Taras Bobrovytsky has uploaded a new patch set (#4). Change subject: IMPALA-4883: Implement Codegen for Union ......................................................................
IMPALA-4883: Implement Codegen for Union For each non-passthrough child of the Union node, codegen Tuple::MarializeExprs(). Testing: Ran test_queries.py test locally in exchaustive mode. Ran some hand crafted performance benchmark queries locally. There is an up to 50% performance improvement. Change-Id: Ib4107d27582ff5416172810364a6e76d3d93c439 --- M be/src/codegen/impala-ir.cc M be/src/exec/CMakeLists.txt A be/src/exec/union-node-ir.cc M be/src/exec/union-node.cc M be/src/exec/union-node.h 5 files changed, 161 insertions(+), 58 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/59/6459/4 -- To view, visit http://gerrit.cloudera.org:8080/6459 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: newpatchset Gerrit-Change-Id: Ib4107d27582ff5416172810364a6e76d3d93c439 Gerrit-PatchSet: 4 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Taras Bobrovytsky <[email protected]> Gerrit-Reviewer: Michael Ho <[email protected]> Gerrit-Reviewer: Taras Bobrovytsky <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]>
