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

Example 16 with Metadata

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

the class DistinctLimitMatcher method detailMatches.

@Override
public MatchResult detailMatches(PlanNode node, StatsProvider stats, Session session, Metadata metadata, SymbolAliases symbolAliases) {
    checkState(shapeMatches(node), "Plan testing framework error: shapeMatches returned false in detailMatches in %s", this.getClass().getName());
    DistinctLimitNode distinctLimitNode = (DistinctLimitNode) node;
    if (distinctLimitNode.getLimit() != limit) {
        return NO_MATCH;
    }
    if (!distinctLimitNode.getHashSymbol().equals(hashSymbol.map(alias -> alias.toSymbol(symbolAliases)))) {
        return NO_MATCH;
    }
    return new MatchResult(ImmutableSet.copyOf(distinctLimitNode.getDistinctSymbols()).equals(distinctSymbols.stream().map(alias -> alias.toSymbol(symbolAliases)).collect(toImmutableSet())));
}

Example 17 with Metadata

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

the class GrantRolesTask method execute.

@Override
public ListenableFuture<Void> execute(GrantRoles statement, QueryStateMachine stateMachine, List<Expression> parameters, WarningCollector warningCollector) {
    Session session = stateMachine.getSession();
    Set<String> roles = statement.getRoles().stream().map(role -> role.getValue().toLowerCase(Locale.ENGLISH)).collect(toImmutableSet());
    Set<TrinoPrincipal> grantees = statement.getGrantees().stream().map(MetadataUtil::createPrincipal).collect(toImmutableSet());
    boolean adminOption = statement.isAdminOption();
    Optional<TrinoPrincipal> grantor = statement.getGrantor().map(specification -> createPrincipal(session, specification));
    Optional<String> catalog = processRoleCommandCatalog(metadata, session, statement, statement.getCatalog().map(Identifier::getValue));
    Set<String> specifiedRoles = new LinkedHashSet<>();
    specifiedRoles.addAll(roles);
    grantees.stream().filter(principal -> principal.getType() == ROLE).map(TrinoPrincipal::getName).forEach(specifiedRoles::add);
    if (grantor.isPresent() && grantor.get().getType() == ROLE) {
        specifiedRoles.add(grantor.get().getName());
    }
    for (String role : specifiedRoles) {
        checkRoleExists(session, statement, metadata, role, catalog);
    }
    accessControl.checkCanGrantRoles(session.toSecurityContext(), roles, grantees, adminOption, grantor, catalog);
    metadata.grantRoles(session, roles, grantees, adminOption, grantor, catalog);
    return immediateVoidFuture();
}

Example 18 with Metadata

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

the class SimpleFilterProjectSemiJoinStatsRule method extractSemiJoinOutputFilter.

private Optional<SemiJoinOutputFilter> extractSemiJoinOutputFilter(Expression predicate, Symbol semiJoinOutput) {
    List<Expression> conjuncts = extractConjuncts(predicate);
    List<Expression> semiJoinOutputReferences = conjuncts.stream().filter(conjunct -> isSemiJoinOutputReference(conjunct, semiJoinOutput)).collect(toImmutableList());
    if (semiJoinOutputReferences.size() != 1) {
        return Optional.empty();
    }
    Expression semiJoinOutputReference = Iterables.getOnlyElement(semiJoinOutputReferences);
    Expression remainingPredicate = combineConjuncts(metadata, conjuncts.stream().filter(conjunct -> conjunct != semiJoinOutputReference).collect(toImmutableList()));
    boolean negated = semiJoinOutputReference instanceof NotExpression;
    return Optional.of(new SemiJoinOutputFilter(negated, remainingPredicate));
}

Example 19 with Metadata

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

the class LocalExecutionPlanner method createTableFinisher.

private static TableFinisher createTableFinisher(Session session, TableFinishNode node, Metadata metadata) {
    WriterTarget target = node.getTarget();
    return (fragments, statistics, tableExecuteContext) -> {
        if (target instanceof CreateTarget) {
            return metadata.finishCreateTable(session, ((CreateTarget) target).getHandle(), fragments, statistics);
        } else if (target instanceof InsertTarget) {
            return metadata.finishInsert(session, ((InsertTarget) target).getHandle(), fragments, statistics);
        } else if (target instanceof TableWriterNode.RefreshMaterializedViewTarget) {
            TableWriterNode.RefreshMaterializedViewTarget refreshTarget = (TableWriterNode.RefreshMaterializedViewTarget) target;
            return metadata.finishRefreshMaterializedView(session, refreshTarget.getTableHandle(), refreshTarget.getInsertHandle(), fragments, statistics, refreshTarget.getSourceTableHandles());
        } else if (target instanceof DeleteTarget) {
            metadata.finishDelete(session, ((DeleteTarget) target).getHandleOrElseThrow(), fragments);
            return Optional.empty();
        } else if (target instanceof UpdateTarget) {
            metadata.finishUpdate(session, ((UpdateTarget) target).getHandleOrElseThrow(), fragments);
            return Optional.empty();
        } else if (target instanceof TableExecuteTarget) {
            TableExecuteHandle tableExecuteHandle = ((TableExecuteTarget) target).getExecuteHandle();
            metadata.finishTableExecute(session, tableExecuteHandle, fragments, tableExecuteContext.getSplitsInfo());
            return Optional.empty();
        } else {
            throw new AssertionError("Unhandled target type: " + target.getClass().getName());
        }
    };
}

