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Add missing DataBlock-releated functions to the C-API (#6101) 

Summary:
Adds two missing functions to the C-API:

- `rocksdb_block_based_options_set_data_block_index_type`
- `rocksdb_block_based_options_set_data_block_hash_ratio`

This enables users in other languages to enjoy the new(-ish) feature.

The changes here are partially overlapping with [another PR](https://github.com/facebook/rocksdb/pull/5630) but are more focused on the DataBlock indexing options.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6101

Differential Revision: D18765639

fbshipit-source-id: 4a8947e71b179f26fa1eb83c267dd47ee64ac3b3
This commit is contained in:
David Palm 2019-12-02 10:58:14 -08:00 committed by Facebook Github Bot
parent e8f997ca59
commit 048472f620
3 changed files with 22 additions and 0 deletions
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11
db/c.cc
View File

@ -2032,6 +2032,17 @@ void rocksdb_block_based_options_set_index_type(
options->rep.index_type = static_cast<BlockBasedTableOptions::IndexType>(v);
}
void rocksdb_block_based_options_set_data_block_index_type(
rocksdb_block_based_table_options_t* options, int v) {
options->rep.data_block_index_type =
static_cast<BlockBasedTableOptions::DataBlockIndexType>(v);
}
void rocksdb_block_based_options_set_data_block_hash_ratio(
rocksdb_block_based_table_options_t* options, double v) {
options->rep.data_block_hash_table_util_ratio = v;
}
void rocksdb_block_based_options_set_hash_index_allow_collision(
rocksdb_block_based_table_options_t* options, unsigned char v) {
options->rep.hash_index_allow_collision = v;

3
db/c_test.c
View File

@ -487,8 +487,11 @@ int main(int argc, char** argv) {
rocksdb_options_set_paranoid_checks(options, 1);
rocksdb_options_set_max_open_files(options, 10);
rocksdb_options_set_base_background_compactions(options, 1);
table_options = rocksdb_block_based_options_create();
rocksdb_block_based_options_set_block_cache(table_options, cache);
rocksdb_block_based_options_set_data_block_index_type(table_options, 1);
rocksdb_block_based_options_set_data_block_hash_ratio(table_options, 0.75);
rocksdb_options_set_block_based_table_factory(options, table_options);
rocksdb_options_set_compression(options, rocksdb_no_compression);

8
include/rocksdb/c.h
View File

@ -706,6 +706,14 @@ enum {
};
extern ROCKSDB_LIBRARY_API void rocksdb_block_based_options_set_index_type(
rocksdb_block_based_table_options_t*, int); // uses one of the above enums
enum {
rocksdb_block_based_table_data_block_index_type_binary_search = 0,
rocksdb_block_based_table_data_block_index_type_binary_search_and_hash = 1,
};
extern ROCKSDB_LIBRARY_API void rocksdb_block_based_options_set_data_block_index_type(
rocksdb_block_based_table_options_t*, int); // uses one of the above enums
extern ROCKSDB_LIBRARY_API void rocksdb_block_based_options_set_data_block_hash_ratio(
rocksdb_block_based_table_options_t* options, double v);
extern ROCKSDB_LIBRARY_API void
rocksdb_block_based_options_set_hash_index_allow_collision(
rocksdb_block_based_table_options_t*, unsigned char);