Examples with UniqueTupleDescriptor org.apache.derby.iapi.sql.dictionary.UniqueTupleDescriptor used on opensource projects

Example 1 with UniqueTupleDescriptor

use of org.apache.derby.iapi.sql.dictionary.UniqueTupleDescriptor in project derby by apache.

the class XMLOptTrace method formatPlanSummary.

/**
 * <p>
 * Produce a string representation of the plan being considered now.
 * The string has the following grammar:
 * </p>
 *
 * <pre>
 * join :== factor OP factor
 *
 * OP :== "*" | "#"
 *
 * factor :== factor | conglomerateName
 * </pre>
 */
private String formatPlanSummary(int[] planOrder, int planType) {
    try {
        OptimizerPlan plan = null;
        StringBuilder buffer = new StringBuilder();
        boolean avoidSort = (planType == Optimizer.SORT_AVOIDANCE_PLAN);
        // a negative optimizable number indicates the end of the plan
        int planLength = 0;
        for (; planLength < planOrder.length; planLength++) {
            if (planOrder[planLength] < 0) {
                break;
            }
        }
        for (int i = 0; i < planLength; i++) {
            int listIndex = planOrder[i];
            if (listIndex >= _currentQueryBlock.optimizableList.size()) {
                // should never happen!
                buffer.append("{ UNKNOWN LIST INDEX " + listIndex + " } ");
                continue;
            }
            Optimizable optimizable = _currentQueryBlock.optimizableList.getOptimizable(listIndex);
            AccessPath ap = avoidSort ? optimizable.getBestSortAvoidancePath() : optimizable.getBestAccessPath();
            JoinStrategy js = ap.getJoinStrategy();
            UniqueTupleDescriptor utd = OptimizerImpl.isTableFunction(optimizable) ? ((StaticMethodCallNode) ((FromVTI) ((ProjectRestrictNode) optimizable).getChildResult()).getMethodCall()).ad : ap.getConglomerateDescriptor();
            OptimizerPlan current = (utd == null) ? new OptimizerPlan.DeadEnd(getOptimizableName(optimizable).toString()) : OptimizerPlan.makeRowSource(utd, _lcc.getDataDictionary());
            if (plan != null) {
                current = new OptimizerPlan.Join(js, plan, current);
            }
            plan = current;
        }
        return plan.toString();
    } catch (Exception e) {
        return e.getMessage();
    }
}

Example 2 with UniqueTupleDescriptor

use of org.apache.derby.iapi.sql.dictionary.UniqueTupleDescriptor in project derby by apache.

the class SYSCOLUMNSRowFactory method buildDescriptor.

