---
title: addOnlyToBlink
---

The `AddOnlyToBlinkTableAdapter.toBlink` method converts an add-only or append-only table to a blink table.

Blink tables keep only the set of rows received during the current update cycle. The table only consists of rows added in the previous update cycle, and no rows persist for more than one update cycle.

## Syntax

```groovy syntax
import io.deephaven.engine.table.impl.AddOnlyToBlinkTableAdapter

AddOnlyToBlinkTableAdapter.toBlink(table)
```

## Parameters

<ParamTable>
<Param name="table" type="Table">

The add-only or append-only table to convert to a blink table. The table must be refreshing.

</Param>
</ParamTable>

## Returns

A blink table based on the input table.

## Examples

The following example creates an append-only time table and converts it to a blink table.

```groovy ticking-table order=null
import io.deephaven.engine.table.impl.AddOnlyToBlinkTableAdapter

source = timeTable("PT1S")

println "Before conversion: ${source.isBlink()}"

result = AddOnlyToBlinkTableAdapter.toBlink(source)

println "After conversion: ${result.isBlink()}"
```

![The above `source` and `result` tables](../../../assets/reference/table-operations/add-only-to-blink-1.gif)

## Related documentation

- [`timeTable`](./timeTable.md)
- [`isBlink`](../metadata/isBlink.md)
- [`removeBlink`](./remove-blink.md)
- [`blinkToAppendOnly`](./blink-to-append-only.md)
- [Table types: Specialized semantics for blink tables](../../../conceptual/table-types.md#specialized-semantics-for-blink-tables)
- [Javadoc](https://docs.deephaven.io/core/javadoc/io/deephaven/engine/table/impl/AddOnlyToBlinkTableAdapter.html#toBlink(io.deephaven.engine.table.Table))