org.apache.flink.table.api

类 Schema.UnresolvedComputedColumn

java.lang.Object

org.apache.flink.table.api.Schema.UnresolvedColumn

org.apache.flink.table.api.Schema.UnresolvedComputedColumn

封闭类:

Schema

@PublicEvolving
public static final class Schema.UnresolvedComputedColumn
extends Schema.UnresolvedColumn

Declaration of a computed column that will be resolved to Column.ComputedColumn during schema resolution.

构造器概要

构造器

构造器和说明
UnresolvedComputedColumn(String columnName, Expression expression)
UnresolvedComputedColumn(String columnName, Expression expression, String comment)

方法概要

限定符和类型	方法和说明
boolean	equals(Object o)
Expression	getExpression()
int	hashCode()
String	toString()
Schema.UnresolvedComputedColumn	withComment(String comment)

从类继承的方法 org.apache.flink.table.api.Schema.UnresolvedColumn

getComment, getName

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

UnresolvedComputedColumn

public UnresolvedComputedColumn(String columnName,
                                Expression expression)

UnresolvedComputedColumn

public UnresolvedComputedColumn(String columnName,
                                Expression expression,
                                String comment)

方法详细资料

withComment

public Schema.UnresolvedComputedColumn withComment(String comment)

getExpression

public Expression getExpression()

toString

public String toString()

覆盖:

toString 在类中 Schema.UnresolvedColumn

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Schema.UnresolvedColumn

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Schema.UnresolvedColumn