Ejemplo n.º 1
0
        /// <summary>
        /// Sets the MySQL character set on the table associated with this entity. When you only specify the character set, MySQL implicitly
        /// uses its default collation.
        /// </summary>
        /// <param name="entityTypeBuilder"> The builder for the entity type being configured. </param>
        /// <param name="charSet"> The name of the character set. </param>
        /// <param name="delegationModes">
        /// Finely controls where to recursively apply the character set and where not (including this entity/table).
        /// Implicitly uses <see cref="DelegationModes.ApplyToAll"/> if set to <see langword="null"/>.
        /// </param>
        /// <param name="fromDataAnnotation">Indicates whether the configuration was specified using a data annotation.</param>
        /// <returns> The same builder instance so that multiple calls can be chained. </returns>
        public static IConventionEntityTypeBuilder HasCharSet(
            [NotNull] this IConventionEntityTypeBuilder entityTypeBuilder,
            [CanBeNull] string charSet,
            DelegationModes?delegationModes = null,
            bool fromDataAnnotation         = false)
        {
            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
            Check.NullButNotEmpty(charSet, nameof(charSet));
            Check.NullOrEnumValue(delegationModes, nameof(delegationModes));

            if (entityTypeBuilder.CanSetCharSet(charSet, fromDataAnnotation) &&
                entityTypeBuilder.CanSetCharSetDelegation(delegationModes, fromDataAnnotation))
            {
                entityTypeBuilder.Metadata.SetCharSet(charSet, fromDataAnnotation);
                entityTypeBuilder.Metadata.SetCharSetDelegation(delegationModes, fromDataAnnotation);

                return(entityTypeBuilder);
            }

            return(null);
        }