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dolt/go/serial/addressmap.fbs
2023-05-11 15:34:57 -07:00

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// Copyright 2021 Dolthub, 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.
namespace serial;
table AddressMap {
// sorted array of key items
key_items:[ubyte] (required);
// items offets for |key_items|
// first offset is 0, last offset is len(key_items)
key_offsets:[uint16] (required);
// array of chunk addresses
// - subtree addresses for internal prolly tree nodes
// - value addresses for AddressMap leaf nodes
address_array:[ubyte] (required);
// array of varint encoded subtree counts
// see: go/store/prolly/message/varint.go
subtree_counts:[ubyte];
// total count of prolly tree
tree_count:uint64;
// prolly tree level, 0 for leaf nodes
tree_level:uint8;
}
// KEEP THIS IN SYNC WITH fileidentifiers.go
file_identifier "ADRM";
root_type AddressMap;