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rocksdb/db/import_column_family_test.cc

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#ifndef ROCKSDB_LITE
#include <functional>
#include "db/db_test_util.h"
#include "port/port.h"
#include "port/stack_trace.h"
#include "rocksdb/sst_file_writer.h"
#include "test_util/testutil.h"
#include "util/random.h"
namespace ROCKSDB_NAMESPACE {
class ImportColumnFamilyTest : public DBTestBase {
public:
ImportColumnFamilyTest()
: DBTestBase("/import_column_family_test", /*env_do_fsync=*/true) {
sst_files_dir_ = dbname_ + "/sst_files/";
DestroyAndRecreateExternalSSTFilesDir();
export_files_dir_ = test::PerThreadDBPath(env_, "export");
import_cfh_ = nullptr;
import_cfh2_ = nullptr;
metadata_ptr_ = nullptr;
}
~ImportColumnFamilyTest() {
if (import_cfh_) {
EXPECT_OK(db_->DropColumnFamily(import_cfh_));
EXPECT_OK(db_->DestroyColumnFamilyHandle(import_cfh_));
import_cfh_ = nullptr;
}
if (import_cfh2_) {
EXPECT_OK(db_->DropColumnFamily(import_cfh2_));
EXPECT_OK(db_->DestroyColumnFamilyHandle(import_cfh2_));
import_cfh2_ = nullptr;
}
if (metadata_ptr_) {
delete metadata_ptr_;
metadata_ptr_ = nullptr;
}
EXPECT_OK(DestroyDir(env_, sst_files_dir_));
EXPECT_OK(DestroyDir(env_, export_files_dir_));
}
void DestroyAndRecreateExternalSSTFilesDir() {
EXPECT_OK(DestroyDir(env_, sst_files_dir_));
EXPECT_OK(env_->CreateDir(sst_files_dir_));
EXPECT_OK(DestroyDir(env_, export_files_dir_));
}
LiveFileMetaData LiveFileMetaDataInit(std::string name, std::string path,
int level,
SequenceNumber smallest_seqno,
SequenceNumber largest_seqno) {
LiveFileMetaData metadata;
metadata.name = name;
metadata.db_path = path;
metadata.smallest_seqno = smallest_seqno;
metadata.largest_seqno = largest_seqno;
metadata.level = level;
return metadata;
}
protected:
std::string sst_files_dir_;
std::string export_files_dir_;
ColumnFamilyHandle* import_cfh_;
ColumnFamilyHandle* import_cfh2_;
ExportImportFilesMetaData* metadata_ptr_;
};
TEST_F(ImportColumnFamilyTest, ImportSSTFileWriterFiles) {
Options options = CurrentOptions();
CreateAndReopenWithCF({"koko"}, options);
SstFileWriter sfw_cf1(EnvOptions(), options, handles_[1]);
SstFileWriter sfw_unknown(EnvOptions(), options);
// cf1.sst
const std::string cf1_sst_name = "cf1.sst";
const std::string cf1_sst = sst_files_dir_ + cf1_sst_name;
ASSERT_OK(sfw_cf1.Open(cf1_sst));
ASSERT_OK(sfw_cf1.Put("K1", "V1"));
ASSERT_OK(sfw_cf1.Put("K2", "V2"));
ASSERT_OK(sfw_cf1.Finish());
// cf_unknown.sst
const std::string unknown_sst_name = "cf_unknown.sst";
const std::string unknown_sst = sst_files_dir_ + unknown_sst_name;
ASSERT_OK(sfw_unknown.Open(unknown_sst));
ASSERT_OK(sfw_unknown.Put("K3", "V1"));
ASSERT_OK(sfw_unknown.Put("K4", "V2"));
ASSERT_OK(sfw_unknown.Finish());
{
// Import sst file corresponding to cf1 onto a new cf and verify
ExportImportFilesMetaData metadata;
metadata.files.push_back(
LiveFileMetaDataInit(cf1_sst_name, sst_files_dir_, 0, 10, 19));
metadata.db_comparator_name = options.comparator->Name();
ASSERT_OK(db_->CreateColumnFamilyWithImport(
options, "toto", ImportColumnFamilyOptions(), metadata, &import_cfh_));
ASSERT_NE(import_cfh_, nullptr);
std::string value;
db_->Get(ReadOptions(), import_cfh_, "K1", &value);
ASSERT_EQ(value, "V1");
db_->Get(ReadOptions(), import_cfh_, "K2", &value);
ASSERT_EQ(value, "V2");
