Is OCommandSQL done synchronously?

[Erik T]

For this code

OCommandSQL preparedQuery = new OCommandSQL(query);
OrientBaseGraph graph = (OrientBaseGraph) getGraph().getBaseGraph();
return AccessController.doPrivileged((PrivilegedAction<Object>) () -> graph.command(preparedQuery).execute(stationNames));

Is preparedQuery executed synchronously or asynchronously?

[Luigi Dell'Aquila]

Hi Erik,

The query is executed synchronously. The result is returned as soon as all the result set is available.

With the new API (v 3.0) the queries are still synchronous, but the result set is paginated, so the first results are returned as soon as they are available

Thanks

Luigi

 

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[Erik T]

Thanks Luigi.

So what's the difference between OCommandSQL and OSQLSyncQuery? They seem to be the same so why have two classes?

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[Luigi Dell'Aquila]

Hi Erik,

The Command is intended for the execution of non-idempotent statements (e.g. UPDATE or INSERT), while the Query can only execute idempotent statements (eg. SELECT, MATCH)

Thanks

Luigi

2018-05-17 12:31 GMT+02:00 Erik T <erik....@gmail.com>:

Thanks Luigi.

So what's the difference between OCommandSQL and OSQLSyncQuery? They seem to be the same so why have two classes?

On Thu, May 17, 2018, 3:30 AM Luigi Dell'Aquila <luigi.de...@gmail.com> wrote:

Hi Erik,

The query is executed synchronously. The result is returned as soon as all the result set is available.

With the new API (v 3.0) the queries are still synchronous, but the result set is paginated, so the first results are returned as soon as they are available

Thanks

Luigi

 

2018-05-16 21:43 GMT+02:00 Erik T <erik....@gmail.com>:

For this code

OCommandSQL preparedQuery = new OCommandSQL(query);
OrientBaseGraph graph = (OrientBaseGraph) getGraph().getBaseGraph();
return AccessController.doPrivileged((PrivilegedAction<Object>) () -> graph.command(preparedQuery).execute(stationNames));

Is preparedQuery executed synchronously or asynchronously?

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