Revert previously removed deprecated fields for collection properties (#714)

Author: jwierzbo

v2/arangodb/collection_opts.go

@@ -124,9 +124,34 @@ type CollectionExtendedInfo struct {
 type CollectionProperties struct {
 	CollectionExtendedInfo
 
+	// The number of buckets into which indexes using a hash table are split. The default is 16 and this number has to be a power
+	// of 2 and less than or equal to 1024. For very large collections one should increase this to avoid long pauses when the hash
+	// table has to be initially built or resized, since buckets are resized individually and can be initially built in parallel.
+	// For example, 64 might be a sensible value for a collection with 100 000 000 documents.
+	// Currently, only the edge index respects this value, but other index types might follow in future ArangoDB versions.
+	// Changes are applied when the collection is loaded the next time.
+	//
+	// Deprecated: since 3.7 version. It is related only to MMFiles.
+	IndexBuckets int `json:"indexBuckets,omitempty"`
+
+	// DoCompact specifies whether or not the collection will be compacted.
+	//
+	// Deprecated: since 3.7 version. It is related only to MMFiles.
+	DoCompact bool `json:"doCompact,omitempty"`
+
 	// JournalSize is the maximal size setting for journals / datafiles in bytes.
 	JournalSize int64 `json:"journalSize,omitempty"`
 
+	// If true then the collection data is kept in-memory only and not made persistent.
+	// Unloading the collection will cause the collection data to be discarded. Stopping or re-starting the server will also
+	// cause full loss of data in the collection. Setting this option will make the resulting collection be slightly faster
+	// than regular collections because ArangoDB does not enforce any synchronization to disk and does not calculate any
+	// CRC checksums for datafiles (as there are no datafiles). This option should therefore be used for cache-type collections only,
+	// and not for data that cannot be re-created otherwise. (The default is false)
+	//
+	// Deprecated: since 3.7 version. It is related only to MMFiles.
+	IsVolatile bool `json:"isVolatile,omitempty"`
+
 	// SmartJoinAttribute
 	// See documentation for SmartJoins.
 	// This requires ArangoDB Enterprise Edition.