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From "Francis Chuang (JIRA)" <>
Subject [jira] [Created] (CALCITE-1957) Cannot read HSQLDB CLOBs from avatica
Date Fri, 18 Aug 2017 05:29:00 GMT
Francis Chuang created CALCITE-1957:

             Summary: Cannot read HSQLDB CLOBs from avatica
                 Key: CALCITE-1957
             Project: Calcite
          Issue Type: Bug
          Components: avatica
            Reporter: Francis Chuang

HSQLDB has a CLOB type for storing character LOBs or really long strings.

I created a table like so:
CREATE TABLE some_table (
	clob CLOB,

I inserted the CLOB using the STRING rep type. The insert works correctly.

However, if I execute `SELECT * FROM some_table`, I get this error from avatica:

RuntimeException: Unhandled type in Frame: class org.hsqldb.jdbc.JDBCClobClient

It seems to be thrown here because Avatica is not able to handle the CLOB type:

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