MySql.Data.MySqlClient.MySqlProviderServices.GetFacetString C# (CSharp) Method

    private string GetFacetString(EdmProperty column)
    {
      StringBuilder sql = new StringBuilder();
      Facet facet;
      ReadOnlyMetadataCollection<Facet> facets = column.TypeUsage.Facets;

      if (column.TypeUsage.EdmType.BaseType.Name == "String")
      {
        // types tinytext, mediumtext, text & longtext don't have a length.
        if (!column.TypeUsage.EdmType.Name.EndsWith("text", StringComparison.OrdinalIgnoreCase))
        {
          if (facets.TryGetValue("MaxLength", true, out facet))
            sql.AppendFormat(" ({0})", facet.Value);
        }
      }
      if (facets.TryGetValue("Nullable", true, out facet) && (bool)facet.Value == false)
        sql.Append(" NOT NULL");
      if (facets.TryGetValue("StoreGeneratedPattern", true, out facet) && facet.Value.Equals(StoreGeneratedPattern.Identity))
        sql.Append(" AUTO_INCREMENT PRIMARY KEY");
      return sql.ToString();
    }