Examples with QualifiedObjectName com.facebook.presto.common.QualifiedObjectName used on opensource projects

Example 36 with QualifiedObjectName

use of com.facebook.presto.common.QualifiedObjectName in project presto by prestodb.

the class RewriteSpatialPartitioningAggregation method apply.

@Override
public Result apply(AggregationNode node, Captures captures, Context context) {
    ImmutableMap.Builder<VariableReferenceExpression, Aggregation> aggregations = ImmutableMap.builder();
    VariableReferenceExpression partitionCountVariable = context.getVariableAllocator().newVariable("partition_count", INTEGER);
    ImmutableMap.Builder<VariableReferenceExpression, RowExpression> envelopeAssignments = ImmutableMap.builder();
    for (Map.Entry<VariableReferenceExpression, Aggregation> entry : node.getAggregations().entrySet()) {
        Aggregation aggregation = entry.getValue();
        QualifiedObjectName name = metadata.getFunctionAndTypeManager().getFunctionMetadata(aggregation.getFunctionHandle()).getName();
        Type geometryType = metadata.getType(GEOMETRY_TYPE_SIGNATURE);
        if (name.equals(NAME) && aggregation.getArguments().size() == 1) {
            RowExpression geometry = getOnlyElement(aggregation.getArguments());
            VariableReferenceExpression envelopeVariable = context.getVariableAllocator().newVariable(aggregation.getCall().getSourceLocation(), "envelope", geometryType);
            if (isFunctionNameMatch(geometry, "ST_Envelope")) {
                envelopeAssignments.put(envelopeVariable, geometry);
            } else {
                envelopeAssignments.put(envelopeVariable, castToRowExpression(new FunctionCall(QualifiedName.of("ST_Envelope"), ImmutableList.of(castToExpression(geometry)))));
            }
            aggregations.put(entry.getKey(), new Aggregation(new CallExpression(envelopeVariable.getSourceLocation(), name.getObjectName(), metadata.getFunctionAndTypeManager().lookupFunction(NAME.getObjectName(), fromTypes(geometryType, INTEGER)), entry.getKey().getType(), ImmutableList.of(castToRowExpression(asSymbolReference(envelopeVariable)), castToRowExpression(asSymbolReference(partitionCountVariable)))), Optional.empty(), Optional.empty(), false, aggregation.getMask()));
        } else {
            aggregations.put(entry);
        }
    }
    return Result.ofPlanNode(new AggregationNode(node.getSourceLocation(), node.getId(), new ProjectNode(context.getIdAllocator().getNextId(), node.getSource(), Assignments.builder().putAll(identitiesAsSymbolReferences(node.getSource().getOutputVariables())).put(partitionCountVariable, castToRowExpression(new LongLiteral(Integer.toString(getHashPartitionCount(context.getSession()))))).putAll(envelopeAssignments.build()).build()), aggregations.build(), node.getGroupingSets(), node.getPreGroupedVariables(), node.getStep(), node.getHashVariable(), node.getGroupIdVariable()));
}

Example 37 with QualifiedObjectName

use of com.facebook.presto.common.QualifiedObjectName in project presto by prestodb.

the class HiveFunctionNamespaceManager method createDummyHiveScalarFunction.

private HiveFunction createDummyHiveScalarFunction(String functionName) {
    QualifiedObjectName hiveFunctionName = QualifiedObjectName.valueOf(catalogName, "default", functionName);
    Signature signature = new Signature(hiveFunctionName, SCALAR, TypeSignature.parseTypeSignature("T"));
    return new DummyHiveScalarFunction(signature);
}

Example 38 with QualifiedObjectName

use of com.facebook.presto.common.QualifiedObjectName in project presto by prestodb.

the class CallTask method execute.

