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  • Committer: Brian Aker
  • Date: 2010-08-01 07:57:39 UTC
  • mfrom: (1672.3.7 rollup)
  • Revision ID: brian@gaz-20100801075739-q42e9czjvni5uhu7
Merge Brian

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Lines of Context:
drizzled/key.cc
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      field->setReadSet();
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      from_key+= HA_KEY_BLOB_LENGTH;
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      key_length-= HA_KEY_BLOB_LENGTH;
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      field->set_ptr_offset(to_record - field->getTable()->record[0],
 
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      field->set_ptr_offset(to_record - field->getTable()->getInsertRecord(),
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                            (ulong) blob_length, from_key);
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      length= key_part->length;
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    }
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    else if (key_part->key_part_flag & HA_VAR_LENGTH_PART)
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    {
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      Field *field= key_part->field;
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      ptrdiff_t ptrdiff= to_record - field->getTable()->record[0];
 
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      ptrdiff_t ptrdiff= to_record - field->getTable()->getInsertRecord();
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      field->setReadSet();
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      field->setWriteSet();
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    if (key_part->null_bit)
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    {
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      if (*key != test(table->record[0][key_part->null_offset] &
 
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      if (*key != test(table->getInsertRecord()[key_part->null_offset] &
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                       key_part->null_bit))
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        return 1;
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      if (*key)
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    {
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      const CHARSET_INFO * const cs= key_part->field->charset();
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      uint32_t char_length= key_part->length / cs->mbmaxlen;
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      const unsigned char *pos= table->record[0] + key_part->offset;
 
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      const unsigned char *pos= table->getInsertRecord() + key_part->offset;
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      if (length > char_length)
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      {
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        char_length= my_charpos(cs, pos, pos + length, char_length);
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        return 1;
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      continue;
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    }
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    if (memcmp(key,table->record[0]+key_part->offset,length))
 
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    if (memcmp(key,table->getInsertRecord()+key_part->offset,length))
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      return 1;
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  }
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  return 0;
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      to->append('-');
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    if (key_part->null_bit)
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    {
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      if (table->record[0][key_part->null_offset] & key_part->null_bit)
 
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      if (table->getInsertRecord()[key_part->null_offset] & key_part->null_bit)
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      {
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        to->append(STRING_WITH_LEN("NULL"));
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        continue;
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  Compare key in row to a given key.
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  @param key_part               Key part handler
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  @param key                    Key to compare to value in table->record[0]
 
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  @param key                    Key to compare to value in table->getInsertRecord()
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  @param key_length             length of 'key'
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  @return