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Example 71 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class TestBlackHoleSmoke method fieldLength.

@Test
public void fieldLength() {
    Session session = testSessionBuilder().setCatalog("blackhole").setSchema("default").build();
    assertThatQueryReturnsValue(format("CREATE TABLE nation WITH ( %s = 8, %s = 1, %s = 1, %s = 1 ) AS " + "SELECT nationkey, name, regionkey, comment, 'abc' short_varchar FROM tpch.tiny.nation", FIELD_LENGTH_PROPERTY, ROWS_PER_PAGE_PROPERTY, PAGES_PER_SPLIT_PROPERTY, SPLIT_COUNT_PROPERTY), 25L, session);
    MaterializedResult rows = queryRunner.execute(session, "SELECT * FROM nation");
    assertEquals(rows.getRowCount(), 1);
    MaterializedRow row = Iterables.getOnlyElement(rows);
    assertEquals(row.getFieldCount(), 5);
    assertEquals(row.getField(0), 0L);
    assertEquals(row.getField(1), "********");
    assertEquals(row.getField(2), 0L);
    assertEquals(row.getField(3), "********");
    // this one is shorter due to column type being VARCHAR(3)
    assertEquals(row.getField(4), "***");
    assertThatQueryReturnsValue("DROP TABLE nation", true);
}
Also used : MaterializedResult(com.facebook.presto.testing.MaterializedResult) MaterializedRow(com.facebook.presto.testing.MaterializedRow) Session(com.facebook.presto.Session) Test(org.testng.annotations.Test) BeforeTest(org.testng.annotations.BeforeTest) AfterTest(org.testng.annotations.AfterTest)

Example 72 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class CallTask method execute.

@Override
public ListenableFuture<?> execute(Call call, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    if (!stateMachine.isAutoCommit()) {
        throw new PrestoException(NOT_SUPPORTED, "Procedures cannot be called within a transaction (use autocommit mode)");
    }
    Session session = stateMachine.getSession();
    QualifiedObjectName procedureName = createQualifiedObjectName(session, call, call.getName());
    ConnectorId connectorId = metadata.getCatalogHandle(stateMachine.getSession(), procedureName.getCatalogName()).orElseThrow(() -> new SemanticException(MISSING_CATALOG, call, "Catalog %s does not exist", procedureName.getCatalogName()));
    Procedure procedure = metadata.getProcedureRegistry().resolve(connectorId, 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 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");
        }
    }
    // verify argument count
    if (names.size() < positions.size()) {
        throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, call, "Too few arguments for procedure");
    }
    // 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);
    }
    // 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();
        }
        propagateIfInstanceOf(t, PrestoException.class);
        throw new PrestoException(PROCEDURE_CALL_FAILED, t);
    }
    return immediateFuture(null);
}
Also used : ExpressionTreeRewriter(com.facebook.presto.sql.tree.ExpressionTreeRewriter) QualifiedObjectName(com.facebook.presto.metadata.QualifiedObjectName) ListenableFuture(com.google.common.util.concurrent.ListenableFuture) HashMap(java.util.HashMap) TypeUtils.writeNativeValue(com.facebook.presto.spi.type.TypeUtils.writeNativeValue) PrestoException(com.facebook.presto.spi.PrestoException) SemanticException(com.facebook.presto.sql.analyzer.SemanticException) ArrayList(java.util.ArrayList) LinkedHashMap(java.util.LinkedHashMap) MISSING_CATALOG(com.facebook.presto.sql.analyzer.SemanticErrorCode.MISSING_CATALOG) Type(com.facebook.presto.spi.type.Type) Arrays.asList(java.util.Arrays.asList) Map(java.util.Map) BlockBuilderStatus(com.facebook.presto.spi.block.BlockBuilderStatus) ExpressionInterpreter.evaluateConstantExpression(com.facebook.presto.sql.planner.ExpressionInterpreter.evaluateConstantExpression) INVALID_PROCEDURE_DEFINITION(com.facebook.presto.spi.StandardErrorCode.INVALID_PROCEDURE_DEFINITION) TransactionManager(com.facebook.presto.transaction.TransactionManager) Argument(com.facebook.presto.spi.procedure.Procedure.Argument) Failures.checkCondition(com.facebook.presto.util.Failures.checkCondition) Futures.immediateFuture(com.google.common.util.concurrent.Futures.immediateFuture) Iterator(java.util.Iterator) ParameterRewriter(com.facebook.presto.sql.planner.ParameterRewriter) Predicate(java.util.function.Predicate) Session(com.facebook.presto.Session) Throwables.propagateIfInstanceOf(com.google.common.base.Throwables.propagateIfInstanceOf) BlockBuilder(com.facebook.presto.spi.block.BlockBuilder) CallArgument(com.facebook.presto.sql.tree.CallArgument) ConnectorSession(com.facebook.presto.spi.ConnectorSession) INVALID_PROCEDURE_ARGUMENT(com.facebook.presto.spi.StandardErrorCode.INVALID_PROCEDURE_ARGUMENT) Procedure(com.facebook.presto.spi.procedure.Procedure) List(java.util.List) MethodType(java.lang.invoke.MethodType) Expression(com.facebook.presto.sql.tree.Expression) NOT_SUPPORTED(com.facebook.presto.spi.StandardErrorCode.NOT_SUPPORTED) MetadataUtil.createQualifiedObjectName(com.facebook.presto.metadata.MetadataUtil.createQualifiedObjectName) Entry(java.util.Map.Entry) ConnectorId(com.facebook.presto.connector.ConnectorId) Call(com.facebook.presto.sql.tree.Call) PROCEDURE_CALL_FAILED(com.facebook.presto.spi.StandardErrorCode.PROCEDURE_CALL_FAILED) INVALID_PROCEDURE_ARGUMENTS(com.facebook.presto.sql.analyzer.SemanticErrorCode.INVALID_PROCEDURE_ARGUMENTS) Metadata(com.facebook.presto.metadata.Metadata) AccessControl(com.facebook.presto.security.AccessControl) CallArgument(com.facebook.presto.sql.tree.CallArgument) Argument(com.facebook.presto.spi.procedure.Procedure.Argument) CallArgument(com.facebook.presto.sql.tree.CallArgument) ParameterRewriter(com.facebook.presto.sql.planner.ParameterRewriter) HashMap(java.util.HashMap) LinkedHashMap(java.util.LinkedHashMap) ArrayList(java.util.ArrayList) PrestoException(com.facebook.presto.spi.PrestoException) LinkedHashMap(java.util.LinkedHashMap) Procedure(com.facebook.presto.spi.procedure.Procedure) ConnectorId(com.facebook.presto.connector.ConnectorId) SemanticException(com.facebook.presto.sql.analyzer.SemanticException) MethodType(java.lang.invoke.MethodType) QualifiedObjectName(com.facebook.presto.metadata.QualifiedObjectName) MetadataUtil.createQualifiedObjectName(com.facebook.presto.metadata.MetadataUtil.createQualifiedObjectName) Type(com.facebook.presto.spi.type.Type) MethodType(java.lang.invoke.MethodType) ExpressionInterpreter.evaluateConstantExpression(com.facebook.presto.sql.planner.ExpressionInterpreter.evaluateConstantExpression) Expression(com.facebook.presto.sql.tree.Expression) Session(com.facebook.presto.Session) ConnectorSession(com.facebook.presto.spi.ConnectorSession)

