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delete data from table

# Packages

import os
from google.cloud import bigquery
from google.oauth2 import service_account


# Parameters
os.environ["GOOGLE_APPLICATION_CREDENTIALS"]='/Users/jmbenedetto/Library/Mobile Documents/com~apple~CloudDocs/#Formação/Dissertation/Research/02 Research v2/00 Base/key.json'

client = bigquery.Client(project=project_name)
dataset_ref = client.dataset(dataset_name)
load_config = bigquery.LoadJobConfig()


# Code

query = """
        DELETE 
        FROM dataset_name.table_name
        WHERE criteria;
"""
query_params = [
    bigquery.ArrayQueryParameter("file", "STRING", file_source)
]

job_config = bigquery.QueryJobConfig()
job_config.query_parameters = query_params
query_job = client.query(
    query,
    # Location must match that of the dataset(s) referenced in the query.
    location="EU",
    job_config=job_config,
)  # API request - starts the query

query_job.result(timeout=60.0)
assert query_job.state == "DONE"
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