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  • Committer: Monty Taylor
  • Date: 2010-10-15 17:18:02 UTC
  • mto: (1859.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 1860.
  • Revision ID: mordred@inaugust.com-20101015171802-qhk6zyfhrkvprr1n
Added support for registering regular sys_var instances via module::Context.

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plugin/myisam/mi_info.cc
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */
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/* Return useful base information for an open table */
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#include "myisamdef.h"
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#ifdef  __WIN__
 
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#include "myisam_priv.h"
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#include <sys/stat.h>
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#endif
 
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#include "drizzled/error.h"
 
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using namespace drizzled;
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        /* Get position to last record */
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my_off_t mi_position(MI_INFO *info)
 
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internal::my_off_t mi_position(MI_INFO *info)
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{
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  return info->lastpos;
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}
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/* Get information about the table */
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/* if flag == 2 one get current info (no sync from database */
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int mi_status(MI_INFO *info, register MI_ISAMINFO *x, uint flag)
 
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int mi_status(MI_INFO *info, register MI_ISAMINFO *x, uint32_t flag)
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{
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  struct stat state;
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  MYISAM_SHARE *share=info->s;
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    return(0);                          /* Compatible with ISAM */
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  if (!(flag & HA_STATUS_NO_LOCK))
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  {
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    pthread_mutex_lock(&share->intern_lock);
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    VOID(_mi_readinfo(info,F_RDLCK,0));
 
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    _mi_readinfo(info,F_RDLCK,0);
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    fast_mi_writeinfo(info);
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    pthread_mutex_unlock(&share->intern_lock);
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  }
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  if (flag & HA_STATUS_VARIABLE)
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  {
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    x->keys             = share->state.header.keys;
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    x->check_time       = share->state.check_time;
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    x->mean_reclength= x->records ?
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      (ulong) ((x->data_file_length - x->delete_length) / x->records) :
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      (ulong) share->min_pack_length;
 
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      (uint32_t) ((x->data_file_length - x->delete_length) / x->records) :
 
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      (uint32_t) share->min_pack_length;
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  }
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  if (flag & HA_STATUS_ERRKEY)
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  {
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    x->filenr    = info->dfile;
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    x->options   = share->options;
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    x->create_time=share->state.create_time;
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    x->reflength= mi_get_pointer_length(share->base.max_data_file_length,
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                                        myisam_data_pointer_size);
 
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    x->reflength= mi_get_pointer_length(share->base.max_data_file_length, data_pointer_size);
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    x->record_offset= ((share->options &
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                        (HA_OPTION_PACK_RECORD | HA_OPTION_COMPRESS_RECORD)) ?
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                       0L : share->base.pack_reclength);