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[C-API] added "rocksdb_options_set_plain_table_factory" to make it possible to use plain table factory

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This commit is contained in:
Thomas Adam 2014-04-03 08:59:01 +02:00
parent 48bc0c6ad3
commit 3a30b5b0be
3 changed files with 15 additions and 0 deletions
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13
db/c.cc
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@ -25,6 +25,7 @@
#include "rocksdb/universal_compaction.h" #include "rocksdb/universal_compaction.h"
#include "rocksdb/statistics.h" #include "rocksdb/statistics.h"
#include "rocksdb/slice_transform.h" #include "rocksdb/slice_transform.h"
#include "rocksdb/table.h"
using rocksdb::Cache; using rocksdb::Cache;
using rocksdb::Comparator; using rocksdb::Comparator;
@ -1003,6 +1004,18 @@ void rocksdb_options_set_hash_link_list_rep(
opt->rep.memtable_factory.reset(factory); opt->rep.memtable_factory.reset(factory);
} }
void rocksdb_options_set_plain_table_factory(
rocksdb_options_t *opt, uint32_t user_key_len, int bloom_bits_per_key,
double hash_table_ratio, size_t index_sparseness) {
static rocksdb::TableFactory* factory = 0;
if (!factory) {
factory = rocksdb::NewPlainTableFactory(
user_key_len, bloom_bits_per_key,
hash_table_ratio, index_sparseness);
}
opt->rep.table_factory.reset(factory);
}
void rocksdb_options_set_max_successive_merges( void rocksdb_options_set_max_successive_merges(
rocksdb_options_t* opt, size_t v) { rocksdb_options_t* opt, size_t v) {
opt->rep.max_successive_merges = v; opt->rep.max_successive_merges = v;

1
db/c_test.c
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@ -443,6 +443,7 @@ int main(int argc, char** argv) {
rocksdb_options_set_filter_policy(options, policy); rocksdb_options_set_filter_policy(options, policy);
rocksdb_options_set_prefix_extractor(options, rocksdb_slicetransform_create_fixed_prefix(3)); rocksdb_options_set_prefix_extractor(options, rocksdb_slicetransform_create_fixed_prefix(3));
rocksdb_options_set_hash_skip_list_rep(options, 50000, 4, 4); rocksdb_options_set_hash_skip_list_rep(options, 50000, 4, 4);
rocksdb_options_set_plain_table_factory(options, 4, 10, 0.75, 16);
db = rocksdb_open(options, dbname, &err); db = rocksdb_open(options, dbname, &err);
CheckNoError(err); CheckNoError(err);

1
include/rocksdb/c.h
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@ -348,6 +348,7 @@ extern void rocksdb_options_prepare_for_bulk_load(rocksdb_options_t*);
extern void rocksdb_options_set_memtable_vector_rep(rocksdb_options_t*); extern void rocksdb_options_set_memtable_vector_rep(rocksdb_options_t*);
extern void rocksdb_options_set_hash_skip_list_rep(rocksdb_options_t*, size_t, int32_t, int32_t); extern void rocksdb_options_set_hash_skip_list_rep(rocksdb_options_t*, size_t, int32_t, int32_t);
extern void rocksdb_options_set_hash_link_list_rep(rocksdb_options_t*, size_t); extern void rocksdb_options_set_hash_link_list_rep(rocksdb_options_t*, size_t);
extern void rocksdb_options_set_plain_table_factory(rocksdb_options_t*, uint32_t, int, double, size_t);
extern void rocksdb_options_set_max_bytes_for_level_base(rocksdb_options_t* opt, uint64_t n); extern void rocksdb_options_set_max_bytes_for_level_base(rocksdb_options_t* opt, uint64_t n);
extern void rocksdb_options_set_stats_dump_period_sec(rocksdb_options_t* opt, unsigned int sec); extern void rocksdb_options_set_stats_dump_period_sec(rocksdb_options_t* opt, unsigned int sec);