# Class NpgsqlJsonPocoTranslator

Namespace
  Npgsql.EntityFrameworkCore.PostgreSQL.Query.ExpressionTranslators.Internal

Assembly
  Npgsql.EntityFrameworkCore.PostgreSQL.dll

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public class NpgsqlJsonPocoTranslator : IMemberTranslator, IMethodCallTranslator

Inheritance
  object
  NpgsqlJsonPocoTranslator

Implements
  IMemberTranslator
  IMethodCallTranslator

Inherited Members
  object.Equals(object)
  object.Equals(object, object)
  object.GetHashCode()
  object.GetType()
  object.MemberwiseClone()
  object.ReferenceEquals(object, object)
  object.ToString()

## Constructors

### NpgsqlJsonPocoTranslator(IRelationalTypeMappingSource, NpgsqlSqlExpressionFactory, IModel)

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public NpgsqlJsonPocoTranslator(IRelationalTypeMappingSource typeMappingSource, NpgsqlSqlExpressionFactory sqlExpressionFactory, IModel model)

#### Parameters

`typeMappingSource` IRelationalTypeMappingSource
`sqlExpressionFactory` NpgsqlSqlExpressionFactory
`model` IModel

## Methods

### Translate(SqlExpression?, MemberInfo, Type, IDiagnosticsLogger<Query>)

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public virtual SqlExpression? Translate(SqlExpression? instance, MemberInfo member, Type returnType, IDiagnosticsLogger<DbLoggerCategory.Query> logger)

#### Parameters

`instance` SqlExpression
`member` MemberInfo
`returnType` Type
`logger` IDiagnosticsLogger<DbLoggerCategory.Query>

#### Returns

SqlExpression

### Translate(SqlExpression?, MethodInfo, IReadOnlyList<SqlExpression>, IDiagnosticsLogger<Query>)

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public virtual SqlExpression? Translate(SqlExpression? instance, MethodInfo method, IReadOnlyList<SqlExpression> arguments, IDiagnosticsLogger<DbLoggerCategory.Query> logger)

#### Parameters

`instance` SqlExpression
`method` MethodInfo
`arguments` IReadOnlyList<SqlExpression>
`logger` IDiagnosticsLogger<DbLoggerCategory.Query>

#### Returns

SqlExpression

### TranslateArrayLength(SqlExpression)

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public virtual SqlExpression? TranslateArrayLength(SqlExpression expression)

#### Parameters

`expression` SqlExpression

#### Returns

SqlExpression

### TranslateMemberAccess(SqlExpression, SqlExpression, Type)

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public virtual SqlExpression? TranslateMemberAccess(SqlExpression instance, SqlExpression member, Type returnType)

#### Parameters

`instance` SqlExpression
`member` SqlExpression
`returnType` Type

#### Returns

SqlExpression