Package io.deephaven.api

Interface JoinAddition

All Known Implementing Classes:

ColumnName, MatchPair

public interface JoinAddition

A join addition represents a new column that should be added as the result of a join, brought over from an existing column.

See Also:

• TableOperations.join(Object, Collection, Collection, int)
• TableOperations.naturalJoin(Object, Collection, Collection)
• TableOperations.exactJoin(Object, Collection, Collection)
• TableOperations.asOfJoin(Object, Collection, AsOfJoinMatch, Collection)
• SnapshotWhenOptions.stampColumns()

Method Summary

Modifier and Type	Method	Description
ColumnName	existingColumn()	The existing column name, from the right table of a join operation.
static List<JoinAddition>	from(String... values)
static List<JoinAddition>	from(Collection<String> values)
ColumnName	newColumn()	The new column name, to be added to the new table.
static JoinAddition	of(ColumnName newColumn, ColumnName existingColumn)
static JoinAddition	parse(String x)

Method Details

of

static JoinAddition of(ColumnName newColumn,
 ColumnName existingColumn)

parse

static JoinAddition parse(String x)

from

static List<JoinAddition> from(String... values)

from

static List<JoinAddition> from(Collection<String> values)

newColumn

ColumnName newColumn()

The new column name, to be added to the new table.

Returns:

the new column name

existingColumn

ColumnName existingColumn()

The existing column name, from the right table of a join operation.

Returns:

the existing column name