hssqlppp-0.0.8: Sql parser and type checker Source code Contents Index

Database.HsSqlPpp.Ast.Ast

Contents Main nodes Components Selects dml ddl functions typedefs

Description

This module contains the ast node data types. They are very permissive, in that they allow a lot of invalid SQL to be represented. The type checking process should catch all invalid trees, but doesn't quite manage at the moment.

Synopsis

type StatementList = [Statement] data Statement = Assignment Annotation String Expression | CaseStatement Annotation Expression ExpressionListStatementListPairList StatementList | ContinueStatement Annotation | Copy Annotation String StringList CopySource | CopyData Annotation String | CreateDomain Annotation String TypeName MaybeBoolExpression | CreateFunction Annotation Language String ParamDefList TypeName String FnBody Volatility | CreateTable Annotation String AttributeDefList ConstraintList | CreateTableAs Annotation String SelectExpression | CreateType Annotation String TypeAttributeDefList | CreateView Annotation String SelectExpression | Delete Annotation String MaybeBoolExpression (Maybe SelectList) | DropFunction Annotation IfExists StringStringListPairList Cascade | DropSomething Annotation DropType IfExists StringList Cascade | Execute Annotation Expression | ExecuteInto Annotation Expression StringList | ForIntegerStatement Annotation String Expression Expression StatementList | ForSelectStatement Annotation String SelectExpression StatementList | If Annotation ExpressionStatementListPairList StatementList | Insert Annotation String StringList SelectExpression (Maybe SelectList) | NullStatement Annotation | Perform Annotation Expression | Raise Annotation RaiseType String ExpressionList | Return Annotation MaybeExpression | ReturnNext Annotation Expression | ReturnQuery Annotation SelectExpression | SelectStatement Annotation SelectExpression | Truncate Annotation StringList RestartIdentity Cascade | Update Annotation String SetClauseList MaybeBoolExpression (Maybe SelectList) | WhileStatement Annotation Expression StatementList data Expression = BooleanLit Annotation Bool | Case Annotation CaseExpressionListExpressionPairList MaybeExpression | CaseSimple Annotation Expression CaseExpressionListExpressionPairList MaybeExpression | Cast Annotation Expression TypeName | Exists Annotation SelectExpression | FloatLit Annotation Double | FunCall Annotation String ExpressionList | Identifier Annotation String | InPredicate Annotation Expression Bool InList | IntegerLit Annotation Integer | NullLit Annotation | PositionalArg Annotation Integer | ScalarSubQuery Annotation SelectExpression | StringLit Annotation String String | WindowFn Annotation Expression ExpressionList ExpressionList Direction data SelectExpression = CombineSelect Annotation CombineType SelectExpression SelectExpression | Select Annotation Distinct SelectList MaybeTableRef MaybeBoolExpression ExpressionList MaybeBoolExpression ExpressionList Direction MaybeExpression MaybeExpression | Values Annotation ExpressionListList data SelectList = SelectList Annotation SelectItemList StringList data SelectItem = SelExp Annotation Expression | SelectItem Annotation Expression String data TableRef = JoinedTref Annotation TableRef Natural JoinType TableRef OnExpr | SubTref Annotation SelectExpression String | Tref Annotation String | TrefAlias Annotation String String | TrefFun Annotation Expression | TrefFunAlias Annotation Expression String data JoinExpression = JoinOn Annotation Expression | JoinUsing Annotation StringList data JoinType = Cross | FullOuter | Inner | LeftOuter | RightOuter data Natural = Natural | Unnatural data CombineType = Except | Intersect | Union | UnionAll data Direction = Asc | Desc data Distinct = Distinct | Dupes data InList = InList Annotation ExpressionList | InSelect Annotation SelectExpression data SetClause = RowSetClause Annotation StringList ExpressionList | SetClause Annotation String Expression data CopySource = CopyFilename String | Stdin data RestartIdentity = ContinueIdentity | RestartIdentity data AttributeDef = AttributeDef Annotation String TypeName MaybeExpression RowConstraintList data RowConstraint = NotNullConstraint Annotation | NullConstraint Annotation | RowCheckConstraint Annotation Expression | RowPrimaryKeyConstraint Annotation | RowReferenceConstraint Annotation String (Maybe String) Cascade Cascade | RowUniqueConstraint Annotation data Constraint = CheckConstraint Annotation Expression | PrimaryKeyConstraint Annotation StringList | ReferenceConstraint Annotation StringList String StringList Cascade Cascade | UniqueConstraint Annotation StringList data TypeAttributeDef = TypeAttDef Annotation String TypeName data TypeName = ArrayTypeName Annotation TypeName | PrecTypeName Annotation String Integer | SetOfTypeName Annotation TypeName | SimpleTypeName Annotation String data DropType = Domain | Table | Type | View data IfExists = IfExists | Require data Cascade = Cascade | Restrict data FnBody = PlpgsqlFnBody Annotation VarDefList StatementList | SqlFnBody Annotation StatementList data ParamDef = ParamDef Annotation String TypeName | ParamDefTp Annotation TypeName data VarDef = VarDef Annotation String TypeName (Maybe Expression) data RaiseType = RError | RException | RNotice data Volatility = Immutable | Stable | Volatile data Language = Plpgsql | Sql type ExpressionListStatementListPairList = [ExpressionListStatementListPair] type ExpressionListStatementListPair = (ExpressionList, StatementList) type ExpressionList = [Expression] type StringList = [String] type ParamDefList = [ParamDef] type AttributeDefList = [AttributeDef] type ConstraintList = [Constraint] type TypeAttributeDefList = [TypeAttributeDef] type StringStringListPairList = [StringStringListPair] type StringStringListPair = (String, StringList) type ExpressionStatementListPairList = [ExpressionStatementListPair] type SetClauseList = [SetClause] type CaseExpressionListExpressionPairList = [CaseExpressionListExpressionPair] type MaybeExpression = Maybe Expression type MaybeBoolExpression = Maybe Expression type MaybeTableRef = Maybe TableRef type ExpressionListList = [ExpressionList] type SelectItemList = [SelectItem] type OnExpr = Maybe JoinExpression type RowConstraintList = [RowConstraint] type VarDefList = [VarDef] type ExpressionStatementListPair = (Expression, StatementList) type CaseExpressionListExpressionPair = (CaseExpressionList, Expression) type CaseExpressionList = [Expression]

