add sstfilewriter_delete_range (#10314)

Summary:
I add C API
db/c.cc
rocksdb_sstfilewriter_delete_range

and test it , PASS.
 can you review it ? ajkr

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10314

Reviewed By: riversand963

Differential Revision: D37657236

Pulled By: ajkr

fbshipit-source-id: c3b758daa36fbd9133210b011716914dff311278

db/c.cc

@@ -4899,6 +4899,15 @@ void rocksdb_sstfilewriter_delete_with_ts(rocksdb_sstfilewriter_t* writer,
   SaveError(errptr, writer->rep->Delete(Slice(key, keylen), Slice(ts, tslen)));
 }
 
+void rocksdb_sstfilewriter_delete_range(rocksdb_sstfilewriter_t* writer,
+                                        const char* begin_key,
+                                        size_t begin_keylen,
+                                        const char* end_key, size_t end_keylen,
+                                        char** errptr) {
+  SaveError(errptr, writer->rep->DeleteRange(Slice(begin_key, begin_keylen),
+                                             Slice(end_key, end_keylen)));
+}
+
 void rocksdb_sstfilewriter_finish(rocksdb_sstfilewriter_t* writer,
                                   char** errptr) {
   SaveError(errptr, writer->rep->Finish(nullptr));

db/c_test.c

@@ -905,6 +905,21 @@ int main(int argc, char** argv) {
     CheckGet(db, roptions, "sstk22", "v5");
     CheckGet(db, roptions, "sstk3", "v6");
 
+    rocksdb_sstfilewriter_open(writer, sstfilename, &err);
+    CheckNoError(err);
+    rocksdb_sstfilewriter_put(writer, "abc1", 4, "v7", 2, &err);
+    CheckNoError(err);
+    rocksdb_sstfilewriter_put(writer, "abc2", 4, "v8", 2, &err);
+    CheckNoError(err);
+    rocksdb_sstfilewriter_put(writer, "abc3", 4, "v9", 2, &err);
+    CheckNoError(err);
+    rocksdb_sstfilewriter_put(writer, "abc4", 4, "v10", 3, &err);
+    CheckNoError(err);
+    rocksdb_sstfilewriter_delete_range(writer, "abc1", 4, "abc4", 4, &err);
+    CheckNoError(err);
+    rocksdb_sstfilewriter_finish(writer, &err);
+    CheckNoError(err);
+
     rocksdb_ingestexternalfileoptions_destroy(ing_opt);
     rocksdb_sstfilewriter_destroy(writer);
     rocksdb_options_destroy(io_options);

include/rocksdb/c.h

@@ -2061,13 +2061,15 @@ extern ROCKSDB_LIBRARY_API void rocksdb_sstfilewriter_delete(
 extern ROCKSDB_LIBRARY_API void rocksdb_sstfilewriter_delete_with_ts(
     rocksdb_sstfilewriter_t* writer, const char* key, size_t keylen,
     const char* ts, size_t tslen, char** errptr);
+extern ROCKSDB_LIBRARY_API void rocksdb_sstfilewriter_delete_range(
+    rocksdb_sstfilewriter_t* writer, const char* begin_key, size_t begin_keylen,
+    const char* end_key, size_t end_keylen, char** errptr);
 extern ROCKSDB_LIBRARY_API void rocksdb_sstfilewriter_finish(
     rocksdb_sstfilewriter_t* writer, char** errptr);
 extern ROCKSDB_LIBRARY_API void rocksdb_sstfilewriter_file_size(
     rocksdb_sstfilewriter_t* writer, uint64_t* file_size);
 extern ROCKSDB_LIBRARY_API void rocksdb_sstfilewriter_destroy(
     rocksdb_sstfilewriter_t* writer);
-
 extern ROCKSDB_LIBRARY_API rocksdb_ingestexternalfileoptions_t*
 rocksdb_ingestexternalfileoptions_create(void);
 extern ROCKSDB_LIBRARY_API void