Examples with ViewDefinition io.trino.metadata.ViewDefinition used on opensource projects

Example 1 with ViewDefinition

use of io.trino.metadata.ViewDefinition in project trino by trinodb.

the class InternalMetadataProvider method getRelationMetadata.

@Override
public Optional<ConnectorTableSchema> getRelationMetadata(ConnectorSession connectorSession, CatalogSchemaTableName tableName) {
    Session session = ((FullConnectorSession) connectorSession).getSession();
    QualifiedObjectName qualifiedName = new QualifiedObjectName(tableName.getCatalogName(), tableName.getSchemaTableName().getSchemaName(), tableName.getSchemaTableName().getTableName());
    Optional<MaterializedViewDefinition> materializedView = metadataManager.getMaterializedView(session, qualifiedName);
    if (materializedView.isPresent()) {
        return Optional.of(new ConnectorTableSchema(tableName.getSchemaTableName(), toColumnSchema(materializedView.get().getColumns())));
    }
    Optional<ViewDefinition> view = metadataManager.getView(session, qualifiedName);
    if (view.isPresent()) {
        return Optional.of(new ConnectorTableSchema(tableName.getSchemaTableName(), toColumnSchema(view.get().getColumns())));
    }
    Optional<TableHandle> tableHandle = metadataManager.getTableHandle(session, qualifiedName);
    if (tableHandle.isPresent()) {
        return Optional.of(metadataManager.getTableSchema(session, tableHandle.get()).getTableSchema());
    }
    return Optional.empty();
}

Example 2 with ViewDefinition

use of io.trino.metadata.ViewDefinition in project trino by trinodb.

the class SetViewAuthorizationTask method execute.

@Override
public ListenableFuture<Void> execute(SetViewAuthorization statement, QueryStateMachine stateMachine, List<Expression> parameters, WarningCollector warningCollector) {
    Session session = stateMachine.getSession();
    QualifiedObjectName viewName = createQualifiedObjectName(session, statement, statement.getSource());
    getRequiredCatalogHandle(metadata, session, statement, viewName.getCatalogName());
    ViewDefinition view = metadata.getView(session, viewName).orElseThrow(() -> semanticException(TABLE_NOT_FOUND, statement, "View '%s' does not exist", viewName));
    TrinoPrincipal principal = createPrincipal(statement.getPrincipal());
    checkRoleExists(session, statement, metadata, principal, Optional.of(viewName.getCatalogName()).filter(catalog -> metadata.isCatalogManagedSecurity(session, catalog)));
    if (!view.isRunAsInvoker() && !isAllowSetViewAuthorization) {
        throw new TrinoException(NOT_SUPPORTED, format("Cannot set authorization for view %s to %s: this feature is disabled", viewName.getCatalogName() + '.' + viewName.getSchemaName() + '.' + viewName.getObjectName(), principal));
    }
    accessControl.checkCanSetViewAuthorization(session.toSecurityContext(), viewName, principal);
    metadata.setViewAuthorization(session, viewName.asCatalogSchemaTableName(), principal);
    return immediateVoidFuture();
}

Example 3 with ViewDefinition

use of io.trino.metadata.ViewDefinition in project trino by trinodb.

the class TestAnalyzer method setup.