Example 73 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class CreateSchemaTask method execute.

@Override
public ListenableFuture<?> execute(CreateSchema statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    Session session = stateMachine.getSession();
    CatalogSchemaName schema = createCatalogSchemaName(session, statement, Optional.of(statement.getSchemaName()));
    // TODO: validate that catalog exists
    accessControl.checkCanCreateSchema(session.getRequiredTransactionId(), session.getIdentity(), schema);
    if (metadata.schemaExists(session, schema)) {
        if (!statement.isNotExists()) {
            throw new SemanticException(SCHEMA_ALREADY_EXISTS, statement, "Schema '%s' already exists", schema);
        }
        return immediateFuture(null);
    }
    ConnectorId connectorId = metadata.getCatalogHandle(session, schema.getCatalogName()).orElseThrow(() -> new PrestoException(NOT_FOUND, "Catalog does not exist: " + schema.getCatalogName()));
    Map<String, Object> properties = metadata.getSchemaPropertyManager().getProperties(connectorId, schema.getCatalogName(), statement.getProperties(), session, metadata, parameters);
    metadata.createSchema(session, schema, properties);
    return immediateFuture(null);
}
Also used : CatalogSchemaName(com.facebook.presto.spi.CatalogSchemaName) MetadataUtil.createCatalogSchemaName(com.facebook.presto.metadata.MetadataUtil.createCatalogSchemaName) PrestoException(com.facebook.presto.spi.PrestoException) Session(com.facebook.presto.Session) SemanticException(com.facebook.presto.sql.analyzer.SemanticException) ConnectorId(com.facebook.presto.connector.ConnectorId)

Example 74 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class CreateViewTask method execute.