Main nodes

type StatementList = [Statement] Source

data Statement Source

Constructors Assignment Annotation String Expression CaseStatement Annotation Expression ExpressionListStatementListPairList StatementList ContinueStatement Annotation Copy Annotation String StringList CopySource CopyData Annotation String CreateDomain Annotation String TypeName MaybeBoolExpression CreateFunction Annotation Language String ParamDefList TypeName String FnBody Volatility CreateTable Annotation String AttributeDefList ConstraintList CreateTableAs Annotation String SelectExpression CreateType Annotation String TypeAttributeDefList CreateView Annotation String SelectExpression Delete Annotation String MaybeBoolExpression (Maybe SelectList) DropFunction Annotation IfExists StringStringListPairList Cascade DropSomething Annotation DropType IfExists StringList Cascade Execute Annotation Expression ExecuteInto Annotation Expression StringList ForIntegerStatement Annotation String Expression Expression StatementList ForSelectStatement Annotation String SelectExpression StatementList If Annotation ExpressionStatementListPairList StatementList Insert Annotation String StringList SelectExpression (Maybe SelectList) NullStatement Annotation Perform Annotation Expression Raise Annotation RaiseType String ExpressionList Return Annotation MaybeExpression ReturnNext Annotation Expression ReturnQuery Annotation SelectExpression SelectStatement Annotation SelectExpression Truncate Annotation StringList RestartIdentity Cascade Update Annotation String SetClauseList MaybeBoolExpression (Maybe SelectList) WhileStatement Annotation Expression StatementList Instances Eq Statement Data Statement Show Statement Typeable Statement

data Expression Source

Constructors BooleanLit Annotation Bool Case Annotation CaseExpressionListExpressionPairList MaybeExpression CaseSimple Annotation Expression CaseExpressionListExpressionPairList MaybeExpression Cast Annotation Expression TypeName Exists Annotation SelectExpression FloatLit Annotation Double FunCall Annotation String ExpressionList Identifier Annotation String InPredicate Annotation Expression Bool InList IntegerLit Annotation Integer NullLit Annotation PositionalArg Annotation Integer ScalarSubQuery Annotation SelectExpression StringLit Annotation String String WindowFn Annotation Expression ExpressionList ExpressionList Direction Instances Eq Expression Data Expression Show Expression Typeable Expression

data SelectExpression Source

Constructors CombineSelect Annotation CombineType SelectExpression SelectExpression Select Annotation Distinct SelectList MaybeTableRef MaybeBoolExpression ExpressionList MaybeBoolExpression ExpressionList Direction MaybeExpression MaybeExpression Values Annotation ExpressionListList Instances Eq SelectExpression Data SelectExpression Show SelectExpression Typeable SelectExpression

Components

Selects

data SelectList Source

Constructors SelectList Annotation SelectItemList StringList Instances Eq SelectList Data SelectList Show SelectList Typeable SelectList

data SelectItem Source

Constructors SelExp Annotation Expression SelectItem Annotation Expression String Instances Eq SelectItem Data SelectItem Show SelectItem Typeable SelectItem

data TableRef Source

Constructors JoinedTref Annotation TableRef Natural JoinType TableRef OnExpr SubTref Annotation SelectExpression String Tref Annotation String TrefAlias Annotation String String TrefFun Annotation Expression TrefFunAlias Annotation Expression String Instances Eq TableRef Data TableRef Show TableRef Typeable TableRef

data JoinExpression Source

Constructors JoinOn Annotation Expression JoinUsing Annotation StringList Instances Eq JoinExpression Data JoinExpression Show JoinExpression Typeable JoinExpression

data JoinType Source

Constructors Cross FullOuter Inner LeftOuter RightOuter Instances Eq JoinType Data JoinType Show JoinType Typeable JoinType

data Natural Source

Constructors Natural Unnatural Instances Eq Natural Data Natural Show Natural Typeable Natural

