io.delta.kernel.internal.data

Class ScanStateRow

java.lang.Object

io.delta.kernel.internal.data.ScanStateRow

All Implemented Interfaces:

Row

public class ScanStateRow
extends java.lang.Object
implements Row

Expose the common scan state for all scan files.

Constructor Summary

Constructors

Constructor and Description
ScanStateRow(Metadata metadata, Protocol protocol, java.lang.String readSchemaLogicalJson, java.lang.String readSchemaPhysicalJson, java.lang.String tablePath)

Method Summary

Modifier and Type	Method and Description
<T> java.util.List<T>	getArray(int ordinal) Return array value of the column located at the given ordinal.
byte[]	getBinary(int ordinal) Return binary value of the column located at the given ordinal.
boolean	getBoolean(int ordinal) Return boolean value of the column located at the given ordinal.
byte	getByte(int ordinal) Return byte value of the column located at the given ordinal.
java.util.Map<java.lang.String,java.lang.String>	getConfiguration()
static int	getConfigurationColOrdinal()
double	getDouble(int ordinal) Return double value of the column located at the given ordinal.
float	getFloat(int ordinal) Return float value of the column located at the given ordinal.
int	getInt(int ordinal) Return integer value of the column located at the given ordinal.
static int	getLogicalSchemaStringColOrdinal()
long	getLong(int ordinal) Return long value of the column located at the given ordinal.
<K,V> java.util.Map<K,V>	getMap(int ordinal) Return map value of the column located at the given ordinal.
int	getMinReaderVersion()
int	getMinWriterVersion()
java.util.List<java.lang.String>	getPartitionColumns()
static int	getPartitionColumnsColOrdinal()
static int	getPhysicalSchemaStringColOrdinal()
java.lang.String	getReadSchemaLogicalJson()
java.lang.String	getReadSchemaPhysicalJson()
StructType	getSchema()
short	getShort(int ordinal) Return short value of the column located at the given ordinal.
java.lang.String	getString(int ordinal) Return string value of the column located at the given ordinal.
Row	getStruct(int ordinal) Return struct value of the column located at the given ordinal.
java.lang.String	getTablePath()
static java.lang.String	getTablePath(Row row)
boolean	isNullAt(int ordinal)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ScanStateRow

public ScanStateRow(Metadata metadata,
                    Protocol protocol,
                    java.lang.String readSchemaLogicalJson,
                    java.lang.String readSchemaPhysicalJson,
                    java.lang.String tablePath)

Method Detail

getLogicalSchemaStringColOrdinal

public static int getLogicalSchemaStringColOrdinal()

getPhysicalSchemaStringColOrdinal

public static int getPhysicalSchemaStringColOrdinal()

getPartitionColumnsColOrdinal

public static int getPartitionColumnsColOrdinal()

getConfigurationColOrdinal

public static int getConfigurationColOrdinal()

getTablePath

public static java.lang.String getTablePath(Row row)

getConfiguration

public java.util.Map<java.lang.String,java.lang.String> getConfiguration()

getPartitionColumns

public java.util.List<java.lang.String> getPartitionColumns()

getMinReaderVersion

public int getMinReaderVersion()

getMinWriterVersion

public int getMinWriterVersion()

getReadSchemaPhysicalJson

public java.lang.String getReadSchemaPhysicalJson()

getReadSchemaLogicalJson

public java.lang.String getReadSchemaLogicalJson()

getTablePath

public java.lang.String getTablePath()

getSchema

public StructType getSchema()

Specified by:

getSchema in interface Row

Returns:

Schema of the record.

isNullAt

public boolean isNullAt(int ordinal)

Specified by:

isNullAt in interface Row

Parameters:

ordinal - the ordinal of the column to check

Returns:

whether the column at ordinal is null

getBoolean

public boolean getBoolean(int ordinal)

Description copied from interface: Row

Return boolean value of the column located at the given ordinal. Throws error if the column at given ordinal is not of boolean type,

Specified by:

getBoolean in interface Row

getByte

public byte getByte(int ordinal)

Description copied from interface: Row

Return byte value of the column located at the given ordinal. Throws error if the column at given ordinal is not of boolean type,

Specified by:

getByte in interface Row

getShort

public short getShort(int ordinal)

Description copied from interface: Row

Return short value of the column located at the given ordinal. Throws error if the column at given ordinal is not of boolean type,

Specified by:

getShort in interface Row

getInt

public int getInt(int ordinal)

Description copied from interface: Row

Return integer value of the column located at the given ordinal. Throws error if the column at given ordinal is not of integer type,

Specified by:

getInt in interface Row

getLong

public long getLong(int ordinal)

Description copied from interface: Row

Return long value of the column located at the given ordinal. Throws error if the column at given ordinal is not of long type,

Specified by:

getLong in interface Row

getFloat

public float getFloat(int ordinal)

Description copied from interface: Row

Return float value of the column located at the given ordinal. Throws error if the column at given ordinal is not of long type,

Specified by:

getFloat in interface Row

getDouble

public double getDouble(int ordinal)

Description copied from interface: Row

Return double value of the column located at the given ordinal. Throws error if the column at given ordinal is not of long type,

Specified by:

getDouble in interface Row

getString

public java.lang.String getString(int ordinal)

Description copied from interface: Row

Return string value of the column located at the given ordinal. Throws error if the column at given ordinal is not of varchar type,

Specified by:

getString in interface Row

getBinary

public byte[] getBinary(int ordinal)

Description copied from interface: Row

Return binary value of the column located at the given ordinal. Throws error if the column at given ordinal is not of varchar type,

Specified by:

getBinary in interface Row

getStruct

public Row getStruct(int ordinal)

Description copied from interface: Row

Return struct value of the column located at the given ordinal. Throws error if the column at given ordinal is not of struct type,

Specified by:

getStruct in interface Row

getArray

public <T> java.util.List<T> getArray(int ordinal)

Description copied from interface: Row

Return array value of the column located at the given ordinal. Throws error if the column at given ordinal is not of array type,

Specified by:

getArray in interface Row

getMap

public <K,V> java.util.Map<K,V> getMap(int ordinal)

Description copied from interface: Row

Return map value of the column located at the given ordinal. Throws error if the column at given ordinal is not of map type,

Specified by:

getMap in interface Row