Examples with Rename io.crate.planner.operators.Rename used on opensource projects

Example 1 with Rename

use of io.crate.planner.operators.Rename in project crate by crate.

the class MoveFilterBeneathRename method apply.

@Override
public LogicalPlan apply(Filter plan, Captures captures, TableStats tableStats, TransactionContext txnCtx, NodeContext nodeCtx) {
    Rename rename = captures.get(renameCapture);
    Filter newFilter = new Filter(rename.source(), FieldReplacer.replaceFields(plan.query(), rename::resolveField));
    return rename.replaceSources(List.of(newFilter));
}

Example 2 with Rename

use of io.crate.planner.operators.Rename in project crate by crate.

the class MoveOrderBeneathRename method apply.

@Override
public LogicalPlan apply(Order plan, Captures captures, TableStats tableStats, TransactionContext txnCtx, NodeContext nodeCtx) {
    Rename rename = captures.get(renameCapture);
    Function<? super Symbol, ? extends Symbol> mapField = FieldReplacer.bind(rename::resolveField);
    OrderBy mappedOrderBy = plan.orderBy().map(mapField);
    if (rename.source().outputs().containsAll(mappedOrderBy.orderBySymbols())) {
        Order newOrder = new Order(rename.source(), mappedOrderBy);
        return rename.replaceSources(List.of(newOrder));
    } else {
        return null;
    }
}

Example 3 with Rename

use of io.crate.planner.operators.Rename in project crate by crate.

the class MergeAggregateRenameAndCollectToCount method apply.

@Override
public LogicalPlan apply(HashAggregate aggregate, Captures captures, TableStats tableStats, TransactionContext txnCtx, NodeContext nodeCtx) {
    Collect collect = captures.get(collectCapture);
    Rename rename = captures.get(renameCapture);
    var countAggregate = Lists2.getOnlyElement(aggregate.aggregates());
    var filter = countAggregate.filter();
    if (filter != null) {
        var mappedFilter = FieldReplacer.replaceFields(filter, rename::resolveField);
        return new Count(countAggregate, collect.relation(), collect.where().add(mappedFilter));
    } else {
        return new Count(countAggregate, collect.relation(), collect.where());
    }
}