Examples of AbstractExpression

com.agical.rmock.core.match.operator.AbstractExpression
eu.bitfish.jcf.common.expression.AbstractExpression
Common super class for all expression types. @author Michael Sieber
org.eclipse.persistence.jpa.internal.jpql.parser.AbstractExpression
This is the abstract definition of all the parts used to create the tree hierarchy representing the parsed JPQL query. It has the core of the parsing engine and of the content assist behavior (retrieval of the possible {@link ExpressionFactory expression factories}). @see ExpressionFactory @see StringExpression @version 2.3 @since 2.3 @author Pascal Filion
org.eclipse.persistence.jpa.jpql.parser.AbstractExpression
This is the abstract definition of all the parts used to create the tree hierarchy representing the parsed JPQL query. @see ExpressionFactory @see JPQLGrammar @version 2.4.2 @since 2.3 @author Pascal Filion
org.neo4j.cypherdsl.query.AbstractExpression
Common methods for all expressions
org.voltdb.expressions.AbstractExpression

Examples of org.voltdb.expressions.AbstractExpression

                traverse(exp.getLeft());
            }
            if (exp.getRight() != null) {
                traverse(exp.getRight());
            }
            AbstractExpression check_exp = m_stack.pop();
            assert(exp.equals(check_exp));
            callback(exp);
            m_depth--;
        }

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Examples of org.voltdb.expressions.AbstractExpression

        /**
         * Returns the parent of the current node in callback()
         * @return
         */
        protected final AbstractExpression getParent() {
            AbstractExpression ret = null;
            if (!m_stack.isEmpty()) ret = m_stack.peek();
            return ret;
        }

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Examples of org.voltdb.expressions.AbstractExpression


    private final PlannerContext context = PlannerContext.singleton();
    
    @Test
    public void testDuplicateColumns() {
        AbstractExpression expression = new NullValueExpression();
        String columnName = "TABLEA.A_ID";
        SortOrder sortOrder = SortOrder.kUnsorted;
        Storage storage = Storage.kTemporary;
        
        PlanColumn col0 = context.getPlanColumn(expression, columnName, sortOrder, storage);
        assertNotNull(col0);
//        System.err.println(col0 + " ==> " + col0.hashCode());
        
        PlanColumn col1 = context.getPlanColumn(expression, columnName, sortOrder, storage);
        assertNotNull(col1);
//        System.err.println(col1 + " ==> " + col1.hashCode());
        assertEquals(col0.hashCode(), col1.hashCode());
        assertEquals(col0.getDisplayName(), col1.getDisplayName());
        assertEquals(col0.getSortOrder(), col1.getSortOrder());
        assertEquals(col0.getStorage(), col1.getStorage());
        assert(ExpressionUtil.equals(col0.getExpression(), col1.getExpression()));
        assertEquals(col0, col1);
        
        expression.setLeft(new NullValueExpression());
        PlanColumn col2 = context.getPlanColumn(expression, columnName, sortOrder, storage);
        assertNotNull(col2);
//        System.err.println(col2 + " ==> " + col2.hashCode());
        assertNotSame(col0.hashCode(), col2.hashCode());
        assertEquals(col0.getDisplayName(), col2.getDisplayName());

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Examples of org.voltdb.expressions.AbstractExpression


        final Set<Column> columns = new ListOrderedSet<Column>();
        for (Integer column_guid : planColumnIds) {
            PlanColumn planColumn = pcontext.get(column_guid);
            assert (planColumn != null);
            AbstractExpression exp = planColumn.getExpression();
            assert (exp != null);
            Collection<Column> exp_cols = ExpressionUtil.getReferencedColumns(catalog_db, exp);
            if (debug.val)
                LOG.debug(planColumn.toString() + " => " + exp_cols);
            columns.addAll(exp_cols);

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Examples of org.voltdb.expressions.AbstractExpression


        final Collection<AbstractExpression> exps = new ListOrderedSet<AbstractExpression>();
        for (Integer column_guid : planColumnIds) {
            PlanColumn planColumn = pcontext.get(column_guid);
            assert (planColumn != null);
            AbstractExpression exp = planColumn.getExpression();
            assert (exp != null);
            exps.add(exp);
        } // FOR


        return (exps);

