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From "Gary Dusbabek (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-2124) JDBC driver for CQL
Date Tue, 15 Mar 2011 13:47:30 GMT


Gary Dusbabek commented on CASSANDRA-2124:

bq. do we support resultsetmetadata for "mostly static" CFs?
No.  If we did, I'd be in favor for the results [of the RSMD methods] to be indicative of
the current row of the result set.  This would satisfy the "mostly static" results and also
the "mostly sparse" results.

e.g. {code}
ResultSet rs = stmt.executeQuery("SELECT ...");
ResultSetMetaData md = rs.getResultSetMetaData();
while ( {
  md.getColumnName(0); // refers to the current row of rs, not every row of rs.

methods like getType() will still apply to the entire result set.

> JDBC driver for CQL
> -------------------
>                 Key: CASSANDRA-2124
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: API
>            Reporter: Eric Evans
>            Assignee: Vivek Mishra
>            Priority: Minor
>              Labels: cql
>             Fix For: 0.8
>         Attachments: Cassandra-2124_v1.0, Cassandra_2124_decoder.patch, cassandra-0.7.1-2124_v2.0,
cassandra-0.7.1-2124_v2.1, cassandra_generic_decoder.patch, cassandra_generic_decoder_v1.1.patch,
v3-0001-first-pass-at-column-decoding.txt, v3-0002-clean-up-JdbcDriverTest.txt, v3-0003-implements-getXXX-methods-to-return-values-of-the-corr.txt,
v3-0004-more-comments-in-ColumnDecoder.txt, v3-0005-move-all-java-cql-into-jdbc-package-and-only-expose-.patch
> A simple connection class and corresponding pool was created for CQL as a part of CASSANDRA-1710,
but a JDBC driver (either in addition to, or as a replacement for) would also be interesting.

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