Pranay Singh has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/9614


Change subject: DRAFT IMPALA-5973: Provide  query plan in JSON format.
......................................................................

DRAFT IMPALA-5973: Provide  query plan in JSON format.

This is an initial draft to convert the text representation of the query in 
JSON format.
This change makes use of JSON library and converts the JSON representation of 
the query
into text representation.

Change-Id: I7429ac1e93a9c524233383cafd387056fcf2542d
---
M fe/src/main/java/org/apache/impala/planner/AggregationNode.java
M fe/src/main/java/org/apache/impala/planner/AnalyticEvalNode.java
M fe/src/main/java/org/apache/impala/planner/DataSink.java
M fe/src/main/java/org/apache/impala/planner/DataSourceScanNode.java
M fe/src/main/java/org/apache/impala/planner/DataStreamSink.java
M fe/src/main/java/org/apache/impala/planner/EmptySetNode.java
M fe/src/main/java/org/apache/impala/planner/ExchangeNode.java
M fe/src/main/java/org/apache/impala/planner/HBaseScanNode.java
M fe/src/main/java/org/apache/impala/planner/HBaseTableSink.java
M fe/src/main/java/org/apache/impala/planner/HashJoinNode.java
M fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
M fe/src/main/java/org/apache/impala/planner/HdfsTableSink.java
M fe/src/main/java/org/apache/impala/planner/JoinBuildSink.java
M fe/src/main/java/org/apache/impala/planner/KuduScanNode.java
M fe/src/main/java/org/apache/impala/planner/KuduTableSink.java
M fe/src/main/java/org/apache/impala/planner/NestedLoopJoinNode.java
M fe/src/main/java/org/apache/impala/planner/PlanFragment.java
M fe/src/main/java/org/apache/impala/planner/PlanNode.java
M fe/src/main/java/org/apache/impala/planner/PlanRootSink.java
M fe/src/main/java/org/apache/impala/planner/Planner.java
M fe/src/main/java/org/apache/impala/planner/SelectNode.java
M fe/src/main/java/org/apache/impala/planner/SingularRowSrcNode.java
M fe/src/main/java/org/apache/impala/planner/SortNode.java
M fe/src/main/java/org/apache/impala/planner/SubplanNode.java
M fe/src/main/java/org/apache/impala/planner/UnionNode.java
M fe/src/main/java/org/apache/impala/planner/UnnestNode.java
26 files changed, 336 insertions(+), 73 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/14/9614/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I7429ac1e93a9c524233383cafd387056fcf2542d
Gerrit-Change-Number: 9614
Gerrit-PatchSet: 1
Gerrit-Owner: Pranay Singh

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