Stephen Boesch 2013-08-25, 20:38
Lefty Leverenz 2013-08-26, 04:02
-Re: BNF for Hive Views
Stephen Boesch 2013-08-26, 04:14
I was already well familiar with the content of the links you provided. I
have a specific question about the BNF for views (and potentially other
ddl/dml) that does not appear to be addressed . Thanks.
2013/8/25 Lefty Leverenz <[EMAIL PROTECTED]>
> Let me introduce you to the Hive wiki.
> - Hive wiki home page:
> - Language manual:
> - DDL:
> - Views:
> - Excerpt: "A view's schema is frozen at the time the view is
> created; subsequent changes to underlying tables (e.g. adding a column)
> will not be reflected in the view's schema. If an underlying table is
> dropped or changed in an incompatible fashion, subsequent attempts to query
> the invalid view will fail."
> - New in Hive 0.11:
> - SELECT:
> The wiki is still a work in progress, but you'll find more DDL information
> than in the old Hive xdocs that Cloudera provides. Everything in the xdocs
> is in the wiki now (except for some nifty headings in the CREATE TABLE
> section, which ought to be added to the wiki).
> -- Lefty
> On Sun, Aug 25, 2013 at 4:38 PM, Stephen Boesch <[EMAIL PROTECTED]> wrote:
>> It appears a bit challenging to find the BNF's for the hive DDL's. After
>> a few google's the following popped up for cdh3 and only for a subset of
>> table creation's.
>> Is there an updated and more complete DDL BNF reference? Although my
>> present need is for views (and specifically how to impose a schema on a
>> view), the BNF for other statements would also be helpful.
Lefty Leverenz 2013-08-26, 04:18
Stephen Boesch 2013-08-26, 04:23
Stephen Boesch 2013-08-26, 04:29