[ceph.git] / ceph / src / rocksdb / db / repair_test.cc

//  Copyright (c) 2016-present, Facebook, Inc.  All rights reserved.
//  This source code is licensed under both the GPLv2 (found in the
//  COPYING file in the root directory) and Apache 2.0 License
//  (found in the LICENSE.Apache file in the root directory).

#ifndef ROCKSDB_LITE

#include <algorithm>
#include <string>
#include <vector>

#include "db/db_impl.h"
#include "db/db_test_util.h"
#include "rocksdb/comparator.h"
#include "rocksdb/db.h"
#include "rocksdb/transaction_log.h"
#include "util/file_util.h"
#include "util/string_util.h"

namespace rocksdb {

#ifndef ROCKSDB_LITE
class RepairTest : public DBTestBase {
 public:
  RepairTest() : DBTestBase("/repair_test") {}

  std::string GetFirstSstPath() {
    uint64_t manifest_size;
    std::vector<std::string> files;
    db_->GetLiveFiles(files, &manifest_size);
    auto sst_iter =
        std::find_if(files.begin(), files.end(), [](const std::string& file) {
          uint64_t number;
          FileType type;
          bool ok = ParseFileName(file, &number, &type);
          return ok && type == kTableFile;
        });
    return sst_iter == files.end() ? "" : dbname_ + *sst_iter;
  }
};

TEST_F(RepairTest, LostManifest) {
  // Add a couple SST files, delete the manifest, and verify RepairDB() saves
  // the day.
  Put("key", "val");
  Flush();
  Put("key2", "val2");
  Flush();
  // Need to get path before Close() deletes db_, but delete it after Close() to
  // ensure Close() didn't change the manifest.
  std::string manifest_path =
      DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());

  Close();
  ASSERT_OK(env_->FileExists(manifest_path));
  ASSERT_OK(env_->DeleteFile(manifest_path));
  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
  Reopen(CurrentOptions());

  ASSERT_EQ(Get("key"), "val");
  ASSERT_EQ(Get("key2"), "val2");
}

TEST_F(RepairTest, CorruptManifest) {
  // Manifest is in an invalid format. Expect a full recovery.
  Put("key", "val");
  Flush();
  Put("key2", "val2");
  Flush();
  // Need to get path before Close() deletes db_, but overwrite it after Close()
  // to ensure Close() didn't change the manifest.
  std::string manifest_path =
      DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());

  Close();
  ASSERT_OK(env_->FileExists(manifest_path));
  CreateFile(env_, manifest_path, "blah", false /* use_fsync */);
  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
  Reopen(CurrentOptions());

  ASSERT_EQ(Get("key"), "val");
  ASSERT_EQ(Get("key2"), "val2");
}

TEST_F(RepairTest, IncompleteManifest) {
  // In this case, the manifest is valid but does not reference all of the SST
  // files. Expect a full recovery.
  Put("key", "val");
  Flush();
  std::string orig_manifest_path =
      DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
  CopyFile(orig_manifest_path, orig_manifest_path + ".tmp");
  Put("key2", "val2");
  Flush();
  // Need to get path before Close() deletes db_, but overwrite it after Close()
  // to ensure Close() didn't change the manifest.
  std::string new_manifest_path =
      DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());

  Close();
  ASSERT_OK(env_->FileExists(new_manifest_path));
  // Replace the manifest with one that is only aware of the first SST file.
  CopyFile(orig_manifest_path + ".tmp", new_manifest_path);
  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
  Reopen(CurrentOptions());

  ASSERT_EQ(Get("key"), "val");
  ASSERT_EQ(Get("key2"), "val2");
}

TEST_F(RepairTest, PostRepairSstFileNumbering) {
  // Verify after a DB is repaired, new files will be assigned higher numbers
  // than old files.
  Put("key", "val");
  Flush();
  Put("key2", "val2");
  Flush();
  uint64_t pre_repair_file_num = dbfull()->TEST_Current_Next_FileNo();
  Close();

  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));

