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Viewing changes to drizzled/item_func.cc

Merged vcol stuff.

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drizzled/item_func.cc
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    Table *table= (Table *) arg;
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    if (result_field->table == table || !table)
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      bitmap_set_bit(result_field->table->read_set, result_field->field_index);
 
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    if (result_field->vcol_info && result_field->vcol_info->expr_item)
 
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      return result_field->vcol_info->
 
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               expr_item->walk(&Item::register_field_in_read_map, 1, arg);
 
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  }
 
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  return 0;
 
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}
 
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/*
 
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  Mark field in bitmap supplied as *arg
 
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*/
 
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bool Item_func_set_user_var::register_field_in_bitmap(unsigned char *arg)
 
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{
 
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  MY_BITMAP *bitmap = (MY_BITMAP *) arg;
 
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  assert(bitmap);
 
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  if (result_field)
 
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  {
 
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    bitmap_set_bit(bitmap, result_field->field_index);
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  }
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  return 0;
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}