public class Columns extends Object implements Serializable
查询字段
Columns
column(String column)
column(String column, String as)
column(String column, String as, boolean escape)
static Columns
create()
Column[]
getColumns()
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public static Columns create()
public Columns column(String column)
public Columns column(String column, String as)
public Columns column(String column, String as, boolean escape)
public Column[] getColumns()
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