Package org.apache.arrow.driver.jdbc.utils

Class AvaticaParameterBinder

java.lang.Object

org.apache.arrow.driver.jdbc.utils.AvaticaParameterBinder

public class AvaticaParameterBinder
extends Object

Convert Avatica PreparedStatement parameters from a list of TypedValue to Arrow and bind them to the VectorSchemaRoot representing the PreparedStatement parameters.

NOTE: Make sure to close the parameters VectorSchemaRoot once we're done with them.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AvaticaParameterBinder.BinderVisitor	ArrowTypeVisitor that binds Avatica TypedValues to the given FieldVector at the specified index.

Constructor Summary

Constructors

Constructor	Description
AvaticaParameterBinder(ArrowFlightSqlClientHandler.PreparedStatement preparedStatement, BufferAllocator bufferAllocator)	Instantiate a new AvaticaParameterBinder.

Method Summary

Modifier and Type	Method	Description
void	bind(List<org.apache.calcite.avatica.remote.TypedValue> typedValues)	Bind the given Avatica values to the prepared statement.
void	bind(List<org.apache.calcite.avatica.remote.TypedValue> typedValues, int index)	Bind the given Avatica values to the prepared statement at the given index.

Methods inherited from class java.lang.Object

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

Constructor Details

AvaticaParameterBinder

public AvaticaParameterBinder(ArrowFlightSqlClientHandler.PreparedStatement preparedStatement,
 BufferAllocator bufferAllocator)

Instantiate a new AvaticaParameterBinder.

Parameters:

preparedStatement - The PreparedStatement to bind parameters to.

bufferAllocator - The BufferAllocator to use for allocating memory.

Method Details

bind

public void bind(List<org.apache.calcite.avatica.remote.TypedValue> typedValues)

Bind the given Avatica values to the prepared statement.

Parameters:

typedValues - The parameter values.

bind

public void bind(List<org.apache.calcite.avatica.remote.TypedValue> typedValues,
 int index)

Bind the given Avatica values to the prepared statement at the given index.

Parameters:

typedValues - The parameter values.

index - index for parameter.