  Reopen(CurrentOptions());
  uint64_t post_repair_file_num = dbfull()->TEST_Current_Next_FileNo();
  ASSERT_GE(post_repair_file_num, pre_repair_file_num);
}

TEST_F(RepairTest, LostSst) {
  // Delete one of the SST files but preserve the manifest that refers to it,
  // then verify the DB is still usable for the intact SST.
  Put("key", "val");
  Flush();
  Put("key2", "val2");
  Flush();
  auto sst_path = GetFirstSstPath();
  ASSERT_FALSE(sst_path.empty());
  ASSERT_OK(env_->DeleteFile(sst_path));

  Close();
  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
  Reopen(CurrentOptions());

  // Exactly one of the key-value pairs should be in the DB now.
  ASSERT_TRUE((Get("key") == "val") != (Get("key2") == "val2"));
}

TEST_F(RepairTest, CorruptSst) {
  // Corrupt one of the SST files but preserve the manifest that refers to it,
  // then verify the DB is still usable for the intact SST.
  Put("key", "val");
  Flush();
  Put("key2", "val2");
  Flush();
  auto sst_path = GetFirstSstPath();
  ASSERT_FALSE(sst_path.empty());
  CreateFile(env_, sst_path, "blah", false /* use_fsync */);

  Close();
  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
  Reopen(CurrentOptions());

  // Exactly one of the key-value pairs should be in the DB now.
  ASSERT_TRUE((Get("key") == "val") != (Get("key2") == "val2"));
}

TEST_F(RepairTest, UnflushedSst) {
  // This test case invokes repair while some data is unflushed, then verifies
  // that data is in the db.
  Put("key", "val");
  VectorLogPtr wal_files;
  ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
  ASSERT_EQ(wal_files.size(), 1);
  uint64_t total_ssts_size;
  GetAllSSTFiles(&total_ssts_size);
  ASSERT_EQ(total_ssts_size, 0);
  // Need to get path before Close() deletes db_, but delete it after Close() to
  // ensure Close() didn't change the manifest.
  std::string manifest_path =
      DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());

  Close();
  ASSERT_OK(env_->FileExists(manifest_path));
  ASSERT_OK(env_->DeleteFile(manifest_path));
  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
  Reopen(CurrentOptions());

  ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
  ASSERT_EQ(wal_files.size(), 0);
  GetAllSSTFiles(&total_ssts_size);
  ASSERT_GT(total_ssts_size, 0);
  ASSERT_EQ(Get("key"), "val");
}

TEST_F(RepairTest, SeparateWalDir) {
  do {
    Options options = CurrentOptions();
    DestroyAndReopen(options);
    Put("key", "val");
    Put("foo", "bar");
    VectorLogPtr wal_files;
    ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
    ASSERT_EQ(wal_files.size(), 1);
    uint64_t total_ssts_size;
    GetAllSSTFiles(&total_ssts_size);
    ASSERT_EQ(total_ssts_size, 0);
    std::string manifest_path =
      DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());

    Close();
    ASSERT_OK(env_->FileExists(manifest_path));
    ASSERT_OK(env_->DeleteFile(manifest_path));
    ASSERT_OK(RepairDB(dbname_, options));

    // make sure that all WALs are converted to SSTables.
    options.wal_dir = "";

    Reopen(options);
    ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
    ASSERT_EQ(wal_files.size(), 0);
    GetAllSSTFiles(&total_ssts_size);
    ASSERT_GT(total_ssts_size, 0);
    ASSERT_EQ(Get("key"), "val");
    ASSERT_EQ(Get("foo"), "bar");

 } while(ChangeWalOptions());
}

TEST_F(RepairTest, RepairMultipleColumnFamilies) {
  // Verify repair logic associates SST files with their original column
  // families.
  const int kNumCfs = 3;
  const int kEntriesPerCf = 2;
  DestroyAndReopen(CurrentOptions());
  CreateAndReopenWithCF({"pikachu1", "pikachu2"}, CurrentOptions());
  for (int i = 0; i < kNumCfs; ++i) {
    for (int j = 0; j < kEntriesPerCf; ++j) {
      Put(i, "key" + ToString(j), "val" + ToString(j));
      if (j == kEntriesPerCf - 1 && i == kNumCfs - 1) {
        // Leave one unflushed so we can verify WAL entries are properly
        // associated with column families.
        continue;
      }
      Flush(i);
    }
  }

