[jira] [Created] (PHOENIX-836) Cast syntax is not in line with standard SQL

["Gabriel Reid (JIRA)" <ji...@apache.org>]

Gabriel Reid created PHOENIX-836:
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             Summary: Cast syntax is not in line with standard SQL
                 Key: PHOENIX-836
                 URL: https://issues.apache.org/jira/browse/PHOENIX-836
             Project: Phoenix
          Issue Type: Bug
            Reporter: Gabriel Reid



It seems the cast syntax in Phoenix is not in line with SQL-92/99 (1), as well as other common SQL databases (2 & 3).

A typical cast statement in SQL is written as
{code}
SELECT CAST(ID AS INTEGER) FROM MYTAB;
{code}

but this leads to a parse error in Phoenix. Instead, Phoenix expects cast statements to be written as follows (I believe the parentheses are optional here)
{code}
SELECT (CAST ID AS INTEGER) FROM MYTAB;
{code}


(1) http://savage.net.au/SQL/sql-99.bnf.html#cast%20specification
(2) http://docs.oracle.com/javadb/10.8.2.2/ref/rrefsqlj33562.html
(3) http://dev.mysql.com/doc/refman/5.0/en/cast-functions.html#function_cast




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