--- /dev/null
+// Copyright 2017 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.table.v1;
+
+import "google/longrunning/operations.proto";
+import "google/protobuf/duration.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/bigtable/admin/table/v1;table";
+option java_multiple_files = true;
+option java_outer_classname = "BigtableTableDataProto";
+option java_package = "com.google.bigtable.admin.table.v1";
+
+// A collection of user data indexed by row, column, and timestamp.
+// Each table is served using the resources of its parent cluster.
+message Table {
+ enum TimestampGranularity { MILLIS = 0; }
+
+ // A unique identifier of the form
+ // <cluster_name>/tables/[_a-zA-Z0-9][-_.a-zA-Z0-9]*
+ string name = 1;
+
+ // If this Table is in the process of being created, the Operation used to
+ // track its progress. As long as this operation is present, the Table will
+ // not accept any Table Admin or Read/Write requests.
+ google.longrunning.Operation current_operation = 2;
+
+ // The column families configured for this table, mapped by column family id.
+ map<string, ColumnFamily> column_families = 3;
+
+ // The granularity (e.g. MILLIS, MICROS) at which timestamps are stored in
+ // this table. Timestamps not matching the granularity will be rejected.
+ // Cannot be changed once the table is created.
+ TimestampGranularity granularity = 4;
+}
+
+// A set of columns within a table which share a common configuration.
+message ColumnFamily {
+ // A unique identifier of the form <table_name>/columnFamilies/[-_.a-zA-Z0-9]+
+ // The last segment is the same as the "name" field in
+ // google.bigtable.v1.Family.
+ string name = 1;
+
+ // Garbage collection expression specified by the following grammar:
+ // GC = EXPR
+ // | "" ;
+ // EXPR = EXPR, "||", EXPR (* lowest precedence *)
+ // | EXPR, "&&", EXPR
+ // | "(", EXPR, ")" (* highest precedence *)
+ // | PROP ;
+ // PROP = "version() >", NUM32
+ // | "age() >", NUM64, [ UNIT ] ;
+ // NUM32 = non-zero-digit { digit } ; (* # NUM32 <= 2^32 - 1 *)
+ // NUM64 = non-zero-digit { digit } ; (* # NUM64 <= 2^63 - 1 *)
+ // UNIT = "d" | "h" | "m" (* d=days, h=hours, m=minutes, else micros *)
+ // GC expressions can be up to 500 characters in length
+ //
+ // The different types of PROP are defined as follows:
+ // version() - cell index, counting from most recent and starting at 1
+ // age() - age of the cell (current time minus cell timestamp)
+ //
+ // Example: "version() > 3 || (age() > 3d && version() > 1)"
+ // drop cells beyond the most recent three, and drop cells older than three
+ // days unless they're the most recent cell in the row/column
+ //
+ // 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.
+ string gc_expression = 2;
+
+ // Garbage collection rule specified as a protobuf.
+ // Supersedes `gc_expression`.
+ // 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 = 3;
+}
+
+// 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;
+ }
+
+ 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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