@Override
public ListenableFuture<?> execute(Call call, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, Session session, List<Expression> parameters, WarningCollector warningCollector) {
    if (!transactionManager.getTransactionInfo(session.getRequiredTransactionId()).isAutoCommitContext()) {
        throw new PrestoException(NOT_SUPPORTED, "Procedures cannot be called within a transaction (use autocommit mode)");
    }
    QualifiedObjectName procedureName = createQualifiedObjectName(session, call, call.getName());
    ConnectorId connectorId = metadata.getCatalogHandle(session, procedureName.getCatalogName()).orElseThrow(() -> new SemanticException(MISSING_CATALOG, call, "Catalog %s does not exist", procedureName.getCatalogName()));
    Procedure procedure = metadata.getProcedureRegistry().resolve(connectorId, toSchemaTableName(procedureName));
    // 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 new SemanticException(INVALID_PROCEDURE_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();
            if (names.put(name, argument) != null) {
                throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, argument, "Duplicate procedure argument: %s", name);
            }
            if (!positions.containsKey(name)) {
                throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, argument, "Unknown argument name: %s", name);
            }
        } else if (i < procedure.getArguments().size()) {
            names.put(procedure.getArguments().get(i).getName(), argument);
        } else {
            throw new SemanticException(INVALID_PROCEDURE_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 new SemanticException(INVALID_PROCEDURE_ARGUMENTS, call, format("Required procedure argument '%s' is missing", argument));
    });
    // get argument values
    Object[] values = new Object[procedure.getArguments().size()];
    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(parameters), callArgument.getValue());
        Type type = metadata.getType(argument.getType());
        checkCondition(type != null, INVALID_PROCEDURE_DEFINITION, "Unknown procedure argument type: %s", argument.getType());
        Object value = evaluateConstantExpression(expression, type, metadata, session, parameters);
        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, metadata.getType(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 PrestoException(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.isAssignableFrom(type)) {
            arguments.add(session.toConnectorSession(connectorId));
        } else {
            arguments.add(valuesIterator.next());
        }
    }
    try {
        procedure.getMethodHandle().invokeWithArguments(arguments);
    } catch (Throwable t) {
        if (t instanceof InterruptedException) {
            Thread.currentThread().interrupt();
        }
        throwIfInstanceOf(t, PrestoException.class);
        throw new PrestoException(PROCEDURE_CALL_FAILED, t);
    }
    return immediateFuture(null);
}

Example 39 with QualifiedObjectName

use of com.facebook.presto.common.QualifiedObjectName in project presto by prestodb.

the class CreateFunctionTask method createSqlInvokedFunction.

private SqlInvokedFunction createSqlInvokedFunction(CreateFunction statement, Metadata metadata, Analysis analysis) {
    QualifiedObjectName functionName = statement.isTemporary() ? QualifiedObjectName.valueOf(SESSION_NAMESPACE, statement.getFunctionName().getSuffix()) : qualifyObjectName(statement.getFunctionName());
    List<Parameter> parameters = statement.getParameters().stream().map(parameter -> new Parameter(parameter.getName().toString(), parseTypeSignature(parameter.getType()))).collect(toImmutableList());
    TypeSignature returnType = parseTypeSignature(statement.getReturnType());
    String description = statement.getComment().orElse("");
    RoutineCharacteristics routineCharacteristics = RoutineCharacteristics.builder().setLanguage(new RoutineCharacteristics.Language(statement.getCharacteristics().getLanguage().getLanguage())).setDeterminism(RoutineCharacteristics.Determinism.valueOf(statement.getCharacteristics().getDeterminism().name())).setNullCallClause(RoutineCharacteristics.NullCallClause.valueOf(statement.getCharacteristics().getNullCallClause().name())).build();
    RoutineBody body = statement.getBody();
    if (statement.getBody() instanceof Return) {
        Expression bodyExpression = ((Return) statement.getBody()).getExpression();
        Type bodyType = analysis.getType(bodyExpression);
        // Coerce expressions in body if necessary
        bodyExpression = ExpressionTreeRewriter.rewriteWith(new ExpressionRewriter<Void>() {

