Create an External file format object.
::=
CREATE EXTERNAL FILE FORMAT file_format_name
WITH (
FORMAT_TYPE = PARQUET
[ , DATA_COMPRESSION = {
'org.apache.hadoop.io.compress.SnappyCodec'
| 'org.apache.hadoop.io.compress.GzipCodec' }
]);
--Create an external file format for ORC files.
CREATE EXTERNAL FILE FORMAT file_format_name
WITH (
FORMAT_TYPE = ORC
[ , DATA_COMPRESSION = {
'org.apache.hadoop.io.compress.SnappyCodec'
| 'org.apache.hadoop.io.compress.DefaultCodec' }
]);
--Create an external file format for RCFILE.
CREATE EXTERNAL FILE FORMAT file_format_name
WITH (
FORMAT_TYPE = RCFILE,
SERDE_METHOD = {
'org.apache.hadoop.hive.serde2.columnar.LazyBinaryColumnarSerDe'
| 'org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe'
}
[ , DATA_COMPRESSION = 'org.apache.hadoop.io.compress.DefaultCodec' ]);
--Create an external file format for DELIMITED TEXT files.
CREATE EXTERNAL FILE FORMAT file_format_name
WITH (
FORMAT_TYPE = DELIMITEDTEXT
[ , FORMAT_OPTIONS ( [ ,...n ] ) ]
[ , DATA_COMPRESSION = {
'org.apache.hadoop.io.compress.GzipCodec'
| 'org.apache.hadoop.io.compress.DefaultCodec'
}
]);
{
FIELD_TERMINATOR = field_terminator
| STRING_DELIMITER = string_delimiter
| DATE_FORMAT = datetime_format
| USE_TYPE_DEFAULT = { TRUE | FALSE }
}
I hope that the functionality of the above attribute is clear to you now. Now you can use this code in your application If you have further question, just drop a line below and I will try to answer you as soon as possible.
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