add simple create table support

Language/SQL/SimpleSQL/Parser.lhs

@@ -232,7 +232,7 @@ fixing them in the syntax but leaving them till the semantic checking
 >                -> String
 >                   -- ^ the SQL source to parse
 >                -> Either ParseError Statement
-> parseStatement = wrapParse statement
+> parseStatement = wrapParse topLevelStatement
 
 
 > -- | Parses a list of statements, with semi colons between
@@ -1432,6 +1432,9 @@ TODO: change style
 > topLevelQueryExpr :: Parser QueryExpr
 > topLevelQueryExpr = queryExpr <??> (id <$ semi)
 
+> topLevelStatement :: Parser Statement
+> topLevelStatement = statement <??> (id <$ semi)
+
 -------------------------
 
 = Statements
@@ -1441,6 +1444,7 @@ TODO: change style
 >     [keyword_ "create"
 >      *> choice
 >         [createSchema
+>         ,createTable
 >         ]
 >     ,keyword_ "drop"
 >      *> choice
@@ -1457,6 +1461,14 @@ TODO: change style
 > createSchema = keyword_ "schema" >>
 >     CreateSchema <$> names
 
+> createTable :: Parser Statement
+> createTable = keyword_ "table" >>
+>     CreateTable
+>     <$> names
+>     <*> parens (commaSep1 columnDef)
+>   where
+>     columnDef = ColumnDef <$> name <*> typeName
+
 > dropSchema :: Parser Statement
 > dropSchema = keyword_ "schema" >>
 >     DropSchema <$> names

Language/SQL/SimpleSQL/Pretty.lhs

@@ -453,6 +453,13 @@ which have been changed to try to improve the layout of the output.
 > statement _ (CreateSchema nm) =
 >     text "create" <+> text "schema" <+> names nm
 
+> statement _ (CreateTable nm cds) =
+>     text "create" <+> text "table" <+> names nm
+>     <+> parens (commaSep $ map cd cds)
+>   where
+>     cd (ColumnDef n t) = name n <+> typeName t
+
+
 > statement _ (DropSchema nm db) =
 >     text "drop" <+> text "schema" <+> names nm <+> dropBehav db
 

Language/SQL/SimpleSQL/Syntax.lhs

@@ -36,6 +36,7 @@
 >     ,IdentityRestart(..)
 >     ,InsertSource(..)
 >     ,SetClause(..)
+>     ,TableElement(..) 
 >      -- * Dialect
 >     ,Dialect(..)
 >      -- * Comment
@@ -392,8 +393,8 @@ I'm not sure if this is valid syntax or not.
 >     -- ddl
 >     CreateSchema [Name] -- XXX
 >   | DropSchema [Name] DropBehaviour -- XXX
->   {-   |  CreateTable -- XXX
->   | AlterTable -- XXX
+>   | CreateTable [Name] [TableElement]
+>   {-  | AlterTable -- XXX
 >   | DropTable  -- XXX
 >   | CreateView  -- XXX
 >   | DropView -- XXX
@@ -486,6 +487,28 @@ I'm not sure if this is valid syntax or not.
 >   | SetMultiple [[Name]] [ValueExpr]
 >     deriving (Eq,Show,Read,Data,Typeable)
 
+> data TableElement =
+>     ColumnDef Name TypeName
+>        (Maybe DefaultClause)
+>        -- (Maybe ColumnConstraintDef)
+>        -- (Maybe CollateClause)
+>   --   | TableConstraintDef
+>     deriving (Eq,Show,Read,Data,Typeable)
+
+> {-data TableConstraintDef
+>     deriving (Eq,Show,Read,Data,Typeable) -}
+
+> data DefaultClause =
+>      DefaultClause ValueExpr
+>    | IdentityColumnSpec
+>    | GenerationClause
+
+> {-data ColumnConstraintDef =
+>     | NotNullConstraint
+>     | UniqueConstraint
+>     | ReferencesConstraint
+>     | CheckConstraint-}
+
 --------------------------
 
 > -- | Used to set the dialect used for parsing and pretty printing,

tools/Language/SQL/SimpleSQL/SQL2011Schema.lhs

@@ -90,7 +90,10 @@ schema name can be quoted iden or unicode quoted iden
       [ WITH <system versioning clause> ]
       [ ON COMMIT <table commit action> ROWS ]
 
-     ,(TestStatement SQL2011 "create table ( a int )"
+>     ,(TestStatement SQL2011 "create table t (a int, b int);"
+>      $ CreateTable [Name "t"]
+>        [ColumnDef (Name "a") (TypeName [Name "int"])
+>        ,ColumnDef (Name "b") (TypeName [Name "int"])])
 
 
 <table contents source> ::=
@@ -251,6 +254,16 @@ schema name can be quoted iden or unicode quoted iden
   GENERATED { ALWAYS | BY DEFAULT } AS IDENTITY
       [ <left paren> <common sequence generator options> <right paren> ]
 
+generated always as identity
+generated by default as identity
+
+generated always as identity (start with signed_numeric
+                              increment by n
+                              maxvalue n | no maxvalue
+                              minvalue n | no minvalue)
+
+generated always (valueexpr)
+
 <generation clause> ::=
   <generation rule> AS <generation expression>