Examples with NodeRef io.trino.sql.tree.NodeRef used on opensource projects

Example 16 with NodeRef

use of io.trino.sql.tree.NodeRef in project trino by trinodb.

the class TableProceduresPropertyManager method getProperties.

public Map<String, Object> getProperties(CatalogName catalog, String procedureName, Map<String, Expression> sqlPropertyValues, Session session, PlannerContext plannerContext, AccessControl accessControl, Map<NodeRef<Parameter>, Expression> parameters) {
    Map<String, PropertyMetadata<?>> supportedProperties = connectorProperties.get(new Key(catalog, procedureName));
    if (supportedProperties == null) {
        throw new TrinoException(NOT_FOUND, format("Catalog '%s' table procedure '%s' property not found", catalog, procedureName));
    }
    Map<String, Optional<Object>> propertyValues = evaluateProperties(sqlPropertyValues.entrySet().stream().map(entry -> new Property(new Identifier(entry.getKey()), entry.getValue())).collect(toImmutableList()), session, plannerContext, accessControl, parameters, true, supportedProperties, INVALID_PROCEDURE_ARGUMENT, format("catalog '%s' table procedure '%s' property", catalog, procedureName));
    return propertyValues.entrySet().stream().filter(entry -> entry.getValue().isPresent()).collect(toImmutableMap(Entry::getKey, entry -> entry.getValue().orElseThrow()));
}

Example 17 with NodeRef

use of io.trino.sql.tree.NodeRef in project trino by trinodb.

the class PushProjectionIntoTableScan method apply.

@Override
public Result apply(ProjectNode project, Captures captures, Context context) {
    TableScanNode tableScan = captures.get(TABLE_SCAN);
    // Extract translatable components from projection expressions. Prepare a mapping from these internal
    // expression nodes to corresponding ConnectorExpression translations.
    Map<NodeRef<Expression>, ConnectorExpression> partialTranslations = project.getAssignments().getMap().entrySet().stream().flatMap(expression -> extractPartialTranslations(expression.getValue(), context.getSession(), typeAnalyzer, context.getSymbolAllocator().getTypes(), plannerContext).entrySet().stream()).collect(toImmutableMap(Map.Entry::getKey, Map.Entry::getValue, (first, ignore) -> first));
    List<NodeRef<Expression>> nodesForPartialProjections = ImmutableList.copyOf(partialTranslations.keySet());
    List<ConnectorExpression> connectorPartialProjections = ImmutableList.copyOf(partialTranslations.values());
    Map<String, Symbol> inputVariableMappings = tableScan.getAssignments().keySet().stream().collect(toImmutableMap(Symbol::getName, identity()));
    Map<String, ColumnHandle> assignments = inputVariableMappings.entrySet().stream().collect(toImmutableMap(Entry::getKey, entry -> tableScan.getAssignments().get(entry.getValue())));
    Optional<ProjectionApplicationResult<TableHandle>> result = plannerContext.getMetadata().applyProjection(context.getSession(), tableScan.getTable(), connectorPartialProjections, assignments);
    if (result.isEmpty()) {
        return Result.empty();
    }
    List<ConnectorExpression> newConnectorPartialProjections = result.get().getProjections();
    checkState(newConnectorPartialProjections.size() == connectorPartialProjections.size(), "Mismatch between input and output projections from the connector: expected %s but got %s", connectorPartialProjections.size(), newConnectorPartialProjections.size());
    List<Symbol> newScanOutputs = new ArrayList<>();
    Map<Symbol, ColumnHandle> newScanAssignments = new HashMap<>();
    Map<String, Symbol> variableMappings = new HashMap<>();
    for (Assignment assignment : result.get().getAssignments()) {
        Symbol symbol = context.getSymbolAllocator().newSymbol(assignment.getVariable(), assignment.getType());
        newScanOutputs.add(symbol);
        newScanAssignments.put(symbol, assignment.getColumn());
        variableMappings.put(assignment.getVariable(), symbol);
    }
    // Translate partial connector projections back to new partial projections
    List<Expression> newPartialProjections = newConnectorPartialProjections.stream().map(expression -> ConnectorExpressionTranslator.translate(context.getSession(), expression, plannerContext, variableMappings, new LiteralEncoder(plannerContext))).collect(toImmutableList());
    // Map internal node references to new partial projections
    ImmutableMap.Builder<NodeRef<Expression>, Expression> nodesToNewPartialProjectionsBuilder = ImmutableMap.builder();
    for (int i = 0; i < nodesForPartialProjections.size(); i++) {
        nodesToNewPartialProjectionsBuilder.put(nodesForPartialProjections.get(i), newPartialProjections.get(i));
    }
    Map<NodeRef<Expression>, Expression> nodesToNewPartialProjections = nodesToNewPartialProjectionsBuilder.buildOrThrow();
    // Stitch partial translations to form new complete projections
    Assignments.Builder newProjectionAssignments = Assignments.builder();
    project.getAssignments().entrySet().forEach(entry -> {
        newProjectionAssignments.put(entry.getKey(), replaceExpression(entry.getValue(), nodesToNewPartialProjections));
    });
    Optional<PlanNodeStatsEstimate> newStatistics = tableScan.getStatistics().map(statistics -> {
        PlanNodeStatsEstimate.Builder builder = PlanNodeStatsEstimate.builder();
        builder.setOutputRowCount(statistics.getOutputRowCount());
        for (int i = 0; i < connectorPartialProjections.size(); i++) {
            ConnectorExpression inputConnectorExpression = connectorPartialProjections.get(i);
            ConnectorExpression resultConnectorExpression = newConnectorPartialProjections.get(i);
            if (!(resultConnectorExpression instanceof Variable)) {
                continue;
            }
            String resultVariableName = ((Variable) resultConnectorExpression).getName();
            Expression inputExpression = ConnectorExpressionTranslator.translate(context.getSession(), inputConnectorExpression, plannerContext, inputVariableMappings, new LiteralEncoder(plannerContext));
            SymbolStatsEstimate symbolStatistics = scalarStatsCalculator.calculate(inputExpression, statistics, context.getSession(), context.getSymbolAllocator().getTypes());
            builder.addSymbolStatistics(variableMappings.get(resultVariableName), symbolStatistics);
        }
        return builder.build();
    });
    verifyTablePartitioning(context, tableScan, result.get().getHandle());
    return Result.ofPlanNode(new ProjectNode(context.getIdAllocator().getNextId(), new TableScanNode(tableScan.getId(), result.get().getHandle(), newScanOutputs, newScanAssignments, TupleDomain.all(), newStatistics, tableScan.isUpdateTarget(), tableScan.getUseConnectorNodePartitioning()), newProjectionAssignments.build()));
}

