Thanks Adam. As mentioned we have a need that in a single query it should be done, since ours is an automated query generation and no manual interactions are done.
We need a query like *Create table if not exists newTable like oldTable, newColumn datatype* *Without copying data from oldTable. * On Monday, August 10, 2015, LaStrange, Adam <adam.lastra...@sig.com> wrote: > How about: > > > > create table XXX like YYY; > > alter table XXX add columns (new_column int); > > > > *From:* venkatesh b [mailto:venkateshmailingl...@gmail.com > <javascript:_e(%7B%7D,'cvml','venkateshmailingl...@gmail.com');>] > *Sent:* Monday, August 10, 2015 9:28 AM > *To:* Wangwenli > *Cc:* user > *Subject:* Re: How to create new table like existing with an extra column > in single query. > > > > Thanks Wenli for quick reply. > > > > Yes, we have a requirement exactly the same which you mentioned. > > > > I have tried the query which you provided but got an error saying that > > "Invalid column reference for newColumn possible columns are ......" > > > > > > > > Thanks > > Venkatesh > > On Monday, August 10, 2015, Wangwenli <wangwe...@huawei.com > <javascript:_e(%7B%7D,'cvml','wangwe...@huawei.com');>> wrote: > > something like this? > > create table newTable as select oldTable.*, newCol1,newCol2 from oldTable; > > > ------------------------------ > > wenli > > Regards > > > > *From:* venkatesh b > > *Date:* 2015-08-10 20:54 > > *To:* user > > *Subject:* How to create new table like existing with an extra column in > single query. > > Hello, > > > > In hive we got a need that we need to create a new table like the old > table with an extra column at run time. This must be done in a single > query. No second query with alter table statement. > > > > Query like: > > > > Create table new_table like old_table , new_column datatype; > > > > Please help me out, searched in many forums but not found the solution. > > Please inform me if any other information is needed. > > > > Thanks & Regards > > Venkatesh > > > ------------------------------ > > IMPORTANT: The information contained in this email and/or its attachments > is confidential. If you are not the intended recipient, please notify the > sender immediately by reply and immediately delete this message and all its > attachments. Any review, use, reproduction, disclosure or dissemination of > this message or any attachment by an unintended recipient is strictly > prohibited. Neither this message nor any attachment is intended as or > should be construed as an offer, solicitation or recommendation to buy or > sell any security or other financial instrument. Neither the sender, his or > her employer nor any of their respective affiliates makes any warranties as > to the completeness or accuracy of any of the information contained herein > or that this message or any of its attachments is free of viruses. >
