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Viewing changes to drizzled/join_table.cc

  • Committer: Mark Atwood
  • Date: 2012-01-04 16:59:32 UTC
  • mfrom: (2478.2.3 real-key-use-catalog)
  • Revision ID: me@mark.atwood.name-20120104165932-cm0xqs4by0u3p4cy
merge lp:~stewart/drizzle/key-use-catalog

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drizzled/join_table.cc
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  if (this->type == AM_SYSTEM)
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  {
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    if ((error=this->joinReadSystem()))
 
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    if ((error= this->joinReadSystem()))
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    {                                           // Info for DESCRIBE
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      this->info="const row not found";
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      /* Mark for EXPLAIN that the row was not found */
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  this->cache.pos=pos;
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}
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int JoinTable::joinReadSystem()
 
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int join_read_system(JoinTable *tab)
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{
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  Table *Table= this->table;
 
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  Table *table= tab->table;
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  int error;
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  if (Table->status & STATUS_GARBAGE)           // If first read
 
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  if (table->status & STATUS_GARBAGE)           // If first read
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  {
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    if ((error=Table->cursor->read_first_row(table->getInsertRecord(),
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                                           Table->getShare()->getPrimaryKey())))
 
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    if ((error= table->cursor->read_first_row(table->getInsertRecord(),
 
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                                              table->getShare()->getPrimaryKey())))
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    {
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      if (error != HA_ERR_END_OF_FILE)
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        return Table->report_error(error);
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      this->table->mark_as_null_row();
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      Table->emptyRecord();                     // Make empty record
 
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      {
 
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        return table->report_error(error);
 
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      }
 
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      tab->table->mark_as_null_row();
 
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      table->emptyRecord();                     // Make empty record
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      return -1;
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    }
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    Table->storeRecord();
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  }
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  else if (!Table->status)                      // Only happens with left join
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    Table->restoreRecord();                     // restore old record
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  Table->null_row=0;
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  return Table->status ? -1 : 0;
 
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    table->storeRecord();
 
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  }
 
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  else if (table->status == 0)                  // Only happens with left join
 
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  {
 
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    table->restoreRecord();                     // restore old record
 
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  }
 
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  table->null_row=0;
 
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  return table->status ? -1 : 0;
 
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}
 
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int JoinTable::joinReadSystem()
 
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{
 
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  return join_read_system(this);
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}
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} /* namespace drizzled */