78 lines
2.5 KiB
Plaintext
78 lines
2.5 KiB
Plaintext
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These are the tests for parsing focusing on the from part of query
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expression
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> module Language.SQL.SimpleSQL.TableRefs (tableRefTests) where
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> import Language.SQL.SimpleSQL.TestTypes
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> import Language.SQL.SimpleSQL.Syntax
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> tableRefTests :: TestItem
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> tableRefTests = Group "tableRefTests" $ map (uncurry TestQueryExpr)
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> [("select a from t"
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> ,ms [TRSimple "t"])
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> ,("select a from t,u"
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> ,ms [TRSimple "t", TRSimple "u"])
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> ,("select a from t inner join u on expr"
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> ,ms [TRJoin (TRSimple "t") JInner (TRSimple "u")
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> (Just $ JoinOn $ Iden "expr")])
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> ,("select a from t join u on expr"
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> ,ms [TRJoin (TRSimple "t") JInner (TRSimple "u")
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> (Just $ JoinOn $ Iden "expr")])
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> ,("select a from t left join u on expr"
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> ,ms [TRJoin (TRSimple "t") JLeft (TRSimple "u")
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> (Just $ JoinOn $ Iden "expr")])
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> ,("select a from t right join u on expr"
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> ,ms [TRJoin (TRSimple "t") JRight (TRSimple "u")
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> (Just $ JoinOn $ Iden "expr")])
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> ,("select a from t full join u on expr"
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> ,ms [TRJoin (TRSimple "t") JFull (TRSimple "u")
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> (Just $ JoinOn $ Iden "expr")])
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> ,("select a from t cross join u"
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> ,ms [TRJoin (TRSimple "t")
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> JCross (TRSimple "u") Nothing])
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> ,("select a from t natural inner join u"
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> ,ms [TRJoin (TRSimple "t") JInner (TRSimple "u")
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> (Just JoinNatural)])
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> ,("select a from t inner join u using(a,b)"
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> ,ms [TRJoin (TRSimple "t") JInner (TRSimple "u")
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> (Just $ JoinUsing ["a", "b"])])
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> ,("select a from (select a from t)"
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> ,ms [TRQueryExpr $ ms [TRSimple "t"]])
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> ,("select a from t as u"
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> ,ms [TRAlias (TRSimple "t") "u" Nothing])
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> ,("select a from t u"
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> ,ms [TRAlias (TRSimple "t") "u" Nothing])
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> ,("select a from t u(b)"
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> ,ms [TRAlias (TRSimple "t") "u" $ Just ["b"]])
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> ,("select a from (t cross join u) as u"
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> ,ms [TRAlias (TRParens $
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> TRJoin (TRSimple "t") JCross (TRSimple "u") Nothing)
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> "u" Nothing])
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> -- todo: not sure if the associativity is correct
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> ,("select a from t cross join u cross join v",
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> ms [TRJoin
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> (TRJoin (TRSimple "t")
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> JCross (TRSimple "u") Nothing)
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> JCross (TRSimple "v") Nothing])
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> ]
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> where
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> ms f = makeSelect {qeSelectList = [(Nothing,Iden "a")]
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> ,qeFrom = f}
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