@Override
public ListenableFuture<?> execute(CreateView statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    Session session = stateMachine.getSession();
    QualifiedObjectName name = createQualifiedObjectName(session, statement, statement.getName());
    accessControl.checkCanCreateView(session.getRequiredTransactionId(), session.getIdentity(), name);
    String sql = getFormattedSql(statement.getQuery(), sqlParser, Optional.of(parameters));
    Analysis analysis = analyzeStatement(statement, session, metadata, accessControl, parameters);
    List<ViewColumn> columns = analysis.getOutputDescriptor(statement.getQuery()).getVisibleFields().stream().map(field -> new ViewColumn(field.getName().get(), field.getType())).collect(toImmutableList());
    String data = codec.toJson(new ViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, Optional.of(session.getUser())));
    metadata.createView(session, name, data, statement.isReplace());
    return immediateFuture(null);
}
Also used : QualifiedObjectName(com.facebook.presto.metadata.QualifiedObjectName) Futures.immediateFuture(com.google.common.util.concurrent.Futures.immediateFuture) Analyzer(com.facebook.presto.sql.analyzer.Analyzer) ListenableFuture(com.google.common.util.concurrent.ListenableFuture) ViewDefinition(com.facebook.presto.metadata.ViewDefinition) Session(com.facebook.presto.Session) SqlParser(com.facebook.presto.sql.parser.SqlParser) FeaturesConfig(com.facebook.presto.sql.analyzer.FeaturesConfig) Inject(javax.inject.Inject) SqlFormatterUtil.getFormattedSql(com.facebook.presto.sql.SqlFormatterUtil.getFormattedSql) List(java.util.List) Expression(com.facebook.presto.sql.tree.Expression) MetadataUtil.createQualifiedObjectName(com.facebook.presto.metadata.MetadataUtil.createQualifiedObjectName) ViewColumn(com.facebook.presto.metadata.ViewDefinition.ViewColumn) Objects.requireNonNull(java.util.Objects.requireNonNull) Analysis(com.facebook.presto.sql.analyzer.Analysis) Optional(java.util.Optional) ImmutableCollectors.toImmutableList(com.facebook.presto.util.ImmutableCollectors.toImmutableList) TransactionManager(com.facebook.presto.transaction.TransactionManager) Metadata(com.facebook.presto.metadata.Metadata) AccessControl(com.facebook.presto.security.AccessControl) CreateView(com.facebook.presto.sql.tree.CreateView) Statement(com.facebook.presto.sql.tree.Statement) JsonCodec(io.airlift.json.JsonCodec) Analysis(com.facebook.presto.sql.analyzer.Analysis) ViewColumn(com.facebook.presto.metadata.ViewDefinition.ViewColumn) ViewDefinition(com.facebook.presto.metadata.ViewDefinition) QualifiedObjectName(com.facebook.presto.metadata.QualifiedObjectName) MetadataUtil.createQualifiedObjectName(com.facebook.presto.metadata.MetadataUtil.createQualifiedObjectName) Session(com.facebook.presto.Session)

Example 75 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class DropTableTask method execute.

@Override
public ListenableFuture<?> execute(DropTable statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    Session session = stateMachine.getSession();
    QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getTableName());
    Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
    if (!tableHandle.isPresent()) {
        if (!statement.isExists()) {
            throw new SemanticException(MISSING_TABLE, statement, "Table '%s' does not exist", tableName);
        }
        return immediateFuture(null);
    }
    accessControl.checkCanDropTable(session.getRequiredTransactionId(), session.getIdentity(), tableName);
    metadata.dropTable(session, tableHandle.get());
    return immediateFuture(null);
}
Also used : TableHandle(com.facebook.presto.metadata.TableHandle) QualifiedObjectName(com.facebook.presto.metadata.QualifiedObjectName) MetadataUtil.createQualifiedObjectName(com.facebook.presto.metadata.MetadataUtil.createQualifiedObjectName) Session(com.facebook.presto.Session) SemanticException(com.facebook.presto.sql.analyzer.SemanticException)

Aggregations

Session (com.facebook.presto.Session)121 Test (org.testng.annotations.Test)61 QueryId (com.facebook.presto.spi.QueryId)21 MaterializedResult (com.facebook.presto.testing.MaterializedResult)20 SemanticException (com.facebook.presto.sql.analyzer.SemanticException)19 PrestoException (com.facebook.presto.spi.PrestoException)17 TransactionManager (com.facebook.presto.transaction.TransactionManager)16 AccessControl (com.facebook.presto.security.AccessControl)15 AllowAllAccessControl (com.facebook.presto.security.AllowAllAccessControl)14 TransactionManager.createTestTransactionManager (com.facebook.presto.transaction.TransactionManager.createTestTransactionManager)14 QualifiedObjectName (com.facebook.presto.metadata.QualifiedObjectName)13 AccessControlManager (com.facebook.presto.security.AccessControlManager)13 ConnectorId (com.facebook.presto.connector.ConnectorId)12 LocalQueryRunner (com.facebook.presto.testing.LocalQueryRunner)12 Type (com.facebook.presto.spi.type.Type)11 List (java.util.List)11 TableHandle (com.facebook.presto.metadata.TableHandle)10 TpchConnectorFactory (com.facebook.presto.tpch.TpchConnectorFactory)10 Optional (java.util.Optional)10 ColumnHandle (com.facebook.presto.spi.ColumnHandle)9