Package io.trino.plugin.kafka

Class KafkaInternalFieldManager

java.lang.Object

io.trino.plugin.kafka.KafkaInternalFieldManager

public class KafkaInternalFieldManager
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	KafkaInternalFieldManager.InternalField

Field Summary

Fields

Modifier and Type	Field	Description
static String	HEADERS_FIELD	_headers - The header fields of the Kafka message.
static String	KEY_CORRUPT_FIELD	_key_corrupt - True if the row converter could not read the a key.
static String	KEY_FIELD	_key - Represents the key as a text column.
static String	KEY_LENGTH_FIELD	_key_length - length in bytes of the key.
static String	MESSAGE_CORRUPT_FIELD	_message_corrupt - True if the row converter could not read the a message.
static String	MESSAGE_FIELD	_message - Represents the full topic as a text column.
static String	MESSAGE_LENGTH_FIELD	_message_length - length in bytes of the message.
static String	OFFSET_TIMESTAMP_FIELD	_timestamp - message timestamp
static String	PARTITION_ID_FIELD	_partition_id - Kafka partition id.
static String	PARTITION_OFFSET_FIELD	_partition_offset - The current offset of the message in the partition.

Constructor Summary

Constructors

Constructor	Description
KafkaInternalFieldManager(TypeManager typeManager)

Method Summary

Modifier and Type	Method	Description
Map<String,KafkaInternalFieldManager.InternalField>	getInternalFields()

Methods inherited from class java.lang.Object

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

Field Detail

PARTITION_ID_FIELD

public static final String PARTITION_ID_FIELD

_partition_id - Kafka partition id.

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Constant Field Values

PARTITION_OFFSET_FIELD

public static final String PARTITION_OFFSET_FIELD

_partition_offset - The current offset of the message in the partition.

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Constant Field Values

MESSAGE_CORRUPT_FIELD

public static final String MESSAGE_CORRUPT_FIELD

_message_corrupt - True if the row converter could not read the a message. May be null if the row converter does not set a value (e.g. the dummy row converter does not).

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Constant Field Values

MESSAGE_FIELD

public static final String MESSAGE_FIELD

_message - Represents the full topic as a text column. Format is UTF-8 which may be wrong for some topics. TODO: make charset configurable.

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Constant Field Values

MESSAGE_LENGTH_FIELD

public static final String MESSAGE_LENGTH_FIELD

_message_length - length in bytes of the message.

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Constant Field Values

HEADERS_FIELD

public static final String HEADERS_FIELD

_headers - The header fields of the Kafka message. Key is a UTF-8 String and values an array of byte[].

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Constant Field Values

KEY_CORRUPT_FIELD

public static final String KEY_CORRUPT_FIELD

_key_corrupt - True if the row converter could not read the a key. May be null if the row converter does not set a value (e.g. the dummy row converter does not).

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Constant Field Values

KEY_FIELD

public static final String KEY_FIELD

_key - Represents the key as a text column. Format is UTF-8 which may be wrong for topics. TODO: make charset configurable.

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Constant Field Values

KEY_LENGTH_FIELD

public static final String KEY_LENGTH_FIELD

_key_length - length in bytes of the key.

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Constant Field Values

OFFSET_TIMESTAMP_FIELD

public static final String OFFSET_TIMESTAMP_FIELD

_timestamp - message timestamp

See Also:

Constant Field Values

Constructor Detail

KafkaInternalFieldManager

@Inject
public KafkaInternalFieldManager(TypeManager typeManager)

Method Detail

getInternalFields

public Map<String,KafkaInternalFieldManager.InternalField> getInternalFields()

Returns:

Map of KafkaInternalFieldManager.InternalField for each internal field.