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  • Committer: Barry.Leslie at PrimeBase
  • Date: 2011-01-22 03:22:44 UTC
  • mfrom: (2101 staging)
  • mto: (2228.1.4 build)
  • mto: This revision was merged to the branch mainline in revision 2230.
  • Revision ID: barry.leslie@primebase.com-20110122032244-ukbe3mlj7fs8xph6
Merged with lp:drizzle.

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drizzled/cursor.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
 
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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#include "drizzled/lock.h"
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#include "drizzled/item/int.h"
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#include "drizzled/item/empty_string.h"
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#include "drizzled/field/timestamp.h"
 
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#include "drizzled/field/epoch.h"
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#include "drizzled/message/table.pb.h"
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#include "drizzled/plugin/client.h"
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#include "drizzled/internal/my_sys.h"
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  if (!(new_handler->ref= (unsigned char*) mem_root->alloc_root(ALIGN_SIZE(ref_length)*2)))
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    return NULL;
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  TableIdentifier identifier(getTable()->getShare()->getSchemaName(),
 
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  identifier::Table identifier(getTable()->getShare()->getSchemaName(),
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                             getTable()->getShare()->getTableName(),
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                             getTable()->getShare()->getType());
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uint64_t Cursor::tableSize() { return stats.index_file_length + stats.data_file_length; }
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uint64_t Cursor::rowSize() { return getTable()->getRecordLength() + getTable()->sizeFields(); }
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int Cursor::doOpen(const TableIdentifier &identifier, int mode, uint32_t test_if_locked)
 
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int Cursor::doOpen(const identifier::Table &identifier, int mode, uint32_t test_if_locked)
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{
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  return open(identifier.getPath().c_str(), mode, test_if_locked);
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}
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  Try O_RDONLY if cannot open as O_RDWR
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  Don't wait for locks if not HA_OPEN_WAIT_IF_LOCKED is set
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*/
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int Cursor::ha_open(const TableIdentifier &identifier,
 
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int Cursor::ha_open(const identifier::Table &identifier,
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                    int mode,
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                    int test_if_locked)
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{
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  if (stats.deleted < 10 || primary_key >= MAX_KEY ||
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      !(getTable()->index_flags(primary_key) & HA_READ_ORDER))
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  {
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    (void) startTableScan(1);
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    while ((error= rnd_next(buf)) == HA_ERR_RECORD_DELETED) ;
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    (void) endTableScan();
 
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    error= startTableScan(1);
 
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    if (error == 0)
 
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    {
 
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      while ((error= rnd_next(buf)) == HA_ERR_RECORD_DELETED) ;
 
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      (void) endTableScan();
 
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    }
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  }
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  else
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  {
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    /* Find the first row through the primary key */
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    (void) startIndexScan(primary_key, 0);
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    error=index_first(buf);
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    (void) endIndexScan();
 
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    error= startIndexScan(primary_key, 0);
 
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    if (error == 0)
 
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    {
 
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      error=index_first(buf);
 
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      (void) endIndexScan();
 
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    }
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  }
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  return error;
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}