  // Need to get path before Close() deletes db_, but delete it after Close() to
  // ensure Close() doesn't re-create the manifest.
  std::string manifest_path =
      DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
  Close();
  ASSERT_OK(env_->FileExists(manifest_path));
  ASSERT_OK(env_->DeleteFile(manifest_path));

  ASSERT_OK(RepairDB(dbname_, CurrentOptions()));

  ReopenWithColumnFamilies({"default", "pikachu1", "pikachu2"},
                           CurrentOptions());
  for (int i = 0; i < kNumCfs; ++i) {
    for (int j = 0; j < kEntriesPerCf; ++j) {
      ASSERT_EQ(Get(i, "key" + ToString(j)), "val" + ToString(j));
    }
  }
}

TEST_F(RepairTest, RepairColumnFamilyOptions) {
  // Verify repair logic uses correct ColumnFamilyOptions when repairing a
  // database with different options for column families.
  const int kNumCfs = 2;
  const int kEntriesPerCf = 2;

  Options opts(CurrentOptions()), rev_opts(CurrentOptions());
  opts.comparator = BytewiseComparator();
  rev_opts.comparator = ReverseBytewiseComparator();

  DestroyAndReopen(opts);
  CreateColumnFamilies({"reverse"}, rev_opts);
  ReopenWithColumnFamilies({"default", "reverse"},
                           std::vector<Options>{opts, rev_opts});
  for (int i = 0; i < kNumCfs; ++i) {
    for (int j = 0; j < kEntriesPerCf; ++j) {
      Put(i, "key" + ToString(j), "val" + ToString(j));
      if (i == kNumCfs - 1 && j == kEntriesPerCf - 1) {
        // Leave one unflushed so we can verify RepairDB's flush logic
        continue;
      }
      Flush(i);
    }
  }
  Close();

  // RepairDB() records the comparator in the manifest, and DB::Open would fail
  // if a different comparator were used.
  ASSERT_OK(RepairDB(dbname_, opts, {{"default", opts}, {"reverse", rev_opts}},
                     opts /* unknown_cf_opts */));
  ASSERT_OK(TryReopenWithColumnFamilies({"default", "reverse"},
                                        std::vector<Options>{opts, rev_opts}));
  for (int i = 0; i < kNumCfs; ++i) {
    for (int j = 0; j < kEntriesPerCf; ++j) {
      ASSERT_EQ(Get(i, "key" + ToString(j)), "val" + ToString(j));
    }
  }

  // Examine table properties to verify RepairDB() used the right options when
  // converting WAL->SST
  TablePropertiesCollection fname_to_props;
  db_->GetPropertiesOfAllTables(handles_[1], &fname_to_props);
  ASSERT_EQ(fname_to_props.size(), 2U);
  for (const auto& fname_and_props : fname_to_props) {
    std::string comparator_name (
      InternalKeyComparator(rev_opts.comparator).Name());
    comparator_name = comparator_name.substr(comparator_name.find(':') + 1);
    ASSERT_EQ(comparator_name,
              fname_and_props.second->comparator_name);
  }
  Close();

  // Also check comparator when it's provided via "unknown" CF options
  ASSERT_OK(RepairDB(dbname_, opts, {{"default", opts}},
                     rev_opts /* unknown_cf_opts */));
  ASSERT_OK(TryReopenWithColumnFamilies({"default", "reverse"},
                                        std::vector<Options>{opts, rev_opts}));
  for (int i = 0; i < kNumCfs; ++i) {
    for (int j = 0; j < kEntriesPerCf; ++j) {
      ASSERT_EQ(Get(i, "key" + ToString(j)), "val" + ToString(j));
    }
  }
}

