Gergely Fürnstáhl has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/19850


Change subject: WIP IMPALA-11619: Improve Iceberg V2 reads with a custom 
Iceberg Position Delete operator
......................................................................

WIP IMPALA-11619: Improve Iceberg V2 reads with a custom Iceberg Position 
Delete operator

Implemented new exec node to optimize iceberg v2 read performance.

IcebergDeleteNode and IcebergDeleteBuild classes are based on
PartitionedHashJoin counterparts. The actual "join" part of the node is
optimized, while others are kept very similarly, to be able to intergrate
features of PartitionedHashJoin if needed (partitioning, spilling).

Still TODO:

 - Add fe/thrift changes to the patchset (now its the original version
copied from PHJ)
 - Clean/slice up the join part for easier digestion.
 - Double check code comments

Change-Id: I024a61573c83bda5584f243c879d9ff39dd2dcfa
---
M be/src/codegen/impala-ir.cc
M be/src/exec/CMakeLists.txt
M be/src/exec/data-sink.cc
M be/src/exec/data-sink.h
M be/src/exec/exec-node.cc
M be/src/exec/hash-table.h
A be/src/exec/iceberg-delete-builder.cc
A be/src/exec/iceberg-delete-builder.h
A be/src/exec/iceberg-delete-node.cc
A be/src/exec/iceberg-delete-node.h
A be/src/exec/iceberg-delete-node.inline.h
M be/src/exec/join-builder.h
M be/src/runtime/query-state.h
M be/src/service/query-options.cc
M be/src/service/query-options.h
M common/thrift/DataSinks.thrift
M common/thrift/ImpalaService.thrift
M common/thrift/PlanNodes.thrift
M common/thrift/Query.thrift
M fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java
A fe/src/main/java/org/apache/impala/planner/IcebergDeleteNode.java
M fe/src/main/java/org/apache/impala/planner/IcebergScanPlanner.java
M fe/src/main/java/org/apache/impala/planner/JoinBuildSink.java
M fe/src/test/java/org/apache/impala/analysis/AnalyzeDDLTest.java
M 
testdata/workloads/functional-planner/queries/PlannerTest/iceberg-v2-tables.test
M testdata/workloads/functional-planner/queries/PlannerTest/tablesample.test
M tests/query_test/test_iceberg.py
27 files changed, 2,140 insertions(+), 114 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/50/19850/4
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I024a61573c83bda5584f243c879d9ff39dd2dcfa
Gerrit-Change-Number: 19850
Gerrit-PatchSet: 4
Gerrit-Owner: Gergely Fürnstáhl <[email protected]>

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