# Class NpgsqlQuerySqlGeneratorFactory

Namespace
  Npgsql.EntityFrameworkCore.PostgreSQL.Query.Internal

Assembly
  Npgsql.EntityFrameworkCore.PostgreSQL.dll

The default factory for Npgsql-specific query SQL generators.

    public class NpgsqlQuerySqlGeneratorFactory : IQuerySqlGeneratorFactory

Inheritance
  object
  NpgsqlQuerySqlGeneratorFactory

Implements
  IQuerySqlGeneratorFactory

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

## Constructors

### NpgsqlQuerySqlGeneratorFactory(QuerySqlGeneratorDependencies, IRelationalTypeMappingSource, INpgsqlSingletonOptions)

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 NpgsqlQuerySqlGeneratorFactory(QuerySqlGeneratorDependencies dependencies, IRelationalTypeMappingSource typeMappingSource, INpgsqlSingletonOptions npgsqlSingletonOptions)

#### Parameters

`dependencies` QuerySqlGeneratorDependencies
`typeMappingSource` IRelationalTypeMappingSource
`npgsqlSingletonOptions` INpgsqlSingletonOptions

## Methods

### Create()

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 QuerySqlGenerator Create()

#### Returns

QuerySqlGenerator