Package org.elasticsearch.xpack.esql.datasources

Record Class SchemaReconciliation.FileSchemaInfo

java.lang.Object

java.lang.Record

org.elasticsearch.xpack.esql.datasources.SchemaReconciliation.FileSchemaInfo

Record Components:

fileSchema - the original schema from this file

mapping - column mapping from unified schema to file schema, null for identity mapping

statistics - optional statistics from file metadata

Enclosing class:

SchemaReconciliation

public static record SchemaReconciliation.FileSchemaInfo(List<Attribute> fileSchema, SchemaReconciliation.ColumnMapping mapping, SourceStatistics statistics)
extends Record

Per-file schema information collected during reconciliation.

Constructor Summary

Constructors

Constructor	Description
FileSchemaInfo(List<Attribute> fileSchema, SchemaReconciliation.ColumnMapping mapping, SourceStatistics statistics)	Creates an instance of a FileSchemaInfo record class.

Method Summary

Modifier and Type	Method	Description
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
List<Attribute>	fileSchema()	Returns the value of the fileSchema record component.
final int	hashCode()	Returns a hash code value for this object.
SchemaReconciliation.ColumnMapping	mapping()	Returns the value of the mapping record component.
SourceStatistics	statistics()	Returns the value of the statistics record component.
final String	toString()	Returns a string representation of this record class.

Methods inherited from class java.lang.Object

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

Constructor Details

FileSchemaInfo

public FileSchemaInfo(List<Attribute> fileSchema,
 @Nullable
 SchemaReconciliation.ColumnMapping mapping,
 @Nullable
 SourceStatistics statistics)

Creates an instance of a FileSchemaInfo record class.

Parameters:

fileSchema - the value for the fileSchema record component

mapping - the value for the mapping record component

statistics - the value for the statistics record component

Method Details

toString

public final 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. All components in this record class are compared with Objects::equals(Object,Object).

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.

fileSchema

public List<Attribute> fileSchema()

Returns the value of the fileSchema record component.

Returns:

the value of the fileSchema record component

mapping

@Nullable
public SchemaReconciliation.ColumnMapping mapping()

Returns the value of the mapping record component.

Returns:

the value of the mapping record component

statistics

@Nullable
public SourceStatistics statistics()

Returns the value of the statistics record component.

Returns:

the value of the statistics record component