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Revision 36fa49ceb5ebf3e6232933c0f13c1551639f6411 authored by Daniel Black on 29 June 2018, 18:42:08 UTC, committed by Facebook Github Bot on 29 June 2018, 18:43:36 UTC 
transaction_test: -Wunused-variable with clang-7 (#4074)
 
Summary:
clang version 7.0.0- (trunk)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin

clang++-7  -DROCKSDB_USE_RTTI -g -W -Wextra -Wall -Wsign-compare -Wshadow -Wno-unused-parameter -Werror -I. -I./include -std=c++11  -DROCKSDB_PLATFORM_POSIX -DROCKSDB_LIB_IO_POSIX  -DOS_LINUX -fno-builtin-memcmp -DROCKSDB_FALLOCATE_PRESENT -DSNAPPY -DGFLAGS=google -DZLIB -DBZIP2 -DROCKSDB_MALLOC_USABLE_SIZE -DROCKSDB_PTHREAD_ADAPTIVE_MUTEX -DROCKSDB_BACKTRACE -DROCKSDB_RANGESYNC_PRESENT -DROCKSDB_SCHED_GETCPU_PRESENT -Wshorten-64-to-32 -march=native  -DHAVE_SSE42 -DROCKSDB_SUPPORT_THREAD_LOCAL  -isystem ./third-party/gtest-1.7.0/fused-src -DTRAVIS -O2 -fno-omit-frame-pointer -momit-leaf-frame-pointer -Woverloaded-virtual -Wnon-virtual-dtor -Wno-missing-field-initializers -c utilities/transactions/transaction_test.cc -o utilities/transactions/transaction_test.o
utilities/transactions/transaction_test.cc:2282:22: error: unused variable 'txn_options' [-Werror,-Wunused-variable]
  TransactionOptions txn_options;
                     ^
utilities/transactions/transaction_test.cc:2822:22: error: unused variable 'txn_options' [-Werror,-Wunused-variable]
  TransactionOptions txn_options;
                     ^
utilities/transactions/transaction_test.cc:2928:22: error: unused variable 'txn_options' [-Werror,-Wunused-variable]
  TransactionOptions txn_options;
                     ^
utilities/transactions/transaction_test.cc:3109:22: error: unused variable 'txn_options' [-Werror,-Wunused-variable]
  TransactionOptions txn_options;
                     ^
utilities/transactions/transaction_test.cc:4364:22: error: unused variable 'txn_options' [-Werror,-Wunused-variable]
  TransactionOptions txn_options;
                     ^
Closes https://github.com/facebook/rocksdb/pull/4074

Differential Revision: D8698051

Pulled By: ajkr

fbshipit-source-id: 6255618eefdd189962fbea1b02cf1eb5ae501274
1 parent 2462763
Raw File
DUMP_FORMAT.md 
## RocksDB dump format

The version 1 RocksDB dump format is fairly simple:

1) The dump starts with the magic 8 byte identifier "ROCKDUMP"

2) The magic is followed by an 8 byte big-endian version which is 0x00000001.

3) Next are arbitrarily sized chunks of bytes prepended by 4 byte little endian number indicating how large each chunk is.

4) The first chunk is special and is a json string indicating some things about the creation of this dump.  It contains the following keys:
* database-path: The path of the database this dump was created from.
* hostname: The hostname of the machine where the dump was created.
* creation-time: Unix seconds since epoc when this dump was created.

5) Following the info dump the slices paired into are key/value pairs.
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