本文整理了Java中com.facebook.presto.metadata.Metadata.finishInsert()
方法的一些代码示例,展示了Metadata.finishInsert()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Metadata.finishInsert()
方法的具体详情如下:
包路径:com.facebook.presto.metadata.Metadata
类名称:Metadata
方法名:finishInsert
[英]Finish insert query
[中]完成插入查询
代码示例来源:origin: prestodb/presto
private static TableFinisher createTableFinisher(Session session, TableFinishNode node, Metadata metadata)
{
WriterTarget target = node.getTarget();
return (fragments, statistics) -> {
if (target instanceof CreateHandle) {
return metadata.finishCreateTable(session, ((CreateHandle) target).getHandle(), fragments, statistics);
}
else if (target instanceof InsertHandle) {
return metadata.finishInsert(session, ((InsertHandle) target).getHandle(), fragments, statistics);
}
else if (target instanceof DeleteHandle) {
metadata.finishDelete(session, ((DeleteHandle) target).getHandle(), fragments);
return Optional.empty();
}
else {
throw new AssertionError("Unhandled target type: " + target.getClass().getName());
}
};
}
代码示例来源:origin: prestodb/presto
private HiveInsertTableHandle getHiveInsertTableHandle(Session session, String tableName)
{
Metadata metadata = ((DistributedQueryRunner) getQueryRunner()).getCoordinator().getMetadata();
return transaction(getQueryRunner().getTransactionManager(), getQueryRunner().getAccessControl())
.execute(session, transactionSession -> {
QualifiedObjectName objectName = new QualifiedObjectName(catalog, TPCH_SCHEMA, tableName);
Optional<TableHandle> handle = metadata.getTableHandle(transactionSession, objectName);
InsertTableHandle insertTableHandle = metadata.beginInsert(transactionSession, handle.get());
HiveInsertTableHandle hiveInsertTableHandle = (HiveInsertTableHandle) insertTableHandle.getConnectorHandle();
metadata.finishInsert(transactionSession, insertTableHandle, ImmutableList.of(), ImmutableList.of());
return hiveInsertTableHandle;
});
}
代码示例来源:origin: uk.co.nichesolutions.presto/presto-main
@Override
public void finishTable(Collection<Slice> fragments)
{
if (target instanceof CreateHandle) {
metadata.finishCreateTable(session, ((CreateHandle) target).getHandle(), fragments);
}
else if (target instanceof InsertHandle) {
metadata.finishInsert(session, ((InsertHandle) target).getHandle(), fragments);
}
else if (target instanceof DeleteHandle) {
metadata.finishDelete(session, ((DeleteHandle) target).getHandle(), fragments);
}
else {
throw new AssertionError("Unhandled target type: " + target.getClass().getName());
}
}
};
内容来源于网络,如有侵权,请联系作者删除!