Package io.deephaven.engine.table.impl.by

Class RollupConstants

java.lang.Object

io.deephaven.engine.table.impl.by.RollupConstants

public final class RollupConstants
extends Object

Implementation constants for Table.rollup(java.util.Collection<? extends io.deephaven.api.agg.Aggregation>) support.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ROLLUP_COLUMN_SUFFIX	Marker suffix for rollup-internal column names.
static final String	ROLLUP_DISTINCT_SSM_COLUMN_ID	Middle column name component (between source column name and suffix) for SSM columns used in "distinct", "count distinct", and "unique" rollup aggregations.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

ROLLUP_COLUMN_SUFFIX

public static final String ROLLUP_COLUMN_SUFFIX

Marker suffix for rollup-internal column names.

See Also:

• Constant Field Values

ROLLUP_DISTINCT_SSM_COLUMN_ID

public static final String ROLLUP_DISTINCT_SSM_COLUMN_ID

Middle column name component (between source column name and suffix) for SSM columns used in "distinct", "count distinct", and "unique" rollup aggregations.

See Also:

• Constant Field Values