Package io.trino.spi.connector

Interface ConnectorMergeSink

public interface ConnectorMergeSink

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DELETE_OPERATION_NUMBER	Represents a deleted row.
static final int	INSERT_OPERATION_NUMBER	Represents an inserted row.
static final int	UPDATE_DELETE_OPERATION_NUMBER	Represents an old version of an updated row, to be deleted, when using RowChangeParadigm.DELETE_ROW_AND_INSERT_ROW.
static final int	UPDATE_INSERT_OPERATION_NUMBER	Represents a new version of an updated row, to be inserted, when using RowChangeParadigm.DELETE_ROW_AND_INSERT_ROW.
static final int	UPDATE_OPERATION_NUMBER	Represents an updated row when using RowChangeParadigm.CHANGE_ONLY_UPDATED_COLUMNS.

Method Summary

Modifier and Type	Method	Description
default void	abort()
CompletableFuture<Collection<io.airlift.slice.Slice>>	finish()
void	storeMergedRows(Page page)	Store the page resulting from a merge.

Field Details

INSERT_OPERATION_NUMBER

static final int INSERT_OPERATION_NUMBER

Represents an inserted row.

See Also:

• Constant Field Values

DELETE_OPERATION_NUMBER

static final int DELETE_OPERATION_NUMBER

Represents a deleted row.

See Also:

• Constant Field Values

UPDATE_OPERATION_NUMBER

static final int UPDATE_OPERATION_NUMBER

Represents an updated row when using RowChangeParadigm.CHANGE_ONLY_UPDATED_COLUMNS.

See Also:

• Constant Field Values

UPDATE_INSERT_OPERATION_NUMBER

static final int UPDATE_INSERT_OPERATION_NUMBER

Represents a new version of an updated row, to be inserted, when using RowChangeParadigm.DELETE_ROW_AND_INSERT_ROW.

See Also:

• Constant Field Values

UPDATE_DELETE_OPERATION_NUMBER

static final int UPDATE_DELETE_OPERATION_NUMBER

Represents an old version of an updated row, to be deleted, when using RowChangeParadigm.DELETE_ROW_AND_INSERT_ROW.

See Also:

• Constant Field Values

Method Details

storeMergedRows

void storeMergedRows(Page page)

Store the page resulting from a merge. The page consists of n channels, numbered 0..n-1:

• Blocks 0..n-3 in page are the data columns
• Block n-2 is the tinyint operation:
  • INSERT_OPERATION_NUMBER
  • DELETE_OPERATION_NUMBER
  • UPDATE_OPERATION_NUMBER
  • UPDATE_INSERT_OPERATION_NUMBER
  • UPDATE_DELETE_OPERATION_NUMBER
• Block n-1 is a connector-specific rowId column, whose handle was previously returned by getMergeRowIdColumnHandle()

Parameters:

page - The page to store.

finish

CompletableFuture<Collection<io.airlift.slice.Slice>> finish()

abort

default void abort()