Replace the placeholder in the storage location with the actual value specified in the fileset properties

Oct 13, 2025 by pynkocean.com 123 views

[FEATURE] Support Location Placeholder When Creating Fileset

In the world of data management and file organization, flexibility is key. As data grows and becomes increasingly complex, the need for adaptable and efficient solutions becomes more pressing. One such solution is the ability to define storage locations with placeholders, which can be replaced when creating a fileset. This feature allows users to make fileset location definition more flexible, catering to the diverse needs of various projects and applications.

The proposed feature enables users to define storage locations with placeholders, which can be replaced with actual values when creating a fileset. This is achieved by supporting placeholders in the catalog location, schema location, and fileset storage location. The placeholders are denoted by double curly braces {{ }} and are specified in the fileset properties with a key in the format placeholder-{placeholder-name}.

The primary motivation behind this feature is to make fileset location definition more flexible. By allowing users to define storage locations with placeholders, we can cater to a wide range of use cases and applications. This flexibility is particularly important in scenarios where the storage location may need to be changed frequently or when working with different projects that have varying storage requirements.

To implement this feature, we will support placeholders in the following locations:

Catalog Location: The catalog location is where the fileset metadata is stored. By supporting placeholders in this location, users can define the storage location for their fileset metadata in a flexible and adaptable manner.
Schema Location: The schema location defines the structure and organization of the fileset. By supporting placeholders in this location, users can define the schema for their fileset in a way that is tailored to their specific needs.
Fileset Storage Location: The fileset storage location is where the actual files are stored. By supporting placeholders in this location, users can define the storage location for their files in a flexible and adaptable manner.

To specify the placeholder value, users will need to add a key to the fileset properties in the format placeholder-{placeholder-name}. This key will be used to replace the placeholder in the storage location.

To illustrate how this feature works, let's consider an example. Suppose we have a fileset that we want to store in a location that is defined by a placeholder. We can define the storage location as follows:

{{placeholder-location}}/fileset

In this example, the placeholder {{placeholder-location}} will be replaced with the actual value specified in the fileset properties.

To specify the placeholder value, we will add a key to the fileset properties in the format placeholder-{placeholder-name}. In this case, we will add the key placeholder-location with the value /path/to/storage/location.

The proposed feature offers several benefits, including:

Flexibility: By supporting placeholders in the storage location, users can define the storage location in a flexible and adaptable manner.
Customization: Users can tailor the storage location to their specific needs by specifying the placeholder value in the fileset properties.
Efficiency: By allowing users to define the storage location in a flexible and adaptable manner, we can reduce the need for manual intervention and increase efficiency.

To implement this feature, we will need to make the following changes:

Add support for placeholders in the catalog location, schema location, and fileset storage location.
Add a key to the fileset properties in the format placeholder-{placeholder-name} to specify the placeholder value.
Replace the placeholder in the storage location with the actual value specified in the fileset properties.

In conclusion, the proposed feature of supporting location placeholders when creating a fileset offers several benefits, including flexibility, customization, and efficiency. By allowing users to define the storage location in a flexible and adaptable manner, we can cater to a wide range of use cases and applications. We believe that this feature will be a valuable addition to our product and look forward to implementing it.
[FEATURE] Support Location Placeholder When Creating Fileset: Q&A

In our previous article, we introduced the feature of supporting location placeholders when creating a fileset. This feature allows users to define storage locations with placeholders, which can be replaced with actual values when creating a fileset. In this article, we will answer some frequently asked questions about this feature to provide more clarity and understanding.

A: Placeholders are special characters that can be used to represent actual values in a storage location. They are denoted by double curly braces {{ }} and are specified in the fileset properties with a key in the format placeholder-{placeholder-name}. When creating a fileset, the placeholder is replaced with the actual value specified in the fileset properties.

A: You can use placeholders in the following locations:

Catalog Location: The catalog location is where the fileset metadata is stored. By supporting placeholders in this location, users can define the storage location for their fileset metadata in a flexible and adaptable manner.
Schema Location: The schema location defines the structure and organization of the fileset. By supporting placeholders in this location, users can define the schema for their fileset in a way that is tailored to their specific needs.
Fileset Storage Location: The fileset storage location is where the actual files are stored. By supporting placeholders in this location, users can define the storage location for their files in a flexible and adaptable manner.

A: To specify the placeholder value, you need to add a key to the fileset properties in the format placeholder-{placeholder-name}. This key will be used to replace the placeholder in the storage location.

A: Yes, you can use placeholders with other fileset properties. However, you need to ensure that the placeholder is properly formatted and that the actual value specified in the fileset properties is correct.

A: The benefits of using placeholders in the fileset include:

Flexibility: By supporting placeholders in the storage location, users can define the storage location in a flexible and adaptable manner.
Customization: Users can tailor the storage location to their specific needs by specifying the placeholder value in the fileset properties.
Efficiency: By allowing users to define the storage location in a flexible and adaptable manner, we can reduce the need for manual intervention and increase efficiency.

A: If you encounter issues with placeholders in the fileset, you can try the following:

Check the placeholder format: Ensure that the placeholder is properly formatted and that the actual value specified in the fileset properties is correct.
Verify the fileset properties: Check that the fileset properties are correctly specified and that the placeholder value is correct.
Consult the documentation: Refer to the documentation for more information on using placeholders in the fileset.

In conclusion, the feature of supporting location placeholders when creating a fileset offers several benefits, including flexibility, customization, and efficiency. By allowing users to define the storage location in a flexible and adaptable manner, we can cater to a wide range of use cases and applications. We hope that this Q&A article has provided more clarity and understanding on this feature. If you have any further questions, please don't hesitate to contact us.