ColumnarBatch

java.lang.Object
- org.apache.iceberg.arrow.vectorized.ColumnarBatch

All Implemented Interfaces:

java.lang.AutoCloseable
```
public class ColumnarBatch
extends java.lang.Object
implements java.lang.AutoCloseable
```
This class is inspired by Spark's ColumnarBatch. This class wraps a columnar batch in the result set of an Iceberg table query.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	Called to close all the columns in this batch.
`ColumnVector`	`column(int ordinal)`	Returns the column at `ordinal`.
`org.apache.arrow.vector.VectorSchemaRoot`	`createVectorSchemaRootFromVectors()`	Create a new instance of `VectorSchemaRoot` from the arrow vectors stored in this arrow batch.
`int`	`numCols()`	Returns the number of columns that make up this batch.
`int`	`numRows()`	Returns the number of rows for read, including filtered rows.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - createVectorSchemaRootFromVectors
```
public org.apache.arrow.vector.VectorSchemaRoot createVectorSchemaRootFromVectors()
```
    Create a new instance of VectorSchemaRoot from the arrow vectors stored in this arrow batch. The arrow vectors are owned by the reader.
  - close
```
public void close()
```
    Called to close all the columns in this batch. It is not valid to access the data after calling this. This must be called at the end to clean up memory allocations.
    
    Specified by:
    
    close in interface java.lang.AutoCloseable
  - numCols
```
public int numCols()
```
    Returns the number of columns that make up this batch.
  - numRows
```
public int numRows()
```
    Returns the number of rows for read, including filtered rows.
  - column
```
public ColumnVector column(int ordinal)
```
    Returns the column at `ordinal`.