data CombineType Source

Constructors Except Intersect Union UnionAll Instances Eq CombineType Data CombineType Show CombineType Typeable CombineType

data Direction Source

Constructors Asc Desc Instances Eq Direction Data Direction Show Direction Typeable Direction

data Distinct Source

Constructors Distinct Dupes Instances Eq Distinct Data Distinct Show Distinct Typeable Distinct

data InList Source

Constructors InList Annotation ExpressionList InSelect Annotation SelectExpression Instances Eq InList Data InList Show InList Typeable InList

dml

data SetClause Source

Constructors RowSetClause Annotation StringList ExpressionList SetClause Annotation String Expression Instances Eq SetClause Data SetClause Show SetClause Typeable SetClause

data CopySource Source

Constructors CopyFilename String Stdin Instances Eq CopySource Data CopySource Show CopySource Typeable CopySource

data RestartIdentity Source

Constructors ContinueIdentity RestartIdentity Instances Eq RestartIdentity Data RestartIdentity Show RestartIdentity Typeable RestartIdentity

ddl

data AttributeDef Source

Constructors AttributeDef Annotation String TypeName MaybeExpression RowConstraintList Instances Eq AttributeDef Data AttributeDef Show AttributeDef Typeable AttributeDef

data RowConstraint Source

Constructors NotNullConstraint Annotation NullConstraint Annotation RowCheckConstraint Annotation Expression RowPrimaryKeyConstraint Annotation RowReferenceConstraint Annotation String (Maybe String) Cascade Cascade RowUniqueConstraint Annotation Instances Eq RowConstraint Data RowConstraint Show RowConstraint Typeable RowConstraint

data Constraint Source

Constructors CheckConstraint Annotation Expression PrimaryKeyConstraint Annotation StringList ReferenceConstraint Annotation StringList String StringList Cascade Cascade UniqueConstraint Annotation StringList Instances Eq Constraint Data Constraint Show Constraint Typeable Constraint

data TypeAttributeDef Source

Constructors TypeAttDef Annotation String TypeName Instances Eq TypeAttributeDef Data TypeAttributeDef Show TypeAttributeDef Typeable TypeAttributeDef

data TypeName Source

Constructors ArrayTypeName Annotation TypeName PrecTypeName Annotation String Integer SetOfTypeName Annotation TypeName SimpleTypeName Annotation String Instances Eq TypeName Data TypeName Show TypeName Typeable TypeName

data DropType Source

Constructors Domain Table Type View Instances Eq DropType Data DropType Show DropType Typeable DropType

data IfExists Source

Constructors IfExists Require Instances Eq IfExists Data IfExists Show IfExists Typeable IfExists

data Cascade Source

Constructors Cascade Restrict Instances Eq Cascade Data Cascade Show Cascade Typeable Cascade

functions

data FnBody Source

Constructors PlpgsqlFnBody Annotation VarDefList StatementList SqlFnBody Annotation StatementList Instances Eq FnBody Data FnBody Show FnBody Typeable FnBody

data ParamDef Source

Constructors ParamDef Annotation String TypeName ParamDefTp Annotation TypeName Instances Eq ParamDef Data ParamDef Show ParamDef Typeable ParamDef

data VarDef Source

Constructors VarDef Annotation String TypeName (Maybe Expression) Instances Eq VarDef Data VarDef Show VarDef Typeable VarDef

data RaiseType Source

Constructors RError RException RNotice Instances Eq RaiseType Data RaiseType Show RaiseType Typeable RaiseType

data Volatility Source

Constructors Immutable Stable Volatile Instances Eq Volatility Data Volatility Show Volatility Typeable Volatility

data Language Source

Constructors Plpgsql Sql Instances Eq Language Data Language Show Language Typeable Language

typedefs

type ExpressionListStatementListPairList = [ExpressionListStatementListPair] Source

type ExpressionListStatementListPair = (ExpressionList, StatementList) Source

type ExpressionList = [Expression] Source

type StringList = [String] Source

type ParamDefList = [ParamDef] Source

type AttributeDefList = [AttributeDef] Source

type ConstraintList = [Constraint] Source

type TypeAttributeDefList = [TypeAttributeDef] Source

type StringStringListPairList = [StringStringListPair] Source

type StringStringListPair = (String, StringList) Source

type ExpressionStatementListPairList = [ExpressionStatementListPair] Source

type SetClauseList = [SetClause] Source

type CaseExpressionListExpressionPairList = [CaseExpressionListExpressionPair] Source

type MaybeExpression = Maybe Expression Source

type MaybeBoolExpression = Maybe Expression Source

type MaybeTableRef = Maybe TableRef Source

type ExpressionListList = [ExpressionList] Source

type SelectItemList = [SelectItem] Source

type OnExpr = Maybe JoinExpression Source

type RowConstraintList = [RowConstraint] Source

type VarDefList = [VarDef] Source

type ExpressionStatementListPair = (Expression, StatementList) Source

type CaseExpressionListExpressionPair = (CaseExpressionList, Expression) Source

type CaseExpressionList = [Expression] Source

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