ASSERT_OK(db_->DropColumnFamily(import_cfh_));
ASSERT_OK(db_->DestroyColumnFamilyHandle(import_cfh_));
import_cfh_ = nullptr;
}
{
// Import sst file corresponding to unknown cf onto a new cf and verify
ExportImportFilesMetaData metadata;
metadata.files.push_back(
LiveFileMetaDataInit(unknown_sst_name, sst_files_dir_, 0, 20, 29));
metadata.db_comparator_name = options.comparator->Name();
ASSERT_OK(db_->CreateColumnFamilyWithImport(
options, "yoyo", ImportColumnFamilyOptions(), metadata, &import_cfh_));
ASSERT_NE(import_cfh_, nullptr);
std::string value;
db_->Get(ReadOptions(), import_cfh_, "K3", &value);
ASSERT_EQ(value, "V1");
db_->Get(ReadOptions(), import_cfh_, "K4", &value);
ASSERT_EQ(value, "V2");
}
}
TEST_F(ImportColumnFamilyTest, ImportSSTFileWriterFilesWithOverlap) {
Options options = CurrentOptions();
CreateAndReopenWithCF({"koko"}, options);
SstFileWriter sfw_cf1(EnvOptions(), options, handles_[1]);
// file3.sst
const std::string file3_sst_name = "file3.sst";
const std::string file3_sst = sst_files_dir_ + file3_sst_name;
ASSERT_OK(sfw_cf1.Open(file3_sst));
for (int i = 0; i < 100; ++i) {
ASSERT_OK(sfw_cf1.Put(Key(i), Key(i) + "_val"));
}
ASSERT_OK(sfw_cf1.Finish());
// file2.sst
const std::string file2_sst_name = "file2.sst";
const std::string file2_sst = sst_files_dir_ + file2_sst_name;
ASSERT_OK(sfw_cf1.Open(file2_sst));
for (int i = 0; i < 100; i += 2) {
ASSERT_OK(sfw_cf1.Put(Key(i), Key(i) + "_overwrite1"));
}
ASSERT_OK(sfw_cf1.Finish());
// file1a.sst
const std::string file1a_sst_name = "file1a.sst";
const std::string file1a_sst = sst_files_dir_ + file1a_sst_name;
ASSERT_OK(sfw_cf1.Open(file1a_sst));
for (int i = 0; i < 52; i += 4) {
ASSERT_OK(sfw_cf1.Put(Key(i), Key(i) + "_overwrite2"));
}
ASSERT_OK(sfw_cf1.Finish());
// file1b.sst
const std::string file1b_sst_name = "file1b.sst";
const std::string file1b_sst = sst_files_dir_ + file1b_sst_name;
ASSERT_OK(sfw_cf1.Open(file1b_sst));
for (int i = 52; i < 100; i += 4) {
ASSERT_OK(sfw_cf1.Put(Key(i), Key(i) + "_overwrite2"));
}
ASSERT_OK(sfw_cf1.Finish());
// file0a.sst
const std::string file0a_sst_name = "file0a.sst";
const std::string file0a_sst = sst_files_dir_ + file0a_sst_name;
ASSERT_OK(sfw_cf1.Open(file0a_sst));
for (int i = 0; i < 100; i += 16) {
ASSERT_OK(sfw_cf1.Put(Key(i), Key(i) + "_overwrite3"));
}
ASSERT_OK(sfw_cf1.Finish());
// file0b.sst
const std::string file0b_sst_name = "file0b.sst";
const std::string file0b_sst = sst_files_dir_ + file0b_sst_name;
ASSERT_OK(sfw_cf1.Open(file0b_sst));
for (int i = 0; i < 100; i += 16) {
ASSERT_OK(sfw_cf1.Put(Key(i), Key(i) + "_overwrite4"));
}
ASSERT_OK(sfw_cf1.Finish());
// Import sst files and verify
ExportImportFilesMetaData metadata;
metadata.files.push_back(
LiveFileMetaDataInit(file3_sst_name, sst_files_dir_, 3, 10, 19));
metadata.files.push_back(
LiveFileMetaDataInit(file2_sst_name, sst_files_dir_, 2, 20, 29));
metadata.files.push_back(
LiveFileMetaDataInit(file1a_sst_name, sst_files_dir_, 1, 30, 34));
metadata.files.push_back(
LiveFileMetaDataInit(file1b_sst_name, sst_files_dir_, 1, 35, 39));
metadata.files.push_back(
LiveFileMetaDataInit(file0a_sst_name, sst_files_dir_, 0, 40, 49));
metadata.files.push_back(
LiveFileMetaDataInit(file0b_sst_name, sst_files_dir_, 0, 50, 59));
metadata.db_comparator_name = options.comparator->Name();
ASSERT_OK(db_->CreateColumnFamilyWithImport(
