org.apache.ignite.internal.processors.query.h2

Class QueryParameters

java.lang.Object

org.apache.ignite.internal.processors.query.h2.QueryParameters

public class QueryParameters
extends Object

Query parameters which vary between requests having the same execution plan. Essentially, these are the arguments of original SqlFieldsQuery which are not part of QueryDescriptor.

Method Summary

Modifier and Type	Method and Description
Object[]	arguments()
boolean	autoCommit()
List<Object[]>	batchedArguments()
Boolean	dataPageScanEnabled()
boolean	lazy()
long	maxMemory() Returns max memory available for query. .
NestedTxMode	nestedTxMode()
int	pageSize()
int[]	partitions()
int	timeout()
QueryParameters	toSingleBatchedArguments(Object[] args) Convert current batched arguments to a form with single arguments.
int	updateBatchSize() Gets update internal bach size.

Methods inherited from class java.lang.Object

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

Method Detail

arguments

public Object[] arguments()

Returns:

Arguments.

partitions

public int[] partitions()

Returns:

Partitions.

timeout

public int timeout()

Returns:

Timeout.

lazy

public boolean lazy()

Returns:

Lazy flag.

pageSize

public int pageSize()

Returns:

Page size.

dataPageScanEnabled

public Boolean dataPageScanEnabled()

Returns:

Data page scan enabled flag.

nestedTxMode

public NestedTxMode nestedTxMode()

Returns:

Nested TX mode.

autoCommit

public boolean autoCommit()

Returns:

Auto-commit flag.

batchedArguments

public List<Object[]> batchedArguments()

Returns:

Batched arguments.

updateBatchSize

public int updateBatchSize()

Gets update internal bach size. Default is 1 to prevent deadlock on update where keys sequance are different in several concurrent updates.

Returns:

Update internal batch size

maxMemory

public long maxMemory()

Returns max memory available for query. .

Returns:

Memory limit in bytes.

toSingleBatchedArguments

public QueryParameters toSingleBatchedArguments(Object[] args)

Convert current batched arguments to a form with single arguments.

Parameters:

args - Arguments.

Returns:

Result.