Google Spanner
Installation​
npm install @google-cloud/spanner
Data Source Options​
See Data Source Options for the common data source options.
Provide authentication credentials to your application code
by setting the environment variable GOOGLE_APPLICATION_CREDENTIALS:
# Linux/macOS
export GOOGLE_APPLICATION_CREDENTIALS="KEY_PATH"
# Windows
set GOOGLE_APPLICATION_CREDENTIALS=KEY_PATH
# Replace KEY_PATH with the path of the JSON file that contains your service account key.
To use Spanner with the emulator you should set SPANNER_EMULATOR_HOST environment variable:
# Linux/macOS
export SPANNER_EMULATOR_HOST=localhost:9010
# Windows
set SPANNER_EMULATOR_HOST=localhost:9010
Column Types​
bool, int64, float64, numeric, string, json, bytes, date, timestamp, array