options, "toto", ImportColumnFamilyOptions(), metadata, &import_cfh_));
ASSERT_NE(import_cfh_, nullptr);
for (int i = 0; i < 100; i++) {
std::string value;
db_->Get(ReadOptions(), import_cfh_, Key(i), &value);
if (i % 16 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite4");
} else if (i % 4 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite2");
} else if (i % 2 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite1");
} else {
ASSERT_EQ(value, Key(i) + "_val");
}
}
for (int i = 0; i < 100; i += 5) {
ASSERT_OK(
db_->Put(WriteOptions(), import_cfh_, Key(i), Key(i) + "_overwrite5"));
}
// Flush and check again
ASSERT_OK(db_->Flush(FlushOptions(), import_cfh_));
for (int i = 0; i < 100; i++) {
std::string value;
db_->Get(ReadOptions(), import_cfh_, Key(i), &value);
if (i % 5 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite5");
} else if (i % 16 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite4");
} else if (i % 4 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite2");
} else if (i % 2 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite1");
} else {
ASSERT_EQ(value, Key(i) + "_val");
}
}
// Compact and check again.
ASSERT_OK(
db_->CompactRange(CompactRangeOptions(), import_cfh_, nullptr, nullptr));
for (int i = 0; i < 100; i++) {
std::string value;
db_->Get(ReadOptions(), import_cfh_, Key(i), &value);
if (i % 5 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite5");
} else if (i % 16 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite4");
} else if (i % 4 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite2");
} else if (i % 2 == 0) {
ASSERT_EQ(value, Key(i) + "_overwrite1");
} else {
ASSERT_EQ(value, Key(i) + "_val");
}
}
}
TEST_F(ImportColumnFamilyTest, ImportExportedSSTFromAnotherCF) {
Options options = CurrentOptions();
CreateAndReopenWithCF({"koko"}, options);
for (int i = 0; i < 100; ++i) {
ASSERT_OK(Put(1, Key(i), Key(i) + "_val"));
}
ASSERT_OK(Flush(1));
ASSERT_OK(
db_->CompactRange(CompactRangeOptions(), handles_[1], nullptr, nullptr));
// Overwrite the value in the same set of keys.
for (int i = 0; i < 100; ++i) {
ASSERT_OK(Put(1, Key(i), Key(i) + "_overwrite"));
}
// Flush to create L0 file.
ASSERT_OK(Flush(1));
for (int i = 0; i < 100; ++i) {
ASSERT_OK(Put(1, Key(i), Key(i) + "_overwrite2"));
}
// Flush again to create another L0 file. It should have higher sequencer.
ASSERT_OK(Flush(1));
Checkpoint* checkpoint;
ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
ASSERT_OK(checkpoint->ExportColumnFamily(handles_[1], export_files_dir_,
&metadata_ptr_));
ASSERT_NE(metadata_ptr_, nullptr);
delete checkpoint;
ImportColumnFamilyOptions import_options;
import_options.move_files = false;
ASSERT_OK(db_->CreateColumnFamilyWithImport(options, "toto", import_options,
*metadata_ptr_, &import_cfh_));
ASSERT_NE(import_cfh_, nullptr);
import_options.move_files = true;
ASSERT_OK(db_->CreateColumnFamilyWithImport(options, "yoyo", import_options,
*metadata_ptr_, &import_cfh2_));
ASSERT_NE(import_cfh2_, nullptr);
delete metadata_ptr_;
metadata_ptr_ = NULL;
std::string value1, value2;
for (int i = 0; i < 100; ++i) {
db_->Get(ReadOptions(), import_cfh_, Key(i), &value1);
ASSERT_EQ(Get(1, Key(i)), value1);
}
for (int i = 0; i < 100; ++i) {
db_->Get(ReadOptions(), import_cfh2_, Key(i), &value2);
ASSERT_EQ(Get(1, Key(i)), value2);
}
// Modify keys in cf1 and verify.
