sails: Connection error when using PostgreSQL transactions

Sails version: 1.1.0 Node version: 8.10.0 NPM version: 4.6.1 DB adapter name: sails-postgresql DB adapter version: 1.0.1 Operating system: Windows 10

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I am getting the following error when using the transactions given in an example:

“sendNativeQuery failed (“badConnection”). The provided connection is not valid or no longer active. Are you sure it was obtained by calling this driver’s getConnection() method?”

I’m using the following code:

await sails.getDatastore()
  .transaction(async (db) => {
    const createdEntity = await Entity.create({ name: 'test' }).usingConnection(db);
    const foundEntity = await Entity.findOne({ id: createdEntity.id }).usingConnection(db);   
  })

The call to findOne fails with the above message. Is there a known issue with PostgreSQL transactions?