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Posted to dev@sqoop.apache.org by "Mark Grover (JIRA)" <ji...@apache.org> on 2015/03/04 00:01:05 UTC
[jira] [Created] (SQOOP-2165) Can't use warehouse-dir with parquet
Mark Grover created SQOOP-2165:
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Summary: Can't use warehouse-dir with parquet
Key: SQOOP-2165
URL: https://issues.apache.org/jira/browse/SQOOP-2165
Project: Sqoop
Issue Type: Bug
Components: hive-integration
Affects Versions: 1.4.5
Reporter: Mark Grover
Gwen and I were working on some code for Data Warehousing that uses sqoop and we found something interesting.
At one place:
Sqoop1 claims warehouse-dir and target-dir are incompatible:
https://github.com/apache/sqoop/blob/trunk/src/java/org/apache/sqoop/tool/ImportTool.java#L1006
(We should mention this in the docs btw)
But, then if we only put the warehouse-dir (and don't specify the target dir), it complains that the target-dir needs to be specified. See here:
https://github.com/apache/sqoop/blob/trunk/src/java/org/apache/sqoop/tool/ImportTool.java#L1019
And, fyi, here is the query we ran:
{code}
sqoop job --create user_upserts_import --meta-connect jdbc:hsqldb:hsql://${SQOOP_METASTORE_HOST}:16000/sqoop \
-- import --connect jdbc:mysql://mgrover-haa-2.vpc.cloudera.com:3306/oltp --username root \
-m 8 --incremental append --check-column last_modified --split-by last_modified --as-parquetfile \
--query 'SELECT user.id, user.age, user.gender,
occupation.occupation, zipcode, last_modified FROM user JOIN occupation
ON (user.occupation_id = occupation.id) WHERE $CONDITIONS' \--hive-import --hive-table user_upserts --warehouse-dir /etl/movielens/
{code}
If we specify just the target-dir, we get a warning about writing to target-dir and the data goes to default warehouse directory (/usr/hive...), which is pretty unexpected:
15/03/03 14:47:22 WARN util.AppendUtils: Cannot append files to target dir; no such directory: _sqoop/03144643000000600_30456_mgrover-haa2-4.vpc.cloudera.com_f8bf8ac4
obviously the directory in the warning is not the target dir we specified... this looks like something internal to the Kite/Parquet code.
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