/// <summary>
/// 创建为Table添加列的语句生成树
/// </summary>
/// <param name="columnNodeHelper">获取列节点信息的Helper</param>
/// <param name="tableName">表名</param>
/// <param name="schemaName">数据库架构名</param>
public PostgreSqlAlterTableAddColumnsTree(ColumnNodeHelper columnNodeHelper, string tableName, string schemaName)
: base(columnNodeHelper, tableName, schemaName)
{
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="columnNodeHelper">获取列节点信息的Helper</param>
/// <param name="tableName">表名</param>
/// <param name="schemaName">数据库架构名</param>
public PostgreSqlBuildTableTree(ColumnNodeHelper columnNodeHelper, string tableName, string schemaName = null)
: base(columnNodeHelper, tableName, schemaName)
{
}
