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From "Alessandro Solimando (Jira)" <j...@apache.org>
Subject [jira] [Created] (CALCITE-3465) Cover Cassandra 3.x data types
Date Thu, 31 Oct 2019 10:20:00 GMT
Alessandro Solimando created CALCITE-3465:
---------------------------------------------

             Summary: Cover Cassandra 3.x data types
                 Key: CALCITE-3465
                 URL: https://issues.apache.org/jira/browse/CALCITE-3465
             Project: Calcite
          Issue Type: Improvement
          Components: cassandra-adapter
    Affects Versions: 1.21.0
            Reporter: Alessandro Solimando


Currently cassandra-adapter covers only part of the [data types available in Cassandra 3.x|[https://docs.datastax.com/en/archived/cql/3.3/cql/cql_reference/cql_data_types_c.html]],
the scope of the ticket is to extend the coverage and support all data types.

Current status:
||CQL Data Type||SQL Data Type||Java Class||Supported||
|uuid|CHAR|java.lang.String|Y|
|timeuuid|CHAR|java.lang.String|Y|
|ascii|VARCHAR|java.lang.String|Y|
|text|VARCHAR|java.lang.String|Y|
|varchar|VARCHAR|java.lang.String|Y|
|int (cint)|INTEGER|int|Y|
|varint|INTEGER|int|Y|
|bigint|BIGINT|long|Y|
|double (cdouble)|DOUBLE|double|Y|
|float (cfloat)|DOUBLE (should be REAL?)|float|Y|
|decimal|DOUBLE|N/A|Y|
|blob|VARBINARY|N/A|N|
|boolean|BOOLEAN|N/A|N|
|counter|INTEGER|N/A|N|
|date|DATE|N/A|N|
|frozen|?|N/A|N|
|inet|?|N/A|N|
|list|ARRAY?|N/A|N|
|map|MAP|N/A|N|
|set|?|N/A|N|
|smallint|SMALLINT|N/A|N|
|time|TIME?|N/A|N|
|timestamp|TIMESTAMP|N/A|N|
|tinyint|TINYINT|N/A|N|
|tuple|ARRAY?|N/A|N|

Second column is derived from _org.apache.calcite.adapter.cassandra.CassandraSchema.getRelDataType(...),_
third column fromĀ _org.apache.calcite.adapter.cassandra.currentRowField(...)._



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