Examples with ConglomerateController org.apache.derby.iapi.store.access.ConglomerateController used on opensource projects

Example 31 with ConglomerateController

use of org.apache.derby.iapi.store.access.ConglomerateController in project derby by apache.

the class RAMTransaction method addColumnToConglomerate.

/**
 ************************************************************************
 * Public Methods of TransactionController interface:
 **************************************************************************
 */
/**
 *    Add a column to a conglomerate.  The conglomerate must not be open in
 *	the current transaction.  This also means that there must not be any
 *    active scans on it.
 *
 *    The column can only be added at the spot just after the current set of
 *    columns.
 *
 *    The template_column must be nullable.
 *
 *    After this call has been made, all fetches of this column from rows that
 *    existed in the table prior to this call will return "null".
 *
 *	@param conglomId        The identifier of the conglomerate to drop.
 *	@param column_id        The column number to add this column at.
 *	@param template_column  An instance of the column to be added to table.
 *	@param collation_id     collation id of the added column.
 *
 *	@exception StandardException Only some types of conglomerates can support
 *        adding a column, for instance "heap" conglomerates support adding a
 *        column while "btree" conglomerates do not.  If the column can not be
 *        added an exception will be thrown.
 */
public void addColumnToConglomerate(long conglomId, int column_id, Storable template_column, int collation_id) throws StandardException {
    boolean is_temporary = (conglomId < 0);
    Conglomerate conglom = findConglomerate(conglomId);
    if (conglom == null) {
        throw StandardException.newException(SQLState.AM_NO_SUCH_CONGLOMERATE_DROP, conglomId);
    }
    // Get exclusive lock on the table being altered.
    ConglomerateController cc = conglom.open(this, rawtran, false, OPENMODE_FORUPDATE, MODE_TABLE, accessmanager.table_level_policy[TransactionController.ISOLATION_SERIALIZABLE], (StaticCompiledOpenConglomInfo) null, (DynamicCompiledOpenConglomInfo) null);
    conglom.addColumn(this, column_id, template_column, collation_id);
    // live in the conglomerate cache.
    if (!is_temporary) {
        alterTableCallMade = true;
    }
    cc.close();
    return;
}

Example 32 with ConglomerateController

use of org.apache.derby.iapi.store.access.ConglomerateController in project derby by apache.

the class RAMTransaction method openConglomerate.

private ConglomerateController openConglomerate(Conglomerate conglom, boolean hold, int open_mode, int lock_level, int isolation_level, StaticCompiledOpenConglomInfo static_info, DynamicCompiledOpenConglomInfo dynamic_info) throws StandardException {
    if (SanityManager.DEBUG) {
        if ((open_mode & ~(ContainerHandle.MODE_UNLOGGED | ContainerHandle.MODE_CREATE_UNLOGGED | ContainerHandle.MODE_FORUPDATE | ContainerHandle.MODE_READONLY | ContainerHandle.MODE_TRUNCATE_ON_COMMIT | ContainerHandle.MODE_DROP_ON_COMMIT | ContainerHandle.MODE_OPEN_FOR_LOCK_ONLY | ContainerHandle.MODE_LOCK_NOWAIT | ContainerHandle.MODE_LOCK_ROW_NOWAIT | ContainerHandle.MODE_TRUNCATE_ON_ROLLBACK | ContainerHandle.MODE_FLUSH_ON_COMMIT | ContainerHandle.MODE_NO_ACTIONS_ON_COMMIT | ContainerHandle.MODE_TEMP_IS_KEPT | ContainerHandle.MODE_USE_UPDATE_LOCKS | ContainerHandle.MODE_SECONDARY_LOCKED | ContainerHandle.MODE_BASEROW_INSERT_LOCKED)) != 0) {
            SanityManager.THROWASSERT("Bad open mode to openConglomerate:" + Integer.toHexString(open_mode));
        }
        SanityManager.ASSERT(conglom != null);
        if (lock_level != MODE_RECORD && lock_level != MODE_TABLE) {
            SanityManager.THROWASSERT("Bad lock level to openConglomerate:" + lock_level);
        }
    }
    // Get a conglomerate controller.
    ConglomerateController cc = conglom.open(this, rawtran, hold, open_mode, determine_lock_level(lock_level), determine_locking_policy(lock_level, isolation_level), static_info, dynamic_info);
    // Keep track of it so we can release on close.
    conglomerateControllers.add(cc);
    return cc;
}

Example 33 with ConglomerateController

use of org.apache.derby.iapi.store.access.ConglomerateController in project derby by apache.

the class D_DiagnosticUtil method diag_conglomid.

