> Be careful, there are many sharp edges.
>
> :)
Alright ;)
So here we go: 'mvn validate' works fine for me but then ...
$ mvn verify
[INFO] prototype-parent .................................. SUCCESS [7.166s]
[INFO] common ............................................ FAILURE [17.775s]
[INFO] contrib-parent .................................... SKIPPED
[INFO] pom ............................................... SKIPPED
[INFO] exec .............................................. SKIPPED
[INFO] java-exec ......................................... SKIPPED
[INFO] Logical Plan Execution Reference Implementation ... SKIPPED
[INFO] planner ........................................... SKIPPED
[INFO] sqlparser ......................................... SKIPPED
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile
(default-compile) on project common: Compilation failure
Failure executing javac, but could not parse the error:
javac: invalid target release: 1.7
Usage: javac <options> <source files>
use -help for a list of possible options
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.CompilationFailureException: Compilation failure
Failure executing javac, but could not parse the error:
javac: invalid target release: 1.7
Usage: javac <options> <source files>
use -help for a list of possible options
at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:516)
at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:114)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
Cheers,
Michael
--
Michael Hausenblas
Ireland, Europe
http://mhausenblas.info/
On 14 Jan 2013, at 16:06, Jacques Nadeau <jacques.drill@gmail.com> wrote:
> Be careful, there are many sharp edges.
>
> :)
>
> On Mon, Jan 14, 2013 at 4:02 PM, Michael Hausenblas <
> michael.hausenblas@gmail.com> wrote:
>
>>
>> Cool stuff, Jacques - will give it a shot ASAP!
>>
>> Cheers,
>> Michael
>>
>> --
>> Michael Hausenblas
>> Ireland, Europe
>> http://mhausenblas.info/
>>
>> On 14 Jan 2013, at 15:56, Jacques Nadeau <jacques.drill@gmail.com> wrote:
>>
>>> I've been pulling together a reference logical plan interpreter. I'm
>>> working with Ted to get it inside the Drill sandbox. For now, you can
>> find
>>> it on my repo at https://github.com/jacques-n/incubator-drill (prototype
>>> branch)
>>>
>>>
>>>
>>> The goals of the reference interpreter are:
>>>
>>>
>>> - To provide a simple way to run a Logical Plan against some sample
>> data
>>> and get back the expected result
>>> - Allow work to start on the parsers while we scale up the performance
>>> and capabilities of the execution engine and optimizer.
>>> - Allow evaluation work on particular technical approaches such as
>>> exploring the impact of hierarchical and schema less data on query
>>> evaluation.
>>>
>>> These goals do not include performance, memory handling, or
>>> efficiency. Currently,
>>> the interpreter is a single node/thread process. This will change
>> shortly
>>> so that it also run as a clustered process.
>>>
>>> The entry point is inside the /sandbox/prototype/exec/ref module:
>>> org.apache.drill.exec.ref.ReferenceInterpreter.main(); The example
>> program
>>> utilizes two resources: simple-plan.json and donuts.json and outputs data
>>> to /opt/data/out.json.
>>>
>>>
>>> Some of things that 'work'.
>>>
>>>
>>> - Read/write basic json.
>>> - ROPs (reference operators): Filter, Transform, Group, Aggregate
>>> (simple), Order, Union.
>>> - Example aggregate and basic functions including sum, count, multiply,
>>> add, compare, equals.
>>>
>>> Basic glossary/concepts (we'll get this on the wiki/javadocs):
>>>
>>>
>>> - LOP: Logical Operator. An implementation agnostic data flow operator
>>> utilized by the Logical Plan.
>>> - ROP: Reference Operator: A reference operator implementation that
>>> pairs with a LOP.
>>> - FunctionDefinition: A definition of a particular function. Describes
>>> a set of aliases, an allowable set of input arguments and an interface
>> that
>>> will attempt to determine output type.
>>> - BasicEvaluator: An implementation of a particular non-aggregate
>>> expression. Receives a record pointer at creation time. Returns a
>>> DataValue.
>>> - AggregateEvaluator: An implementation of a particular aggregating
>>> function. Is provided a record pointer at creation time. Expects
>> regular
>>> calls to addRecord() followed by a call to eval() which provides the
>>> aggregate value.
>>> - DataValue: A pointer to a particular data value. Implementation
>>> classes includes things like ScalarLong, ScalarBytes, SimpleMapValue
>> and
>>> SimpleArrayValue.
>>>
>>> The standard record iterator utilized between each ROP utilizes the
>>> org.apache.drill.exec.ref.RecordIterator interface. This is somewhat
>>> inspired by the AttributeSource concepts from within the Lucene project.
>>> (I'm planning to extend these concepts all the way to the individual
>>> DataValues.)
>>>
>>>
>>>
>>> My next goals are to add tests, finish adding ROPs, add local and remote
>>> exchange nodes (parallelization), add a bunch of documentation and
>> extract
>>> out the Execution plan as a separate intermediate representation.
>>>
>>>
>>>
>>> It needs a lot more evaluators to be a true reference interpreter (as
>> well
>>> as the rest of the ROPs). The existing ones can be utilized as
>> prototypes.
>>> Anyone interested in ripping through a bunch of additional evaluators and
>>> associated FunctionDefinitions?
>>
>>
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