yiguolei commented on a change in pull request #669: Convert old files when start be URL: https://github.com/apache/incubator-doris/pull/669#discussion_r261933810
########## File path: be/src/olap/olap_snapshot_converter.cpp ########## @@ -0,0 +1,367 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you 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. + +#include "olap/olap_snapshot_converter.h" + +#include "olap/rowset/alpha_rowset.h" +#include "olap/rowset/rowset_id_generator.h" + +namespace doris { + +OLAPStatus OlapSnapshotConverter::to_olap_header(const TabletMetaPB& tablet_meta_pb, OLAPHeaderMessage* olap_header) { + olap_header->set_num_rows_per_data_block(tablet_meta_pb.schema().num_rows_per_row_block()); + olap_header->set_cumulative_layer_point(tablet_meta_pb.cumulative_layer_point()); + olap_header->set_num_short_key_fields(tablet_meta_pb.schema().num_short_key_columns()); + + for (auto& column : tablet_meta_pb.schema().column()) { + ColumnMessage* column_msg = olap_header->add_column(); + to_column_msg(column, column_msg); + } + + olap_header->set_creation_time(tablet_meta_pb.creation_time()); + olap_header->set_data_file_type(DataFileType::COLUMN_ORIENTED_FILE); + olap_header->set_next_column_unique_id(tablet_meta_pb.schema().next_column_unique_id()); + olap_header->set_compress_kind(tablet_meta_pb.schema().compress_kind()); + + olap_header->set_bf_fpp(tablet_meta_pb.schema().bf_fpp()); + olap_header->set_keys_type(tablet_meta_pb.schema().keys_type()); + + for (auto& rs_meta : tablet_meta_pb.rs_metas()) { + PDelta* pdelta = olap_header->add_delta(); + convert_to_pdelta(rs_meta, pdelta); + } + // not add pending delta, it is usedless in clone or backup restore + for (auto& inc_rs_meta : tablet_meta_pb.inc_rs_metas()) { + PDelta* pdelta = olap_header->add_incremental_delta(); + convert_to_pdelta(inc_rs_meta, pdelta); + } + + olap_header->set_in_restore_mode(tablet_meta_pb.in_restore_mode()); + olap_header->set_tablet_id(tablet_meta_pb.tablet_id()); + olap_header->set_schema_hash(tablet_meta_pb.schema_hash()); + olap_header->set_shard(tablet_meta_pb.shard_id()); + return OLAP_SUCCESS; +} + +OLAPStatus OlapSnapshotConverter::to_tablet_meta_pb(const OLAPHeaderMessage& olap_header, TabletMetaPB* tablet_meta_pb, + vector<RowsetMetaPB>* pending_rowsets, DataDir* data_dir) { + tablet_meta_pb->set_tablet_id(olap_header.tablet_id()); + tablet_meta_pb->set_schema_hash(olap_header.schema_hash()); + tablet_meta_pb->set_shard_id(olap_header.shard()); + tablet_meta_pb->set_creation_time(olap_header.creation_time()); + tablet_meta_pb->set_cumulative_layer_point(olap_header.cumulative_layer_point()); + + TabletSchemaPB* schema = tablet_meta_pb->mutable_schema(); + for (auto& column_msg : olap_header.column()) { + ColumnPB* column_pb = schema->add_column(); + to_column_pb(column_msg, column_pb); + } + schema->set_keys_type(olap_header.keys_type()); + schema->set_num_short_key_columns(olap_header.num_short_key_fields()); + schema->set_num_rows_per_row_block(olap_header.num_rows_per_data_block()); + schema->set_compress_kind(olap_header.compress_kind()); + schema->set_bf_fpp(olap_header.bf_fpp()); + schema->set_next_column_unique_id(olap_header.next_column_unique_id()); + + for (auto& delta : olap_header.delta()) { + RowsetMetaPB* rowset_meta = tablet_meta_pb->add_rs_metas(); + RowsetId next_id; + RETURN_NOT_OK(RowsetIdGenerator::instance()->get_next_id(data_dir, &next_id)); + convert_to_rowset_meta(delta, rowset_meta, next_id, olap_header.tablet_id(), olap_header.schema_hash()); + } + + for (auto& inc_delta : olap_header.incremental_delta()) { + RowsetMetaPB* rowset_meta = tablet_meta_pb->add_inc_rs_metas(); + RowsetId next_id; + RETURN_NOT_OK(RowsetIdGenerator::instance()->get_next_id(data_dir, &next_id)); + convert_to_rowset_meta(inc_delta, rowset_meta, next_id, olap_header.tablet_id(), olap_header.schema_hash()); + } + + for (auto& pending_delta : olap_header.pending_delta()) { + RowsetMetaPB rowset_meta; + RowsetId next_id; + RETURN_NOT_OK(RowsetIdGenerator::instance()->get_next_id(data_dir, &next_id)); + convert_to_rowset_meta(pending_delta, &rowset_meta, next_id, olap_header.tablet_id(), olap_header.schema_hash()); + pending_rowsets->push_back(std::move(rowset_meta)); + } + AlterTabletPB* alter_tablet_pb = tablet_meta_pb->mutable_alter_tablet_task(); + to_alter_tablet_pb(olap_header.schema_change_status(), alter_tablet_pb); + tablet_meta_pb->set_in_restore_mode(olap_header.in_restore_mode()); + tablet_meta_pb->set_tablet_state(TabletStatePB::PB_RUNNING); + return OLAP_SUCCESS; +} + +OLAPStatus OlapSnapshotConverter::convert_to_pdelta(const