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Viewing changes to drizzled/optimizer/quick_group_min_max_select.cc

  • Committer: Olaf van der Spek
  • Date: 2011-06-22 17:21:46 UTC
  • mto: This revision was merged to the branch mainline in revision 2347.
  • Revision ID: olafvdspek@gmail.com-20110622172146-fmtxxu9xt3ddmnm5
Refactor

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drizzled/optimizer/quick_group_min_max_select.cc
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  if (group_prefix) /* Already initialized. */
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    return 0;
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  last_prefix= (unsigned char*) alloc.alloc(group_prefix_len);
 
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  last_prefix= alloc.alloc(group_prefix_len);
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  /*
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    We may use group_prefix to store keys with all select fields, so allocate
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    enough space for it.
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  */
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  group_prefix= (unsigned char*) alloc.alloc(real_prefix_len + min_max_arg_len);
 
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  group_prefix= alloc.alloc(real_prefix_len + min_max_arg_len);
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  if (key_infix_len > 0)
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  {
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      The memory location pointed to by key_infix will be deleted soon, so
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      allocate a new buffer and copy the key_infix into it.
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    */
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    unsigned char *tmp_key_infix= (unsigned char*) alloc.alloc(key_infix_len);
 
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    unsigned char *tmp_key_infix= alloc.alloc(key_infix_len);
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    memcpy(tmp_key_infix, this->key_infix, key_infix_len);
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    this->key_infix= tmp_key_infix;
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  }