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From Vinayak Borkar <vbo...@yahoo.com>
Subject Re: Error when testing dates
Date Wed, 04 Jul 2012 20:59:51 GMT
xs:date(...) invokes the cast function. Since cast is not yet 
implemented, you are seeing this error. I will start to work on adding 
casting functionality.


On 7/4/12 12:36 PM, Eldon Carman wrote:
> So I changed query to be the following:
> (xs:date("2004-12-25Z") eq xs:date("2004-12-25+07:00"))
>
> Still does not work. Does the system know how to read the date field?
>
> Plan:
> write [%0->$$6] -- |UNPARTITIONED|
>    unnest $$6 <- function-call:
> vxquery:{urn:org.apache.vxquery.operators-ext}iterate, Args:[%0->$$5] --
> |UNPARTITIONED|
>      assign [$$5] <- [function-call:
> vxquery:{urn:org.apache.vxquery.operators-ext}value-eq,
> Args:[function-call: vxquery:{urn:org.apache.vxquery.operators-ext}promote,
> Args:[function-call: vxquery:{http://www.w3.org/2005/xpath-functions}data,
> Args:[%0->$$2], {http://www.w3.org/2001/XMLSchema}int QUANT_ONE(bytes[5] =
> [1d00000002])], function-call:
> vxquery:{urn:org.apache.vxquery.operators-ext}promote, Args:[function-call:
> vxquery:{http://www.w3.org/2005/xpath-functions}data, Args:[%0->$$4], {
> http://www.w3.org/2001/XMLSchema}int QUANT_ONE(bytes[5] = [1d00000002])]]]
> -- |UNPARTITIONED|
>        assign [$$4] <- [function-call:
> vxquery:{urn:org.apache.vxquery.operators-ext}cast, Args:[%0->$$3, {
> http://www.w3.org/2001/XMLSchema}int QUANT_ONE(bytes[5] = [1d00000043])]]
> -- |UNPARTITIONED|
>          assign [$$3] <-
> [{http://www.w3.org/2001/XMLSchema}stringQUANT_ONE(bytes[19] =
> [040010323030342d31322d32352b30373a3030])] --
> |UNPARTITIONED|
>            assign [$$2] <- [function-call:
> vxquery:{urn:org.apache.vxquery.operators-ext}cast, Args:[%0->$$1, {
> http://www.w3.org/2001/XMLSchema}int QUANT_ONE(bytes[5] = [1d00000043])]]
> -- |UNPARTITIONED|
>              assign [$$1] <-
> [{http://www.w3.org/2001/XMLSchema}stringQUANT_ONE(bytes[14] =
> [04000b323030342d31322d32355a])] -- |UNPARTITIONED|
>                empty-tuple-source -- |UNPARTITIONED|
>
> Error Message:
> Exception in thread "main" org.apache.vxquery.exceptions.SystemException:
> SYSE0001:
> at
> org.apache.vxquery.xmlquery.query.XMLQueryCompiler.compile(XMLQueryCompiler.java:127)
> at org.apache.vxquery.cli.VXQuery.execute(VXQuery.java:147)
> at org.apache.vxquery.cli.VXQuery.main(VXQuery.java:81)
> Caused by:
> edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException:
> org.apache.vxquery.exceptions.SystemException: SYSE0001: [No
> IScalarEvaluatorFactory runtime for
> {urn:org.apache.vxquery.operators-ext}cast]
> at
> org.apache.vxquery.compiler.algebricks.VXQueryExpressionRuntimeProvider.createEvaluatorFactory(VXQueryExpressionRuntimeProvider.java:53)
> at
> edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AssignPOperator.contributeRuntimeOperator(AssignPOperator.java:72)
> at
> edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.contributeRuntimeOperator(AbstractLogicalOperator.java:158)
> at
> edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler.compileOpRef(PlanCompiler.java:85)
> at
> edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler.compileOpRef(PlanCompiler.java:72)
> at
> edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler.compileOpRef(PlanCompiler.java:72)
> at
> edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler.compileOpRef(PlanCompiler.java:72)
> at
> edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler.compileOpRef(PlanCompiler.java:72)
> at
> edu.uci.ics.hyracks.algebricks.core.jobgen.impl.PlanCompiler.compilePlan(PlanCompiler.java:50)
> at
> edu.uci.ics.hyracks.algebricks.compiler.api.HeuristicCompilerFactoryBuilder$1$1.createJob(HeuristicCompilerFactoryBuilder.java:93)
> at
> org.apache.vxquery.xmlquery.query.XMLQueryCompiler.compile(XMLQueryCompiler.java:125)
> ... 2 more
> Caused by: org.apache.vxquery.exceptions.SystemException: SYSE0001: [No
> IScalarEvaluatorFactory runtime for
> {urn:org.apache.vxquery.operators-ext}cast]
> at
> org.apache.vxquery.functions.Function.createScalarEvaluatorFactory(Function.java:54)
> at
> org.apache.vxquery.compiler.algebricks.VXQueryExpressionRuntimeProvider.createEvaluatorFactory(VXQueryExpressionRuntimeProvider.java:51)
> ... 12 more
>
>
> On Wed, Jul 4, 2012 at 11:58 AM, Till Westmann <till@westmann.org> wrote:
>
>> The operators in the "op:" namespace cannot be invoked directly. The just
>> provide the implementation for the comparison operators. So the query
>> should use an infix "eq" instead of the date-equal operator. (And I hope
>> that that mapping works correctly right now.)
>>
>> Cheers,
>> Till
>>
>> On Jul 4, 2012, at 11:47 AM, Eldon Carman wrote:
>>
>>> Below is an error I received when attempting to run a query with dates.
>>>
>>> XQuery:
>>> op:date-equal(xs:date("2004-12-25Z"), xs:date("2004-12-25+07:00"))
>>>
>>> Error Message:
>>> Exception in thread "main" org.apache.vxquery.exceptions.SystemException:
>>> XPST0081: ../../xquery/simple/comparison/eq_date_date.xq (1:1) It is a
>>> static error if a QName used in a query contains a namespace prefix that
>>> cannot be expanded into a namespace URI by using the statically known
>>> namespaces.
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.createQName(XMLQueryTranslator.java:1685)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.createQName(XMLQueryTranslator.java:1674)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateFunctionExprNode(XMLQueryTranslator.java:1294)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateExpression(XMLQueryTranslator.java:666)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translatePathExpr(XMLQueryTranslator.java:1441)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateExpression(XMLQueryTranslator.java:662)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateExpressionList(XMLQueryTranslator.java:1954)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateExprNode(XMLQueryTranslator.java:1387)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateExpression(XMLQueryTranslator.java:643)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateMainModule(XMLQueryTranslator.java:626)
>>> at
>>>
>> org.apache.vxquery.xmlquery.translator.XMLQueryTranslator.translateModule(XMLQueryTranslator.java:253)
>>> at
>>>
>> org.apache.vxquery.xmlquery.query.XMLQueryCompiler.compile(XMLQueryCompiler.java:112)
>>> at org.apache.vxquery.cli.VXQuery.execute(VXQuery.java:147)
>>> at org.apache.vxquery.cli.VXQuery.main(VXQuery.java:81)
>>
>>
>



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