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From "Victoria Markman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-1876) Remove || (concatenation operator) from documentation
Date Tue, 16 Dec 2014 22:13:13 GMT
Victoria Markman created DRILL-1876:
---------------------------------------

             Summary: Remove || (concatenation operator) from documentation
                 Key: DRILL-1876
                 URL: https://issues.apache.org/jira/browse/DRILL-1876
             Project: Apache Drill
          Issue Type: Bug
          Components: Documentation
    Affects Versions: 0.7.0
            Reporter: Victoria Markman


It is documented, but it does not work at all (DRILL-779) 
Workaround exists: concat function

As of version 0.7.0 (git.commit.id.abbrev=3b0ff5d)

(1)
0: jdbc:drill:schema=dfs> select 'abc' || 'def' from cp.`tpch/nation.parquet`;
Query failed: Query failed: Failure while running fragment.[ dc4727ed-4ac3-42bb-a60b-f8f370dd4fcf
on atsqa4-133.qa.lab:31010 ]
[ dc4727ed-4ac3-42bb-a60b-f8f370dd4fcf on atsqa4-133.qa.lab:31010 ]
Error: exception while executing query: Failure while executing query. (state=,code=0)

(2)
0: jdbc:drill:schema=dfs> select n_name || 'xyz' from cp.`tpch/nation.parquet`;
Query failed: Query failed: Unexpected exception during fragment initialization: Internal
error: pre-condition failed: SqlTypeUtil.sameNamedType(argTypes[0], argTypes[1])
Error: exception while executing query: Failure while executing query. (state=,code=0)

(3)
0: jdbc:drill:schema=dfs> select cast(n_nationkey as varchar(10)) || n_name from cp.`tpch/nation.parquet`;
Query failed: Query failed: Unexpected exception during fragment initialization: Internal
error: pre-condition failed: SqlTypeUtil.sameNamedType(argTypes[0], argTypes[1])
Error: exception while executing query: Failure while executing query. (state=,code=0)

(4)
0: jdbc:drill:schema=dfs> select 'abc' || 'cde' from `test.json`;
Query failed: Query failed: Failure while running fragment.[ 01194cdf-746c-45db-ae4e-014590bfbffd
on atsqa4-133.qa.lab:31010 ]
[ 01194cdf-746c-45db-ae4e-014590bfbffd on atsqa4-133.qa.lab:31010 ]
Error: exception while executing query: Failure while executing query. (state=,code=0)




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