Remove worker support of Web SQL Database.

Source/modules/webdatabase/SQLStatementSync.cpp

-/*
- * Copyright (C) 2007 Apple Inc. All rights reserved.
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     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
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "modules/webdatabase/SQLStatementSync.h"
-
-#include "bindings/core/v8/ExceptionState.h"
-#include "core/dom/ExceptionCode.h"
-#include "modules/webdatabase/sqlite/SQLiteDatabase.h"
-#include "modules/webdatabase/sqlite/SQLiteStatement.h"
-#include "modules/webdatabase/DatabaseSync.h"
-#include "modules/webdatabase/SQLError.h"
-#include "modules/webdatabase/SQLResultSet.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefPtr.h"
-
-namespace blink {
-
-SQLStatementSync::SQLStatementSync(const String& statement, const Vector<SQLValue>& arguments, int permissions)
-    : m_statement(statement)
-    , m_arguments(arguments)
-    , m_permissions(permissions)
-{
-    ASSERT(!m_statement.isEmpty());
-}
-
-PassRefPtrWillBeRawPtr<SQLResultSet> SQLStatementSync::execute(DatabaseSync* db, ExceptionState& exceptionState)
-{
-    db->setAuthorizerPermissions(m_permissions);
-
-    SQLiteDatabase* database = &db->sqliteDatabase();
-
-    SQLiteStatement statement(*database, m_statement);
-    int result = statement.prepare();
-    if (result != SQLResultOk) {
-        if (result == SQLResultInterrupt)
-            exceptionState.throwDOMException(SQLDatabaseError, "Connection to the database interrupted.");
-        else
-            exceptionState.throwDOMException(SyntaxError, "Could not prepare statement.");
-        db->setLastErrorMessage("could not prepare statement", result, database->lastErrorMsg());
-        return nullptr;
-    }
-
-    if (statement.bindParameterCount() != m_arguments.size()) {
-        if (db->isInterrupted())
-            exceptionState.throwDOMException(SQLDatabaseError, "Connection to the database interrupted.");
-        else
-            exceptionState.throwDOMException(SyntaxError, "Number of '?'s in statement string (" + String::number(statement.bindParameterCount()) + ") does not match the arguments provided (" + String::number(m_arguments.size()) + ").");
-        db->setLastErrorMessage("number of '?'s in statement string does not match argument count");
-        return nullptr;
-    }
-
-    for (unsigned i = 0; i < m_arguments.size(); ++i) {
-        result = statement.bindValue(i + 1, m_arguments[i]);
-        if (result == SQLResultFull) {
-            exceptionState.throwDOMException(QuotaExceededError, SQLError::quotaExceededErrorMessage);
-            db->setLastErrorMessage("there was not enough remaining storage space");
-            return nullptr;
-        }
-
-        if (result != SQLResultOk) {
-            exceptionState.throwDOMException(SQLDatabaseError, "Could not bind value.");
-            db->setLastErrorMessage("could not bind value", result, database->lastErrorMsg());
-            return nullptr;
-        }
-    }
-
-    RefPtrWillBeRawPtr<SQLResultSet> resultSet = SQLResultSet::create();
-
-    // Step so we can fetch the column names.
-    result = statement.step();
-    if (result == SQLResultRow) {
-        int columnCount = statement.columnCount();
-        SQLResultSetRowList* rows = resultSet->rows();
-
-        for (int i = 0; i < columnCount; i++)
-            rows->addColumn(statement.getColumnName(i));
-
-        do {
-            for (int i = 0; i < columnCount; i++)
-                rows->addResult(statement.getColumnValue(i));
-
-            result = statement.step();
-        } while (result == SQLResultRow);
-
-        if (result != SQLResultDone) {
-            exceptionState.throwDOMException(SQLDatabaseError, "Could not iterate results.");
-            db->setLastErrorMessage("could not iterate results", result, database->lastErrorMsg());
-            return nullptr;
-        }
-    } else if (result == SQLResultDone) {
-        // Didn't find anything, or was an insert.
-        if (db->lastActionWasInsert())
-            resultSet->setInsertId(database->lastInsertRowID());
-    } else if (result == SQLResultFull) {
-        // Quota error, the delegate will be asked for more space and this statement might be re-run.
-        exceptionState.throwDOMException(QuotaExceededError, SQLError::quotaExceededErrorMessage);
-        db->setLastErrorMessage("there was not enough remaining storage space");
-        return nullptr;
-    } else if (result == SQLResultConstraint) {
-        exceptionState.throwDOMException(ConstraintError, "A constraint was violated.");
-        db->setLastErrorMessage("statement failed due to a constraint failure");
-        return nullptr;
-    } else {
-        exceptionState.throwDOMException(SQLDatabaseError, "Could not execute statement.");
-        db->setLastErrorMessage("could not execute statement", result, database->lastErrorMsg());
-        return nullptr;
-    }
-
-    resultSet->setRowsAffected(database->lastChanges());
-    return resultSet.release();
-}
-
-} // namespace blink