Review Request: SQOOP-654 PostgreSQL direct connector is ignoring --null(-input)string and --null(-input)-non-string arguments

[Jarek Cecho]

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https://reviews.apache.org/r/9204/
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Review request for Sqoop.


Description
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This patches fixes the NULL handling in PostgreSQL direct connector.


This addresses bug SQOOP-654.
    https://issues.apache.org/jira/browse/SQOOP-654


Diffs
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  src/java/org/apache/sqoop/manager/DirectPostgresqlManager.java 
dba732c963416202934cb95b86eac274a3e1a2dd 
  src/java/org/apache/sqoop/util/SubstitutionUtils.java PRE-CREATION 
  src/test/com/cloudera/sqoop/manager/PostgresqlImportTest.java 
512b1d5566e6aad221e9b8b8c15be1e6037ad4f2 
  src/test/com/cloudera/sqoop/util/TestSubstitutionUtils.java PRE-CREATION 

Diff: https://reviews.apache.org/r/9204/diff/


Testing
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Added new test case that covers this eventuality.


Thanks,

Jarek Cecho