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  • Committer: Monty Taylor
  • Date: 2009-04-25 20:29:54 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 1003.
  • Revision ID: mordred@inaugust.com-20090425202954-slopmkjj7vxal5lk
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drizzled/function/get_user_var.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 <float.h>
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#include <drizzled/server_includes.h>
 
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#include CSTDINT_H
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#include <drizzled/function/get_user_var.h>
 
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#include <drizzled/function/get_variable.h>
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#include <drizzled/item/null.h>
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#include <drizzled/sql_parse.h>
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#include <drizzled/session.h>
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namespace drizzled
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{
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String *Item_func_get_user_var::val_str(String *str)
 
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String *
 
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Item_func_get_user_var::val_str(String *str)
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{
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  assert(fixed == 1);
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  if (!var_entry)
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void Item_func_get_user_var::fix_length_and_dec()
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{
 
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  Session *session=current_session;
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  maybe_null=1;
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  decimals=NOT_FIXED_DEC;
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  max_length=MAX_BLOB_WIDTH;
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  var_entry= session.getVariable(name, false);
 
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  var_entry= get_variable(&session->user_vars, name, 0);
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  /*
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    If the variable didn't exist it has been created as a STRING-type.
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    max_length= var_entry->length;
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    collation.set(var_entry->collation);
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    switch(m_cached_result_type) 
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    {
 
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    switch(m_cached_result_type) {
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    case REAL_RESULT:
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      max_length= DBL_DIG + 8;
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      break;
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    case INT_RESULT:
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      max_length= MAX_BIGINT_WIDTH;
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      decimals=0;
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    case STRING_RESULT:
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      max_length= MAX_BLOB_WIDTH;
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      break;
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    case DECIMAL_RESULT:
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      max_length= DECIMAL_MAX_STR_LENGTH;
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      decimals= DECIMAL_MAX_SCALE;
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      break;
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    case ROW_RESULT:                            // Keep compiler happy
 
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    default:
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      assert(0);
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      break;
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    }
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bool Item_func_get_user_var::const_item() const
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{
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  return (!var_entry || session.getQueryId() != var_entry->update_query_id);
 
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  return (!var_entry || current_session->query_id != var_entry->update_query_id);
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}
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  return (name.length == other->name.length &&
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          !memcmp(name.str, other->name.str, name.length));
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}
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} /* namespace drizzled */