add set_cache_index_and_filter_blocks

librocksdb_sys/src/lib.rs

@@ -17,7 +17,7 @@ extern crate libc;
 #[cfg(test)]
 extern crate tempdir;
 
-use libc::{c_char, c_int, c_void, size_t, uint64_t};
+use libc::{c_char, c_uchar, c_int, c_void, size_t, uint64_t};
 use std::ffi::CStr;
 use std::str::from_utf8;
 
@@ -124,6 +124,8 @@ extern "C" {
     pub fn rocksdb_block_based_options_set_block_restart_interval(
         block_options: DBBlockBasedTableOptions,
         block_restart_interval: c_int);
+    pub fn rocksdb_block_based_options_set_cache_index_and_filter_blocks(
+        block_options: DBBlockBasedTableOptions, v: c_uchar);
     pub fn rocksdb_block_based_options_set_filter_policy(
         block_options: DBBlockBasedTableOptions,
         filter_policy: DBFilterPolicy);

src/rocksdb_options.rs

@@ -121,6 +121,13 @@ impl BlockBasedOptions {
                                                                        filter.inner);
         }
     }
+
+    pub fn set_cache_index_and_filter_blocks(&mut self, v: bool) {
+        unsafe {
+            rocksdb_ffi::rocksdb_block_based_options_set_cache_index_and_filter_blocks(self.inner,
+                                                                                       v as u8);
+        }
+    }
 }
 
 // TODO figure out how to create these in a Rusty way