private ColumnBuilder PrepareColumn(string columnName, SQLiteDbType type) { if (columnName == null) { throw new ArgumentNullException(nameof(columnName)); } if (string.IsNullOrEmpty(columnName)) { throw new InvalidOperationException($"{nameof(columnName)} cannot be empty."); } if (_table.Columns.Any(c => c.Name.Equals(columnName, StringComparison.OrdinalIgnoreCase))) { throw new InvalidOperationException($"A column with name \"{columnName}\" has already been added."); } var column = new ColumnEntity(); column.Name = columnName; column.Type = type; _table.Columns.Add(column); return(new ColumnBuilder(this, column)); }
public ColumnBuilder(TableBuilder tableBuilder, ColumnEntity column) { if (tableBuilder == null) { throw new ArgumentNullException(nameof(tableBuilder)); } if (column == null) { throw new ArgumentNullException(nameof(column)); } _tableBuilder = tableBuilder; _column = column; }