Formailized the row buffer structure, implemented new streaming format.

mysql-test/r/archive.result

-drop table if exists t1,t2,t3;
+drop table if exists t1,t2,t3,t4,t5;
 CREATE TABLE t1 (
 Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,
 Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL

mysql-test/t/archive.test

@@ -6,7 +6,7 @@
 -- source include/have_binlog_format_mixed_or_statement.inc
 
 --disable_warnings
-drop table if exists t1,t2,t3;
+drop table if exists t1,t2,t3,t4,t5;
 --enable_warnings
 
 CREATE TABLE t1 (

storage/archive/ha_archive.h

@@ -27,6 +27,12 @@
   ha_example.h.
 */
 
+typedef struct st_archive_record_buffer {
+  byte *buffer;
+  int length;
+} archive_record_buffer;
+
+
 typedef struct st_archive_share {
   char *table_name;
   char data_file_name[FN_REFLEN];
@@ -43,18 +49,23 @@ typedef struct st_archive_share {
   ulonglong forced_flushes;
   ulonglong mean_rec_length;
   char real_path[FN_REFLEN];
+  uint meta_version;
+  uint data_version;
 } ARCHIVE_SHARE;
 
 /*
   Version for file format.
-  1 - Initial Version
+  1 - Initial Version (Never Released)
+  2 - Stream Compression, seperate blobs, no packing
+  3 - One steam (row and blobs), with packing
 */
-#define ARCHIVE_VERSION 2
+#define ARCHIVE_VERSION 3
 
 class ha_archive: public handler
 {
   THR_LOCK_DATA lock;        /* MySQL lock */
   ARCHIVE_SHARE *share;      /* Shared lock info */
+  
   azio_stream archive;            /* Archive file we are working with */
   my_off_t current_position;  /* The position of the row we just read */
   byte byte_buffer[IO_SIZE]; /* Initial buffer for our string */
@@ -65,6 +76,10 @@ class ha_archive: public handler
   const byte *current_key;
   uint current_key_len;
   uint current_k_offset;
+  archive_record_buffer *record_buffer;
+
+  archive_record_buffer *create_record_buffer(ulonglong length); 
+  void destroy_record_buffer(archive_record_buffer *r);
 
 public:
   ha_archive(handlerton *hton, TABLE_SHARE *table_arg);
@@ -105,7 +120,10 @@ class ha_archive: public handler
   int rnd_next(byte *buf);
   int rnd_pos(byte * buf, byte *pos);
   int get_row(azio_stream *file_to_read, byte *buf);
+  int get_row_version2(azio_stream *file_to_read, byte *buf);
+  int get_row_version3(azio_stream *file_to_read, byte *buf);
   int read_meta_file(File meta_file, ha_rows *rows, 
+                     uint *meta_version,
                      ulonglong *auto_increment,
                      ulonglong *forced_flushes,
                      char *real_path);
@@ -137,5 +155,9 @@ class ha_archive: public handler
   bool is_crashed() const;
   int check(THD* thd, HA_CHECK_OPT* check_opt);
   bool check_and_repair(THD *thd);
+  int max_row_length(const byte *buf);
+  bool fix_rec_buff(int length);
+  int unpack_row(azio_stream *file_to_read, char *record);
+  int pack_row(const byte *record);
 };