Thank you, Ed. Works like a charm after I remove the Hive2rdbms references. I've uploaded the jar to the JIRA for those who want to use it.....
On Feb 22, 2011, at 1:13 PM, Edward Capriolo wrote: > On Tue, Feb 22, 2011 at 1:09 PM, Jay Ramadorai > <jramado...@tripadvisor.com> wrote: >> Thank you, Ed. Trying it now, but I need the following package to build >> HiveUtil: >> >> com.media6.hive2rdbms.common.Hive2RdbmsConf; >> >> can you point me to where I can get it from? >> >> On Feb 22, 2011, at 10:51 AM, Edward Capriolo wrote: >> >> On Mon, Feb 21, 2011 at 7:31 PM, Edward Capriolo <edlinuxg...@gmail.com> >> wrote: >> >> On Mon, Feb 21, 2011 at 6:42 PM, Jay Ramadorai >> >> <jramado...@tripadvisor.com> wrote: >> >> Does anyone have a way of generating the create table statement for a table >> >> that is in Hive? I see a jira for >> >> this https://issues.apache.org/jira/browse/HIVE-967 and it appears that Ed >> >> Capriolo might have a solution for this. Ed, are you able to share this >> >> solution? >> >> My goal is to copy a bunch of Hive tables from one cluster to another. What >> >> I'd like to do is generate the DDL from one cluster and run it on the other, >> >> and then use DISTCP with lots of mappers to parallel-copy the table-data >> >> between the clusters. FYI, my metadata is in Derby. I could backup and >> >> restore the metadata directories but I dont want a copy of all the tables >> >> from the source database, only a subset. >> >> I tried Sqooping the table out of Hive, but it runs into : >> >> 11/02/21 18:23:50 ERROR manager.SqlManager: Error executing statement: >> >> java.sql.SQLException: Method not supported >> >> 11/02/21 18:23:50 ERROR sqoop.Sqoop: Got exception running Sqoop: >> >> java.lang.NullPointerException >> >> java.lang.NullPointerException >> >> at >> >> com.cloudera.sqoop.hive.TableDefWriter.getCreateTableStmt(TableDefWriter.java:133) >> >> Apparently the Hive Thrift jdbc driver doesnt support extracting table >> >> metadata. >> >> Please feel free to suggest alternative approaches. >> >> thanks >> >> Jay >> >> >> I do have some code that can generate DML. It is a separate problem >> >> that talks to the metastore (outside of the hive cli). I will throw >> >> the code up in the Jira tomorrow. However the plan for the Jira is to >> >> incorporate this in hive with a show create table. >> >> >> Jay, >> >> I uploaded my "show create table" program to >> https://issues.apache.org/jira/browse/HIVE-967. >> >> Caveats: This is a program you need to build against hive lib files. >> Caveats: There are edge cases where this will not produce the correct >> show table statement (hbase storage handler for example) >> Caveats: Does actually work though ! >> >> Enjoy >> >> > > That is just an artifact from the code i ripped it out of. From a > quick scan you should be able to remove those references. Contact me > off list if you are having issues.
