removeBlink
The removeBlink method returns a new non-blink copy of the source table or the source table itself if it is already not a blink table. This is useful when you want to disable the default aggregation behavior of a blink table.
By default, many aggregations on blink tables will be computed over every row that the table has seen since the aggregation was called. Although data in a blink table disappears every update cycle, some aggregations can still be computed as though the whole data history were available.
Syntax
table.removeBlink()
Parameters
This method takes no arguments.
Returns
A new non-blink Table.
Example
The following example creates a simple blink table with the time table builder and then calls removeBlink to make it a non-blink table. We then demonstrate the difference in aggregation behavior between a blink table and a non-blink table by summing the X column in each table.
import io.deephaven.engine.table.impl.TimeTable.Builder
import io.deephaven.engine.table.impl.BlinkTableTools
builder = new Builder().period("PT2S").blinkTable(true)
tBlink = builder.build()
tNoBlink = tBlink.removeBlink()
- tNoBlink
- tBlink