google-big-queryHow do I make a request to Google Big Query?
In order to make a request to Google BigQuery, the following steps should be taken:
- Authenticate the user and create a BigQuery Client object. This can be done as follows:
from google.cloud import bigquery
# Construct a BigQuery client object.
client = bigquery.Client()
-
Define the query string. This is the SQL query that will be sent to BigQuery.
-
Create a query job. This will allow us to run the query asynchronously.
# The name for the query job
job_name = 'my_first_query_job'
# Set up the query
query_job = client.query(query_string, job_name=job_name)
- Run the query job.
# Run the query job
query_job.result()
- Get the results.
# Get the results
for row in query_job:
print(row)
- Clean up the query job.
# Delete the query job
query_job.delete()
- Close the BigQuery client object.
# Close the BigQuery client
client.close()
For more information, please refer to the Google BigQuery Documentation.
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