Add types.pxd to make types available to all modules

rocksdb/db.pxd

@@ -7,6 +7,7 @@ from libcpp.vector cimport vector
 from libcpp.map cimport map
 from libcpp.unordered_map cimport unordered_map
 from libcpp.memory cimport shared_ptr
+from .types cimport SequenceNumber
 from .slice_ cimport Slice
 from .snapshot cimport Snapshot
 from .iterator cimport Iterator
@@ -46,7 +47,6 @@ cdef extern from "cpp/write_batch_iter_helper.hpp" namespace "py_rocks":
 
 
 cdef extern from "rocksdb/db.h" namespace "rocksdb":
-    ctypedef uint64_t SequenceNumber
     string kDefaultColumnFamilyName
 
     # todo TableProperties

rocksdb/metadata.pxd

@@ -2,13 +2,9 @@ from libcpp cimport bool as cpp_bool
 from libcpp.string cimport string
 from libcpp.vector cimport vector
 from libc.stdint cimport uint64_t
-from libc.stdint cimport uint32_t
 from libc.stdint cimport int64_t
-from libc.stdint cimport int32_t
 from .logger cimport Logger
-from .slice_ cimport Slice
-from .snapshot cimport Snapshot
-from .db cimport SequenceNumber
+from .types cimport SequenceNumber
 
 cdef extern from "rocksdb/metadata.h" namespace "rocksdb":
     cdef cppclass ColumnFamilyMetaData:

rocksdb/options.pxd

@@ -19,7 +19,7 @@ from . cimport advanced_options
 from .advanced_options cimport CompressionOptions
 from .advanced_options cimport AdvancedColumnFamilyOptions
 from .env cimport Env
-from .db cimport SequenceNumber
+from .types cimport SequenceNumber
 
 cdef extern from "rocksdb/options.h" namespace "rocksdb":
     ctypedef enum CompressionType:

rocksdb/types.pxd

@@ -0,0 +1,28 @@
+from libc.stdint cimport uint64_t, uint32_t
+from .slice_ cimport Slice
+from libcpp.string cimport string
+from libcpp cimport bool as cpp_bool
+
+cdef extern from "rocksdb/types.h" namespace "rocksdb":
+    ctypedef uint64_t SequenceNumber
+
+    cdef enum EntryType:
+        kEntryPut
+        kEntryDelete
+        kEntrySingleDelete
+        kEntryMerge
+        kEntryRangeDeletion
+        kEntryBlobIndex
+        kEntryOther
+
+    cdef cppclass FullKey:
+        Slice user_key
+        SequenceNumber sequence
+        EntryType type
+
+        FullKey() except+
+        FullKey(const Slice&, const SequenceNumber&, EntryType) except+
+        string DebugString(cpp_bool hex) nogil except+
+        void clear() nogil except+
+
+    cpp_bool ParseFullKey(const Slice&, FullKey*)