mirrors/scylladb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sstables: drop unused data_stream_at()

Browse Source 
Signed-off-by: Paweł Dziepak <pdziepak@scylladb.com>
This commit is contained in:
Paweł Dziepak
2016-07-04 14:04:42 +01:00
parent 2cdf498bbd
commit 4acf77d755
2 changed files with 0 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
sstables/sstables.cc
View File

@@ -1808,22 +1808,6 @@ sstable::component_type sstable::component_from_sstring(sstring &s) {
return reverse_map(s, _component_map);
}
// NOTE: Prefer using data_stream() if you know the byte position at which the
// read will stop. Knowing the end allows data_stream() to use a large a read-
// ahead buffer before reaching the end, but not over-read at the end, so
// data_stream() is more efficient than data_stream_at().
input_stream<char> sstable::data_stream_at(uint64_t pos, uint64_t buf_size, const io_priority_class& pc) {
file_input_stream_options options;
options.buffer_size = buf_size;
options.io_priority_class = pc;
if (_compression) {
return make_compressed_file_input_stream(_data_file, &_compression,
pos, _compression.data_len - pos, std::move(options));
} else {
return make_file_input_stream(_data_file, pos, std::move(options));
}
}
input_stream<char> sstable::data_stream(uint64_t pos, size_t len, const io_priority_class& pc) {
file_input_stream_options options;
options.buffer_size = sstable_buffer_size;

2
sstables/sstables.hh
View File

@@ -422,8 +422,6 @@ private:
future<index_list> read_indexes(uint64_t summary_idx, const io_priority_class& pc);
input_stream<char> data_stream_at(uint64_t pos, uint64_t buf_size, const io_priority_class& pc);
// Return an input_stream which reads exactly the specified byte range
// from the data file (after uncompression, if the file is compressed).
// Unlike data_read() below, this method does not read the entire byte