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From "Aleksey Yeschenko (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-5452) Allow empty blob literals in CQL3
Date Wed, 10 Apr 2013 21:11:16 GMT


Aleksey Yeschenko commented on CASSANDRA-5452:

> Allow empty blob literals in CQL3
> ---------------------------------
>                 Key: CASSANDRA-5452
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.1
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>            Priority: Minor
>             Fix For: 1.2.5
>         Attachments: 5452.txt
> The current grammar don't allow empty blob literals (so '0x'). The goal here is to allow
the following syntax for that:
> {noformat}
> INSERT INTO test(k, b) VALUES (0, 0x)
> {noformat}
> I'll admit that '0x' is not the most beautiful syntax ever, but I think that's the only
thing that make sense.
> I'll note that currently there is 2 workaround to insert empty blobs: you can either
use prepared statement (not a bad idea when using blobs anyway) or, because we've deprecated
but still support until 2.0 using strings as blob (to allow upgrade from 1.2.0 to 1.2.1),
you can use an empty string. I'll note that this latter workaround will trigger a deprecation
warning in the log however and will stop working in 2.0.

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