layout: global title: INSERT OVERWRITE DIRECTORY displayTitle: INSERT OVERWRITE DIRECTORY license: | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
The INSERT OVERWRITE DIRECTORY
statement overwrites the existing data in the directory with the new values using either spark file format or Hive Serde. Hive support must be enabled to use Hive Serde. The inserted rows can be specified by value expressions or result from a query.
INSERT OVERWRITE [ LOCAL ] DIRECTORY [ directory_path ] { spark_format | hive_format } { VALUES ( { value | NULL } [ , ... ] ) [ , ( ... ) ] | query }
While spark_format
is defined as
USING file_format [ OPTIONS ( key = val [ , ... ] ) ]
hive_format
is defined as
[ ROW FORMAT row_format ] [ STORED AS hive_serde ]
directory_path
Specifies the destination directory. The LOCAL
keyword is used to specify that the directory is on the local file system. In spark file format, it can also be specified in OPTIONS
using path
, but directory_path
and path
option can not be both specified.
file_format
Specifies the file format to use for the insert. Valid options are TEXT
, CSV
, JSON
, JDBC
, PARQUET
, ORC
, HIVE
, LIBSVM
, or a fully qualified class name of a custom implementation of org.apache.spark.sql.execution.datasources.FileFormat
.
OPTIONS ( key = val [ , ... ] )
Specifies one or more options for the writing of the file format.
hive_format
Specifies the file format to use for the insert. Both row_format
and hive_serde
are optional. ROW FORMAT SERDE
can only be used with TEXTFILE
, SEQUENCEFILE
, or RCFILE
, while ROW FORMAT DELIMITED
can only be used with TEXTFILE
. If both are not defined, spark uses TEXTFILE
.
row_format
Specifies the row format for this insert. Valid options are SERDE
clause and DELIMITED
clause. SERDE
clause can be used to specify a custom SerDe
for this insert. Alternatively, DELIMITED
clause can be used to specify the native SerDe
and state the delimiter, escape character, null character, and so on.
hive_serde
Specifies the file format for this insert. Valid options are TEXTFILE
, SEQUENCEFILE
, RCFILE
, ORC
, PARQUET
, and AVRO
. You can also specify your own input and output format using INPUTFORMAT
and OUTPUTFORMAT
.
VALUES ( { value |
NULL } [ , ... ] ) [ , ( ... ) ]
Specifies the values to be inserted. Either an explicitly specified value or a NULL can be inserted. A comma must be used to separate each value in the clause. More than one set of values can be specified to insert multiple rows.
query
A query that produces the rows to be inserted. It can be in one of following formats:
FROM
statementINSERT OVERWRITE DIRECTORY '/tmp/destination' USING parquet OPTIONS (col1 1, col2 2, col3 'test') SELECT * FROM test_table; INSERT OVERWRITE DIRECTORY USING parquet OPTIONS ('path' '/tmp/destination', col1 1, col2 2, col3 'test') SELECT * FROM test_table;
INSERT OVERWRITE LOCAL DIRECTORY '/tmp/destination' STORED AS orc SELECT * FROM test_table; INSERT OVERWRITE LOCAL DIRECTORY '/tmp/destination' ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' SELECT * FROM test_table;