@BeforeClass
public void setup() {
    LocalQueryRunner queryRunner = LocalQueryRunner.create(TEST_SESSION);
    closer.register(queryRunner);
    transactionManager = queryRunner.getTransactionManager();
    AccessControlManager accessControlManager = new AccessControlManager(transactionManager, emptyEventListenerManager(), new AccessControlConfig(), DefaultSystemAccessControl.NAME);
    accessControlManager.setSystemAccessControls(List.of(AllowAllSystemAccessControl.INSTANCE));
    this.accessControl = accessControlManager;
    queryRunner.addFunctions(InternalFunctionBundle.builder().functions(APPLY_FUNCTION).build());
    plannerContext = queryRunner.getPlannerContext();
    Metadata metadata = plannerContext.getMetadata();
    TestingMetadata testingConnectorMetadata = new TestingMetadata();
    TestingConnector connector = new TestingConnector(testingConnectorMetadata);
    queryRunner.createCatalog(TPCH_CATALOG, new StaticConnectorFactory("main", connector), ImmutableMap.of());
    tablePropertyManager = queryRunner.getTablePropertyManager();
    analyzePropertyManager = queryRunner.getAnalyzePropertyManager();
    queryRunner.createCatalog(SECOND_CATALOG, MockConnectorFactory.create("second"), ImmutableMap.of());
    queryRunner.createCatalog(THIRD_CATALOG, MockConnectorFactory.create("third"), ImmutableMap.of());
    SchemaTableName table1 = new SchemaTableName("s1", "t1");
    inSetupTransaction(session -> metadata.createTable(session, TPCH_CATALOG, new ConnectorTableMetadata(table1, ImmutableList.of(new ColumnMetadata("a", BIGINT), new ColumnMetadata("b", BIGINT), new ColumnMetadata("c", BIGINT), new ColumnMetadata("d", BIGINT))), false));
    SchemaTableName table2 = new SchemaTableName("s1", "t2");
    inSetupTransaction(session -> metadata.createTable(session, TPCH_CATALOG, new ConnectorTableMetadata(table2, ImmutableList.of(new ColumnMetadata("a", BIGINT), new ColumnMetadata("b", BIGINT))), false));
    SchemaTableName table3 = new SchemaTableName("s1", "t3");
    inSetupTransaction(session -> metadata.createTable(session, TPCH_CATALOG, new ConnectorTableMetadata(table3, ImmutableList.of(new ColumnMetadata("a", BIGINT), new ColumnMetadata("b", BIGINT), new ColumnMetadata("x", BIGINT, null, true))), false));
    // table in different catalog
    SchemaTableName table4 = new SchemaTableName("s2", "t4");
    inSetupTransaction(session -> metadata.createTable(session, SECOND_CATALOG, new ConnectorTableMetadata(table4, ImmutableList.of(new ColumnMetadata("a", BIGINT))), false));
    // table with a hidden column
    SchemaTableName table5 = new SchemaTableName("s1", "t5");
    inSetupTransaction(session -> metadata.createTable(session, TPCH_CATALOG, new ConnectorTableMetadata(table5, ImmutableList.of(new ColumnMetadata("a", BIGINT), new ColumnMetadata("b", BIGINT, null, true))), false));
    // table with a varchar column
    SchemaTableName table6 = new SchemaTableName("s1", "t6");
    inSetupTransaction(session -> metadata.createTable(session, TPCH_CATALOG, new ConnectorTableMetadata(table6, ImmutableList.of(new ColumnMetadata("a", BIGINT), new ColumnMetadata("b", VARCHAR), new ColumnMetadata("c", BIGINT), new ColumnMetadata("d", BIGINT))), false));
    // table with bigint, double, array of bigints and array of doubles column
    SchemaTableName table7 = new SchemaTableName("s1", "t7");
    inSetupTransaction(session -> metadata.createTable(session, TPCH_CATALOG, new ConnectorTableMetadata(table7, ImmutableList.of(new ColumnMetadata("a", BIGINT), new ColumnMetadata("b", DOUBLE), new ColumnMetadata("c", new ArrayType(BIGINT)), new ColumnMetadata("d", new ArrayType(DOUBLE)))), false));
    // materialized view referencing table in same schema
    MaterializedViewDefinition materializedViewData1 = new MaterializedViewDefinition("select a from t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.of("comment"), Identity.ofUser("user"), Optional.empty(), ImmutableMap.of());
    inSetupTransaction(session -> metadata.createMaterializedView(session, new QualifiedObjectName(TPCH_CATALOG, "s1", "mv1"), materializedViewData1, false, true));
    // valid view referencing table in same schema
    ViewDefinition viewData1 = new ViewDefinition("select a from t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.of("comment"), Optional.of(Identity.ofUser("user")));
    inSetupTransaction(session -> metadata.createView(session, new QualifiedObjectName(TPCH_CATALOG, "s1", "v1"), viewData1, false));
    // stale view (different column type)
    ViewDefinition viewData2 = new ViewDefinition("select a from t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", VARCHAR.getTypeId())), Optional.of("comment"), Optional.of(Identity.ofUser("user")));
    inSetupTransaction(session -> metadata.createView(session, new QualifiedObjectName(TPCH_CATALOG, "s1", "v2"), viewData2, false));
    // view referencing table in different schema from itself and session
    ViewDefinition viewData3 = new ViewDefinition("select a from t4", Optional.of(SECOND_CATALOG), Optional.of("s2"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.of("comment"), Optional.of(Identity.ofUser("owner")));
    inSetupTransaction(session -> metadata.createView(session, new QualifiedObjectName(THIRD_CATALOG, "s3", "v3"), viewData3, false));
    // valid view with uppercase column name
    ViewDefinition viewData4 = new ViewDefinition("select A from t1", Optional.of("tpch"), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.of("comment"), Optional.of(Identity.ofUser("user")));
    inSetupTransaction(session -> metadata.createView(session, new QualifiedObjectName("tpch", "s1", "v4"), viewData4, false));
    // recursive view referencing to itself
    ViewDefinition viewData5 = new ViewDefinition("select * from v5", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.of("comment"), Optional.of(Identity.ofUser("user")));
    inSetupTransaction(session -> metadata.createView(session, new QualifiedObjectName(TPCH_CATALOG, "s1", "v5"), viewData5, false));
    // type analysis for INSERT
    SchemaTableName table8 = new SchemaTableName("s1", "t8");
