Thanks v much Edward, I am looking at those resources now. The queries in clientpositive are quite instructive.
Here is the correct way to do it so it seems hive> create table dem2 like demographics_local; OK Time taken: 0.188 seconds hive> hive> insert overwrite table dem2 select * from demographics_local; ... 301399 Rows loaded to dem2 2012/3/29 Edward Capriolo <edlinuxg...@gmail.com> > You really do not want to mimic the syntax in Jira. In jira the issue > bounces back and forth and people are fairly loose in describing > syntax. > > You want to use the hive language manual > https://cwiki.apache.org/confluence/display/Hive/LanguageManual > > Or if you are are feeling brave look in the clientpositive directory > of the source code. > > Edward > > On Thu, Mar 29, 2012 at 1:15 PM, Stephen Boesch <java...@gmail.com> wrote: > > I see hive-31 supposedly supports this, but when mimicking the syntax in > the > > jira i get errors > > > > https://issues.apache.org/jira/browse/HIVE-31 > > > > hive> create table dem select demographics_local.* from > > demographics_local; > > FAILED: Parse Error: line 1:19 cannot recognize input near 'select' > > 'demographics_local' '.' in create table statement > > > > I tried some variants on the above with similar results: > > > > hive> insert overwrite table dem select * from demographics_local; > > FAILED: Error in semantic analysis: Line 1:23 Table not found 'dem' > > > > > > If i create the target table first, then things are ok. But is that > > necessary? > > > > hive> create table dem(uid int, age string, gender string, dlocation > string, > > > children string, home_market_value string, home_owner_status > string, > > home_property_type string, > > > household_income string, length_of_residence string, marital_status > > string) > > > ; > > OK > > hive> insert overwrite table dem select * from > > demographics_local; > > Total MapReduce jobs = 2 > > Launching Job 1 out of 2 > > ... > > Table default.dem stats: [num_partitions: 0, num_files: 1, num_rows: 0, > > total_size: 9946167, raw_data_size: 0] > > 301399 Rows loaded to dem > > OK > > > > >