for (int i = 0; i < 25; i++) {
ASSERT_OK(db_->Delete(WriteOptions(), import_cfh_, Key(i)));
}
for (int i = 25; i < 50; i++) {
ASSERT_OK(
db_->Put(WriteOptions(), import_cfh_, Key(i), Key(i) + "_overwrite3"));
}
for (int i = 0; i < 25; ++i) {
ASSERT_TRUE(
db_->Get(ReadOptions(), import_cfh_, Key(i), &value1).IsNotFound());
}
for (int i = 25; i < 50; ++i) {
db_->Get(ReadOptions(), import_cfh_, Key(i), &value1);
ASSERT_EQ(Key(i) + "_overwrite3", value1);
}
for (int i = 50; i < 100; ++i) {
db_->Get(ReadOptions(), import_cfh_, Key(i), &value1);
ASSERT_EQ(Key(i) + "_overwrite2", value1);
}
for (int i = 0; i < 100; ++i) {
db_->Get(ReadOptions(), import_cfh2_, Key(i), &value2);
ASSERT_EQ(Get(1, Key(i)), value2);
}
// Compact and check again.
ASSERT_OK(db_->Flush(FlushOptions(), import_cfh_));
ASSERT_OK(
db_->CompactRange(CompactRangeOptions(), import_cfh_, nullptr, nullptr));
for (int i = 0; i < 25; ++i) {
ASSERT_TRUE(
db_->Get(ReadOptions(), import_cfh_, Key(i), &value1).IsNotFound());
}
for (int i = 25; i < 50; ++i) {
db_->Get(ReadOptions(), import_cfh_, Key(i), &value1);
ASSERT_EQ(Key(i) + "_overwrite3", value1);
}
for (int i = 50; i < 100; ++i) {
db_->Get(ReadOptions(), import_cfh_, Key(i), &value1);
ASSERT_EQ(Key(i) + "_overwrite2", value1);
}
for (int i = 0; i < 100; ++i) {
db_->Get(ReadOptions(), import_cfh2_, Key(i), &value2);
ASSERT_EQ(Get(1, Key(i)), value2);
}
}
TEST_F(ImportColumnFamilyTest, ImportExportedSSTFromAnotherDB) {
Options options = CurrentOptions();
CreateAndReopenWithCF({"koko"}, options);
for (int i = 0; i < 100; ++i) {
ASSERT_OK(Put(1, Key(i), Key(i) + "_val"));
}
ASSERT_OK(Flush(1));
// Compact to create a L1 file.
ASSERT_OK(
db_->CompactRange(CompactRangeOptions(), handles_[1], nullptr, nullptr));
// Overwrite the value in the same set of keys.
for (int i = 0; i < 50; ++i) {
ASSERT_OK(Put(1, Key(i), Key(i) + "_overwrite"));
}
// Flush to create L0 file.
ASSERT_OK(Flush(1));
for (int i = 0; i < 25; ++i) {
ASSERT_OK(Put(1, Key(i), Key(i) + "_overwrite2"));
}
// Flush again to create another L0 file. It should have higher sequencer.
ASSERT_OK(Flush(1));
Checkpoint* checkpoint;
ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
ASSERT_OK(checkpoint->ExportColumnFamily(handles_[1], export_files_dir_,
&metadata_ptr_));
ASSERT_NE(metadata_ptr_, nullptr);
delete checkpoint;
// Create a new db and import the files.
