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

Class UpdatePlanBuilder

java.lang.Object

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

public final class UpdatePlanBuilder
extends Object

Logic for building update plans performed by DmlStatementsProcessor.

Method Summary

Modifier and Type	Method and Description
static UpdatePlan	planForBulkLoad(SqlBulkLoadCommand cmd, GridH2Table tbl) Prepare update plan for COPY command (AKA bulk load).
static UpdatePlan	planForStatement(QueryDescriptor planKey, GridSqlStatement stmt, boolean mvccEnabled, IgniteH2Indexing idx, IgniteLogger log) Generate SELECT statements to retrieve data for modifications from and find fast UPDATE or DELETE args, if available.

Methods inherited from class java.lang.Object

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

Method Detail

planForStatement

public static UpdatePlan planForStatement(QueryDescriptor planKey,
                                          GridSqlStatement stmt,
                                          boolean mvccEnabled,
                                          IgniteH2Indexing idx,
                                          IgniteLogger log)
                                   throws IgniteCheckedException

Generate SELECT statements to retrieve data for modifications from and find fast UPDATE or DELETE args, if available.

Parameters:

planKey - Plan key.

stmt - Statement.

mvccEnabled - MVCC enabled flag.

idx - Indexing.

Returns:

Update plan.

Throws:

IgniteCheckedException

planForBulkLoad

public static UpdatePlan planForBulkLoad(SqlBulkLoadCommand cmd,
                                         GridH2Table tbl)
                                  throws IgniteCheckedException

Prepare update plan for COPY command (AKA bulk load).

Parameters:

cmd - Bulk load command

Returns:

The update plan for this command.

Throws:

IgniteCheckedException - if failed.