/// <summary>
/// 修改列名称。
/// </summary>
/// <param name="command">当前命令。</param>
/// <param name="builder">SQL语句构建实例。</param>
protected override void Generate(
RenameColumnCommand command,
IndentedStringBuilder builder)
{
Check.NotNull(command, nameof(command));
Check.NotNull(builder, nameof(builder));
var qualifiedName = new StringBuilder();
if (command.Schema != null)
{
qualifiedName
.Append(command.Schema)
.Append(".");
}
qualifiedName
.Append(Prefix(command.Table))
.Append(".")
.Append(command.Name);
Rename(qualifiedName.ToString(), command.NewName, "COLUMN", builder);
}
/// <summary> /// 修改列名称。 /// </summary> /// <param name="command">当前命令。</param> /// <param name="builder">SQL语句构建实例。</param> protected abstract void Generate(RenameColumnCommand command, IndentedStringBuilder builder);