Ankit Singhal created PHOENIX-3809:
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Summary: CURRENT_DATE() (with paranthesis) is illegal in calcite
Key: PHOENIX-3809
URL: https://issues.apache.org/jira/browse/PHOENIX-3809
Project: Phoenix
Issue Type: Bug
Reporter: Ankit Singhal
Assignee: Ankit Singhal
Calcite doesn't allow system functions to be specified with parenthesis who
doesn't accept arguments.
For eg:-
CURRENT_DATE() is illegal whereas CURRENT_DATE is expected.
SqlValidatorImpl#validateCall
{code}
if ((call.operandCount() == 0)
&& (operator.getSyntax() == SqlSyntax.FUNCTION_ID)
&& !call.isExpanded()) {
// For example, "LOCALTIME()" is illegal. (It should be
// "LOCALTIME", which would have been handled as a
// SqlIdentifier.)
throw handleUnresolvedFunction(call, (SqlFunction) operator,
ImmutableList.<RelDataType>of(), null);
}
{code}
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