DB* db_copy;
ASSERT_OK(DestroyDir(env_, dbname_ + "/db_copy"));
ASSERT_OK(DB::Open(options, dbname_ + "/db_copy", &db_copy));
ColumnFamilyHandle* cfh = nullptr;
ASSERT_OK(db_copy->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "yoyo",
ImportColumnFamilyOptions(),
*metadata_ptr_, &cfh));
ASSERT_NE(cfh, nullptr);
for (int i = 0; i < 100; ++i) {
std::string value;
db_copy->Get(ReadOptions(), cfh, Key(i), &value);
ASSERT_EQ(Get(1, Key(i)), value);
}
ASSERT_OK(db_copy->DropColumnFamily(cfh));
ASSERT_OK(db_copy->DestroyColumnFamilyHandle(cfh));
delete db_copy;
ASSERT_OK(DestroyDir(env_, dbname_ + "/db_copy"));
}
TEST_F(ImportColumnFamilyTest, LevelFilesOverlappingAtEndpoints) {
// Imports a column family containing a level where two files overlap at their
// endpoints. "Overlap" means the largest user key in one file is the same as
// the smallest user key in the second file.
const int kFileBytes = 128 << 10; // 128KB
const int kValueBytes = 1 << 10; // 1KB
const int kNumFiles = 4;
Options options = CurrentOptions();
options.disable_auto_compactions = true;
options.num_levels = 2;
CreateAndReopenWithCF({"koko"}, options);
Random rnd(301);
// Every key is snapshot protected to ensure older versions will not be
// dropped during compaction.
std::vector<const Snapshot*> snapshots;
snapshots.reserve(kFileBytes / kValueBytes * kNumFiles);
for (int i = 0; i < kNumFiles; ++i) {
for (int j = 0; j < kFileBytes / kValueBytes; ++j) {
auto value = rnd.RandomString(kValueBytes);
ASSERT_OK(Put(1, "key", value));
snapshots.push_back(db_->GetSnapshot());
}
ASSERT_OK(Flush(1));
}
// Compact to create overlapping L1 files.
ASSERT_OK(
db_->CompactRange(CompactRangeOptions(), handles_[1], nullptr, nullptr));
ASSERT_GT(NumTableFilesAtLevel(1, 1), 1);
Checkpoint* checkpoint;
ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
ASSERT_OK(checkpoint->ExportColumnFamily(handles_[1], export_files_dir_,
&metadata_ptr_));
ASSERT_NE(metadata_ptr_, nullptr);
delete checkpoint;
// Create a new db and import the files.
DB* db_copy;
ASSERT_OK(DestroyDir(env_, dbname_ + "/db_copy"));
ASSERT_OK(DB::Open(options, dbname_ + "/db_copy", &db_copy));
ColumnFamilyHandle* cfh = nullptr;
ASSERT_OK(db_copy->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "yoyo",
ImportColumnFamilyOptions(),
*metadata_ptr_, &cfh));
ASSERT_NE(cfh, nullptr);
{
std::string value;
ASSERT_OK(db_copy->Get(ReadOptions(), cfh, "key", &value));
}
ASSERT_OK(db_copy->DropColumnFamily(cfh));
ASSERT_OK(db_copy->DestroyColumnFamilyHandle(cfh));
delete db_copy;
ASSERT_OK(DestroyDir(env_, dbname_ + "/db_copy"));
for (const Snapshot* snapshot : snapshots) {
db_->ReleaseSnapshot(snapshot);
}
}
TEST_F(ImportColumnFamilyTest, ImportColumnFamilyNegativeTest) {
Options options = CurrentOptions();
CreateAndReopenWithCF({"koko"}, options);
{
// Create column family with existing cf name.
ExportImportFilesMetaData metadata;
ASSERT_EQ(db_->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "koko",
ImportColumnFamilyOptions(),
metadata, &import_cfh_),
Status::InvalidArgument("Column family already exists"));
ASSERT_EQ(import_cfh_, nullptr);
}
{
// Import with no files specified.
ExportImportFilesMetaData metadata;
ASSERT_EQ(db_->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "yoyo",
ImportColumnFamilyOptions(),
metadata, &import_cfh_),
Status::InvalidArgument("The list of files is empty"));
ASSERT_EQ(import_cfh_, nullptr);
}
{
// Import with overlapping keys in sst files.