    inSetupTransaction(session -> metadata.createTable(session, TPCH_CATALOG, new ConnectorTableMetadata(table8, ImmutableList.of(new ColumnMetadata("tinyint_column", TINYINT), new ColumnMetadata("integer_column", INTEGER), new ColumnMetadata("decimal_column", createDecimalType(5, 3)), new ColumnMetadata("real_column", REAL), new ColumnMetadata("char_column", createCharType(3)), new ColumnMetadata("bounded_varchar_column", createVarcharType(3)), new ColumnMetadata("unbounded_varchar_column", VARCHAR), new ColumnMetadata("tinyint_array_column", new ArrayType(TINYINT)), new ColumnMetadata("bigint_array_column", new ArrayType(BIGINT)), new ColumnMetadata("nested_bounded_varchar_column", anonymousRow(createVarcharType(3))), new ColumnMetadata("row_column", anonymousRow(TINYINT, createUnboundedVarcharType())), new ColumnMetadata("date_column", DATE))), false));
    // for identifier chain resolving tests
    queryRunner.createCatalog(CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new StaticConnectorFactory("chain", new TestingConnector(new TestingMetadata())), ImmutableMap.of());
    Type singleFieldRowType = TESTING_TYPE_MANAGER.fromSqlType("row(f1 bigint)");
    Type rowType = TESTING_TYPE_MANAGER.fromSqlType("row(f1 bigint, f2 bigint)");
    Type nestedRowType = TESTING_TYPE_MANAGER.fromSqlType("row(f1 row(f11 bigint, f12 bigint), f2 boolean)");
    Type doubleNestedRowType = TESTING_TYPE_MANAGER.fromSqlType("row(f1 row(f11 row(f111 bigint, f112 bigint), f12 boolean), f2 boolean)");
    SchemaTableName b = new SchemaTableName("a", "b");
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(b, ImmutableList.of(new ColumnMetadata("x", VARCHAR))), false));
    SchemaTableName t1 = new SchemaTableName("a", "t1");
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(t1, ImmutableList.of(new ColumnMetadata("b", rowType))), false));
    SchemaTableName t2 = new SchemaTableName("a", "t2");
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(t2, ImmutableList.of(new ColumnMetadata("a", rowType))), false));
    SchemaTableName t3 = new SchemaTableName("a", "t3");
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(t3, ImmutableList.of(new ColumnMetadata("b", nestedRowType), new ColumnMetadata("c", BIGINT))), false));
    SchemaTableName t4 = new SchemaTableName("a", "t4");
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(t4, ImmutableList.of(new ColumnMetadata("b", doubleNestedRowType), new ColumnMetadata("c", BIGINT))), false));
    SchemaTableName t5 = new SchemaTableName("a", "t5");
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(t5, ImmutableList.of(new ColumnMetadata("b", singleFieldRowType))), false));
    QualifiedObjectName tableViewAndMaterializedView = new QualifiedObjectName(TPCH_CATALOG, "s1", "table_view_and_materialized_view");
    inSetupTransaction(session -> metadata.createMaterializedView(session, tableViewAndMaterializedView, new MaterializedViewDefinition("SELECT a FROM t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.empty(), Identity.ofUser("some user"), Optional.of(new CatalogSchemaTableName(TPCH_CATALOG, "s1", "t1")), ImmutableMap.of()), false, false));
    ViewDefinition viewDefinition = new ViewDefinition("SELECT a FROM t2", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.empty(), Optional.empty());
    inSetupTransaction(session -> metadata.createView(session, tableViewAndMaterializedView, viewDefinition, false));
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(tableViewAndMaterializedView.asSchemaTableName(), ImmutableList.of(new ColumnMetadata("a", BIGINT))), false));
    QualifiedObjectName tableAndView = new QualifiedObjectName(TPCH_CATALOG, "s1", "table_and_view");
    inSetupTransaction(session -> metadata.createView(session, tableAndView, viewDefinition, false));
    inSetupTransaction(session -> metadata.createTable(session, CATALOG_FOR_IDENTIFIER_CHAIN_TESTS, new ConnectorTableMetadata(tableAndView.asSchemaTableName(), ImmutableList.of(new ColumnMetadata("a", BIGINT))), false));
    QualifiedObjectName freshMaterializedView = new QualifiedObjectName(TPCH_CATALOG, "s1", "fresh_materialized_view");
    inSetupTransaction(session -> metadata.createMaterializedView(session, freshMaterializedView, new MaterializedViewDefinition("SELECT a, b FROM t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId()), new ViewColumn("b", BIGINT.getTypeId())), Optional.empty(), Identity.ofUser("some user"), // t3 has a, b column and hidden column x
    Optional.of(new CatalogSchemaTableName(TPCH_CATALOG, "s1", "t3")), ImmutableMap.of()), false, false));
    testingConnectorMetadata.markMaterializedViewIsFresh(freshMaterializedView.asSchemaTableName());
    QualifiedObjectName freshMaterializedViewMismatchedColumnCount = new QualifiedObjectName(TPCH_CATALOG, "s1", "fresh_materialized_view_mismatched_column_count");
    inSetupTransaction(session -> metadata.createMaterializedView(session, freshMaterializedViewMismatchedColumnCount, new MaterializedViewDefinition("SELECT a FROM t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())), Optional.empty(), Identity.ofUser("some user"), Optional.of(new CatalogSchemaTableName(TPCH_CATALOG, "s1", "t2")), ImmutableMap.of()), false, false));
    testingConnectorMetadata.markMaterializedViewIsFresh(freshMaterializedViewMismatchedColumnCount.asSchemaTableName());
    QualifiedObjectName freshMaterializedMismatchedColumnName = new QualifiedObjectName(TPCH_CATALOG, "s1", "fresh_materialized_view_mismatched_column_name");
    inSetupTransaction(session -> metadata.createMaterializedView(session, freshMaterializedMismatchedColumnName, new MaterializedViewDefinition("SELECT a, b as c FROM t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId()), new ViewColumn("c", BIGINT.getTypeId())), Optional.empty(), Identity.ofUser("some user"), Optional.of(new CatalogSchemaTableName(TPCH_CATALOG, "s1", "t2")), ImmutableMap.of()), false, false));
    testingConnectorMetadata.markMaterializedViewIsFresh(freshMaterializedMismatchedColumnName.asSchemaTableName());
    QualifiedObjectName freshMaterializedMismatchedColumnType = new QualifiedObjectName(TPCH_CATALOG, "s1", "fresh_materialized_view_mismatched_column_type");
    inSetupTransaction(session -> metadata.createMaterializedView(session, freshMaterializedMismatchedColumnType, new MaterializedViewDefinition("SELECT a, null b FROM t1", Optional.of(TPCH_CATALOG), Optional.of("s1"), ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId()), new ViewColumn("b", RowType.anonymousRow(TINYINT).getTypeId())), Optional.empty(), Identity.ofUser("some user"), Optional.of(new CatalogSchemaTableName(TPCH_CATALOG, "s1", "t2")), ImmutableMap.of()), false, false));
    testingConnectorMetadata.markMaterializedViewIsFresh(freshMaterializedMismatchedColumnType.asSchemaTableName());
}

