You can preview data if there are no mapping validation errors in the selected transformation. An
shows preview data for the selected transformation. You can preview data for hierarchical data types.
You can preview data for any transformation except for the following transformations:
Hierarchy Processor with multiple output groups
You can preview data for sources except for sources meeting the following conditions:
Sources with binary fields
Data preview is available in an AWS environment.
A preview job runs on the same cluster as other elastic jobs. If the cluster is saturated with other jobs, the preview job can take longer to run and return data.
Effective in the July 2021 release, previewing data in elastic mappings is available for preview.
Preview functionality is supported for evaluation purposes but is unwarranted and is not supported in production environments or any environment that you plan to push to production. Informatica intends to include the preview functionality in an upcoming release for production use, but might choose not to in accordance with changing market or technical circumstances. For more information, contact Informatica Global Customer Support.