TEST_F(RepairTest, DbNameContainsTrailingSlash) {
  {
    bool tmp;
    if (env_->AreFilesSame("", "", &tmp).IsNotSupported()) {
      fprintf(stderr,
              "skipping RepairTest.DbNameContainsTrailingSlash due to "
              "unsupported Env::AreFilesSame\n");
      return;
    }
  }

  Put("key", "val");
  Flush();
  Close();

  ASSERT_OK(RepairDB(dbname_ + "/", CurrentOptions()));
  Reopen(CurrentOptions());
  ASSERT_EQ(Get("key"), "val");
}
#endif  // ROCKSDB_LITE
}  // namespace rocksdb

int main(int argc, char** argv) {
  ::testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}

#else
#include <stdio.h>

int main(int /*argc*/, char** /*argv*/) {
  fprintf(stderr, "SKIPPED as RepairDB is not supported in ROCKSDB_LITE\n");
  return 0;
}

#endif  // ROCKSDB_LITE
Commit	Line	Data
7c673cae	1	// Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
11fdf7f2 TL	2	// This source code is licensed under both the GPLv2 (found in the
	3	// COPYING file in the root directory) and Apache 2.0 License
	4	// (found in the LICENSE.Apache file in the root directory).
7c673cae FG	5
	6	#ifndef ROCKSDB_LITE
	7
	8	#include <algorithm>
	9	#include <string>
	10	#include <vector>
	11
	12	#include "db/db_impl.h"
	13	#include "db/db_test_util.h"
	14	#include "rocksdb/comparator.h"
	15	#include "rocksdb/db.h"
	16	#include "rocksdb/transaction_log.h"
	17	#include "util/file_util.h"
	18	#include "util/string_util.h"
	19
	20	namespace rocksdb {
	21
	22	#ifndef ROCKSDB_LITE
	23	class RepairTest : public DBTestBase {
	24	public:
	25	RepairTest() : DBTestBase("/repair_test") {}
	26
	27	std::string GetFirstSstPath() {
	28	uint64_t manifest_size;
	29	std::vector<std::string> files;
	30	db_->GetLiveFiles(files, &manifest_size);
	31	auto sst_iter =
	32	std::find_if(files.begin(), files.end(), [](const std::string& file) {
	33	uint64_t number;
	34	FileType type;
	35	bool ok = ParseFileName(file, &number, &type);
	36	return ok && type == kTableFile;
	37	});
	38	return sst_iter == files.end() ? "" : dbname_ + *sst_iter;
	39	}
	40	};
	41
	42	TEST_F(RepairTest, LostManifest) {
	43	// Add a couple SST files, delete the manifest, and verify RepairDB() saves
	44	// the day.
	45	Put("key", "val");
	46	Flush();
	47	Put("key2", "val2");
	48	Flush();
	49	// Need to get path before Close() deletes db_, but delete it after Close() to
	50	// ensure Close() didn't change the manifest.
	51	std::string manifest_path =
	52	DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
	53
	54	Close();
	55	ASSERT_OK(env_->FileExists(manifest_path));
	56	ASSERT_OK(env_->DeleteFile(manifest_path));
	57	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	58	Reopen(CurrentOptions());
	59
	60	ASSERT_EQ(Get("key"), "val");
	61	ASSERT_EQ(Get("key2"), "val2");
	62	}
	63
	64	TEST_F(RepairTest, CorruptManifest) {
	65	// Manifest is in an invalid format. Expect a full recovery.
	66	Put("key", "val");
	67	Flush();
	68	Put("key2", "val2");
69	Flush();
70	// Need to get path before Close() deletes db_, but overwrite it after Close()
71	// to ensure Close() didn't change the manifest.
72	std::string manifest_path =
73	DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
74
75	Close();
76	ASSERT_OK(env_->FileExists(manifest_path));
11fdf7f2	77	CreateFile(env_, manifest_path, "blah", false /* use_fsync */);
