/// <summary>
/// Registers the mappings for the <see cref="MigrationInfo" /> instance.
/// </summary>
/// <param name="builder">The LinqToDB builder that is used to create mappings from model classes to database tables.</param>
/// <param name="tableName">The name of the table that will hold records for migration infos (optional). Defaults to "MigrationInfos".</param>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="builder" /> or <paramref name="tableName" /> is null.</exception>
/// <exception cref="EmptyStringException">Thrown when <paramref name="tableName" /> is an empty string.</exception>
/// <exception cref="WhiteSpaceStringException">Thrown when <paramref name="tableName" /> contains only white space.</exception>
public static FluentMappingBuilder MapMigrationInfo(this FluentMappingBuilder builder, string tableName = "MigrationInfos")
{
builder.MustNotBeNull(nameof(builder));
tableName.MustNotBeNullOrWhiteSpace(nameof(tableName));
builder.Entity <MigrationInfo>()
.HasTableName(tableName)
.Property(info => info.Id).IsIdentity().IsPrimaryKey()
.Property(info => info.Name).HasLength(100).IsNullable(false)
.Property(info => info.Version).HasLength(20).IsNullable(false);
return(builder);
}