# Class NpgsqlRangeTranslator

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 NpgsqlRangeTranslator : IMethodCallTranslator, IMemberTranslator

Inheritance
  object
  NpgsqlRangeTranslator

Implements
  IMethodCallTranslator
  IMemberTranslator

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

## Constructors

### NpgsqlRangeTranslator(IRelationalTypeMappingSource, NpgsqlSqlExpressionFactory, IModel, bool)

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 NpgsqlRangeTranslator(IRelationalTypeMappingSource typeMappingSource, NpgsqlSqlExpressionFactory npgsqlSqlExpressionFactory, IModel model, bool supportsMultiranges)

#### Parameters

`typeMappingSource` IRelationalTypeMappingSource
`npgsqlSqlExpressionFactory` NpgsqlSqlExpressionFactory
`model` IModel
`supportsMultiranges` bool

## Methods

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

Translates a LINQ MemberExpression to a SQL equivalent.

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

#### Parameters

`instance` SqlExpression

  A SQL representation of Expression.

`member` MemberInfo

  The member info from Member.

`returnType` Type

  The return type from Type.

`logger` IDiagnosticsLogger<DbLoggerCategory.Query>

  The query logger to use.

#### Returns

SqlExpression

  A SQL translation of the MemberExpression.

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

Translates a LINQ MethodCallExpression to a SQL equivalent.

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

#### Parameters

`instance` SqlExpression

  A SQL representation of Object.

`method` MethodInfo

  The method info from Method.

`arguments` IReadOnlyList<SqlExpression>

  SQL representations of Arguments.

`logger` IDiagnosticsLogger<DbLoggerCategory.Query>

  The query logger to use.

#### Returns

SqlExpression

  A SQL translation of the MethodCallExpression.