7c673cae FG	78	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	79	Reopen(CurrentOptions());
	80
	81	ASSERT_EQ(Get("key"), "val");
	82	ASSERT_EQ(Get("key2"), "val2");
	83	}
	84
	85	TEST_F(RepairTest, IncompleteManifest) {
	86	// In this case, the manifest is valid but does not reference all of the SST
	87	// files. Expect a full recovery.
	88	Put("key", "val");
	89	Flush();
	90	std::string orig_manifest_path =
	91	DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
	92	CopyFile(orig_manifest_path, orig_manifest_path + ".tmp");
	93	Put("key2", "val2");
	94	Flush();
	95	// Need to get path before Close() deletes db_, but overwrite it after Close()
	96	// to ensure Close() didn't change the manifest.
	97	std::string new_manifest_path =
	98	DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
	99
	100	Close();
	101	ASSERT_OK(env_->FileExists(new_manifest_path));
	102	// Replace the manifest with one that is only aware of the first SST file.
	103	CopyFile(orig_manifest_path + ".tmp", new_manifest_path);
	104	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	105	Reopen(CurrentOptions());
	106
	107	ASSERT_EQ(Get("key"), "val");
	108	ASSERT_EQ(Get("key2"), "val2");
	109	}
	110
11fdf7f2 TL	111	TEST_F(RepairTest, PostRepairSstFileNumbering) {
	112	// Verify after a DB is repaired, new files will be assigned higher numbers
	113	// than old files.
	114	Put("key", "val");
	115	Flush();
	116	Put("key2", "val2");
	117	Flush();
	118	uint64_t pre_repair_file_num = dbfull()->TEST_Current_Next_FileNo();
	119	Close();
	120
	121	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	122
	123	Reopen(CurrentOptions());
	124	uint64_t post_repair_file_num = dbfull()->TEST_Current_Next_FileNo();
	125	ASSERT_GE(post_repair_file_num, pre_repair_file_num);
	126	}
	127
7c673cae FG	128	TEST_F(RepairTest, LostSst) {
	129	// Delete one of the SST files but preserve the manifest that refers to it,
	130	// then verify the DB is still usable for the intact SST.
	131	Put("key", "val");
	132	Flush();
	133	Put("key2", "val2");
	134	Flush();
	135	auto sst_path = GetFirstSstPath();
	136	ASSERT_FALSE(sst_path.empty());
	137	ASSERT_OK(env_->DeleteFile(sst_path));
	138
	139	Close();
	140	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	141	Reopen(CurrentOptions());
	142
	143	// Exactly one of the key-value pairs should be in the DB now.
	144	ASSERT_TRUE((Get("key") == "val") != (Get("key2") == "val2"));
	145	}
	146
	147	TEST_F(RepairTest, CorruptSst) {
	148	// Corrupt one of the SST files but preserve the manifest that refers to it,
	149	// then verify the DB is still usable for the intact SST.
	150	Put("key", "val");
	151	Flush();
	152	Put("key2", "val2");
	153	Flush();
	154	auto sst_path = GetFirstSstPath();
	155	ASSERT_FALSE(sst_path.empty());
11fdf7f2	156	CreateFile(env_, sst_path, "blah", false /* use_fsync */);
7c673cae FG	157
	158	Close();
	159	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	160	Reopen(CurrentOptions());
	161
	162	// Exactly one of the key-value pairs should be in the DB now.
	163	ASSERT_TRUE((Get("key") == "val") != (Get("key2") == "val2"));
	164	}
	165
	166	TEST_F(RepairTest, UnflushedSst) {
	167	// This test case invokes repair while some data is unflushed, then verifies
	168	// that data is in the db.
	169	Put("key", "val");
	170	VectorLogPtr wal_files;
	171	ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