ExportImportFilesMetaData metadata;
SstFileWriter sfw_cf1(EnvOptions(), options, handles_[1]);
const std::string file1_sst_name = "file1.sst";
const std::string file1_sst = sst_files_dir_ + file1_sst_name;
ASSERT_OK(sfw_cf1.Open(file1_sst));
ASSERT_OK(sfw_cf1.Put("K1", "V1"));
ASSERT_OK(sfw_cf1.Put("K2", "V2"));
ASSERT_OK(sfw_cf1.Finish());
const std::string file2_sst_name = "file2.sst";
const std::string file2_sst = sst_files_dir_ + file2_sst_name;
ASSERT_OK(sfw_cf1.Open(file2_sst));
ASSERT_OK(sfw_cf1.Put("K2", "V2"));
ASSERT_OK(sfw_cf1.Put("K3", "V3"));
ASSERT_OK(sfw_cf1.Finish());
metadata.files.push_back(
LiveFileMetaDataInit(file1_sst_name, sst_files_dir_, 1, 10, 19));
metadata.files.push_back(
LiveFileMetaDataInit(file2_sst_name, sst_files_dir_, 1, 10, 19));
metadata.db_comparator_name = options.comparator->Name();
ASSERT_EQ(db_->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "yoyo",
ImportColumnFamilyOptions(),
metadata, &import_cfh_),
Status::InvalidArgument("Files have overlapping ranges"));
ASSERT_EQ(import_cfh_, nullptr);
}
{
// Import with a mismatching comparator, should fail with appropriate error.
ExportImportFilesMetaData metadata;
Options mismatch_options = CurrentOptions();
mismatch_options.comparator = ReverseBytewiseComparator();
SstFileWriter sfw_cf1(EnvOptions(), mismatch_options, handles_[1]);
const std::string file1_sst_name = "file1.sst";
const std::string file1_sst = sst_files_dir_ + file1_sst_name;
ASSERT_OK(sfw_cf1.Open(file1_sst));
ASSERT_OK(sfw_cf1.Put("K2", "V2"));
ASSERT_OK(sfw_cf1.Put("K1", "V1"));
ASSERT_OK(sfw_cf1.Finish());
metadata.files.push_back(
LiveFileMetaDataInit(file1_sst_name, sst_files_dir_, 1, 10, 19));
metadata.db_comparator_name = mismatch_options.comparator->Name();
ASSERT_EQ(db_->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "coco",
ImportColumnFamilyOptions(),
metadata, &import_cfh_),
Status::InvalidArgument("Comparator name mismatch"));
ASSERT_EQ(import_cfh_, nullptr);
}
{
// Import with non existent sst file should fail with appropriate error
ExportImportFilesMetaData metadata;
SstFileWriter sfw_cf1(EnvOptions(), options, handles_[1]);
const std::string file1_sst_name = "file1.sst";
const std::string file1_sst = sst_files_dir_ + file1_sst_name;
ASSERT_OK(sfw_cf1.Open(file1_sst));
ASSERT_OK(sfw_cf1.Put("K1", "V1"));
ASSERT_OK(sfw_cf1.Put("K2", "V2"));
ASSERT_OK(sfw_cf1.Finish());
const std::string file3_sst_name = "file3.sst";
metadata.files.push_back(
LiveFileMetaDataInit(file1_sst_name, sst_files_dir_, 1, 10, 19));
metadata.files.push_back(
LiveFileMetaDataInit(file3_sst_name, sst_files_dir_, 1, 10, 19));
metadata.db_comparator_name = options.comparator->Name();
ASSERT_EQ(db_->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "yoyo",
ImportColumnFamilyOptions(),
metadata, &import_cfh_),
Status::IOError("No such file or directory"));
ASSERT_EQ(import_cfh_, nullptr);
// Test successful import after a failure with the same CF name. Ensures
// there is no side effect with CF when there is a failed import
metadata.files.pop_back();
metadata.db_comparator_name = options.comparator->Name();
ASSERT_OK(db_->CreateColumnFamilyWithImport(ColumnFamilyOptions(), "yoyo",
ImportColumnFamilyOptions(),
metadata, &import_cfh_));
ASSERT_NE(import_cfh_, nullptr);
}
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
#else
#include <stdio.h>
int main(int /*argc*/, char** /*argv*/) {
fprintf(stderr,
"SKIPPED as External SST File Writer and Import are not supported "
"in ROCKSDB_LITE\n");
return 0;
}
#endif // !ROCKSDB_LITE