test: preliminar testing for view relationships

Author: steve-chavez

test/expected/views_rels.out

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+-- TODO: obtain view relationships here
+select * from all_m2o_and_o2o_rels() all_ where origin_name = 'personnages';
+ origin_schema | origin_name | foreign_schema | foreign_name | is_self |     constraint_name      |  cols_and_fcols  | is_one_to_one | is_origin_view | is_foreign_view 
+---------------+-------------+----------------+--------------+---------+--------------------------+------------------+---------------+----------------+-----------------
+ private       | personnages | private        | films        | f       | personnages_film_id_fkey | {"(film_id,id)"} | f             | f              | f
+ private       | personnages | private        | actors       | f       | personnages_role_id_fkey | {"(role_id,id)"} | f             | f              | f
+(2 rows)
+
+select * from all_views_key_dependencies('{test}') where table_name = 'personnages';
+ table_schema | table_name  | view_schema |  view_name  |       constraint_name       | key_dep |              column_dependencies              
+--------------+-------------+-------------+-------------+-----------------------------+---------+-----------------------------------------------
+ private      | personnages | test        | personnages | personnages_film_id_fkey    | f       | {"(film_id,{film_id})"}
+ private      | personnages | test        | personnages | personnages_film_id_role_id | p       | {"(film_id,{film_id})","(role_id,{role_id})"}
+ private      | personnages | test        | personnages | personnages_role_id_fkey    | f       | {"(role_id,{role_id})"}
+(3 rows)
+

test/sql/views_rels.sql

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+-- TODO: obtain view relationships here
+select * from all_m2o_and_o2o_rels() all_ where origin_name = 'personnages';
+
+select * from all_views_key_dependencies('{test}') where table_name = 'personnages';