Hi,
Seems that per the documentation on information_schema.views [1] we do not support check_options ("Applies to a feature not available in PostgreSQL").
Attached is a patch that fix this description. As CHECK OPTION is supported since 9.4, the patch might be applied on all versions since 9.4.
[1] https://www.postgresql.org/docs/current/infoschema-views.html
-- Gilles Darold http://www.darold.net/
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