sqoop-export(1)
===============

NAME
----
sqoop-export - Export records from HDFS to a table in an RDBMS

SYNOPSIS
--------
'sqoop-export' <generic-options> <tool-options>

'sqoop export' <generic-options> <tool-options>


DESCRIPTION
-----------

include::../user/export-purpose.txt[]

OPTIONS
-------

The +--connect+, +--export-dir+, and +--table+ options are required.

include::common-args.txt[]

Export control options
~~~~~~~~~~~~~~~~~~~~~~

--direct::
  Use direct import fast path (MySQL)

--export-dir (dir)::
  HDFS source path for the export

-m::
--num-mappers (n)::
  Use 'n' map tasks to import in parallel

--table (table-name)::
  The table to read (required)

--update-key (col-names)::
  Anchor column to use for updates. More than one column names may be specified
  as a comma separated list of column names.

--update-mode (mode)::
  Specify how updates are performed when new rows are found with non-matching keys
  in database. By default, "mode" is +updateonly+, in which case new rows are
  silently ignored. Alternatively, "mode" can be +allowinsert+, in which case
  new rows are inserted instead.

--input-null-string::
  The string to be interpreted as null for string columns

--input-null-non-string::
  The string to be interpreted as null for non-string columns

--staging-table::
  The table in which data will be staged before being inserted in destination table.

--clear-staging-table::
  Will result in deletion of any data that exists in the staging table.

--batch::
  Use batch mode for underlying statement execution. This is useful, for example,
  for those databases that do not support multirow insert in a single statement yet.

include::input-args.txt[]

include::output-args.txt[]

include::codegen-args.txt[]

Database-specific options
~~~~~~~~~~~~~~~~~~~~~~~~~

Additional arguments may be passed to the database manager
after a lone '--' on the command-line.

In MySQL direct mode, additional arguments are passed directly to
mysqldump.

Note: When using MySQL direct mode, the MySQL bulk utilities
+mysqldump+ and +mysqlimport+ should be available on the task nodes and
present in the shell path of the task process.

ENVIRONMENT
-----------

See 'sqoop(1)'


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  Copyright 2011 The Apache Software Foundation

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