Example 4 with ViewDefinition

use of io.trino.metadata.ViewDefinition in project trino by trinodb.

the class CreateViewTask method execute.

@Override
public ListenableFuture<Void> execute(CreateView statement, QueryStateMachine stateMachine, List<Expression> parameters, WarningCollector warningCollector) {
    Session session = stateMachine.getSession();
    QualifiedObjectName name = createQualifiedObjectName(session, statement, statement.getName());
    accessControl.checkCanCreateView(session.toSecurityContext(), name);
    if (metadata.isMaterializedView(session, name)) {
        throw semanticException(TABLE_ALREADY_EXISTS, statement, "Materialized view already exists: '%s'", name);
    }
    if (metadata.isView(session, name)) {
        if (!statement.isReplace()) {
            throw semanticException(TABLE_ALREADY_EXISTS, statement, "View already exists: '%s'", name);
        }
    } else if (metadata.getTableHandle(session, name).isPresent()) {
        throw semanticException(TABLE_ALREADY_EXISTS, statement, "Table already exists: '%s'", name);
    }
    String sql = getFormattedSql(statement.getQuery(), sqlParser);
    Analysis analysis = analyzerFactory.createAnalyzer(session, parameters, parameterExtractor(statement, parameters), stateMachine.getWarningCollector()).analyze(statement);
    List<ViewColumn> columns = analysis.getOutputDescriptor(statement.getQuery()).getVisibleFields().stream().map(field -> new ViewColumn(field.getName().get(), field.getType().getTypeId())).collect(toImmutableList());
    // use DEFINER security by default
    Optional<Identity> owner = Optional.of(session.getIdentity());
    if (statement.getSecurity().orElse(null) == INVOKER) {
        owner = Optional.empty();
    }
    ViewDefinition definition = new ViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, statement.getComment(), owner);
    metadata.createView(session, name, definition, statement.isReplace());
    stateMachine.setOutput(analysis.getTarget());
    stateMachine.setReferencedTables(analysis.getReferencedTables());
    return immediateVoidFuture();
}