Managing bindings

Bindings contain information about a connection, data format, and data schema. You can use different bindings in the same query.

Creating a bindingCreating a binding

To create a binding:

1. In the management console, select the folder where you want to create a binding.
2. Go to Yandex Query.
3. In the left-hand panel, select Bindings.
4. Click Create.
5. Under Connection parameters:
   1. Select the type of connection to create a binding for: Data Streams or Object Storage.
   2. Select a connection or create a new one.
6. Under Binding parameters:

   1. Enter a name and description for the binding. Follow these naming requirements:

      • The name must be in lowercase Latin letters.
      • Length: between 3 and 63 characters.
      • It may contain digits and hyphens.
      • The first character must be a letter, the last one cannot be a hyphen.

   2. For the Data Streams connection type, select a data stream or create a new one.
      For the Object Storage connection type, specify the bucket path.

   3. (Optional) Select the compression algorithm.

   4. Select data binding format.

   5. Add columns:

      • Enter a name for the column.
      • Select the column type.
      • Enable Required, if required.
7. Click Create.

Getting binding infoGetting binding info

1. In the management console , select the folder the binding was created in.

2. Go to Yandex Query.

3. In the left-hand panel, select Bindings.

4. In the row with the binding, click .
   You will see the binding info under the list of bindings.
   General:

   • Data paths
   • Data format
   • Compression

   Columns: List of data binding columns and their types.

   Connection parameters:

   • Type
   • Source info
   • Authentication

   Meta:

   • ID
   • Creation timestamp
   • Author

Changing a bindingChanging a binding

1. In the management console, select the folder want to change a binding in.
2. Go to Yandex Query.
3. In the left-hand panel, select Bindings.
4. In the row with the binding, click and select Edit.
5. Specify new parameters for the data binding. You cannot edit information in the Connection parameters section.
6. Click Modify.

Deleting a bindingDeleting a binding

1. In the management console, select the folder want to delete a binding in.
2. Go to Yandex Query.
3. In the left-hand panel, select Bindings.
4. In the row with the binding, click and select Delete.
5. Confirm the deletion.