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// Copyright 2016 Google Inc.
//
// 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.bigtable.admin.v2;
import "google/api/annotations.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";
option go_package = "google.golang.org/genproto/googleapis/bigtable/admin/v2;admin";
option java_multiple_files = true;
option java_outer_classname = "TableProto";
option java_package = "com.google.bigtable.admin.v2";
// A collection of user data indexed by row, column, and timestamp.
// Each table is served using the resources of its parent cluster.
message Table {
// Possible timestamp granularities to use when keeping multiple versions
// of data in a table.
enum TimestampGranularity {
// The user did not specify a granularity. Should not be returned.
// When specified during table creation, MILLIS will be used.
TIMESTAMP_GRANULARITY_UNSPECIFIED = 0;
// The table keeps data versioned at a granularity of 1ms.
MILLIS = 1;
}
// Defines a view over a table's fields.
enum View {
// Uses the default view for each method as documented in its request.
VIEW_UNSPECIFIED = 0;
// Only populates `name`.
NAME_ONLY = 1;
// Only populates `name` and fields related to the table's schema.
SCHEMA_VIEW = 2;
// Populates all fields.
FULL = 4;
}
// (`OutputOnly`)
// The unique name of the table. Values are of the form
// `projects/<project>/instances/<instance>/tables/[_a-zA-Z0-9][-_.a-zA-Z0-9]*`.
// Views: `NAME_ONLY`, `SCHEMA_VIEW`, `FULL`
string name = 1;
// (`CreationOnly`)
// The column families configured for this table, mapped by column family ID.
// Views: `SCHEMA_VIEW`, `FULL`
map<string, ColumnFamily> column_families = 3;
// (`CreationOnly`)
// The granularity (e.g. `MILLIS`, `MICROS`) at which timestamps are stored in
// this table. Timestamps not matching the granularity will be rejected.
// If unspecified at creation time, the value will be set to `MILLIS`.
// Views: `SCHEMA_VIEW`, `FULL`
TimestampGranularity granularity = 4;
}
// A set of columns within a table which share a common configuration.
message ColumnFamily {
// Garbage collection rule specified as a protobuf.
// Must serialize to at most 500 bytes.
//
// NOTE: Garbage collection executes opportunistically in the background, and
// so it's possible for reads to return a cell even if it matches the active
// GC expression for its family.
GcRule gc_rule = 1;
}
// Rule for determining which cells to delete during garbage collection.
message GcRule {
// A GcRule which deletes cells matching all of the given rules.
message Intersection {
// Only delete cells which would be deleted by every element of `rules`.
repeated GcRule rules = 1;
}
// A GcRule which deletes cells matching any of the given rules.
message Union {
// Delete cells which would be deleted by any element of `rules`.
repeated GcRule rules = 1;
}
// Garbage collection rules.
oneof rule {
// Delete all cells in a column except the most recent N.
int32 max_num_versions = 1;
// Delete cells in a column older than the given age.
// Values must be at least one millisecond, and will be truncated to
// microsecond granularity.
google.protobuf.Duration max_age = 2;
// Delete cells that would be deleted by every nested rule.
Intersection intersection = 3;
// Delete cells that would be deleted by any nested rule.
Union union = 4;
}
}
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