Migration Guide: pandas-gbq

Samples for a guide for migrating from pandas-gbq to google-cloud-bigquery

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Code sample

Python

Before trying this sample, follow the Python setup instructions in the BigQuery quickstart using client libraries. For more information, see the BigQuery Python API reference documentation.

To authenticate to BigQuery, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

import pandas

sql = """
    SELECT name
    FROM `bigquery-public-data.usa_names.usa_1910_current`
    WHERE state = 'TX'
    LIMIT 100
"""

# Run a Standard SQL query using the environment's default project
df = pandas.read_gbq(sql, dialect="standard")

# Run a Standard SQL query with the project set explicitly
project_id = "your-project-id"
df = pandas.read_gbq(sql, project_id=project_id, dialect="standard")

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