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48 lines
1.9 KiB
Scheme
48 lines
1.9 KiB
Scheme
(cond-expand
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(chicken-4
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(use test))
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(chicken-5
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(import test)))
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(import ssql)
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(test-begin "inspection")
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(test "find-tables"
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`((actors . actors) (roles . roles) (movies . m2) (movies . movies))
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(find-tables
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`(select (columns actors.firstname actors.lastname roles.character movies.title)
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(from (join left
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(join left actors
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(join inner roles (as movies m2)
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(on (and (= m2.id roles.movie_id)
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(> m2.year 2000))))
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(on (= roles.actor_id actors.id)))
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movies
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(on (= movies.id roles.movie_id)))))))
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(test-end "inspection")
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(test-begin "scoping")
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(test "scope-table"
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`(select (columns actors.firstname actors.lastname roles.character movies.title)
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(from (join left
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(join left actors
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(join inner roles (as movies m2)
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(on (and (= m2.id roles.movie_id)
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(> m2.year 2000))))
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(on (= roles.actor_id actors.id)))
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movies
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(on (= movies.id roles.movie_id))))
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(where (and (< (col m2 year) 2005)
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(< (col movies year) 2005))))
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(scope-table 'movies `(< (col movies year) 2005)
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`(select (columns actors.firstname actors.lastname roles.character movies.title)
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(from (join left
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(join left actors
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(join inner roles (as movies m2)
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(on (and (= m2.id roles.movie_id)
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(> m2.year 2000))))
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(on (= roles.actor_id actors.id)))
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movies
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(on (= movies.id roles.movie_id)))))))
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(test-end "scoping")
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