Package io.prestosql.operator

Class LookupJoinPageBuilder

  • public class LookupJoinPageBuilder
extends Object
    This page builder creates pages with dictionary blocks: normal dictionary blocks for the probe side and the original blocks for the build side.

    TODO use dictionary blocks (probably extended kind) to avoid data copying for build side

    • Constructor Detail

      • LookupJoinPageBuilder

        public LookupJoinPageBuilder​(List<Type> buildTypes)

    • Method Detail

      • isFull

        public boolean isFull()

      • isEmpty

        public boolean isEmpty()

      • reset

        public void reset()

      • appendRow

        public void appendRow​(JoinProbe probe,
                      LookupSource lookupSource,
                      long joinPosition)
        append the index for the probe and copy the row for the build

      • appendNullForBuild

        public void appendNullForBuild​(JoinProbe probe)
        append the index for the probe and append nulls for the build