Jelena created PHOENIX-2505:
-------------------------------
Summary: Unexpected error caused by GROUP BY
Key: PHOENIX-2505
URL: https://issues.apache.org/jira/browse/PHOENIX-2505
Project: Phoenix
Issue Type: Bug
Reporter: Jelena
Priority: Minor
If you are selecting more than 2 rows, and you have a Boolean and any number
type, depending on the order in which you put them in the GROUP BY clause, you
get the following error:
{noformat}Error during Execute
S1000(2020)[Simba][Phoenix] (2020) An error occured while trying to fetch a
result set: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 500 </title>
</head>
<body>
<h2>HTTP ERROR: 500</h2>
<p>Problem accessing /. Reason:
<pre> org.apache.phoenix.schema.TypeMismatchException: ERROR 203 (22005):
Type mismatch. DECIMAL cannot be coerced to BOOLEAN</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>
</body>
</html>{noformat}
Some examples:
Order that throws error:
GROUP BY NUMBER_TYPE, BOOLEAN, ANY_TYPE
GROUP BY BOOLEAN, NUMBER_TYPE, ANY_TYPE
GROUP BY BOOLEAN, ANY_TYPE, NUMBER_TYPE
Order that does not throw the error:
GROUP BY NUMBER_TYPE, ANY_TYPE, BOOLEAN
GROUP BY NON_NUMBER_TYPE, BOOLEAN, NUMBER_TYPE ==> NOTE: there can be
any number of NON_NUMBER_TYPE columns before the first one
GROUP BY NON_BOOLEAN_TYPE, NUMBER_TYPE, BOOLEAN ==> NOTE: there can
be any number of NON_BOOLEAN_TYPE columns before the NUMBER_TYPE
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