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How to specify path while creating tables using DLT

ankitmit
New Contributor III

Hi All,

I am trying to create table using DLT and would like to specify the path where all the files should reside.
I am trying something like this:

dlt.create_streaming_table(
    name="test",
    schema="""product_id STRING NOT NULL PRIMARY KEY,
              sap_key_test STRING NOT NULL,
              org_name_xyz STRING NOT NULL,
              brand STRING NOT NULL,
              country STRING NOT NULL,
              created TIMESTAMP NOT NULL,
              last_updated TIMESTAMP NOT NULL
    """,
    cluster_by=["brand", "country"],
    table_properties={
        "quality": "silver",
        "delta.feature.timestampNtz": "supported",
    },
    comment="product_hierarchy table in silver layer",
    path='s3://bi-rootbucket-dev/analytics/silver/test/',
)
    #ignore_null_updates set to True to prevent overwriting product_id and created columns
dlt.apply_changes(
        source="webshop_cdc",
        target="test",
        keys=["product_id","sales_org_test"],
        sequence_by=F.col("synced"),
        except_column_list=[
            "synced",
            "record_deleted",
            "product_online"
        ],
        stored_as_scd_type=2,
        #track_history_column_list = ["product_id","sales_org_test"],
        #ignore_null_updates=True,
        apply_as_deletes=F.expr("record_deleted= true"),
    )

but while running the DLT pipeline, I am getting this error:

