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    Class NpgsqlStringMethodTranslator

    Provides translation services for PostgreSQL string functions.

    Inheritance
    object
    NpgsqlStringMethodTranslator
    Namespace: Npgsql.EntityFrameworkCore.PostgreSQL.Query.ExpressionTranslators.Internal
    Assembly: Npgsql.EntityFrameworkCore.PostgreSQL.dll
    Syntax
    public class NpgsqlStringMethodTranslator : IMethodCallTranslator
    Remarks

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

    Constructors

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    NpgsqlStringMethodTranslator(NpgsqlTypeMappingSource, ISqlExpressionFactory, 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.

    Declaration
    public NpgsqlStringMethodTranslator(NpgsqlTypeMappingSource typeMappingSource, ISqlExpressionFactory sqlExpressionFactory, IModel model)
    Parameters
    Type Name Description
    NpgsqlTypeMappingSource typeMappingSource
    ISqlExpressionFactory sqlExpressionFactory
    IModel model
    Remarks

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

    Methods

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    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.

    Declaration
    public virtual SqlExpression? Translate(SqlExpression? instance, MethodInfo method, IReadOnlyList<SqlExpression> arguments, IDiagnosticsLogger<DbLoggerCategory.Query> logger)
    Parameters
    Type Name Description
    SqlExpression? instance
    MethodInfo method
    IReadOnlyList<><SqlExpression> arguments
    IDiagnosticsLogger<><Query> logger
    Returns
    Type Description
    SqlExpression?
    Remarks

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

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