Examples with DeleteProjection io.crate.planner.projection.DeleteProjection used on opensource projects

Example 1 with DeleteProjection

use of io.crate.planner.projection.DeleteProjection in project crate by crate.

the class DeleteStatementPlanner method collectWithDeleteProjection.

private static Plan collectWithDeleteProjection(TableInfo tableInfo, WhereClause whereClause, Planner.Context plannerContext) {
    // for delete, we always need to collect the `_uid`
    Reference idReference = tableInfo.getReference(DocSysColumns.ID);
    DeleteProjection deleteProjection = new DeleteProjection(new InputColumn(0, DataTypes.STRING));
    Routing routing = plannerContext.allocateRouting(tableInfo, whereClause, Preference.PRIMARY.type());
    RoutedCollectPhase collectPhase = new RoutedCollectPhase(plannerContext.jobId(), plannerContext.nextExecutionPhaseId(), "collect", routing, tableInfo.rowGranularity(), ImmutableList.of(idReference), ImmutableList.of(deleteProjection), whereClause, DistributionInfo.DEFAULT_BROADCAST);
    Collect collect = new Collect(collectPhase, TopN.NO_LIMIT, 0, 1, 1, null);
    return Merge.ensureOnHandler(collect, plannerContext, Collections.singletonList(MergeCountProjection.INSTANCE));
}