Tim Armstrong has uploaded this change for review. ( http://gerrit.cloudera.org:8080/8117
Change subject: IMPALA-5965: avoid per-value switch on NeedsConversionInline() in parquet ...................................................................... IMPALA-5965: avoid per-value switch on NeedsConversionInline() in parquet Testing: ======== Ran core tests Perf: ==== Ran this query a few times: set num_nodes=1; set mt_dop=1; select min(l_returnflag), min(l_linestatus) from biglineitem; summary; I saw a speedup in scan time from ~2.25s -> 2.11s on my machine. Change-Id: I04fb4ca73978d0100e1eb9835b87d37540b8b645 --- M be/src/exec/parquet-column-readers.cc 1 file changed, 31 insertions(+), 8 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/17/8117/2 -- To view, visit http://gerrit.cloudera.org:8080/8117 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I04fb4ca73978d0100e1eb9835b87d37540b8b645 Gerrit-Change-Number: 8117 Gerrit-PatchSet: 2 Gerrit-Owner: Tim Armstrong <[email protected]>
