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Add WAL flush API to C client (#8226)

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Summary:
The C client is missing the`manual_wal_flush` option and the `flush_wal` API.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8226

Reviewed By: ajkr

Differential Revision: D28000869

Pulled By: jay-zhuang

fbshipit-source-id: ed44937e7e7e75bc0dfa870a14147fbeef0c38f8
This commit is contained in:
Duarte Nunes 2021-04-27 14:55:34 -07:00 committed by Facebook GitHub Bot
parent 65abb0cf71
commit 3949731de3
3 changed files with 27 additions and 0 deletions
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13
db/c.cc
View file

@ -1512,6 +1512,10 @@ void rocksdb_flush_cf(
SaveError(errptr, db->rep->Flush(options->rep, column_family->rep));
}
void rocksdb_flush_wal(rocksdb_t* db, unsigned char sync, char** errptr) {
SaveError(errptr, db->rep->FlushWAL(sync));
}
void rocksdb_disable_file_deletions(
rocksdb_t* db,
char** errptr) {
@ -3479,6 +3483,15 @@ unsigned char rocksdb_options_get_atomic_flush(rocksdb_options_t* opt) {
return opt->rep.atomic_flush;
}
void rocksdb_options_set_manual_wal_flush(rocksdb_options_t* opt,
unsigned char manual_wal_flush) {
opt->rep.manual_wal_flush = manual_wal_flush;
}
unsigned char rocksdb_options_get_manual_wal_flush(rocksdb_options_t* opt) {
return opt->rep.manual_wal_flush;
}
rocksdb_ratelimiter_t* rocksdb_ratelimiter_create(
int64_t rate_bytes_per_sec,
int64_t refill_period_us,

6
db/c_test.c
View file

@ -1279,6 +1279,9 @@ int main(int argc, char** argv) {
CheckPinGetCF(db, roptions, handles[1], "box", "c");
rocksdb_writebatch_destroy(wb);
rocksdb_flush_wal(db, 1, &err);
CheckNoError(err);
const char* keys[3] = { "box", "box", "barfooxx" };
const rocksdb_column_family_handle_t* get_handles[3] = { handles[0], handles[1], handles[1] };
const size_t keys_sizes[3] = { 3, 3, 8 };
@ -1762,6 +1765,9 @@ int main(int argc, char** argv) {
rocksdb_options_set_atomic_flush(o, 1);
CheckCondition(1 == rocksdb_options_get_atomic_flush(o));
rocksdb_options_set_manual_wal_flush(o, 1);
CheckCondition(1 == rocksdb_options_get_manual_wal_flush(o));
/* Blob Options */
rocksdb_options_set_enable_blob_files(o, 1);
CheckCondition(1 == rocksdb_options_get_enable_blob_files(o));

8
include/rocksdb/c.h
View file

@ -539,6 +539,10 @@ extern ROCKSDB_LIBRARY_API void rocksdb_flush_cf(
rocksdb_t* db, const rocksdb_flushoptions_t* options,
rocksdb_column_family_handle_t* column_family, char** errptr);
extern ROCKSDB_LIBRARY_API void rocksdb_flush_wal(rocksdb_t* db,
unsigned char sync,
char** errptr);
extern ROCKSDB_LIBRARY_API void rocksdb_disable_file_deletions(rocksdb_t* db,
char** errptr);
@ -1417,6 +1421,10 @@ extern ROCKSDB_LIBRARY_API void rocksdb_options_set_row_cache(
extern ROCKSDB_LIBRARY_API void
rocksdb_options_add_compact_on_deletion_collector_factory(
rocksdb_options_t*, size_t window_size, size_t num_dels_trigger);
extern ROCKSDB_LIBRARY_API void rocksdb_options_set_manual_wal_flush(
rocksdb_options_t* opt, unsigned char);
extern ROCKSDB_LIBRARY_API unsigned char rocksdb_options_get_manual_wal_flush(
rocksdb_options_t* opt);
/* RateLimiter */
extern ROCKSDB_LIBRARY_API rocksdb_ratelimiter_t* rocksdb_ratelimiter_create(