postgres

package

v0.0.0-...-d85aa1e Latest Latest Go to latest Published: Dec 22, 2019 License: Apache-2.0 Imports: 8 Imported by: 0

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type Storage struct {
	Pool *pgx.ConnPool
	// contains filtered or unexported fields
}

Storage implements a Postgresql backed storage layer, suitable for use with the verifiabledatastructures library.

func (pgs *Storage) ExecuteReadOnly(ctx context.Context, namespace []byte, f func(ctx context.Context, db verifiable.KeyReader) error) error

ExecuteReadOnly executes a read only query. Note this will have the side-effect of creating a table for this namespace, if it doesn't already exist.

func (pgs *Storage) ExecuteUpdate(ctx context.Context, namespace []byte, f func(ctx context.Context, db verifiable.KeyWriter) error) error

ExecuteUpdate executes an update query. Only one of these can execute per-namespace at once, and this is enforced by a full table lock.