minor, add log to prepare only
Project: http://git-wip-us.apache.org/repos/asf/kylin/repo Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/ac38a2e0 Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/ac38a2e0 Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/ac38a2e0 Branch: refs/heads/2.0.x-hbase0.98 Commit: ac38a2e056fa2514f3f0f0e1c756af35e82de90e Parents: 98f9adc Author: Li Yang <liy...@apache.org> Authored: Wed Jun 14 18:27:49 2017 +0800 Committer: Li Yang <liy...@apache.org> Committed: Wed Jun 14 18:27:49 2017 +0800 ---------------------------------------------------------------------- .../java/org/apache/kylin/query/enumerator/OLAPQuery.java | 8 ++++++++ 1 file changed, 8 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/kylin/blob/ac38a2e0/query/src/main/java/org/apache/kylin/query/enumerator/OLAPQuery.java ---------------------------------------------------------------------- diff --git a/query/src/main/java/org/apache/kylin/query/enumerator/OLAPQuery.java b/query/src/main/java/org/apache/kylin/query/enumerator/OLAPQuery.java index 63b37d0..debc125 100644 --- a/query/src/main/java/org/apache/kylin/query/enumerator/OLAPQuery.java +++ b/query/src/main/java/org/apache/kylin/query/enumerator/OLAPQuery.java @@ -24,11 +24,15 @@ import org.apache.calcite.linq4j.Enumerable; import org.apache.calcite.linq4j.Enumerator; import org.apache.kylin.common.debug.BackdoorToggles; import org.apache.kylin.query.relnode.OLAPContext; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; /** */ public class OLAPQuery extends AbstractEnumerable<Object[]> implements Enumerable<Object[]> { + private static final Logger logger = LoggerFactory.getLogger(OLAPQuery.class); + public enum EnumeratorTypeEnum { OLAP, //finish query with Cube or II, or a combination of both LOOKUP_TABLE, //using a snapshot of lookup table @@ -64,6 +68,10 @@ public class OLAPQuery extends AbstractEnumerable<Object[]> implements Enumerabl } private static class EmptyEnumerator implements Enumerator<Object[]> { + + EmptyEnumerator() { + logger.debug("Using empty enumerator"); + } @Override public void close() {
