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README.md

Getting Started with BigQuery and the Google Java API Client library

Open in Cloud Shell

Google's BigQuery Service features a REST-based API that allows developers to create applications to run ad-hoc queries on massive datasets. These sample Java applications demonstrate how to access the BigQuery API using the Google Cloud Client Library for Java.

Quickstart

Install Maven.

Authenticate using a service account. Create a service account, download a JSON key file, and set the GOOGLE_APPLICATION_CREDENTIALS environment variable.

Build your project with:

mvn clean package -DskipTests

You can then run a given ClassName via:

mvn exec:java -Dexec.mainClass=com.example.bigquery.ClassName \
    -DpropertyName=propertyValue \
	-Dexec.args="any arguments to the app"

Creating a new dataset (using the quickstart sample)

mvn exec:java -Dexec.mainClass=com.example.bigquery.QuickstartSample

Running a query using standard SQL syntax

mvn exec:java -Dexec.mainClass=com.example.bigquery.QuerySample \
    -Dexec.args=' \
        --query="SELECT corpus FROM `bigquery-public-data.samples.shakespeare` GROUP BY corpus;" \
        --runStandardSqlQuery'

Running the simple app example

To run the example from the simple app example documentation:

mvn exec:java -Dexec.mainClass=com.example.bigquery.SimpleApp