[MAGETWO-1556] Export: Unable to Filter Data by Attribute With Input Type Multiple Select

[piotrekkaminski]

When trying to filter data by attribute with input type = Multiple Select, no data is exported to csv file.

Preconditions

There is a custom attribute created with input type Multiple Select, 3 options enabled ("Option 1", "Option 2", "Option 3").
There is a customer in the system created with custom attribute value = "Option 1" and "Option 2".
Version 2.0

Steps to reproduce

1. Go to System-> Import/Export-> Export at backend
2. Select "Customers" entity type
3. Select "Magento 1.7 format"
4. In the grid for attribute from precondition select "Option 1" filter
5. Press "Continue" button

Expected Result

The file was exported with customer from precondition

Actual Result

1. File was not exported.
2. The error message appears "There is no data for export"

Note

The same situation with "Magento 2.0" Export format for all customer entity types

[piotrekkaminski]

This issue was moved to magento-engcom/import-export-improvements#33