chaoyli commented on a change in pull request #2212: Add rowset convert
URL: https://github.com/apache/incubator-doris/pull/2212#discussion_r352347343
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File path: be/src/olap/snapshot_manager.cpp
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@@ -546,4 +538,45 @@ OLAPStatus SnapshotManager::_create_snapshot_files(
return res;
}
+OLAPStatus SnapshotManager::_convert_beta_rowsets_to_alpha(const
TabletMetaSharedPtr& new_tablet_meta,
+ const vector<RowsetMetaSharedPtr>& rowset_metas, const
std::string& dst_path, bool is_incremental) {
+ OLAPStatus res = OLAP_SUCCESS;
+ RowsetConverter rowset_converter(new_tablet_meta);
+ std::vector<RowsetMetaSharedPtr> new_rowset_metas;
+ bool modified = false;
+ for (auto& rowset_meta : rowset_metas) {
+ if (rowset_meta->rowset_type() == BETA_ROWSET) {
+ modified = true;
+ RowsetMetaPB rowset_meta_pb;
+ auto st = rowset_converter.convert_beta_to_alpha(rowset_meta,
dst_path, &rowset_meta_pb);
+ if (st != OLAP_SUCCESS) {
+ res = st;
+ LOG(WARNING) << "convert beta to alpha failed"
+ << ", tablet_id:" << new_tablet_meta->tablet_id()
+ << ", schema hash:" << new_tablet_meta->schema_hash()
+ << ", src rowset:" << rowset_meta->rowset_id()
+ << ", error:" << st;
+ break;
+ }
+ RowsetMetaSharedPtr new_rowset_meta(new AlphaRowsetMeta());
+ bool ret = new_rowset_meta->init_from_pb(rowset_meta_pb);
+ if (!ret) {
+ res = OLAP_ERR_INIT_FAILED;
+ break;
+ }
+ new_rowset_metas.push_back(new_rowset_meta);
+ } else {
+ new_rowset_metas.push_back(rowset_meta);
+ }
+ }
+ if (res == OLAP_SUCCESS && modified) {
Review comment:
if modified is false, I think there is no necessity to call revise_rs_metas,
because the new_tablet_meta is not changed.
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