starlitcanopy/simple-sql-parser
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refactor the identifier syntax

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This commit is contained in:
Jake Wheat 2016-02-12 14:13:47 +02:00
parent 52f035b718
commit aa5c2e89c7
16 changed files with 830 additions and 826 deletions
Language/SQL/SimpleSQL
Syntax.lhs

14
Language/SQL/SimpleSQL/Syntax.lhs
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@ -206,8 +206,8 @@
todo: special syntax for like, similar with escape - escape cannot go
in other places
> | Escape ValueExpr Char
> | UEscape ValueExpr Char
> -- | Escape ValueExpr Char
> -- | UEscape ValueExpr Char
> | Collate ValueExpr [Name]
> | MultisetBinOp ValueExpr CombineOp SetQuantifier ValueExpr
> | MultisetCtor [ValueExpr]
@ -217,9 +217,13 @@ in other places
> deriving (Eq,Show,Read,Data,Typeable)
> -- | Represents an identifier name, which can be quoted or unquoted.
> data Name = Name String
> | QuotedName String String String
> -- ^ quoted name, the fields are start quote, end quote and the string itself, these will usually be ", others are possible e.g. `something` is parsed to QuotedName "`" "`" "something, and $a$ test $a$ is parsed to QuotedName "$a$" "$a$" " test "
> -- examples:
> --
> -- * test -> Name Nothing "test"
> -- * "test" -> Name (Just "\"","\"") "test"
> -- * `something` -> Name (Just ("`","`") "something"
> -- * [ms] -> Name (Just ("[","]") "ms"
> data Name = Name (Maybe (String,String)) String
> deriving (Eq,Show,Read,Data,Typeable)
> -- | Represents a type name, used in casts.