Package io.trino.plugin.memory

Record Class ColumnInfo

java.lang.Object

java.lang.Record

io.trino.plugin.memory.ColumnInfo

public record ColumnInfo(ColumnHandle handle, String name, Type type, boolean nullable, Optional<String> comment)
extends Record

Constructor Summary

Constructors

Constructor	Description
ColumnInfo(ColumnHandle handle, String name, Type type, boolean nullable, Optional<String> comment)	Creates an instance of a ColumnInfo record class.

Method Summary

Modifier and Type	Method	Description
Optional<String>	comment()	Returns the value of the comment record component.
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
ColumnMetadata	getMetadata()
ColumnHandle	handle()	Returns the value of the handle record component.
final int	hashCode()	Returns a hash code value for this object.
String	name()	Returns the value of the name record component.
boolean	nullable()	Returns the value of the nullable record component.
String	toString()	Returns a string representation of this record class.
Type	type()	Returns the value of the type record component.

Methods inherited from class java.lang.Object

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

Constructor Details

ColumnInfo

public ColumnInfo(ColumnHandle handle,
 String name,
 Type type,
 boolean nullable,
 Optional<String> comment)

Creates an instance of a ColumnInfo record class.

Parameters:

handle - the value for the handle record component

name - the value for the name record component

type - the value for the type record component

nullable - the value for the nullable record component

comment - the value for the comment record component

Method Details

getMetadata

public ColumnMetadata getMetadata()

toString

public String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. Reference components are compared with Objects::equals(Object,Object); primitive components are compared with '=='.

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

handle

public ColumnHandle handle()

Returns the value of the handle record component.

Returns:

the value of the handle record component

name

public String name()

Returns the value of the name record component.

Returns:

the value of the name record component

type

public Type type()

Returns the value of the type record component.

Returns:

the value of the type record component

nullable

public boolean nullable()

Returns the value of the nullable record component.

Returns:

the value of the nullable record component

comment

public Optional<String> comment()

Returns the value of the comment record component.

Returns:

the value of the comment record component