C# Class NLite.Data.Linq.Expressions.ColumnProjector

Splits an expression into two parts 1) a list of column declarations for sub-expressions that must be evaluated on the server 2) a expression that describes how to combine/project the columns back together into the correct result

Inheritance: DbExpressionVisitor

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Public Methods

Method	Description
ProjectColumns ( Expression expression, IEnumerable existingColumns, TableAlias newAlias ) : ProjectedColumns
ProjectColumns ( Expression expression, IEnumerable existingColumns, TableAlias newAlias, IEnumerable existingAliases ) : ProjectedColumns
Visit ( Expression expression ) : Expression

Private Methods

Method	Description
ColumnProjector ( Expression expression, IEnumerable existingColumns, TableAlias newAlias, IEnumerable existingAliases ) : System
GetNextColumnName ( ) : string
GetUniqueColumnName ( string name ) : string
IsColumnNameInUse ( string name ) : bool

Method Details

ProjectColumns() public static method

public static ProjectColumns ( Expression expression, IEnumerable existingColumns, TableAlias newAlias ) : ProjectedColumns
expression	System.Linq.Expressions.Expression
existingColumns	IEnumerable
newAlias	TableAlias
return	ProjectedColumns

ProjectColumns() public static method

public static ProjectColumns ( Expression expression, IEnumerable existingColumns, TableAlias newAlias, IEnumerable existingAliases ) : ProjectedColumns
expression	System.Linq.Expressions.Expression
existingColumns	IEnumerable
newAlias	TableAlias
existingAliases	IEnumerable
return	ProjectedColumns

Visit() public method

public Visit ( Expression expression ) : Expression
expression	System.Linq.Expressions.Expression
return	System.Linq.Expressions.Expression