tursom/memgraph
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add new snapshot format support

Browse Source 
Reviewers: florijan

Reviewed By: florijan

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1082
This commit is contained in:
Dominik Gleich 2017-12-22 13:33:15 +01:00
parent b094e7473b
commit caaab41108
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
tests/manual/generate_snapshot.cpp
View File

@ -75,6 +75,10 @@ class Writer {
durability::kMagicNumber.size());
encoder_.WriteTypedValue(durability::kVersion);
// ID of the vertex generator.
encoder_.WriteInt(0);
// ID of the edge generator.
encoder_.WriteInt(0);
// Transactional ID of the snapshooter.
encoder_.WriteInt(0);
// Transactional Snapshot is an empty list of transaction IDs.
@ -93,7 +97,7 @@ class Writer {
encoder_.WriteRAW(underlying_cast(communication::bolt::Marker::TinyStruct) +
3);
encoder_.WriteRAW(underlying_cast(communication::bolt::Signature::Node));
auto id = node_counter_++;
auto id = node_generator_.Next(std::experimental::nullopt);
encoder_.WriteInt(id);
encoder_.WriteList(
std::vector<query::TypedValue>{labels.begin(), labels.end()});
@ -109,7 +113,7 @@ class Writer {
5);
encoder_.WriteRAW(
underlying_cast(communication::bolt::Signature::Relationship));
auto id = edge_counter_++;
auto id = edge_generator_.Next(std::experimental::nullopt);
encoder_.WriteInt(id);
encoder_.WriteInt(bolt_id_from);
encoder_.WriteInt(bolt_id_to);
@ -119,15 +123,15 @@ class Writer {
}
void Close() {
buffer_.WriteValue(node_counter_);
buffer_.WriteValue(edge_counter_);
buffer_.WriteValue(node_generator_.LocalCount());
buffer_.WriteValue(edge_generator_.LocalCount());
buffer_.WriteValue(buffer_.hash());
buffer_.Close();
}
private:
int64_t node_counter_{0};
int64_t edge_counter_{0};
gid::GidGenerator node_generator_{0};
gid::GidGenerator edge_generator_{0};
HashedFileWriter buffer_;
communication::bolt::BaseEncoder<HashedFileWriter> encoder_{buffer_};
};