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

Example 1 with TableExecuteHandle

use of io.trino.metadata.TableExecuteHandle 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 2 with TableExecuteHandle

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

the class LogicalPlanner method createTableExecutePlan.

private RelationPlan createTableExecutePlan(Analysis analysis, TableExecute statement) {
    Table table = statement.getTable();
    TableHandle tableHandle = analysis.getTableHandle(table);
    QualifiedObjectName tableName = createQualifiedObjectName(session, statement, table.getName());
    TableExecuteHandle executeHandle = analysis.getTableExecuteHandle().orElseThrow();
    RelationPlan tableScanPlan = createRelationPlan(analysis, table);
    PlanBuilder sourcePlanBuilder = newPlanBuilder(tableScanPlan, analysis, ImmutableMap.of(), ImmutableMap.of());
    if (statement.getWhere().isPresent()) {
        SubqueryPlanner subqueryPlanner = new SubqueryPlanner(analysis, symbolAllocator, idAllocator, buildLambdaDeclarationToSymbolMap(analysis, symbolAllocator), plannerContext, typeCoercion, Optional.empty(), session, ImmutableMap.of());
        Expression whereExpression = statement.getWhere().get();
        sourcePlanBuilder = subqueryPlanner.handleSubqueries(sourcePlanBuilder, whereExpression, analysis.getSubqueries(statement));
        sourcePlanBuilder = sourcePlanBuilder.withNewRoot(new FilterNode(idAllocator.getNextId(), sourcePlanBuilder.getRoot(), sourcePlanBuilder.rewrite(whereExpression)));
    }
    PlanNode sourcePlanRoot = sourcePlanBuilder.getRoot();
    TableMetadata tableMetadata = metadata.getTableMetadata(session, tableHandle);
    List<String> columnNames = tableMetadata.getColumns().stream().filter(// todo this filter is redundant
    column -> !column.isHidden()).map(ColumnMetadata::getName).collect(toImmutableList());
    TableWriterNode.TableExecuteTarget tableExecuteTarget = new TableWriterNode.TableExecuteTarget(executeHandle, Optional.empty(), tableName.asSchemaTableName());
    Optional<TableLayout> layout = metadata.getLayoutForTableExecute(session, executeHandle);
    List<Symbol> symbols = visibleFields(tableScanPlan);
    // todo extract common method to be used here and in createTableWriterPlan()
    Optional<PartitioningScheme> partitioningScheme = Optional.empty();
    Optional<PartitioningScheme> preferredPartitioningScheme = Optional.empty();
    if (layout.isPresent()) {
        List<Symbol> partitionFunctionArguments = new ArrayList<>();
        layout.get().getPartitionColumns().stream().mapToInt(columnNames::indexOf).mapToObj(symbols::get).forEach(partitionFunctionArguments::add);
        List<Symbol> outputLayout = new ArrayList<>(symbols);
        Optional<PartitioningHandle> partitioningHandle = layout.get().getPartitioning();
        if (partitioningHandle.isPresent()) {
            partitioningScheme = Optional.of(new PartitioningScheme(Partitioning.create(partitioningHandle.get(), partitionFunctionArguments), outputLayout));
        } else {
            // empty connector partitioning handle means evenly partitioning on partitioning columns
            preferredPartitioningScheme = Optional.of(new PartitioningScheme(Partitioning.create(FIXED_HASH_DISTRIBUTION, partitionFunctionArguments), outputLayout));
        }
    }
    verify(columnNames.size() == symbols.size(), "columnNames.size() != symbols.size(): %s and %s", columnNames, symbols);
    TableFinishNode commitNode = new TableFinishNode(idAllocator.getNextId(), new TableExecuteNode(idAllocator.getNextId(), sourcePlanRoot, tableExecuteTarget, symbolAllocator.newSymbol("partialrows", BIGINT), symbolAllocator.newSymbol("fragment", VARBINARY), symbols, columnNames, partitioningScheme, preferredPartitioningScheme), tableExecuteTarget, symbolAllocator.newSymbol("rows", BIGINT), Optional.empty(), Optional.empty());
    return new RelationPlan(commitNode, analysis.getRootScope(), commitNode.getOutputSymbols(), Optional.empty());
}