbc()

3. Run the R script:

   Rscript main.R