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bugfix for add and drop index for history data
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cambyzju committed May 22, 2024
1 parent 2486fba commit 5082884
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Showing 6 changed files with 104 additions and 0 deletions.
4 changes: 4 additions & 0 deletions be/src/olap/rowset/segment_v2/bloom_filter_index_reader.cpp
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Expand Up @@ -22,6 +22,7 @@

#include "olap/rowset/segment_v2/bloom_filter.h"
#include "olap/types.h"
#include "util/debug_points.h"
#include "vec/columns/column.h"
#include "vec/common/string_ref.h"
#include "vec/data_types/data_type.h"
Expand All @@ -46,6 +47,9 @@ Status BloomFilterIndexReader::_load(bool use_page_cache, bool kept_in_memory) {
}

Status BloomFilterIndexReader::new_iterator(std::unique_ptr<BloomFilterIndexIterator>* iterator) {
DBUG_EXECUTE_IF("BloomFilterIndexReader::new_iterator.fail", {
return Status::InternalError("new_iterator for bloom filter index failed");
});
iterator->reset(new BloomFilterIndexIterator(this));
return Status::OK();
}
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3 changes: 3 additions & 0 deletions be/src/olap/schema_change.cpp
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Expand Up @@ -731,6 +731,9 @@ SchemaChangeJob::SchemaChangeJob(StorageEngine& local_storage_engine,
if (_base_tablet && _new_tablet) {
_base_tablet_schema = std::make_shared<TabletSchema>();
_base_tablet_schema->update_tablet_columns(*_base_tablet->tablet_schema(), request.columns);
// The request only include column info, do not include bitmap or bloomfilter index info,
// So we also need to copy index info from the real base tablet
_base_tablet_schema->update_index_info_from(*_base_tablet->tablet_schema());
// During a schema change, the extracted columns of a variant should not be included in the tablet schema.
// This is because the schema change for a variant needs to ignore the extracted columns.
// Otherwise, the schema types in different rowsets might be inconsistent. When performing a schema change,
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18 changes: 18 additions & 0 deletions be/src/olap/tablet_schema.cpp
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Expand Up @@ -985,6 +985,24 @@ void TabletSchema::copy_from(const TabletSchema& tablet_schema) {
_table_id = tablet_schema.table_id();
}

void TabletSchema::update_index_info_from(const TabletSchema& tablet_schema) {
for (auto& col : _cols) {
if (col->unique_id() < 0) {
continue;
}
const auto iter = tablet_schema._field_id_to_index.find(col->unique_id());
if (iter == tablet_schema._field_id_to_index.end()) {
continue;
}
auto col_idx = iter->second;
if (col_idx < 0 || col_idx >= tablet_schema._cols.size()) {
continue;
}
col->set_is_bf_column(tablet_schema._cols[col_idx]->is_bf_column());
col->set_has_bitmap_index(tablet_schema._cols[col_idx]->has_bitmap_index());
}
}

std::string TabletSchema::to_key() const {
TabletSchemaPB pb;
to_schema_pb(&pb);
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2 changes: 2 additions & 0 deletions be/src/olap/tablet_schema.h
Original file line number Diff line number Diff line change
Expand Up @@ -162,6 +162,7 @@ class TabletColumn {
int32_t parent_unique_id() const { return _parent_col_unique_id; }
void set_parent_unique_id(int32_t col_unique_id) { _parent_col_unique_id = col_unique_id; }
void set_is_bf_column(bool is_bf_column) { _is_bf_column = is_bf_column; }
void set_has_bitmap_index(bool has_bitmap_index) { _has_bitmap_index = has_bitmap_index; }
std::shared_ptr<const vectorized::IDataType> get_vec_type() const;

void append_sparse_column(TabletColumn column);
Expand Down Expand Up @@ -282,6 +283,7 @@ class TabletSchema {
// Must make sure the row column is always the last column
void add_row_column();
void copy_from(const TabletSchema& tablet_schema);
void update_index_info_from(const TabletSchema& tablet_schema);
std::string to_key() const;
// Don't use.
// TODO: memory size of TabletSchema cannot be accurately tracked.
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
-- This file is automatically generated. You should know what you did if you want to edit this
-- !order --
1 2 hello

-- !order --
1 2 hello

-- !order --
1 2 hello

Original file line number Diff line number Diff line change
@@ -0,0 +1,67 @@
// 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.

import org.codehaus.groovy.runtime.IOGroovyMethods

suite("test_index_ddl_fault_injection", "nonConcurrent") {
try {
sql "DROP TABLE IF EXISTS `test_index_ddl_fault_injection_tbl`"
sql """
CREATE TABLE test_index_ddl_fault_injection_tbl (
`k1` int(11) NULL COMMENT "",
`k2` int(11) NULL COMMENT "",
`v1` string NULL COMMENT ""
) ENGINE=OLAP
DUPLICATE KEY(`k1`)
DISTRIBUTED BY HASH(`k1`) BUCKETS 1
PROPERTIES ( "replication_allocation" = "tag.location.default: 1");
"""

sql """ INSERT INTO test_index_ddl_fault_injection_tbl VALUES (1, 2, "hello"), (3, 4, "world"); """
sql 'sync'

qt_order """ select * from test_index_ddl_fault_injection_tbl where v1 = 'hello'; """

// add bloom filter
sql """ ALTER TABLE test_index_ddl_fault_injection_tbl set ("bloom_filter_columns" = "v1"); """
assertEquals("FINISHED", getAlterColumnFinalState("test_index_ddl_fault_injection_tbl"))

try {
qt_order """ select * from test_index_ddl_fault_injection_tbl where v1 = 'hello'; """
GetDebugPoint().enableDebugPointForAllBEs("BloomFilterIndexReader::new_iterator.fail");
test {
sql """ select * from test_index_ddl_fault_injection_tbl where v1 = 'hello'; """
exception "new_iterator for bloom filter index failed"
}
} finally {
GetDebugPoint().disableDebugPointForAllBEs("BloomFilterIndexReader::new_iterator.fail");
}

// drop bloom filter
sql """ ALTER TABLE test_index_ddl_fault_injection_tbl set ("bloom_filter_columns" = ""); """
assertEquals("FINISHED", getAlterColumnFinalState("test_index_ddl_fault_injection_tbl"))

try {
qt_order """ select * from test_index_ddl_fault_injection_tbl where v1 = 'hello'; """
GetDebugPoint().enableDebugPointForAllBEs("BloomFilterIndexReader::new_iterator.fail");
qt_order """ select * from test_index_ddl_fault_injection_tbl where v1 = 'hello'; """
} finally {
GetDebugPoint().disableDebugPointForAllBEs("BloomFilterIndexReader::new_iterator.fail");
}
} finally {
}
}

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