starlitcanopy/simple-sql-parser
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modify basic typenames to support dotted names in the syntax

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add syntax for most of the other kinds of typenames
add pretty printing for these
todo: the parsing and the tests
This commit is contained in:
Jake Wheat 2014-04-18 17:55:56 +03:00
parent 438e3383e4
commit fbdcacc604
4 changed files with 120 additions and 22 deletions
Language/SQL/SimpleSQL
Pretty.lhs

49
Language/SQL/SimpleSQL/Pretty.lhs
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@ -208,10 +208,53 @@ which have been changed to try to improve the layout of the output.
> names ns = hcat $ punctuate (text ".") $ map name ns
> typeName :: TypeName -> Doc
> typeName (TypeName t) = text t
> typeName (PrecTypeName t a) = text t <+> parens (text $ show a)
> typeName (TypeName t) = names t
> typeName (PrecTypeName t a) = names t <+> parens (text $ show a)
> typeName (PrecScaleTypeName t a b) =
> text t <+> parens (text (show a) <+> comma <+> text (show b))
> names t <+> parens (text (show a) <+> comma <+> text (show b))
> typeName (LobTypeName t i m u) =
> names t
> <> parens (text (show i)
> <> me (\x -> case x of
> LobK -> text "K"
> LobM -> text "M"
> LobG -> text "G") m)
> <+> me (\x -> case x of
> LobCharacters -> text "CHARACTERS"
> LobCodeUnits -> text "CODE_UNITS"
> LobOctets -> text "OCTETS") u
> typeName (CharTypeName t i cs col) =
> names t
> <> me (\x -> parens (text $ show x)) i
> <+> (if null cs
> then empty
> else text "character set" <+> names cs)
> <+> me (\x -> text "collate" <+> name x) col
> typeName (TimeTypeName t i tz) =
> names t
> <> me (\x -> parens (text $ show x)) i
> <+> text (if tz
> then "with time zone"
> else "without time zone")
> typeName (RowTypeName cs) =
> text "row" <> parens (commaSep $ map f cs)
> where
> f (n,t) = name n <+> typeName t
> typeName (IntervalTypeName f t) =
> text "interval"
> <+> it f
> <+> me (\x -> text "to" <+> it x) t
> where
> it (Itf n p) =
> text n
> <+> me (\(x,x1) -> parens (text (show x)
> <+> me (\y -> (sep [comma,text (show y)])) x1)) p
> typeName (ArrayType tn sz) =
> typeName tn <+> text "array" <+> me (text . show) sz
> typeName (MultisetType tn) =
> typeName tn <+> text "multiset"
= query expressions