seba-365 - implemented dep
Change-Id: Ia6226d50e7615935a0c8876809a687427ff88c22
diff --git a/vendor/github.com/mongodb/mongo-go-driver/x/mongo/driver/distinct.go b/vendor/github.com/mongodb/mongo-go-driver/x/mongo/driver/distinct.go
new file mode 100644
index 0000000..eed7390
--- /dev/null
+++ b/vendor/github.com/mongodb/mongo-go-driver/x/mongo/driver/distinct.go
@@ -0,0 +1,77 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package driver
+
+import (
+ "context"
+ "github.com/mongodb/mongo-go-driver/mongo/options"
+ "github.com/mongodb/mongo-go-driver/x/bsonx"
+
+ "github.com/mongodb/mongo-go-driver/x/mongo/driver/session"
+ "github.com/mongodb/mongo-go-driver/x/mongo/driver/topology"
+ "github.com/mongodb/mongo-go-driver/x/mongo/driver/uuid"
+ "github.com/mongodb/mongo-go-driver/x/network/command"
+ "github.com/mongodb/mongo-go-driver/x/network/description"
+ "github.com/mongodb/mongo-go-driver/x/network/result"
+ "time"
+)
+
+// Distinct handles the full cycle dispatch and execution of a distinct command against the provided
+// topology.
+func Distinct(
+ ctx context.Context,
+ cmd command.Distinct,
+ topo *topology.Topology,
+ selector description.ServerSelector,
+ clientID uuid.UUID,
+ pool *session.Pool,
+ opts ...*options.DistinctOptions,
+) (result.Distinct, error) {
+
+ ss, err := topo.SelectServer(ctx, selector)
+ if err != nil {
+ return result.Distinct{}, err
+ }
+
+ desc := ss.Description()
+ conn, err := ss.Connection(ctx)
+ if err != nil {
+ return result.Distinct{}, err
+ }
+ defer conn.Close()
+
+ rp, err := getReadPrefBasedOnTransaction(cmd.ReadPref, cmd.Session)
+ if err != nil {
+ return result.Distinct{}, err
+ }
+ cmd.ReadPref = rp
+
+ // If no explicit session and deployment supports sessions, start implicit session.
+ if cmd.Session == nil && topo.SupportsSessions() {
+ cmd.Session, err = session.NewClientSession(pool, clientID, session.Implicit)
+ if err != nil {
+ return result.Distinct{}, err
+ }
+ defer cmd.Session.EndSession()
+ }
+
+ distinctOpts := options.MergeDistinctOptions(opts...)
+
+ if distinctOpts.MaxTime != nil {
+ cmd.Opts = append(cmd.Opts, bsonx.Elem{
+ "maxTimeMS", bsonx.Int64(int64(*distinctOpts.MaxTime / time.Millisecond)),
+ })
+ }
+ if distinctOpts.Collation != nil {
+ if desc.WireVersion.Max < 5 {
+ return result.Distinct{}, ErrCollation
+ }
+ cmd.Opts = append(cmd.Opts, bsonx.Elem{"collation", bsonx.Document(distinctOpts.Collation.ToDocument())})
+ }
+
+ return cmd.RoundTrip(ctx, desc, conn)
+}