/**
 * Given a Database name and conglomid, return diagnositic string.
 * <p>
 * Return a string with diagnostic information about a particular
 * conglomerate, can be called for any type of conglomerate (some types
 * may not return any info though).
 * <p>
 * Can be called from ij to find out info about conglomid 19 in database
 * 'msgdb' by using the following syntax:
 *
 *     values
 *     com.ibm.db2j.protocol.BasicServices.Diagnostic.T_Diagnosticable::
 *     diag_conglomid('msgdb', 19);
 *       maximumdisplaywidth 9000;
 *
 *       CREATE FUNCTION DIAG_CONGLOMID(DBNAME VARCHAR(128), CONGLOMID INT)
 *       RETURNS VARCHAR(32000) RETURNS NULL ON NULL INPUT
 *       EXTERNAL NAME
 *       'org.apache.derby.impl.store.raw.data.D_DiagnosticUtil.diag_conglomid'
 *       LANGUAGE JAVA PARAMETER STYLE JAVA;
 *
 *       values DIAG_CONGLOMID('msgdb', 19);
 *          com.ibm.db2j.protocol.BasicServices.Diagnostic.T_Diagnosticable::
 *          diag_conglomid_print('msgdb', 19);
 *
 * RESOLVE - An interface that takes a table name would be nice.
 *
 * @param db_name   name of the database
 * @param conglomid conglomerate id of the conglomerate to debug
 *
 * @exception  StandardException  Standard exception policy.
 */
public static String diag_conglomid(String db_name, long conglomid) throws StandardException {
    String ret_string = null;
    AccessFactory store_module = null;
    store_module = (AccessFactory) getModuleFromDbName(db_name);
    if (store_module != null) {
        TransactionController tc = store_module.getTransaction(FileContainer.getContextService().getCurrentContextManager());
        ConglomerateController open_table = tc.openConglomerate(conglomid, false, 0, TransactionController.MODE_TABLE, TransactionController.ISOLATION_SERIALIZABLE);
        open_table.debugConglomerate();
        Diagnosticable diag_obj = DiagnosticUtil.findDiagnostic(open_table);
        ret_string = diag_obj.diag();
        open_table.close();
    } else {
        System.out.println("Could not find module for database: " + db_name);
    }
    return (ret_string);
}

Example 34 with ConglomerateController

use of org.apache.derby.iapi.store.access.ConglomerateController in project derby by apache.

the class TableScanResultSet method close.

/**
 * If the result set has been opened,
 * close the open scan.
 * @exception StandardException on error
 */
public void close() throws StandardException {
    beginTime = getCurrentTimeMillis();
    if (isOpen) {
        /*
			** If scan tracing is turned on, print information about this
			** TableScanResultSet when it is closed.
			*/
        if (SanityManager.DEBUG) {
            if (SanityManager.DEBUG_ON("ScanTrace")) {
            // traceClose();
            }
        }
        // we don't want to keep around a pointer to the
        // row ... so it can be thrown away.
        // REVISIT: does this need to be in a finally
        // block, to ensure that it is executed?
        clearCurrentRow();
        ;
        if (scanController != null) {
            // This is where we get the positioner info for inner tables
            if (runTimeStatisticsOn) {
                // This is where we get the scan properties for a subquery
                scanProperties = getScanProperties();
                startPositionString = printStartPosition();
                stopPositionString = printStopPosition();
            }
            scanController.close();
            // should not access after close
            scanController = null;
            // it in the first place (DERBY-4585).
            if (forUpdate && isKeyed) {
                activation.clearIndexScanInfo();
            }
        }
        scanControllerOpened = false;
        startPosition = null;
        stopPosition = null;
        super.close();
        if (indexCols != null) {
            ConglomerateController borrowedBaseCC = activation.getHeapConglomerateController();
            if (borrowedBaseCC != null) {
                borrowedBaseCC.close();
                activation.clearHeapConglomerateController();
            }
        }
        if (past2FutureTbl != null) {
            past2FutureTbl.close();
            past2FutureTbl = null;
        }
    } else if (SanityManager.DEBUG)
        SanityManager.DEBUG("CloseRepeatInfo", "Close of TableScanResultSet repeated");
    closeTime += getElapsedMillis(beginTime);
}

Example 35 with ConglomerateController

use of org.apache.derby.iapi.store.access.ConglomerateController in project derby by apache.

the class T_ConsistencyChecker method openIndexCC.

/* Open the index conglomerate for update */
private ConglomerateController openIndexCC() throws StandardException {
    ConglomerateController indexCC;
    indexCC = tc.openConglomerate(id.getConglomerateNumber(), false, // forUpdate
    TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_TABLE, TransactionController.ISOLATION_SERIALIZABLE);
    return indexCC;
}