// /////////////////////////////////////////////////////////////////////////
// 
// ABSTRACT METHODS TO BE IMPLEMENTED BY CHILDREN OF CatalogRowFactory
// 
// /////////////////////////////////////////////////////////////////////////
/**
 * Make a ColumnDescriptor out of a SYSCOLUMNS row
 *
 * @param row 					a SYSCOLUMNS row
 * @param parentTupleDescriptor	The UniqueTupleDescriptor for the object that is tied
 *								to this column
 * @param dd 					dataDictionary
 *
 * @return	a column descriptor equivalent to a SYSCOLUMNS row
 *
 * @exception   StandardException thrown on failure
 */
public TupleDescriptor buildDescriptor(ExecRow row, TupleDescriptor parentTupleDescriptor, DataDictionary dd) throws StandardException {
    if (SanityManager.DEBUG) {
        int expectedCols = dd.checkVersion(DataDictionary.DD_VERSION_DERBY_10_14, null) ? SYSCOLUMNS_COLUMN_COUNT : (SYSCOLUMNS_COLUMN_COUNT - 1);
        SanityManager.ASSERT(row.nColumns() == expectedCols, "Wrong number of columns for a SYSCOLUMNS row");
    }
    int columnNumber;
    String columnName;
    String defaultID;
    DefaultInfoImpl defaultInfo = null;
    ColumnDescriptor colDesc;
    DataValueDescriptor defaultValue = null;
    UUID defaultUUID = null;
    UUID uuid = null;
    UUIDFactory uuidFactory = getUUIDFactory();
    long autoincStart, autoincInc, autoincValue;
    boolean autoincCycle = false;
    DataDescriptorGenerator ddg = dd.getDataDescriptorGenerator();
    /*
		** We're going to be getting the UUID for this sucka
		** so make sure it is a UniqueTupleDescriptor.
		*/
    if (parentTupleDescriptor != null) {
        if (SanityManager.DEBUG) {
            if (!(parentTupleDescriptor instanceof UniqueTupleDescriptor)) {
                SanityManager.THROWASSERT(parentTupleDescriptor.getClass().getName() + " not instanceof UniqueTupleDescriptor");
            }
        }
        uuid = ((UniqueTupleDescriptor) parentTupleDescriptor).getUUID();
    } else {
        /* 1st column is REFERENCEID (char(36)) */
        uuid = uuidFactory.recreateUUID(row.getColumn(SYSCOLUMNS_REFERENCEID).getString());
    }
    /* NOTE: We get columns 5 and 6 next in order to work around 
		 * a 1.3.0 HotSpot bug.  (#4361550)
		 */
    // 5th column is COLUMNDEFAULT (serialiazable)
    Object object = row.getColumn(SYSCOLUMNS_COLUMNDEFAULT).getObject();
    if (object instanceof DataValueDescriptor) {
        defaultValue = (DataValueDescriptor) object;
    } else if (object instanceof DefaultInfoImpl) {
        defaultInfo = (DefaultInfoImpl) object;
        defaultValue = defaultInfo.getDefaultValue();
    }
    /* 6th column is DEFAULTID (char(36)) */
    defaultID = row.getColumn(SYSCOLUMNS_COLUMNDEFAULTID).getString();
    if (defaultID != null) {
        defaultUUID = uuidFactory.recreateUUID(defaultID);
    }
    /* 2nd column is COLUMNNAME (varchar(128)) */
    columnName = row.getColumn(SYSCOLUMNS_COLUMNNAME).getString();
    /* 3rd column is COLUMNNUMBER (int) */
    columnNumber = row.getColumn(SYSCOLUMNS_COLUMNNUMBER).getInt();
    /* 4th column is COLUMNDATATYPE */
    /*
		** What is stored in the column is a TypeDescriptorImpl, which
		** points to a BaseTypeIdImpl.  These are simple types that are
		** intended to be movable to the client, so they don't have
		** the entire implementation.  We need to wrap them in DataTypeServices
		** and TypeId objects that contain the full implementations for
		** language processing.
		*/
    TypeDescriptor catalogType = (TypeDescriptor) row.getColumn(SYSCOLUMNS_COLUMNDATATYPE).getObject();
    DataTypeDescriptor dataTypeServices = DataTypeDescriptor.getType(catalogType);
    /* 7th column is AUTOINCREMENTVALUE (long) */
    autoincValue = row.getColumn(SYSCOLUMNS_AUTOINCREMENTVALUE).getLong();
    /* 8th column is AUTOINCREMENTSTART (long) */
    autoincStart = row.getColumn(SYSCOLUMNS_AUTOINCREMENTSTART).getLong();
    /* 9th column is AUTOINCREMENTINC (long) */
    autoincInc = row.getColumn(SYSCOLUMNS_AUTOINCREMENTINC).getLong();
    if (row.nColumns() >= 10) {
        DataValueDescriptor col = row.getColumn(SYSCOLUMNS_AUTOINCREMENTINCCYCLE);
        autoincCycle = col.getBoolean();
    }
    DataValueDescriptor col = row.getColumn(SYSCOLUMNS_AUTOINCREMENTSTART);
    autoincStart = col.getLong();
    col = row.getColumn(SYSCOLUMNS_AUTOINCREMENTINC);
    autoincInc = col.getLong();
    // Hard upgraded tables <=10.13 come with a false autoincCyle before they are first
    // explicitly set with cycle or no cycle command.
    colDesc = new ColumnDescriptor(columnName, columnNumber, dataTypeServices, defaultValue, defaultInfo, uuid, defaultUUID, autoincStart, autoincInc, autoincValue, autoincCycle);
    return colDesc;
}