java.lang.IllegalArgumentException: Cannot specify an explicit path for a table when using Unity Catalog. Remove the explicit path: s3://bi-rootbucket-dev/analytics/silver/test/ set for table `test`.
at com.databricks.pipelines.execution.service.UpdateValidation$.$anonfun$validateExplicitPathNotSetOnUCTable$2(UpdateValidation.scala:557)
at com.databricks.pipelines.execution.service.UpdateValidation$.$anonfun$validateExplicitPathNotSetOnUCTable$2$adapted(UpdateValidation.scala:537)
at scala.Option.foreach(Option.scala:407)
at com.databricks.pipelines.execution.service.UpdateValidation$.$anonfun$validateExplicitPathNotSetOnUCTable$1(UpdateValidation.scala:537)
at com.databricks.pipelines.execution.service.UpdateValidation$.$anonfun$validateExplicitPathNotSetOnUCTable$1$adapted(UpdateValidation.scala:535)
at scala.collection.immutable.List.foreach(List.scala:431)
at com.databricks.pipelines.execution.service.UpdateValidation$.validateExplicitPathNotSetOnUCTable(UpdateValidation.scala:535)
at com.databricks.pipelines.execution.service.UpdateValidation$.validate(UpdateValidation.scala:76)
at com.databricks.pipelines.execution.service.DLTComputeUpdateContext.validate(DLTComputeUpdateContext.scala:114)
at com.databricks.pipelines.execution.core.UpdateExecution.initializationForUpdates(UpdateExecution.scala:1104)
at com.databricks.pipelines.execution.core.UpdateExecution.$anonfun$executeUpdate$2(UpdateExecution.scala:626)
at com.databricks.pipelines.execution.core.UpdateExecution.$anonfun$executeStage$1(UpdateExecution.scala:471)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging.$anonfun$recordPipelinesOperation$3(DeltaPipelinesUsageLogging.scala:123)
at com.databricks.pipelines.common.monitoring.OperationStatusReporter.executeWithPeriodicReporting(OperationStatusReporter.scala:120)
at com.databricks.pipelines.common.monitoring.OperationStatusReporter$.executeWithPeriodicReporting(OperationStatusReporter.scala:160)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging.$anonfun$recordPipelinesOperation$6(DeltaPipelinesUsageLogging.scala:143)
at com.databricks.logging.UsageLogging.$anonfun$recordOperation$1(UsageLogging.scala:528)
at com.databricks.logging.UsageLogging.executeThunkAndCaptureResultTags$1(UsageLogging.scala:633)
at com.databricks.logging.UsageLogging.$anonfun$recordOperationWithResultTags$4(UsageLogging.scala:656)
at com.databricks.logging.AttributionContextTracing.$anonfun$withAttributionContext$1(AttributionContextTracing.scala:48)
at com.databricks.logging.AttributionContext$.$anonfun$withValue$1(AttributionContext.scala:276)
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62)
at com.databricks.logging.AttributionContext$.withValue(AttributionContext.scala:272)
at com.databricks.logging.AttributionContextTracing.withAttributionContext(AttributionContextTracing.scala:46)
at com.databricks.logging.AttributionContextTracing.withAttributionContext$(AttributionContextTracing.scala:43)
at com.databricks.pipelines.execution.core.monitoring.PublicLogging.withAttributionContext(DeltaPipelinesUsageLogging.scala:24)
at com.databricks.logging.AttributionContextTracing.withAttributionTags(AttributionContextTracing.scala:95)
at com.databricks.logging.AttributionContextTracing.withAttributionTags$(AttributionContextTracing.scala:76)
at com.databricks.pipelines.execution.core.monitoring.PublicLogging.withAttributionTags(DeltaPipelinesUsageLogging.scala:24)
at com.databricks.logging.UsageLogging.recordOperationWithResultTags(UsageLogging.scala:628)
at com.databricks.logging.UsageLogging.recordOperationWithResultTags$(UsageLogging.scala:537)
at com.databricks.pipelines.execution.core.monitoring.PublicLogging.recordOperationWithResultTags(DeltaPipelinesUsageLogging.scala:24)
at com.databricks.logging.UsageLogging.recordOperation(UsageLogging.scala:529)
at com.databricks.logging.UsageLogging.recordOperation$(UsageLogging.scala:495)
at com.databricks.pipelines.execution.core.monitoring.PublicLogging.recordOperation(DeltaPipelinesUsageLogging.scala:24)
at com.databricks.pipelines.execution.core.monitoring.PublicLogging.recordOperation0(DeltaPipelinesUsageLogging.scala:67)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging.$anonfun$recordPipelinesOperation$1(DeltaPipelinesUsageLogging.scala:135)
at com.databricks.spark.util.FrameProfiler$.record(FrameProfiler.scala:94)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging.recordPipelinesOperation(DeltaPipelinesUsageLogging.scala:113)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging.recordPipelinesOperation$(DeltaPipelinesUsageLogging.scala:109)
at com.databricks.pipelines.execution.core.UpdateExecution.recordPipelinesOperation(UpdateExecution.scala:92)
at com.databricks.pipelines.execution.core.UpdateExecution.executeStage(UpdateExecution.scala:471)
at com.databricks.pipelines.execution.core.UpdateExecution.$anonfun$executeUpdate$1(UpdateExecution.scala:624)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at com.databricks.spark.util.FrameProfiler$.record(FrameProfiler.scala:94)
at com.databricks.pipelines.execution.core.UpdateExecution.executeUpdate(UpdateExecution.scala:624)
