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  • Committer: Lee Bieber
  • Date: 2011-03-18 04:10:25 UTC
  • mfrom: (2241.1.2 build)
  • Revision ID: kalebral@gmail.com-20110318041025-1xoj1azy6zobhnbm
Merge Stewart - refactoring of default values
Merge Olaf - more refactoring

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drizzled/item/default_value.cc
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
 
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#include <config.h>
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#include <drizzled/error.h>
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#include <drizzled/name_resolution_context.h>
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}
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void Item_default_value::print(String *str, enum_query_type query_type)
 
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void Item_default_value::print(String *str)
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{
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  if (!arg)
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  {
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    return;
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  }
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  str->append(STRING_WITH_LEN("default("));
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  arg->print(str, query_type);
 
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  arg->print(str);
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  str->append(')');
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}
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  Item *new_item= arg->transform(transformer, args);
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  if (!new_item)
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    return NULL;
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  /*
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    Session::change_item_tree() should be called only if the tree was
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    really transformed, i.e. when a new item has been created.
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    Otherwise we'll be allocating a lot of unnecessary memory for
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    change records at each execution.
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  */
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  if (arg != new_item)
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    getSession().change_item_tree(&arg, new_item);
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  arg= new_item;
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  return (this->*transformer)(args);
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}
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