Java Code Examples for android.database.DatabaseUtils#STATEMENT_ABORT

The following examples show how to use android.database.DatabaseUtils#STATEMENT_ABORT . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: SQLiteSession.java    From android_9.0.0_r45 with Apache License 2.0 6 votes vote down vote up 
/**
 * Performs special reinterpretation of certain SQL statements such as "BEGIN",
 * "COMMIT" and "ROLLBACK" to ensure that transaction state invariants are
 * maintained.
 *
 * This function is mainly used to support legacy apps that perform their
 * own transactions by executing raw SQL rather than calling {@link #beginTransaction}
 * and the like.
 *
 * @param sql The SQL statement to execute.
 * @param bindArgs The arguments to bind, or null if none.
 * @param connectionFlags The connection flags to use if a connection must be
 * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
 * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
 * @return True if the statement was of a special form that was handled here,
 * false otherwise.
 *
 * @throws SQLiteException if an error occurs, such as a syntax error
 * or invalid number of bind arguments.
 * @throws OperationCanceledException if the operation was canceled.
 */
private boolean executeSpecial(String sql, Object[] bindArgs, int connectionFlags,
        CancellationSignal cancellationSignal) {
    if (cancellationSignal != null) {
        cancellationSignal.throwIfCanceled();
    }

    final int type = DatabaseUtils.getSqlStatementType(sql);
    switch (type) {
        case DatabaseUtils.STATEMENT_BEGIN:
            beginTransaction(TRANSACTION_MODE_EXCLUSIVE, null, connectionFlags,
                    cancellationSignal);
            return true;

        case DatabaseUtils.STATEMENT_COMMIT:
            setTransactionSuccessful();
            endTransaction(cancellationSignal);
            return true;

        case DatabaseUtils.STATEMENT_ABORT:
            endTransaction(cancellationSignal);
            return true;
    }
    return false;
}
Example 2
Source File: SQLiteSession.java    From squidb with Apache License 2.0 6 votes vote down vote up 
/**
 * Performs special reinterpretation of certain SQL statements such as "BEGIN",
 * "COMMIT" and "ROLLBACK" to ensure that transaction state invariants are
 * maintained.
 *
 * This function is mainly used to support legacy apps that perform their
 * own transactions by executing raw SQL rather than calling {@link #beginTransaction}
 * and the like.
 *
 * @param sql The SQL statement to execute.
 * @param bindArgs The arguments to bind, or null if none.
 * @param connectionFlags The connection flags to use if a connection must be
 * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
 * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
 * @return True if the statement was of a special form that was handled here,
 * false otherwise.
 *
 * @throws SQLiteException if an error occurs, such as a syntax error
 * or invalid number of bind arguments.
 * @throws OperationCanceledException if the operation was canceled.
 */
private boolean executeSpecial(String sql, Object[] bindArgs, int connectionFlags,
        CancellationSignal cancellationSignal) {
    if (cancellationSignal != null) {
        cancellationSignal.throwIfCanceled();
    }

    final int type = DatabaseUtils.getSqlStatementType(sql);
    switch (type) {
        case DatabaseUtils.STATEMENT_BEGIN:
            beginTransaction(TRANSACTION_MODE_EXCLUSIVE, null, connectionFlags,
                    cancellationSignal);
            return true;

        case DatabaseUtils.STATEMENT_COMMIT:
            setTransactionSuccessful();
            endTransaction(cancellationSignal);
            return true;

        case DatabaseUtils.STATEMENT_ABORT:
            endTransaction(cancellationSignal);
            return true;
    }
    return false;
}
Example 3
Source File: SQLiteProgram.java    From android_9.0.0_r45 with Apache License 2.0 4 votes vote down vote up 
SQLiteProgram(SQLiteDatabase db, String sql, Object[] bindArgs,
        CancellationSignal cancellationSignalForPrepare) {
    mDatabase = db;
    mSql = sql.trim();

    int n = DatabaseUtils.getSqlStatementType(mSql);
    switch (n) {
        case DatabaseUtils.STATEMENT_BEGIN:
        case DatabaseUtils.STATEMENT_COMMIT:
        case DatabaseUtils.STATEMENT_ABORT:
            mReadOnly = false;
            mColumnNames = EMPTY_STRING_ARRAY;
            mNumParameters = 0;
            break;

        default:
            boolean assumeReadOnly = (n == DatabaseUtils.STATEMENT_SELECT);
            SQLiteStatementInfo info = new SQLiteStatementInfo();
            db.getThreadSession().prepare(mSql,
                    db.getThreadDefaultConnectionFlags(assumeReadOnly),
                    cancellationSignalForPrepare, info);
            mReadOnly = info.readOnly;
            mColumnNames = info.columnNames;
            mNumParameters = info.numParameters;
            break;
    }

    if (bindArgs != null && bindArgs.length > mNumParameters) {
        throw new IllegalArgumentException("Too many bind arguments.  "
                + bindArgs.length + " arguments were provided but the statement needs "
                + mNumParameters + " arguments.");
    }

    if (mNumParameters != 0) {
        mBindArgs = new Object[mNumParameters];
        if (bindArgs != null) {
            System.arraycopy(bindArgs, 0, mBindArgs, 0, bindArgs.length);
        }
    } else {
        mBindArgs = null;
    }
}
Example 4
Source File: SQLiteProgram.java    From squidb with Apache License 2.0 4 votes vote down vote up 
SQLiteProgram(SQLiteDatabase db, String sql, Object[] bindArgs,
        CancellationSignal cancellationSignalForPrepare) {
    mDatabase = db;
    mSql = sql.trim();

    int n = DatabaseUtils.getSqlStatementType(mSql);
    switch (n) {
        case DatabaseUtils.STATEMENT_BEGIN:
        case DatabaseUtils.STATEMENT_COMMIT:
        case DatabaseUtils.STATEMENT_ABORT:
            mReadOnly = false;
            mColumnNames = EMPTY_STRING_ARRAY;
            mNumParameters = 0;
            break;

        default:
            boolean assumeReadOnly = (n == DatabaseUtils.STATEMENT_SELECT);
            SQLiteStatementInfo info = new SQLiteStatementInfo();
            db.getThreadSession().prepare(mSql,
                    db.getThreadDefaultConnectionFlags(assumeReadOnly),
                    cancellationSignalForPrepare, info);
            mReadOnly = info.readOnly;
            mColumnNames = info.columnNames;
            mNumParameters = info.numParameters;
            break;
    }

    if (bindArgs != null && bindArgs.length > mNumParameters) {
        throw new IllegalArgumentException("Too many bind arguments.  "
                + bindArgs.length + " arguments were provided but the statement needs "
                + mNumParameters + " arguments.");
    }

    if (mNumParameters != 0) {
        mBindArgs = new Object[mNumParameters];
        if (bindArgs != null) {
            System.arraycopy(bindArgs, 0, mBindArgs, 0, bindArgs.length);
        }
    } else {
        mBindArgs = null;
    }
}