EntityProjectionExpression Costruttori
Definizione
Importante
Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.
Overload
EntityProjectionExpression(IEntityType, IDictionary<IProperty,ColumnExpression>) | |
EntityProjectionExpression(IEntityType, TableExpressionBase, Boolean) |
Obsoleti.
Crea una nuova istanza della classe EntityProjectionExpression. |
EntityProjectionExpression(IEntityType, IDictionary<IProperty,ColumnExpression>, SqlExpression) |
Crea una nuova istanza della classe EntityProjectionExpression. |
EntityProjectionExpression(IEntityType, IReadOnlyDictionary<IProperty,ColumnExpression>, SqlExpression) |
Crea una nuova istanza della classe EntityProjectionExpression. |
EntityProjectionExpression(IEntityType, IDictionary<IProperty,ColumnExpression>)
public EntityProjectionExpression (Microsoft.EntityFrameworkCore.Metadata.IEntityType entityType, System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty,Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression> propertyExpressions);
new Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression : Microsoft.EntityFrameworkCore.Metadata.IEntityType * System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty, Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression> -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression
Public Sub New (entityType As IEntityType, propertyExpressions As IDictionary(Of IProperty, ColumnExpression))
Parametri
- entityType
- IEntityType
- propertyExpressions
- IDictionary<IProperty,ColumnExpression>
Si applica a
EntityProjectionExpression(IEntityType, TableExpressionBase, Boolean)
Attenzione
Use the constructor which takes populated column expressions map.
Crea una nuova istanza della classe EntityProjectionExpression.
public EntityProjectionExpression (Microsoft.EntityFrameworkCore.Metadata.IEntityType entityType, Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase innerTable, bool nullable);
[System.Obsolete("Use the constructor which takes populated column expressions map.", true)]
public EntityProjectionExpression (Microsoft.EntityFrameworkCore.Metadata.IEntityType entityType, Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase innerTable, bool nullable);
new Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression : Microsoft.EntityFrameworkCore.Metadata.IEntityType * Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase * bool -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression
[<System.Obsolete("Use the constructor which takes populated column expressions map.", true)>]
new Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression : Microsoft.EntityFrameworkCore.Metadata.IEntityType * Microsoft.EntityFrameworkCore.Query.SqlExpressions.TableExpressionBase * bool -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression
Public Sub New (entityType As IEntityType, innerTable As TableExpressionBase, nullable As Boolean)
Parametri
- entityType
- IEntityType
Tipo di entità da formare.
- innerTable
- TableExpressionBase
Tabella da cui vengono proiettate le colonne di entità.
- nullable
- Boolean
Valore bool che indica se questa istanza di entità può essere null.
- Attributi
Si applica a
EntityProjectionExpression(IEntityType, IDictionary<IProperty,ColumnExpression>, SqlExpression)
Crea una nuova istanza della classe EntityProjectionExpression.
public EntityProjectionExpression (Microsoft.EntityFrameworkCore.Metadata.IEntityType entityType, System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty,Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression> propertyExpressionMap, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression discriminatorExpression = default);
new Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression : Microsoft.EntityFrameworkCore.Metadata.IEntityType * System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty, Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression
Public Sub New (entityType As IEntityType, propertyExpressionMap As IDictionary(Of IProperty, ColumnExpression), Optional discriminatorExpression As SqlExpression = Nothing)
Parametri
- entityType
- IEntityType
Tipo di entità da formare.
- propertyExpressionMap
- IDictionary<IProperty,ColumnExpression>
Dizionario delle espressioni di colonna corrispondenti alle proprietà del tipo di entità.
- discriminatorExpression
- SqlExpression
Oggetto SqlExpression per generare la discriminazione per ogni tipo di entità concreta nella gerarchia.
Si applica a
EntityProjectionExpression(IEntityType, IReadOnlyDictionary<IProperty,ColumnExpression>, SqlExpression)
Crea una nuova istanza della classe EntityProjectionExpression.
public EntityProjectionExpression (Microsoft.EntityFrameworkCore.Metadata.IEntityType entityType, System.Collections.Generic.IReadOnlyDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty,Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression> propertyExpressionMap, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? discriminatorExpression = default);
new Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression : Microsoft.EntityFrameworkCore.Metadata.IEntityType * System.Collections.Generic.IReadOnlyDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty, Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.EntityProjectionExpression
Public Sub New (entityType As IEntityType, propertyExpressionMap As IReadOnlyDictionary(Of IProperty, ColumnExpression), Optional discriminatorExpression As SqlExpression = Nothing)
Parametri
- entityType
- IEntityType
Tipo di entità da formare.
- propertyExpressionMap
- IReadOnlyDictionary<IProperty,ColumnExpression>
Dizionario delle espressioni di colonna corrispondenti alle proprietà del tipo di entità.
- discriminatorExpression
- SqlExpression
Oggetto SqlExpression per generare la discriminazione per ogni tipo di entità concreta nella gerarchia.