mirrors/scylladb
1
0
Fork 0
mirror of https://github.com/scylladb/scylladb.git synced 2026-06-06 15:03:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

mvcc: Implement partition_entry::upgrade() using squashed()

Browse Source 
To reduce duplication of version merging logic.
This commit is contained in:
Tomasz Grabiec
2017-12-13 10:56:16 +01:00
parent 88aff526df
commit 5331b7b8e2
1 changed files with 1 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
partition_version.cc
View File

@@ -461,17 +461,7 @@ mutation_partition partition_entry::squashed(const schema& s)
void partition_entry::upgrade(schema_ptr from, schema_ptr to)
{
auto new_version = current_allocator().construct<partition_version>(mutation_partition(to));
new_version->partition().set_static_row_continuous(_version->partition().static_row_continuous());
try {
for (auto&& v : _version->all_elements()) {
new_version->partition().apply(*to, v.partition(), *from);
}
} catch (...) {
current_allocator().destroy(new_version);
throw;
}
auto new_version = current_allocator().construct<partition_version>(squashed(from, to));
auto old_version = &*_version;
set_version(new_version);
remove_or_mark_as_unique_owner(old_version);