You must import a directory that contains only partition folders and select the source type as

Directory

in the advanced source property.

If you import a partition directory that does not have data, a validation error is encountered.

If you import a partition directory that contains only files but no partition folders, a validation error is encountered.

If you import a partition directory that has a partition folder but no files in the partition folder, a validation error is encountered.

You can read data from or write data to partition folders with Avro, Parquet, and Orc files.

The FileName field has 0 as the partition order.

The partitioned directory that you select cannot have a partitioned column named FileName. The name is case insensitive.

When you import an existing target object or create a new target object with a partition directory, the FileName field does not appear for the target objects. The FileName field appears only when you import the source objects.

You can push down a Filter transformation on a partition column for an Amazon S3 source.

When you pass a timestamp value in a partition column, the value gets encoded. For example,

03:26:01

gets encoded as

03%3A26%3A01

.

When you pass a value with special characters in a partition column, the value gets encoded. For example,

@#$#$%%?*

gets encoded as

@%23$%23$%25%25%3F%2A

.

When you import a directory that has a partition folder, the data type for the partition column is imported as a String.

You cannot edit the data type for a partition column.

You cannot use columns of hierarchical data type as partition columns.

You cannot use the

Edit Metadata

option with partition columns.

You cannot use the

View Schema

option for a partition directory at source and target side.

You cannot use the

Import from Schema File

option for partition directory at source because the schema file does not have information for partition columns.

You cannot use the

Data Preview

option with partition columns.

You cannot select the partition columns in a mapping task if the target object is parameterized.

For

Create Target

, you can add partition fields and arrange the partition columns in an order. You cannot add partition fields and arrange the partition columns in an order for an existing target.

At

Create Target

, the

Label

column in the

Partitions

tab denotes the partition column name.

When you import an Amazon S3 object that has partition columns, the partition fields are listed at the end of the list.

If a partition column contains data that has more than 255 characters, the data is truncated and only 255 characters are written in the partition column.

If a partition column name contains more than 74 characters, the name is truncated and only 74 characters are written in the partition column name.

The value of the partition directory file path formed using the combination of the partition column name and the target file within the partition directory must not exceed 1024 characters. Otherwise, the mapping will fail.