third_party/WebKit/Source/modules/webdatabase/SQLResultSet.cpp

/*
 * Copyright (C) 2007 Apple Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions
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 *
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 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#include "modules/webdatabase/SQLResultSet.h"

#include "bindings/core/v8/ExceptionState.h"
#include "core/dom/ExceptionCode.h"
#include "platform/heap/Handle.h"

namespace blink {

SQLResultSet::SQLResultSet()
    : m_rows(SQLResultSetRowList::create()),
      m_insertId(0),
      m_rowsAffected(0),
      m_insertIdSet(false),
      m_isValid(false) {
  DCHECK(isMainThread());
}

DEFINE_TRACE(SQLResultSet) {
  visitor->trace(m_rows);
}

int64_t SQLResultSet::insertId(ExceptionState& exceptionState) const {
  // 4.11.4 - Return the id of the last row inserted as a result of the query
  // If the query didn't result in any rows being added, raise an
  // InvalidAccessError exception.
  if (m_insertIdSet)
    return m_insertId;

  exceptionState.throwDOMException(
      InvalidAccessError, "The query didn't result in any rows being added.");
  return -1;
}

int SQLResultSet::rowsAffected() const {
  return m_rowsAffected;
}

SQLResultSetRowList* SQLResultSet::rows() const {
  return m_rows.get();
}

void SQLResultSet::setInsertId(int64_t id) {
  ASSERT(!m_insertIdSet);

  m_insertId = id;
  m_insertIdSet = true;
}

void SQLResultSet::setRowsAffected(int count) {
  m_rowsAffected = count;
  m_isValid = true;
}

}  // namespace blink