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Viewing changes to drizzled/field_conv.cc

  • Committer: Brian Aker
  • Date: 2010-09-23 01:33:43 UTC
  • mto: (1787.3.1 drizzle)
  • mto: This revision was merged to the branch mainline in revision 1789.
  • Revision ID: brian@tangent.org-20100923013343-k63tkwi3sx80drw9
Encapsulate the length of the bytes in the varchar header.

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Lines of Context:
drizzled/field_conv.cc
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        return do_field_string;
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      else if (to->real_type() == DRIZZLE_TYPE_VARCHAR)
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      {
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        if (((Field_varstring*) to)->length_bytes !=
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            ((Field_varstring*) from)->length_bytes)
 
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        if (((Field_varstring*) to)->pack_length_no_ptr() !=
 
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            ((Field_varstring*) from)->pack_length_no_ptr())
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        {
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          return do_field_string;
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        }
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        if (to_length != from_length)
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        {
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          return (((Field_varstring*) to)->length_bytes == 1 ?
 
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          return (((Field_varstring*) to)->pack_length_no_ptr() == 1 ?
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                  (from->charset()->mbmaxlen == 1 ? do_varstring1 :
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                                                    do_varstring1_mb) :
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                  (from->charset()->mbmaxlen == 1 ? do_varstring2 :
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        from->charset() == to->charset() &&
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        to->getTable()->getShare()->db_low_byte_first == from->getTable()->getShare()->db_low_byte_first &&
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        (!(to->getTable()->in_use->variables.sql_mode & (MODE_NO_ZERO_DATE | MODE_INVALID_DATES)) || (to->type() != DRIZZLE_TYPE_DATE && to->type() != DRIZZLE_TYPE_DATETIME)) &&
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        (from->real_type() != DRIZZLE_TYPE_VARCHAR || ((Field_varstring*)from)->length_bytes == ((Field_varstring*)to)->length_bytes))
 
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        (from->real_type() != DRIZZLE_TYPE_VARCHAR || ((Field_varstring*)from)->pack_length_no_ptr() == ((Field_varstring*)to)->pack_length_no_ptr()))
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    {                                           // Identical fields
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      /* This may happen if one does 'UPDATE ... SET x=x' */
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      if (to->ptr != from->ptr)