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From Dave Nicodemus <dave.nicode...@gmail.com>
Subject NPE from simple nested ANSI Join
Date Thu, 04 Feb 2016 19:28:58 GMT
Using hive 1.2.1.2.3  Connecting using JDBC, issuing the following query :

SELECT COUNT(*)
FROM nation n
    INNER JOIN (customer c
                         INNER JOIN orders o ON c.c_custkey = o.o_custkey)
     ON n.n_nationkey = c.c_nationkey;

Generates the NPE and stack below. Fields are integer data type

Does anyone know if this is a known issue  and whether it's fixed someplace
?

Thanks,
Dave

Stack
--------
Caused by: java.lang.NullPointerExcEeption: Remote
java.lang.NullPointerException: null

        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.isPresent(SemanticAnalyzer.java:2046)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.parseJoinCondPopulateAlias(SemanticAnalyzer.java:2109)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.parseJoinCondPopulateAlias(SemanticAnalyzer.java:2185)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.parseJoinCondition(SemanticAnalyzer.java:2445)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.parseJoinCondition(SemanticAnalyzer.java:2386)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genJoinTree(SemanticAnalyzer.java:8192)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genJoinTree(SemanticAnalyzer.java:8131)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:9709)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:9636)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genOPTree(SemanticAnalyzer.java:10109)
        at org.apache.hadoop.hive.ql.parse.CalcitePlanner.genOPTree(CalcitePlanner.java:329)
        at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10120)
        at org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:211)
        at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:227)
        at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:454)
        at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:314)
        at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1164)
        at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1158)
        at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:110)

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