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30 lines
1.3 KiB
Scheme
30 lines
1.3 KiB
Scheme
(use test)
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(import ssql)
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(test-begin "selects")
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(test "Simple query"
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"SELECT actors.firstname, actors.lastname FROM actors"
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(ssql->sql #f `(select (columns actors.firstname actors.lastname)
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(from actors))))
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(test "Many columns"
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"SELECT actors.id, actors.firstname, actors.lastname, roles.character, roles.movie_id AS movie FROM actors, roles"
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(ssql->sql #f `(select (columns (col actors id firstname lastname) (col roles character (as movie_id movie)))
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(from actors roles))))
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(test "Joined query"
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(string-append
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"SELECT actors.firstname, actors.lastname, roles.character, movies.title "
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"FROM ((actors LEFT JOIN roles ON (roles.actor_id = actors.id)) "
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"LEFT JOIN movies ON (movies.id = roles.movie_id))")
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(ssql->sql #f `(select (columns actors.firstname actors.lastname roles.character movies.title)
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(from (join left
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(join left actors roles
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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 "Order"
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"SELECT lastname, firstname FROM people ORDER BY lastname DESC, firstname"
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(ssql->sql #f '(select (columns lastname firstname) (from people) (order (desc lastname) firstname))))
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(test-end "selects") |