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* Copyright (C) 2007 Apple Inc. All rights reserved.
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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "SQLStatementSync.h"
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#if ENABLE(SQL_DATABASE)
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#include "DatabaseSync.h"
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#include "SQLException.h"
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#include "SQLResultSet.h"
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#include "SQLiteDatabase.h"
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#include "SQLiteStatement.h"
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#include <wtf/PassRefPtr.h>
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#include <wtf/RefPtr.h>
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SQLStatementSync::SQLStatementSync(const String& statement, const Vector<SQLValue>& arguments, int permissions)
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: m_statement(statement)
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, m_arguments(arguments)
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, m_permissions(permissions)
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ASSERT(!m_statement.isEmpty());
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PassRefPtr<SQLResultSet> SQLStatementSync::execute(DatabaseSync* db, ExceptionCode& ec)
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db->setAuthorizerPermissions(m_permissions);
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SQLiteDatabase* database = &db->sqliteDatabase();
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SQLiteStatement statement(*database, m_statement);
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int result = statement.prepare();
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if (result != SQLResultOk) {
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ec = (result == SQLResultInterrupt ? SQLException::DATABASE_ERR : SQLException::SYNTAX_ERR);
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db->setLastErrorMessage("could not prepare statement", result, database->lastErrorMsg());
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if (statement.bindParameterCount() != m_arguments.size()) {
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ec = (db->isInterrupted()? SQLException::DATABASE_ERR : SQLException::SYNTAX_ERR);
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db->setLastErrorMessage("number of '?'s in statement string does not match argument count");
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for (unsigned i = 0; i < m_arguments.size(); ++i) {
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result = statement.bindValue(i + 1, m_arguments[i]);
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if (result == SQLResultFull) {
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ec = SQLException::QUOTA_ERR;
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db->setLastErrorMessage("there was not enough remaining storage space");
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if (result != SQLResultOk) {
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ec = SQLException::DATABASE_ERR;
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db->setLastErrorMessage("could not bind value", result, database->lastErrorMsg());
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RefPtr<SQLResultSet> resultSet = SQLResultSet::create();
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// Step so we can fetch the column names.
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result = statement.step();
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if (result == SQLResultRow) {
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int columnCount = statement.columnCount();
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SQLResultSetRowList* rows = resultSet->rows();
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for (int i = 0; i < columnCount; i++)
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rows->addColumn(statement.getColumnName(i));
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for (int i = 0; i < columnCount; i++)
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rows->addResult(statement.getColumnValue(i));
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result = statement.step();
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} while (result == SQLResultRow);
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if (result != SQLResultDone) {
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ec = SQLException::DATABASE_ERR;
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db->setLastErrorMessage("could not iterate results", result, database->lastErrorMsg());
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} else if (result == SQLResultDone) {
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// Didn't find anything, or was an insert.
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if (db->lastActionWasInsert())
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resultSet->setInsertId(database->lastInsertRowID());
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} else if (result == SQLResultFull) {
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// Quota error, the delegate will be asked for more space and this statement might be re-run.
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ec = SQLException::QUOTA_ERR;
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db->setLastErrorMessage("there was not enough remaining storage space");
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} else if (result == SQLResultConstraint) {
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ec = SQLException::CONSTRAINT_ERR;
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db->setLastErrorMessage("statement failed due to a constraint failure");
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ec = SQLException::DATABASE_ERR;
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db->setLastErrorMessage("could not execute statement", result, database->lastErrorMsg());
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resultSet->setRowsAffected(database->lastChanges());
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return resultSet.release();
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} // namespace WebCore
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#endif // ENABLE(SQL_DATABASE)