at com.databricks.pipelines.execution.core.UpdateExecution.$anonfun$start$3(UpdateExecution.scala:304)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at com.databricks.logging.AttributionContextTracing.$anonfun$withAttributionContext$1(AttributionContextTracing.scala:48)
at com.databricks.logging.AttributionContext$.$anonfun$withValue$1(AttributionContext.scala:276)
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62)
at com.databricks.logging.AttributionContext$.withValue(AttributionContext.scala:272)
at com.databricks.logging.AttributionContextTracing.withAttributionContext(AttributionContextTracing.scala:46)
at com.databricks.logging.AttributionContextTracing.withAttributionContext$(AttributionContextTracing.scala:43)
at com.databricks.pipelines.execution.core.monitoring.PublicLogging.withAttributionContext(DeltaPipelinesUsageLogging.scala:24)
at com.databricks.logging.AttributionContextTracing.withAttributionTags(AttributionContextTracing.scala:95)
at com.databricks.logging.AttributionContextTracing.withAttributionTags$(AttributionContextTracing.scala:76)
at com.databricks.pipelines.execution.core.monitoring.PublicLogging.withAttributionTags(DeltaPipelinesUsageLogging.scala:24)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging$$anon$1.runWithAttributionTags(DeltaPipelinesUsageLogging.scala:85)
at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging.withDbAttributionTags(DeltaPipelinesUsageLogging.scala:92)
at com.databricks.pipelines.execution.core.monitoring.DeltaPipelinesUsageLogging.withDbAttributionTags$(DeltaPipelinesUsageLogging.scala:91)
at com.databricks.pipelines.execution.core.UpdateExecution.withDbAttributionTags(UpdateExecution.scala:92)
at com.databricks.pipelines.execution.core.UpdateExecution.$anonfun$start$1(UpdateExecution.scala:252)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at com.databricks.pipelines.execution.core.BaseUCContext.$anonfun$runWithNewUCS$1(BaseUCContext.scala:1462)
at com.databricks.unity.UCSEphemeralState$Handle.runWith(UCSEphemeralState.scala:51)
at com.databricks.unity.HandleImpl.runWith(UCSHandle.scala:104)
at com.databricks.unity.HandleImpl.$anonfun$runWithAndClose$1(UCSHandle.scala:109)
at scala.util.Using$.resource(Using.scala:269)
at com.databricks.unity.HandleImpl.runWithAndClose(UCSHandle.scala:108)
at com.databricks.pipelines.execution.core.BaseUCContext.runWithNewUCS(BaseUCContext.scala:1459)
at com.databricks.pipelines.execution.core.UCContextCompanion$OptionUCContextHelper.runWithNewUCSIfAvailable(BaseUCContext.scala:3165)
at com.databricks.pipelines.execution.core.UpdateExecution.start(UpdateExecution.scala:239)
at com.databricks.pipelines.execution.service.ExecutionBackend$$anon$2.$anonfun$run$2(ExecutionBackend.scala:821)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at com.databricks.pipelines.execution.core.CommandContextUtils$.withCommandContext(CommandContextUtils.scala:99)
at com.databricks.pipelines.execution.service.ExecutionBackend$$anon$2.run(ExecutionBackend.scala:816)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.apache.spark.util.threads.SparkThreadLocalCapturingRunnable.$anonfun$run$1(SparkThreadLocalForwardingThreadPoolExecutor.scala:157)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at com.databricks.spark.util.IdentityClaim$.withClaim(IdentityClaim.scala:48)
at org.apache.spark.util.threads.SparkThreadLocalCapturingHelper.$anonfun$runWithCaptured$4(SparkThreadLocalForwardingThreadPoolExecutor.scala:113)
at com.databricks.unity.UCSEphemeralState$Handle.runWith(UCSEphemeralState.scala:51)
at org.apache.spark.util.threads.SparkThreadLocalCapturingHelper.runWithCaptured(SparkThreadLocalForwardingThreadPoolExecutor.scala:112)
at org.apache.spark.util.threads.SparkThreadLocalCapturingHelper.runWithCaptured$(SparkThreadLocalForwardingThreadPoolExecutor.scala:89)
at org.apache.spark.util.threads.SparkThreadLocalCapturingRunnable.runWithCaptured(SparkThreadLocalForwardingThreadPoolExecutor.scala:154)
at org.apache.spark.util.threads.SparkThreadLocalCapturingRunnable.run(SparkThreadLocalForwardingThreadPoolExecutor.scala:157)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)

How can I specify path while creating tables in DLT? Is there any approach which I could take here?

5 REPLIES 5

Rjdudley
Valued Contributor II

I think you need to create an external volume to the file location, and then use the volume path to access the files directly.  https://docs.databricks.com/en/volumes/managed-vs-external.html

ankitmit
New Contributor III

HI @Rjdudley ,
Thanks for the suggestion, let me try this and see if it resolves my issue.

Lakshay
Databricks Employee
Databricks Employee

The DLT pipeline needs to be configured to write the result to a delta table rather than a specific path. 

ankitmit
New Contributor III

Hi Lakshay,

Could you please provide an example or any link where it's explained.
As I tried creating a delta table and use that in my DLT pipeline, but it didn't work, it gave an error that this table already exists.


joma
New Contributor

tengo un inconveniente igual. no me gusta guardar con un nombre aleatorio dentro de __unitystorage java.lang.IllegalArgumentException: Cannot specify an explicit path for a table when using Unity Catalog. Remove the explicit path:

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