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  • Committer: Daniel Nichter
  • Date: 2011-10-23 16:01:37 UTC
  • mto: This revision was merged to the branch mainline in revision 2448.
  • Revision ID: daniel@percona.com-20111023160137-7ac3blgz8z4tf8za
Add Administration Getting Started and Logging.  Capitalize SQL clause keywords.

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plugin/myisam/mi_unique.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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/* Functions to check if a row is unique */
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#include "myisamdef.h"
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#include <mystrings/m_ctype.h>
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bool mi_check_unique(MI_INFO *info, MI_UNIQUEDEF *def, unsigned char *record,
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                        ha_checksum unique_hash, my_off_t disk_pos)
 
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#include "myisam_priv.h"
 
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#include <drizzled/charset.h>
 
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using namespace drizzled;
 
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bool mi_check_unique(MI_INFO *info,
 
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                     MI_UNIQUEDEF *def,
 
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                     unsigned char *record,
 
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                     ha_checksum unique_hash,
 
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                     internal::my_off_t disk_pos)
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{
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  my_off_t lastpos=info->lastpos;
 
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  internal::my_off_t lastpos=info->lastpos;
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  MI_KEYDEF *key= &info->s->keyinfo[def->key];
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  unsigned char *key_buff=info->lastkey2;
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    if (info->lastpos != disk_pos &&
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        !(*info->s->compare_unique)(info,def,record,info->lastpos))
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    {
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      my_errno=HA_ERR_FOUND_DUPP_UNIQUE;
 
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      errno=HA_ERR_FOUND_DUPP_UNIQUE;
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      info->errkey= (int) def->key;
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      info->dupp_key_pos= info->lastpos;
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      info->page_changed=1;                     /* Can't optimize read next */
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  for (keyseg=def->seg ; keyseg < def->end ; keyseg++)
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  {
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    enum ha_base_keytype type=(enum ha_base_keytype) keyseg->type;
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    uint32_t a_length, b_length;
 
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    uint16_t a_length, b_length;
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    a_length= b_length= keyseg->length;
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    /* If part is NULL it's regarded as different */