Example 18 with NodeRef

use of io.trino.sql.tree.NodeRef in project trino by trinodb.

the class BenchmarkPageProcessor2 method rowExpression.

private RowExpression rowExpression(String value) {
    Expression expression = createExpression(value, PLANNER_CONTEXT, TypeProvider.copyOf(symbolTypes));
    Map<NodeRef<Expression>, Type> expressionTypes = TYPE_ANALYZER.getTypes(TEST_SESSION, TypeProvider.copyOf(symbolTypes), expression);
    return SqlToRowExpressionTranslator.translate(expression, expressionTypes, sourceLayout, PLANNER_CONTEXT.getMetadata(), PLANNER_CONTEXT.getFunctionManager(), TEST_SESSION, true);
}

Example 19 with NodeRef

use of io.trino.sql.tree.NodeRef in project trino by trinodb.

the class TestExpressionInterpreter method evaluate.

private static Object evaluate(Expression expression) {
    Map<NodeRef<Expression>, Type> expressionTypes = getTypes(TEST_SESSION, PLANNER_CONTEXT, SYMBOL_TYPES, expression);
    ExpressionInterpreter interpreter = new ExpressionInterpreter(expression, PLANNER_CONTEXT, TEST_SESSION, expressionTypes);
    return interpreter.evaluate(INPUTS);
}

Example 20 with NodeRef

use of io.trino.sql.tree.NodeRef in project trino by trinodb.

the class TestSqlToRowExpressionTranslator method testPossibleExponentialOptimizationTime.

@Test(timeOut = 10_000)
public void testPossibleExponentialOptimizationTime() {
    Expression expression = new LongLiteral("1");
    ImmutableMap.Builder<NodeRef<Expression>, Type> types = ImmutableMap.builder();
    types.put(NodeRef.of(expression), BIGINT);
    for (int i = 0; i < 100; i++) {
        expression = new CoalesceExpression(expression, new LongLiteral("2"));
        types.put(NodeRef.of(expression), BIGINT);
    }
    translateAndOptimize(expression, types.buildOrThrow());
}