            @Override
            public Expression rewriteExpression(Expression expression, Void context, ExpressionTreeRewriter<Void> treeRewriter) {
                Expression rewritten = treeRewriter.defaultRewrite(expression, null);
                Type coercion = analysis.getCoercion(expression);
                if (coercion != null) {
                    return new Cast(rewritten, coercion.getTypeSignature().toString(), false, analysis.isTypeOnlyCoercion(expression));
                }
                return rewritten;
            }
        }, bodyExpression, null);
        if (!bodyType.equals(metadata.getType(returnType))) {
            // Casting is safe here, since we have verified at analysis time that the actual type of the body is coercible to declared return type.
            bodyExpression = new Cast(bodyExpression, statement.getReturnType());
        }
        body = new Return(bodyExpression);
    }
    return new SqlInvokedFunction(functionName, parameters, returnType, description, routineCharacteristics, formatSql(body, Optional.empty()), notVersioned());
}

Example 40 with QualifiedObjectName

use of com.facebook.presto.common.QualifiedObjectName in project presto by prestodb.

the class AddColumnTask method execute.

@Override
public ListenableFuture<?> execute(AddColumn statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, Session session, List<Expression> parameters, WarningCollector warningCollector) {
    QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getName());
    Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
    if (!tableHandle.isPresent()) {
        if (!statement.isTableExists()) {
            throw new SemanticException(MISSING_TABLE, statement, "Table '%s' does not exist", tableName);
        }
        return immediateFuture(null);
    }
    Optional<ConnectorMaterializedViewDefinition> optionalMaterializedView = metadata.getMaterializedView(session, tableName);
    if (optionalMaterializedView.isPresent()) {
        if (!statement.isTableExists()) {
            throw new SemanticException(NOT_SUPPORTED, statement, "'%s' is a materialized view, and add column is not supported", tableName);
        }
        return immediateFuture(null);
    }
    ConnectorId connectorId = metadata.getCatalogHandle(session, tableName.getCatalogName()).orElseThrow(() -> new PrestoException(NOT_FOUND, "Catalog does not exist: " + tableName.getCatalogName()));
    accessControl.checkCanAddColumns(session.getRequiredTransactionId(), session.getIdentity(), session.getAccessControlContext(), tableName);
    Map<String, ColumnHandle> columnHandles = metadata.getColumnHandles(session, tableHandle.get());
    ColumnDefinition element = statement.getColumn();
    Type type;
    try {
        type = metadata.getType(parseTypeSignature(element.getType()));
    } catch (IllegalArgumentException e) {
        throw new SemanticException(TYPE_MISMATCH, element, "Unknown type '%s' for column '%s'", element.getType(), element.getName());
    }
    if (type.equals(UNKNOWN)) {
        throw new SemanticException(TYPE_MISMATCH, element, "Unknown type '%s' for column '%s'", element.getType(), element.getName());
    }
    if (columnHandles.containsKey(element.getName().getValue().toLowerCase(ENGLISH))) {
        if (!statement.isColumnNotExists()) {
            throw new SemanticException(COLUMN_ALREADY_EXISTS, statement, "Column '%s' already exists", element.getName());
        }
        return immediateFuture(null);
    }
    if (!element.isNullable() && !metadata.getConnectorCapabilities(session, connectorId).contains(NOT_NULL_COLUMN_CONSTRAINT)) {
        throw new SemanticException(NOT_SUPPORTED, element, "Catalog '%s' does not support NOT NULL for column '%s'", connectorId.getCatalogName(), element.getName());
    }
    Map<String, Expression> sqlProperties = mapFromProperties(element.getProperties());
    Map<String, Object> columnProperties = metadata.getColumnPropertyManager().getProperties(connectorId, tableName.getCatalogName(), sqlProperties, session, metadata, parameters);
    ColumnMetadata column = new ColumnMetadata(element.getName().getValue(), type, element.isNullable(), element.getComment().orElse(null), null, false, columnProperties);
    metadata.addColumn(session, tableHandle.get(), column);
    return immediateFuture(null);
}