Example 20 with Metadata

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

the class LogicalPlanner method getInsertPlan.

private RelationPlan getInsertPlan(Analysis analysis, Table table, Query query, TableHandle tableHandle, List<ColumnHandle> insertColumns, Optional<TableLayout> newTableLayout, Optional<WriterTarget> materializedViewRefreshWriterTarget) {
    TableMetadata tableMetadata = metadata.getTableMetadata(session, tableHandle);
    Map<NodeRef<LambdaArgumentDeclaration>, Symbol> lambdaDeclarationToSymbolMap = buildLambdaDeclarationToSymbolMap(analysis, symbolAllocator);
    RelationPlanner planner = new RelationPlanner(analysis, symbolAllocator, idAllocator, lambdaDeclarationToSymbolMap, plannerContext, Optional.empty(), session, ImmutableMap.of());
    RelationPlan plan = planner.process(query, null);
    ImmutableList.Builder<Symbol> builder = ImmutableList.builder();
    for (int i = 0; i < plan.getFieldMappings().size(); i++) {
        if (!plan.getDescriptor().getFieldByIndex(i).isHidden()) {
            builder.add(plan.getFieldMappings().get(i));
        }
    }
    List<Symbol> visibleFieldMappings = builder.build();
    Map<String, ColumnHandle> columns = metadata.getColumnHandles(session, tableHandle);
    Assignments.Builder assignments = Assignments.builder();
    boolean supportsMissingColumnsOnInsert = metadata.supportsMissingColumnsOnInsert(session, tableHandle);
    ImmutableList.Builder<ColumnMetadata> insertedColumnsBuilder = ImmutableList.builder();
    for (ColumnMetadata column : tableMetadata.getColumns()) {
        if (column.isHidden()) {
            continue;
        }
        Symbol output = symbolAllocator.newSymbol(column.getName(), column.getType());
        int index = insertColumns.indexOf(columns.get(column.getName()));
        if (index < 0) {
            if (supportsMissingColumnsOnInsert) {
                continue;
            }
            Expression cast = new Cast(new NullLiteral(), toSqlType(column.getType()));
            assignments.put(output, cast);
            insertedColumnsBuilder.add(column);
        } else {
            Symbol input = visibleFieldMappings.get(index);
            Type tableType = column.getType();
            Type queryType = symbolAllocator.getTypes().get(input);
            if (queryType.equals(tableType) || typeCoercion.isTypeOnlyCoercion(queryType, tableType)) {
                assignments.put(output, input.toSymbolReference());
            } else {
                Expression cast = noTruncationCast(input.toSymbolReference(), queryType, tableType);
                assignments.put(output, cast);
            }
            insertedColumnsBuilder.add(column);
        }
    }
    ProjectNode projectNode = new ProjectNode(idAllocator.getNextId(), plan.getRoot(), assignments.build());
    List<ColumnMetadata> insertedColumns = insertedColumnsBuilder.build();
    List<Field> fields = insertedColumns.stream().map(column -> Field.newUnqualified(column.getName(), column.getType())).collect(toImmutableList());
    Scope scope = Scope.builder().withRelationType(RelationId.anonymous(), new RelationType(fields)).build();
    plan = new RelationPlan(projectNode, scope, projectNode.getOutputSymbols(), Optional.empty());
    plan = planner.addRowFilters(table, plan, failIfPredicateIsNotMeet(metadata, session, PERMISSION_DENIED, AccessDeniedException.PREFIX + "Cannot insert row that does not match to a row filter"), node -> {
        Scope accessControlScope = analysis.getAccessControlScope(table);
        // hidden fields are not accessible in insert
        return Scope.builder().like(accessControlScope).withRelationType(accessControlScope.getRelationId(), accessControlScope.getRelationType().withOnlyVisibleFields()).build();
    });
    List<String> insertedTableColumnNames = insertedColumns.stream().map(ColumnMetadata::getName).collect(toImmutableList());
    String catalogName = tableHandle.getCatalogName().getCatalogName();
    TableStatisticsMetadata statisticsMetadata = metadata.getStatisticsCollectionMetadataForWrite(session, catalogName, tableMetadata.getMetadata());
    if (materializedViewRefreshWriterTarget.isPresent()) {
        return createTableWriterPlan(analysis, plan.getRoot(), plan.getFieldMappings(), materializedViewRefreshWriterTarget.get(), insertedTableColumnNames, insertedColumns, newTableLayout, statisticsMetadata);
    }
    InsertReference insertTarget = new InsertReference(tableHandle, insertedTableColumnNames.stream().map(columns::get).collect(toImmutableList()));
    return createTableWriterPlan(analysis, plan.getRoot(), plan.getFieldMappings(), insertTarget, insertedTableColumnNames, insertedColumns, newTableLayout, statisticsMetadata);
}