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drizzled/key.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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */

 

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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

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/* Functions to handle keys and fields in forms */

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#include "drizzled/table.h"

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#include "drizzled/key.h"

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#include "drizzled/field/blob.h"

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#include "drizzled/util/test.h"

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#include <boost/dynamic_bitset.hpp>

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#include <string>

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    {

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      const CHARSET_INFO * const cs= field->charset();

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      field->setReadSet();

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      field->val_str_internal(&tmp);

 

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      field->val_str(&tmp);

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      if (cs->mbmaxlen > 1 &&

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          table->getField(key_part->fieldnr - 1)->field_length !=

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          key_part->length)

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      }

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      if (key_part->length < field->pack_length())

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        tmp.length(min(tmp.length(), static_cast<size_t>(key_part->length)));

 

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        tmp.length(min(tmp.length(),(uint32_t)key_part->length));

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      to->append(tmp);

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    }

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    else

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    FALSE  Otherwise

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*/

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bool is_key_used(Table *table, uint32_t idx, const boost::dynamic_bitset<>& fields)

 

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bool is_key_used(Table *table, uint32_t idx, const MyBitmap *fields)

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{

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  table->tmp_set.reset();

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  table->mark_columns_used_by_index_no_reset(idx, table->tmp_set);

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  if (table->tmp_set.is_subset_of(fields))

 

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  table->tmp_set.clearAll();

 

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  table->mark_columns_used_by_index_no_reset(idx, &table->tmp_set);

 

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  if (bitmap_is_overlapping(&table->tmp_set, fields))

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    return 1;

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  /*

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