	172	ASSERT_EQ(wal_files.size(), 1);
	173	uint64_t total_ssts_size;
	174	GetAllSSTFiles(&total_ssts_size);
	175	ASSERT_EQ(total_ssts_size, 0);
	176	// Need to get path before Close() deletes db_, but delete it after Close() to
	177	// ensure Close() didn't change the manifest.
	178	std::string manifest_path =
	179	DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
	180
	181	Close();
	182	ASSERT_OK(env_->FileExists(manifest_path));
	183	ASSERT_OK(env_->DeleteFile(manifest_path));
	184	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	185	Reopen(CurrentOptions());
	186
	187	ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
	188	ASSERT_EQ(wal_files.size(), 0);
	189	GetAllSSTFiles(&total_ssts_size);
	190	ASSERT_GT(total_ssts_size, 0);
	191	ASSERT_EQ(Get("key"), "val");
	192	}
	193
11fdf7f2 TL	194	TEST_F(RepairTest, SeparateWalDir) {
	195	do {
	196	Options options = CurrentOptions();
	197	DestroyAndReopen(options);
	198	Put("key", "val");
	199	Put("foo", "bar");
	200	VectorLogPtr wal_files;
	201	ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
	202	ASSERT_EQ(wal_files.size(), 1);
	203	uint64_t total_ssts_size;
	204	GetAllSSTFiles(&total_ssts_size);
	205	ASSERT_EQ(total_ssts_size, 0);
	206	std::string manifest_path =
	207	DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
	208
	209	Close();
	210	ASSERT_OK(env_->FileExists(manifest_path));
	211	ASSERT_OK(env_->DeleteFile(manifest_path));
	212	ASSERT_OK(RepairDB(dbname_, options));
	213
	214	// make sure that all WALs are converted to SSTables.
	215	options.wal_dir = "";
	216
	217	Reopen(options);
	218	ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
	219	ASSERT_EQ(wal_files.size(), 0);
	220	GetAllSSTFiles(&total_ssts_size);
	221	ASSERT_GT(total_ssts_size, 0);
	222	ASSERT_EQ(Get("key"), "val");
	223	ASSERT_EQ(Get("foo"), "bar");
	224
	225	} while(ChangeWalOptions());
	226	}
	227
7c673cae FG	228	TEST_F(RepairTest, RepairMultipleColumnFamilies) {
	229	// Verify repair logic associates SST files with their original column
	230	// families.
	231	const int kNumCfs = 3;
	232	const int kEntriesPerCf = 2;
	233	DestroyAndReopen(CurrentOptions());
	234	CreateAndReopenWithCF({"pikachu1", "pikachu2"}, CurrentOptions());
	235	for (int i = 0; i < kNumCfs; ++i) {
	236	for (int j = 0; j < kEntriesPerCf; ++j) {
	237	Put(i, "key" + ToString(j), "val" + ToString(j));
	238	if (j == kEntriesPerCf - 1 && i == kNumCfs - 1) {
	239	// Leave one unflushed so we can verify WAL entries are properly
	240	// associated with column families.
	241	continue;
	242	}
	243	Flush(i);
	244	}
	245	}
	246
	247	// Need to get path before Close() deletes db_, but delete it after Close() to
	248	// ensure Close() doesn't re-create the manifest.
	249	std::string manifest_path =
	250	DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
	251	Close();
	252	ASSERT_OK(env_->FileExists(manifest_path));
	253	ASSERT_OK(env_->DeleteFile(manifest_path));
	254
	255	ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
	256
	257	ReopenWithColumnFamilies({"default", "pikachu1", "pikachu2"},
	258	CurrentOptions());
	259	for (int i = 0; i < kNumCfs; ++i) {
	260	for (int j = 0; j < kEntriesPerCf; ++j) {
	261	ASSERT_EQ(Get(i, "key" + ToString(j)), "val" + ToString(j));
	262	}
	263	}
	264	}
	265
	266	TEST_F(RepairTest, RepairColumnFamilyOptions) {
	267	// Verify repair logic uses correct ColumnFamilyOptions when repairing a
