--- /dev/null
+// Copyright 2018 Google LLC.
+//
+// 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
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+syntax = "proto3";
+
+package google.firestore.admin.v1beta2;
+
+import "google/api/annotations.proto";
+import "google/firestore/admin/v1beta2/index.proto";
+
+option csharp_namespace = "Google.Cloud.Firestore.Admin.V1Beta2";
+option go_package = "google.golang.org/genproto/googleapis/firestore/admin/v1beta2;admin";
+option java_multiple_files = true;
+option java_outer_classname = "FieldProto";
+option java_package = "com.google.firestore.admin.v1beta2";
+option objc_class_prefix = "GCFS";
+
+// Represents a single field in the database.
+//
+// Fields are grouped by their "Collection Group", which represent all
+// collections in the database with the same id.
+message Field {
+ // The index configuration for this field.
+ message IndexConfig {
+ // The indexes supported for this field.
+ repeated Index indexes = 1;
+
+ // Output only.
+ // When true, the `Field`'s index configuration is set from the
+ // configuration specified by the `ancestor_field`.
+ // When false, the `Field`'s index configuration is defined explicitly.
+ bool uses_ancestor_config = 2;
+
+ // Output only.
+ // Specifies the resource name of the `Field` from which this field's
+ // index configuration is set (when `uses_ancestor_config` is true),
+ // or from which it *would* be set if this field had no index configuration
+ // (when `uses_ancestor_config` is false).
+ string ancestor_field = 3;
+
+ // Output only
+ // When true, the `Field`'s index configuration is in the process of being
+ // reverted. Once complete, the index config will transition to the same
+ // state as the field specified by `ancestor_field`, at which point
+ // `uses_ancestor_config` will be `true` and `reverting` will be `false`.
+ bool reverting = 4;
+ }
+
+ // A field name of the form
+ // `projects/{project_id}/databases/{database_id}/collectionGroups/{collection_id}/fields/{field_path}`
+ //
+ // A field path may be a simple field name, e.g. `address` or a path to fields
+ // within map_value , e.g. `address.city`,
+ // or a special field path. The only valid special field is `*`, which
+ // represents any field.
+ //
+ // Field paths may be quoted using ` (backtick). The only character that needs
+ // to be escaped within a quoted field path is the backtick character itself,
+ // escaped using a backslash. Special characters in field paths that
+ // must be quoted include: `*`, `.`,
+ // ``` (backtick), `[`, `]`, as well as any ascii symbolic characters.
+ //
+ // Examples:
+ // (Note: Comments here are written in markdown syntax, so there is an
+ // additional layer of backticks to represent a code block)
+ // `\`address.city\`` represents a field named `address.city`, not the map key
+ // `city` in the field `address`.
+ // `\`*\`` represents a field named `*`, not any field.
+ //
+ // A special `Field` contains the default indexing settings for all fields.
+ // This field's resource name is:
+ // `projects/{project_id}/databases/{database_id}/collectionGroups/__default__/fields/*`
+ // Indexes defined on this `Field` will be applied to all fields which do not
+ // have their own `Field` index configuration.
+ string name = 1;
+
+ // The index configuration for this field. If unset, field indexing will
+ // revert to the configuration defined by the `ancestor_field`. To
+ // explicitly remove all indexes for this field, specify an index config
+ // with an empty list of indexes.
+ IndexConfig index_config = 2;
+}