addresses #686

remove some comments about position() and rnd_pos() that may have been
inaccurate. Will put in comments once functions are better understood

git-svn-id: file:///svn/mysql/tokudb-engine/src@3650 c7de825b-a66e-492c-adef-691d508d4ae1

storage/tokudb/ha_tokudb.cc

@@ -2415,14 +2415,6 @@ DBT *ha_tokudb::get_pos(DBT * to, uchar * pos) {
 
 //
 // Retrieves a row with based on the primary key saved in pos
-// rnd_pos(), along ha_tokudb::with position(), is used for non-sequential queries.
-// the format of pos is such that position() saves a primary key in the format,
-// and rnd_pos extracts the primary key in that format
-// After extracting the primery key, rnd_pos proceeds to do a query
-// Parameters:
-//      [out]   buf - buffer for the row
-//      [in]    pos - primary key value of the row, this buffer is created
-//                      in ha_tokudb::position()
 // Returns:
 //      0 on success
 //      HA_ERR_KEY_NOT_FOUND if not found
@@ -2457,15 +2449,6 @@ int ha_tokudb::rnd_pos(uchar * buf, uchar * pos) {
   RETURN
   nothing
 */
-
-//
-// Saves the primary key in a format that will be interpreted by rnd_pos()
-// rnd_pos(), along ha_tokudb::with position(), is used for non-sequential queries.
-// the format of pos is such that position() saves a primary key in the format,
-// and rnd_pos extracts the primary key in that format
-// Parameters:
-//      [out]   record - buffer storing the primary key
-//
 void ha_tokudb::position(const uchar * record) {
     TOKUDB_DBUG_ENTER("ha_tokudb::position");
     DBT key;