Class NpgsqlStringMethodTranslator

Namespace

Npgsql.EntityFrameworkCore.PostgreSQL.Query.ExpressionTranslators.Internal

Assembly

Npgsql.EntityFrameworkCore.PostgreSQL.dll

Provides translation services for PostgreSQL string functions.

public class NpgsqlStringMethodTranslator : IMethodCallTranslator

Inheritance

object

NpgsqlStringMethodTranslator

Implements

IMethodCallTranslator

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Remarks

See: https://www.postgresql.org/docs/current/static/functions-string.html

Constructors

NpgsqlStringMethodTranslator(NpgsqlTypeMappingSource, ISqlExpressionFactory)

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 NpgsqlStringMethodTranslator(NpgsqlTypeMappingSource typeMappingSource, ISqlExpressionFactory sqlExpressionFactory)

Parameters

typeMappingSource NpgsqlTypeMappingSource

sqlExpressionFactory ISqlExpressionFactory

Methods

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