	268	// database with different options for column families.
	269	const int kNumCfs = 2;
	270	const int kEntriesPerCf = 2;
	271
	272	Options opts(CurrentOptions()), rev_opts(CurrentOptions());
	273	opts.comparator = BytewiseComparator();
	274	rev_opts.comparator = ReverseBytewiseComparator();
	275
	276	DestroyAndReopen(opts);
	277	CreateColumnFamilies({"reverse"}, rev_opts);
	278	ReopenWithColumnFamilies({"default", "reverse"},
	279	std::vector<Options>{opts, rev_opts});
	280	for (int i = 0; i < kNumCfs; ++i) {
	281	for (int j = 0; j < kEntriesPerCf; ++j) {
	282	Put(i, "key" + ToString(j), "val" + ToString(j));
	283	if (i == kNumCfs - 1 && j == kEntriesPerCf - 1) {
	284	// Leave one unflushed so we can verify RepairDB's flush logic
	285	continue;
	286	}
	287	Flush(i);
	288	}
	289	}
	290	Close();
	291
292	// RepairDB() records the comparator in the manifest, and DB::Open would fail
293	// if a different comparator were used.
294	ASSERT_OK(RepairDB(dbname_, opts, {{"default", opts}, {"reverse", rev_opts}},
295	opts /* unknown_cf_opts */));
296	ASSERT_OK(TryReopenWithColumnFamilies({"default", "reverse"},
297	std::vector<Options>{opts, rev_opts}));
298	for (int i = 0; i < kNumCfs; ++i) {
299	for (int j = 0; j < kEntriesPerCf; ++j) {
300	ASSERT_EQ(Get(i, "key" + ToString(j)), "val" + ToString(j));
301	}
302	}
303
304	// Examine table properties to verify RepairDB() used the right options when
305	// converting WAL->SST
306	TablePropertiesCollection fname_to_props;
307	db_->GetPropertiesOfAllTables(handles_[1], &fname_to_props);
308	ASSERT_EQ(fname_to_props.size(), 2U);
309	for (const auto& fname_and_props : fname_to_props) {
310	std::string comparator_name (
311	InternalKeyComparator(rev_opts.comparator).Name());
312	comparator_name = comparator_name.substr(comparator_name.find(':') + 1);
313	ASSERT_EQ(comparator_name,
314	fname_and_props.second->comparator_name);
315	}
494da23a	316	Close();
7c673cae FG	317
	318	// Also check comparator when it's provided via "unknown" CF options
	319	ASSERT_OK(RepairDB(dbname_, opts, {{"default", opts}},
	320	rev_opts /* unknown_cf_opts */));
	321	ASSERT_OK(TryReopenWithColumnFamilies({"default", "reverse"},
	322	std::vector<Options>{opts, rev_opts}));
	323	for (int i = 0; i < kNumCfs; ++i) {
	324	for (int j = 0; j < kEntriesPerCf; ++j) {
	325	ASSERT_EQ(Get(i, "key" + ToString(j)), "val" + ToString(j));
	326	}
	327	}
	328	}
	329
11fdf7f2 TL	330	TEST_F(RepairTest, DbNameContainsTrailingSlash) {
	331	{
	332	bool tmp;
	333	if (env_->AreFilesSame("", "", &tmp).IsNotSupported()) {
	334	fprintf(stderr,
	335	"skipping RepairTest.DbNameContainsTrailingSlash due to "
	336	"unsupported Env::AreFilesSame\n");
	337	return;
	338	}
	339	}
	340
	341	Put("key", "val");
	342	Flush();
	343	Close();
	344
	345	ASSERT_OK(RepairDB(dbname_ + "/", CurrentOptions()));
	346	Reopen(CurrentOptions());
	347	ASSERT_EQ(Get("key"), "val");
	348	}
7c673cae FG	349	#endif // ROCKSDB_LITE
	350	} // namespace rocksdb
	351
	352	int main(int argc, char** argv) {
	353	::testing::InitGoogleTest(&argc, argv);
	354	return RUN_ALL_TESTS();
	355	}
	356
	357	#else
	358	#include <stdio.h>
	359
11fdf7f2	360	int main(int /argc/, char** /argv/) {
7c673cae FG	361	fprintf(stderr, "SKIPPED as RepairDB is not supported in ROCKSDB_LITE\n");
	362	return 0;
	363	}
	364
	365	#endif // ROCKSDB_LITE