OK, great. Can you drive this by submitting pull requests.

> On Apr 30, 2015, at 12:54 AM, Xavier Leong <[email protected]> wrote:
> 
> Thanks Julian for the insight of Calcite path. My colleague just opened JIRA 
> for supporting DML (705) and DDL (706).
> 
> We can work together to accomplish the common goal, thanks.
> 
> +1 for DML support, as it will solve the gaps in statement execute() call 
> differentiating a DQL preparedStatement vs a DML preparedStatement.
> 
> 
> -----Original Message-----
> From: Julian Hyde [mailto:[email protected]] 
> Sent: Thursday, April 30, 2015 1:23 AM
> To: dev@calcite
> Subject: Re: Calcite supporting DDL
> 
> I would like Calcite to support simple DDL.
> 
> DDL (and other commands such as KILL STATEMENT) make it possible to do a wide 
> range of operations over a REST or JDBC interface. We can't expect everything 
> do be done locally, using Java method calls.
> 
> I expect that projects that use Calcite will define their own DDL. (In fact 
> Drill and Phoenix already do; see
> https://issues.apache.org/jira/browse/PHOENIX-1706.) Those projects are very 
> likely to have their own variations on CREATE TABLE etc. so they will want to 
> extend the parser. What I did in Phoenix (which was in turn adapted from 
> Drill) is a model that other projects can follow.
> 
> But the base Calcite project should have CREATE TABLE, DROP TABLE, CREATE 
> SCHEMA, DROP SCHEMA, CREATE [ OR REPLACE ] VIEW etc. There will be an AST 
> (extending SqlNode) for each of these commands, and a command-handler. Each 
> project that uses Calcite could extend those ASTs, but it would be fine if it 
> built its own AST and command-handler.
> 
> On Wed, Apr 29, 2015 at 1:11 AM, Xavier Leong <[email protected]> wrote:
>> Dear commiters, as the root schema can be immutable and change during run 
>> time, it is possible to have DDL to change the schema, create tables, view, 
>> or alter tables. Like to know if this part of the roadmap to support DDL, or 
>> is it up to the storage layer (adapter) to handles schema changes via other 
>> SPI.
>> 
>> Thanks.
>> 
>> DISCLAIMER
>> ==========
>> This e-mail may contain privileged and confidential information which is the 
>> property of Persistent Systems Ltd. It is intended only for the use of the 
>> individual or entity to which it is addressed. If you are not the intended 
>> recipient, you are not authorized to read, retain, copy, print, distribute 
>> or use this message. If you have received this communication in error, 
>> please notify the sender and delete all copies of this message. Persistent 
>> Systems Ltd. does not accept any liability for virus infected mails.
>> 
> 
> DISCLAIMER
> ==========
> This e-mail may contain privileged and confidential information which is the 
> property of Persistent Systems Ltd. It is intended only for the use of the 
> individual or entity to which it is addressed. If you are not the intended 
> recipient, you are not authorized to read, retain, copy, print, distribute or 
> use this message. If you have received this communication in error, please 
> notify the sender and delete all copies of this message. Persistent Systems 
> Ltd. does not accept any liability for virus infected mails.
> 

Reply via email to