Commit 9a162f9a authored by unknown's avatar unknown
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Added tests for archive. Cleaned up a merge mistake and added some information... 

Added tests for archive. Cleaned up a merge mistake and added some information on how well archive compresses. 


sql/examples/ha_archive.cc:
  Added in example information from testing archive with Slashdot's comments.
sql/handler.h:
  Fixed broken merge.
sql/set_var.cc:
  Adding in "have_archive" to variables shown to make tests work.
parent 64285a73

mysql-test/include/have_archive.inc

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-- require r/have_archive.require

disable_query_log;

show variables like "have_archive";

enable_query_log;

mysql-test/r/archive.result

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File added.

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mysql-test/r/have_archive.require

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Variable_name	Value

have_archive	YES

mysql-test/t/archive.test

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File added.

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sql/examples/ha_archive.cc

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@@ -53,6 +53,18 @@ 
  to be any faster. For writes it is always a bit slower then MyISAM. It has no

  internal limits though for row length.



  Examples between MyISAM and Archive.



  Table with 76695844 identical rows:

  29680807 a_archive.ARZ

  920350317 a.MYD





  Table with 8991478 rows (all of Slashdot's comments):

  1922964506 comment_archive.ARZ

  2944970297 comment_text.MYD





  TODO:

   Add bzip optional support.

   Allow users to set compression level.
@@ -225,7 +237,7 @@ int ha_archive::close(void) 
  if (gzclose(archive) == Z_ERRNO)

    rc =-1;

  rc |= free_share(share);

  DBUG_RETURN();

  DBUG_RETURN(rc);

}
@@ -276,7 +288,7 @@ int ha_archive::write_row(byte * buf) 


  statistic_increment(ha_write_count,&LOCK_status);

  if (table->timestamp_default_now)

    update_timestamp(record+table->timestamp_default_now-1);

    update_timestamp(buf+table->timestamp_default_now-1);

  written = gzwrite(share->archive_write, buf, table->reclength);

  share->dirty= true;

  if (written == 0 || written != table->reclength)
@@ -335,7 +347,7 @@ int ha_archive::rnd_init(bool scan) 
    intact.

  */

  read= gzread(archive, &version, sizeof(version));

  if (written == 0 || written != sizeof(version))

  if (read == 0 || read != sizeof(version))

    DBUG_RETURN(-1);

  records = 0;

  DBUG_RETURN(0);