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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-2883) Add Support for BigDecimal Java data type as the "DecimalType" AbstractType
Date Tue, 06 Sep 2011 21:55:10 GMT


Jonathan Ellis commented on CASSANDRA-2883:

Don't we need to add antlr support for specifying the type as decimal(precision, scale)?

> Add Support for BigDecimal Java data type as the "DecimalType" AbstractType
> ---------------------------------------------------------------------------
>                 Key: CASSANDRA-2883
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Core
>    Affects Versions: 0.8.1
>            Reporter: Rick Shaw
>            Assignee: Rick Shaw
>            Priority: Trivial
>              Labels: CQL, JDBC,, lhf
>             Fix For: 0.8.6
>         Attachments: add-decimaltype-v1.txt
> The JDBC Driver suite needs support for {{BigDecimal}} to complete it's data type support
for {{ResultSet}} and {{PreparedStatement}}. This datatype could also be used to represent
numeric (non-integer) counter values. This is a very simple addition to the collection of
data types supported by Cassandra. It is quite versatile like {{BigInteger}}. It can represent
decimal numbers of virtually any precision and scale. It is represented in Java as an arbitrary
precision integer unscaled value ( think {{IntegerType}} )and a 32-bit integer scale factor,
which could be represented as a {{IntegerType}} as well. This could share much of the logic
from the {{BigInteger}} ({{IntegerType}}) implementation. 
> CQL would need to add a datatype (decimal?). Decimal literal support is already provided
in CQL.
> This is low hanging fruit.

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