yeah.i agree. that doesn't make any sense. why in the world would the "where clause" not be supported with that syntax? something's rotten in denmark there with your query.
what version of hive are you seeing this on? On Tue, Jul 30, 2013 at 9:34 PM, Sha Liu <lius...@hotmail.com> wrote: > Doesn't INSERT INTO do what you said? I'm not sure I understand "inserting > a few records into a table". > > Anyway here the problem seems different to me. For my cases these where > clauses for multiple inserts seem not effective, while Hive doesn't > complain about that. > > -Sha > > ------------------------------ > Date: Tue, 30 Jul 2013 21:06:22 -0700 > > Subject: Re: Multiple Insert with Where Clauses > From: bruder...@radiumone.com > To: user@hive.apache.org > > Hive doesn't support inserting a few records into a table. You will need > to write a query to union your select and then insert. IF you can > partition, then you can insert a whole partition at a time instead of the > table. > > Thanks, > Brad > > > On Tue, Jul 30, 2013 at 9:04 PM, Sha Liu <lius...@hotmail.com> wrote: > > Yes for the example you gave, it works. It even works when there is a > single insert under the from clause, but there there are multiple inserts, > the where clauses seem no longer effective. > > ------------------------------ > Date: Tue, 30 Jul 2013 20:29:19 -0700 > Subject: Re: Multiple Insert with Where Clauses > From: bruder...@radiumone.com > To: user@hive.apache.org > > > Have you simply tried > > INSERT OVERWRITE TABLE destination > SELECT col1, col2, col3 > FROM source > WHERE col4 = 'abc' > > Thanks! > > > > On Tue, Jul 30, 2013 at 8:25 PM, Sha Liu <lius...@hotmail.com> wrote: > > Hi Hive Gurus, > > When using the Hive extension of multiple inserts, can we add Where > clauses for each Select statement, like the following? > > FROM ... > INSERT OVERWRITE TABLE ... > SELECT col1, col2, col3 > *WHERE col4='abc'* > INSERT OVERWRITE TABLE ... > SELECT col1, col4, col2 > *WHERE col3='xyz'* > * > * > The underlined parts didn't cause any errors, but they didn't seem to be > effective either (I'm using Hive 0.9). Note that the columns used in the > Where clauses are not among the selected ones, but I'm not sure if that is > important. Is this kind of operations supported? > > Thanks, > Sha Liu > > > >
