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From nagarajanchinnasamy <...@git.apache.org>
Subject [GitHub] drill issue #685: Drill 5043: Function that returns a unique id per session/...
Date Mon, 16 Jan 2017 07:37:28 GMT
Github user nagarajanchinnasamy commented on the issue:

    @arina-ielchiieva @sudheeshkatkam I have made the following changes to support invocation
of UDFs without parenthesis.
    1. Introduced `isNiladic` option in FunctionTemplate and added a property in DrillFuncHolder,
FunctionAttributes, DrillSqlOperator classes
    2. Overridden DrillSqlOperator.getSyntax() to return SqlSyntax.FUNCTION_ID when isNiladic
is true
    3. Modified all the places to pass false for isNiladic parameter to DrillSqlOperator constructor
-- so that existing behavior is not impacted
    4. In DrillOperatorTable, adding an operator to operatorList when the syntax of an operator
    5. Modified tests to invoke session_id without parenthesis. 
    Please review the changes.

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