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Examples of org.voltdb.expressions.AbstractExpression

     * @param exptree
     * @return
     * @throws Exception
     */
    public static AbstractExpression deserializeExpression(Database catalog_db, String exptree) throws Exception {
        AbstractExpression exp = null;
        if (exptree != null && !exptree.isEmpty()) {
            JSONObject json_obj = new JSONObject(Encoder.hexDecodeToString(exptree));
            exp = AbstractExpression.fromJSONObject(json_obj, catalog_db);
        }
        return (exp);

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Examples of org.voltdb.expressions.AbstractExpression

            int num_cols = clone_node.getOutputColumnGUIDCount() - (has_weightedAvg ? 1 : 0);
            for (int i = 0; i < num_cols; i++) {
                Integer aggOutput = clone_node.getOutputColumnGUID(i);
                PlanColumn planCol = state.plannerContext.get(aggOutput);
                assert (planCol != null);
                AbstractExpression exp = planCol.getExpression();
                assert (exp != null);
                Collection<String> refTables = ExpressionUtil.getReferencedTableNames(exp);
                assert (refTables != null);
                if (refTables.size() == 1 && refTables.contains(PlanAssembler.AGGREGATE_TEMP_TABLE)) {
                    node.getAggregateColumnGuids().add(planCol.guid());

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Examples of org.voltdb.expressions.AbstractExpression

        // cover as much of the index as possible with expressions that use
        // index columns
        for (ColumnRef colRef : CatalogUtil.getSortedCatalogItems(index.getColumns(), "index")) {
            Column col = colRef.getColumn();
            if (eqColumns.containsKey(col) && (eqColumns.get(col).size() >= 0)) {
                AbstractExpression expr = eqColumns.get(col).remove(0);
                retval.indexExprs.add(expr);
                retval.endExprs.add(expr);
            } else {
                if (gtColumns.containsKey(col) && (gtColumns.get(col).size() >= 0)) {
                    AbstractExpression expr = gtColumns.get(col).remove(0);
                    if (retval.sortDirection != SortDirectionType.DESC)
                        retval.indexExprs.add(expr);
                    if (retval.sortDirection != SortDirectionType.ASC)
                        retval.endExprs.add(expr);


                    if (expr.getExpressionType() == ExpressionType.COMPARE_GREATERTHAN)
                        retval.lookupType = IndexLookupType.GT;
                    else if (expr.getExpressionType() == ExpressionType.COMPARE_GREATERTHANOREQUALTO) {
                        retval.lookupType = IndexLookupType.GTE;
                    } else
                        assert (false);


                    retval.use = IndexUseType.INDEX_SCAN;
                }


                if (ltColumns.containsKey(col) && (ltColumns.get(col).size() >= 0)) {
                    AbstractExpression expr = ltColumns.get(col).remove(0);
                    retval.endExprs.add(expr);
                    retval.use = IndexUseType.INDEX_SCAN;
                }


                // if we didn't find an equality match, we can stop looking

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Examples of org.voltdb.expressions.AbstractExpression


        // build the list of search-keys for the index in question
        IndexScanPlanNode scanNode = new IndexScanPlanNode(m_context, PlanAssembler.getNextPlanNodeId());
        List<AbstractExpression> searchKeys = scanNode.getSearchKeyExpressions();
        for (AbstractExpression expr : path.indexExprs) {
            AbstractExpression expr2 = ExpressionUtil.getOtherTableExpression(expr, table.getTypeName());
            assert(expr2 != null);
            searchKeys.add(expr2);
        }


        // create the IndexScanNode with all its metadata

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Examples of org.voltdb.expressions.AbstractExpression

     * @param exprs The predicate components.
     * @return A scan plan node or multi-site graph to get the distributed version of a scan.
     */
    protected AbstractPlanNode getScanAccessPlanForTable(Table table, ArrayList<AbstractExpression> exprs) {
        // build the predicate
        AbstractExpression localWhere = null;
        if ((exprs != null) && (exprs.isEmpty() == false))
            localWhere = ExpressionUtil.combine(exprs);


        // build the scan node
        SeqScanPlanNode scanNode = new SeqScanPlanNode(m_context, PlanAssembler.getNextPlanNodeId());

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