Originally from rocksdb/utilities/ldb_cmd.h

Return 0 for error

End the processing, print the requested results

Inform the index builder that all entries has been written. Block builder may therefore perform any operation required for block finalization. REQUIR

Returns the name of the environment variable corresponding to the given flag. For example, FlagToEnvVar("foo") will return "GTEST_FOO" in the open-so

Formats the given time in milliseconds as seconds.

Formats the given time in milliseconds as seconds.

return the block contents

Removes . and .. from directory listing

Safely getting a uint32_t element from a char array, where, starting from `base`, every 4 bytes are considered as an fixed 32 bit integer.

copy & modify from block_based_table_reader.cc

Returns the status of the previous Insert operation

Returns the prefix of 'str' before the first comma in it; returns the entire string if it contains no comma.

Returns the test part result reporter for the current thread.

Returns the type ID of ::testing::Test. We should always call this instead of GetTypeId< ::testing::Test>() to get the type ID of testing::Test. Thi

Sample output: If compacting 3 L0 files, 2 L3 files and 1 L4 file, and outputting to L5, print: "3@0 + 2@3 + 1@4 files to L5"

Commit a successful atomic flush in the manifest file.

Reads and returns a 32-bit integer stored in the environment variable corresponding to the given flag; if it isn't set or doesn't represent a valid 32