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

Example 1 with CallArgument

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

the class CallTask method execute.

@Override
public ListenableFuture<Void> execute(Call call, QueryStateMachine stateMachine, List<Expression> parameters, WarningCollector warningCollector) {
    if (!transactionManager.isAutoCommit(stateMachine.getSession().getRequiredTransactionId())) {
        throw new TrinoException(NOT_SUPPORTED, "Procedures cannot be called within a transaction (use autocommit mode)");
    }
    Session session = stateMachine.getSession();
    QualifiedObjectName procedureName = createQualifiedObjectName(session, call, call.getName());
    CatalogName catalogName = plannerContext.getMetadata().getCatalogHandle(stateMachine.getSession(), procedureName.getCatalogName()).orElseThrow(() -> semanticException(CATALOG_NOT_FOUND, call, "Catalog '%s' does not exist", procedureName.getCatalogName()));
    Procedure procedure = procedureRegistry.resolve(catalogName, procedureName.asSchemaTableName());
    // map declared argument names to positions
    Map<String, Integer> positions = new HashMap<>();
    for (int i = 0; i < procedure.getArguments().size(); i++) {
        positions.put(procedure.getArguments().get(i).getName(), i);
    }
    // per specification, do not allow mixing argument types
    Predicate<CallArgument> hasName = argument -> argument.getName().isPresent();
    boolean anyNamed = call.getArguments().stream().anyMatch(hasName);
    boolean allNamed = call.getArguments().stream().allMatch(hasName);
    if (anyNamed && !allNamed) {
        throw semanticException(INVALID_ARGUMENTS, call, "Named and positional arguments cannot be mixed");
    }
    // get the argument names in call order
    Map<String, CallArgument> names = new LinkedHashMap<>();
    for (int i = 0; i < call.getArguments().size(); i++) {
        CallArgument argument = call.getArguments().get(i);
        if (argument.getName().isPresent()) {
            String name = argument.getName().get().getCanonicalValue();
            if (names.put(name, argument) != null) {
                throw semanticException(INVALID_ARGUMENTS, argument, "Duplicate procedure argument: %s", name);
            }
            if (!positions.containsKey(name)) {
                throw semanticException(INVALID_ARGUMENTS, argument, "Unknown argument name: %s", name);
            }
        } else if (i < procedure.getArguments().size()) {
            names.put(procedure.getArguments().get(i).getName(), argument);
        } else {
            throw semanticException(INVALID_ARGUMENTS, call, "Too many arguments for procedure");
        }
    }
    procedure.getArguments().stream().filter(Argument::isRequired).filter(argument -> !names.containsKey(argument.getName())).map(Argument::getName).findFirst().ifPresent(argument -> {
        throw semanticException(INVALID_ARGUMENTS, call, "Required procedure argument '%s' is missing", argument);
    });
    // get argument values
    Object[] values = new Object[procedure.getArguments().size()];
    Map<NodeRef<Parameter>, Expression> parameterLookup = parameterExtractor(call, parameters);
    for (Entry<String, CallArgument> entry : names.entrySet()) {
        CallArgument callArgument = entry.getValue();
        int index = positions.get(entry.getKey());
        Argument argument = procedure.getArguments().get(index);
        Expression expression = ExpressionTreeRewriter.rewriteWith(new ParameterRewriter(parameterLookup), callArgument.getValue());
        Type type = argument.getType();
        Object value = evaluateConstantExpression(expression, type, plannerContext, session, accessControl, parameterLookup);
        values[index] = toTypeObjectValue(session, type, value);
    }
    // fill values with optional arguments defaults
    for (int i = 0; i < procedure.getArguments().size(); i++) {
        Argument argument = procedure.getArguments().get(i);
        if (!names.containsKey(argument.getName())) {
            verify(argument.isOptional());
            values[i] = toTypeObjectValue(session, argument.getType(), argument.getDefaultValue());
        }
    }
    // validate arguments
    MethodType methodType = procedure.getMethodHandle().type();
    for (int i = 0; i < procedure.getArguments().size(); i++) {
        if ((values[i] == null) && methodType.parameterType(i).isPrimitive()) {
            String name = procedure.getArguments().get(i).getName();
            throw new TrinoException(INVALID_PROCEDURE_ARGUMENT, "Procedure argument cannot be null: " + name);
        }
    }
    // insert session argument
    List<Object> arguments = new ArrayList<>();
    Iterator<Object> valuesIterator = asList(values).iterator();
    for (Class<?> type : methodType.parameterList()) {
        if (ConnectorSession.class.equals(type)) {
            arguments.add(session.toConnectorSession(catalogName));
        } else if (ConnectorAccessControl.class.equals(type)) {
            arguments.add(new InjectedConnectorAccessControl(accessControl, session.toSecurityContext(), catalogName.getCatalogName()));
        } else {
            arguments.add(valuesIterator.next());
        }
    }
    accessControl.checkCanExecuteProcedure(session.toSecurityContext(), procedureName);
    stateMachine.setRoutines(ImmutableList.of(new RoutineInfo(procedureName.getObjectName(), session.getUser())));
    try {
        procedure.getMethodHandle().invokeWithArguments(arguments);
    } catch (Throwable t) {
        if (t instanceof InterruptedException) {
            Thread.currentThread().interrupt();
        }
        throwIfInstanceOf(t, TrinoException.class);
        throw new TrinoException(PROCEDURE_CALL_FAILED, t);
    }
    return immediateVoidFuture();
}

Example 2 with CallArgument

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

the class TestSqlParser method testTableExecute.

@Test
public void testTableExecute() {
    Table table = new Table(QualifiedName.of("foo"));
    Identifier procedure = new Identifier("bar");
    assertStatement("ALTER TABLE foo EXECUTE bar", new TableExecute(table, procedure, ImmutableList.of(), Optional.empty()));
    assertStatement("ALTER TABLE foo EXECUTE bar(bah => 1, wuh => 'clap') WHERE age > 17", new TableExecute(table, procedure, ImmutableList.of(new CallArgument(identifier("bah"), new LongLiteral("1")), new CallArgument(identifier("wuh"), new StringLiteral("clap"))), Optional.of(new ComparisonExpression(ComparisonExpression.Operator.GREATER_THAN, new Identifier("age"), new LongLiteral("17")))));
    assertStatement("ALTER TABLE foo EXECUTE bar(1, 'clap') WHERE age > 17", new TableExecute(table, procedure, ImmutableList.of(new CallArgument(new LongLiteral("1")), new CallArgument(new StringLiteral("clap"))), Optional.of(new ComparisonExpression(ComparisonExpression.Operator.GREATER_THAN, new Identifier("age"), new LongLiteral("17")))));
}

Example 3 with CallArgument

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

the class TestSqlParser method testCall.

@Test
public void testCall() {
    assertStatement("CALL foo()", new Call(QualifiedName.of("foo"), ImmutableList.of()));
    assertStatement("CALL foo(123, a => 1, b => 'go', 456)", new Call(QualifiedName.of("foo"), ImmutableList.of(new CallArgument(new LongLiteral("123")), new CallArgument(identifier("a"), new LongLiteral("1")), new CallArgument(identifier("b"), new StringLiteral("go")), new CallArgument(new LongLiteral("456")))));
}