Examples with DeleteTarget io.trino.sql.planner.plan.TableWriterNode.DeleteTarget used on opensource projects

Example 1 with DeleteTarget

use of io.trino.sql.planner.plan.TableWriterNode.DeleteTarget 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 DeleteTarget

use of io.trino.sql.planner.plan.TableWriterNode.DeleteTarget in project trino by trinodb.

the class QueryPlanner method plan.

public DeleteNode plan(Delete node) {
    Table table = node.getTable();
    TableHandle handle = analysis.getTableHandle(table);
    // create table scan
    RelationPlan relationPlan = new RelationPlanner(analysis, symbolAllocator, idAllocator, lambdaDeclarationToSymbolMap, plannerContext, outerContext, session, recursiveSubqueries).process(table, null);
    PlanBuilder builder = newPlanBuilder(relationPlan, analysis, lambdaDeclarationToSymbolMap);
    if (node.getWhere().isPresent()) {
        builder = filter(builder, node.getWhere().get(), node);
    }
    // create delete node
    Symbol rowId = builder.translate(analysis.getRowIdField(table));
    List<Symbol> outputs = ImmutableList.of(symbolAllocator.newSymbol("partialrows", BIGINT), symbolAllocator.newSymbol("fragment", VARBINARY));
    return new DeleteNode(idAllocator.getNextId(), builder.getRoot(), new DeleteTarget(Optional.empty(), plannerContext.getMetadata().getTableMetadata(session, handle).getTable()), rowId, outputs);
}