RowsetMetaPB& rowset_meta_pb, PDelta* delta) { + delta->set_start_version(rowset_meta_pb.start_version()); + delta->set_end_version(rowset_meta_pb.end_version()); + delta->set_version_hash(rowset_meta_pb.version_hash()); + delta->set_creation_time(rowset_meta_pb.creation_time()); + AlphaRowsetExtraMetaPB extra_meta_pb; + extra_meta_pb.ParseFromString(rowset_meta_pb.extra_properties()); + + for (auto& segment_group : extra_meta_pb.segment_groups()) { + SegmentGroupPB* new_segment_group = delta->add_segment_group(); + *new_segment_group = segment_group; + } + DeletePredicatePB* delete_condition = delta->mutable_delete_condition(); + *delete_condition = rowset_meta_pb.delete_predicate(); + return OLAP_SUCCESS; +} + +OLAPStatus OlapSnapshotConverter::convert_to_ppending_delta(const RowsetMetaPB& rowset_meta_pb, PPendingDelta* pending_delta) { + pending_delta->set_partition_id(rowset_meta_pb.partition_id()); + pending_delta->set_transaction_id(rowset_meta_pb.txn_id()); + pending_delta->set_creation_time(rowset_meta_pb.creation_time()); + + AlphaRowsetExtraMetaPB extra_meta_pb; + extra_meta_pb.ParseFromString(rowset_meta_pb.extra_properties()); + for (auto& pending_segment_group : extra_meta_pb.pending_segment_groups()) { + PendingSegmentGroupPB* new_pending_segment_group = pending_delta->add_pending_segment_group(); + *new_pending_segment_group = pending_segment_group; + } + DeletePredicatePB* delete_condition = pending_delta->mutable_delete_condition(); + *delete_condition = rowset_meta_pb.delete_predicate(); + return OLAP_SUCCESS; +} + +OLAPStatus OlapSnapshotConverter::convert_to_rowset_meta(const PDelta& delta, RowsetMetaPB* rowset_meta_pb, + int64_t rowset_id, int64_t tablet_id, int32_t schema_hash) { + rowset_meta_pb->set_rowset_id(rowset_id); + rowset_meta_pb->set_tablet_id(tablet_id); + rowset_meta_pb->set_tablet_schema_hash(schema_hash); + rowset_meta_pb->set_rowset_type(RowsetTypePB::ALPHA_ROWSET); + rowset_meta_pb->set_rowset_state(RowsetStatePB::VISIBLE); + rowset_meta_pb->set_start_version(delta.start_version()); + rowset_meta_pb->set_end_version(delta.end_version()); + rowset_meta_pb->set_version_hash(delta.version_hash()); + + bool empty = true; + int64_t num_rows = 0; + int64_t index_size = 0; + int64_t data_size = 0; + AlphaRowsetExtraMetaPB extra_meta_pb; + for (auto& segment_group : delta.segment_group()) { + SegmentGroupPB* new_segment_group = extra_meta_pb.add_segment_groups(); + *new_segment_group = segment_group; + if (!segment_group.empty()) { + empty = false; + } + num_rows += segment_group.num_rows(); + index_size += segment_group.index_size(); + data_size += segment_group.data_size(); + } + std::string extra_properties; + extra_meta_pb.SerializeToString(&extra_properties); + rowset_meta_pb->set_extra_properties(extra_properties); + + rowset_meta_pb->set_empty(empty); + rowset_meta_pb->set_num_rows(num_rows); + rowset_meta_pb->set_data_disk_size(data_size); + rowset_meta_pb->set_index_disk_size(index_size); + rowset_meta_pb->set_total_disk_size(data_size + index_size); + DeletePredicatePB* delete_condition = rowset_meta_pb->mutable_delete_predicate(); + *delete_condition = delta.delete_condition(); + rowset_meta_pb->set_creation_time(delta.creation_time()); + return OLAP_SUCCESS; +} + +OLAPStatus OlapSnapshotConverter::convert_to_rowset_meta(const PPendingDelta& pending_delta, RowsetMetaPB* rowset_meta_pb, + int64_t rowset_id, int64_t tablet_id, int32_t schema_hash) { + rowset_meta_pb->set_rowset_id(rowset_id); + rowset_meta_pb->set_tablet_id(tablet_id); + rowset_meta_pb->set_tablet_schema_hash(schema_hash); + rowset_meta_pb->set_rowset_type(RowsetTypePB::ALPHA_ROWSET); + rowset_meta_pb->set_rowset_state(RowsetStatePB::COMMITTED); + rowset_meta_pb->set_partition_id(pending_delta.partition_id()); + rowset_meta_pb->set_txn_id(pending_delta.transaction_id()); + rowset_meta_pb->set_creation_time(pending_delta.creation_time()); + + bool empty = true; + int64_t num_rows = 0; + int64_t index_size = 0; + int64_t data_size = 0; + AlphaRowsetExtraMetaPB extra_meta_pb; + for (auto& pending_segment_group : pending_delta.pending_segment_group()) { + PendingSegmentGroupPB* new_pending_segment_group = extra_meta_pb.add_pending_segment_groups(); + *new_pending_segment_group = pending_segment_group; + if (!pending_segment_group.empty()) { + empty = false; + } + // num_rows += pending_segment_group.num_rows(); + // index_size += pending_segment_group.index_size(); + // data_size += pending_segment_group.data_size(); Review comment: pending segment group not have size info.... ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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