Jul 17, 2020 · For now we went with a manual route where we build hive 1.2.1 with the patch which enables glue catalog. Used the above hive distribution to build the aws-glue-catalog client for spark and used the same version of hive to build a distribution of spark 3.x. This new spark 3.x distribution we build works like a charm with the aws-glue-spark-client However, for some reason, the component is throwing a runtime exception. I then end up creating multiple tJDBCRow components , and assigning 1 sql statement to each. As you might imagine, this is not practical. Moreover, I cannot use the database/schema name in the SQL, as I get thrown a "Catalog namespace is not supported." exception.Table is not eligible for upgrade from Hive Metastore to Unity Catalog. Reason: In this article: BUCKETED_TABLE. DBFS_ROOT_LOCATION. HIVE_SERDE. NOT_EXTERNAL. UNSUPPORTED_DBFS_LOC. UNSUPPORTED_FILE_SCHEME.Unity Catalog is supported on clusters that run Databricks Runtime 11.3 LTS or above. Unity Catalog is supported by default on all SQL warehouse compute versions. Clusters running on earlier versions of Databricks Runtime do not provide support for all Unity Catalog GA features and functionality.To enable Unity Catalog when you create a workspace: As an account admin, log in to the account console. Click Workspaces. Click the Enable Unity Catalog toggle. Select the Metastore. On the confirmation dialog, click Enable. Complete the workspace creation configuration and click Save.create table if not exists map_table like position_map_view; While using this it is giving me operation not allowed errorSep 23, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. Solution. Do one of the following: Upgrade the Hive metastore to version 2.3.0. This also resolves problems due to any other Hive bug that is fixed in version 2.3.0. Import the following notebook to your workspace and follow the instructions to replace the datanucleus-rdbms JAR. This notebook is written to upgrade the metastore to version 2.1.1.Sep 28, 2021 · Closing as due to age, but also adding a solution here in case anyone faces similar problem. This should work from different notebooks as long as you define cosmosCatalog parameters as key/value pairs at cluster level instead of in the notebook (in Databricks Advanced Options, spark config), for example: Jun 30, 2020 · This is a known bug in Spark. The catalog rule should not be validating the namespace, the catalog should be. It works fine if you use an Iceberg catalog directly that doesn't wrap spark_catalog. We're considering a fix with table names like db.table__history, but it would be great if Spark fixed this bug. However, for some reason, the component is throwing a runtime exception. I then end up creating multiple tJDBCRow components , and assigning 1 sql statement to each. As you might imagine, this is not practical. Moreover, I cannot use the database/schema name in the SQL, as I get thrown a "Catalog namespace is not supported." exception.Related Question add prefix to spark rdd elements AnalysisException callUDF() inside withColumn() Spark DataFrame AnalysisException add parent name prefix to dataframe structtype fields add parent column name as prefix to avoid ambiguity add prefix or sufix in nifi tailFile processor AnalysisException when loading a PipelineModel with Spark 3 ...Catalog implementations are not required to maintain the existence of namespaces independent of objects in a namespace. For example, a function catalog that loads functions using reflection and uses Java packages as namespaces is not required to support the methods to create, alter, or drop a namespace. Implementations are allowed to discover ... Overview of Unity Catalog. Unity Catalog provides centralized access control, auditing, lineage, and data discovery capabilities across Azure Databricks workspaces. Define once, secure everywhere: Unity Catalog offers a single place to administer data access policies that apply across all workspaces. Standards-compliant security model: Unity ...Overview. Kudu has tight integration with Apache Impala, allowing you to use Impala to insert, query, update, and delete data from Kudu tablets using Impala’s SQL syntax, as an alternative to using the Kudu APIs to build a custom Kudu application. In addition, you can use JDBC or ODBC to connect existing or new applications written in any ...1 Answer. Sorted by: 2. To be able to store text in your language you have to use nchar or nvarchar data type, which support UNICODE. See: nchar and nvarchar (Transact-SQL) Do not forget to use proper collation. See: Collation and Unicode Support. So, a column name (varchar (50)) should be name (nvarchar (50)), then.Dec 14, 2022 · [0m18:33:42.551967 [debug] [Thread-1 (]: Databricks adapter: diagnostic-info: org.apache.hive.service.cli.HiveSQLException: Error running query: org.apache.spark.sql.AnalysisException: Catalog namespace is not supported. Nov 12, 2021 · I didn't find an easy way of getting CREATE TABLE LIKE to work, but I've got a workaround. On DBR in Databricks you should be able to use SHALLOW CLONE to do something similar: For example, a function catalog that loads functions using reflection and uses Java packages as namespaces is not required to support the methods to create, alter, or drop a namespace. Implementations are allowed to discover the existence of objects or namespaces without throwing NoSuchNamespaceException when no namespace is found. Sep 27, 2018 · AnalysisException: Operation not allowed: `CREATE TABLE LIKE` is not supported for Delta tables; 5. How to create a table in databricks from an existing table on SQL. 1. Nov 15, 2021 · the parser was not defined so I did the following: parser = argparse.ArgumentParser() args = parser.parse_args() An exception has occurred, use %tb to see the full traceback. SystemExit: 2 – Ahmed Abousari 1 Answer. df = spark.sql ("select * from happiness_tmp") df.createOrReplaceTempView ("happiness_perm") First you get your data into a dataframe, then you write the contents of the dataframe to a table in the catalog. You can then query the table. May 22, 2020 · I'm running EMR cluster with the 'AWS Glue Data Catalog as the Metastore for Hive' option enable. Connecting through a Spark Notebook working fine e.g spark.sql("show databases") spark.catalog.setCurrentDatabase(<databasename>) spark.sql... 1 Answer. df = spark.sql ("select * from happiness_tmp") df.createOrReplaceTempView ("happiness_perm") First you get your data into a dataframe, then you write the contents of the dataframe to a table in the catalog. You can then query the table. Oct 24, 2022 · The AttachDistributedSequence is a special extension used by Pandas on Spark to create a distributed index. Right now it's not supported on the Shared clusters enabled for Unity Catalog due the restricted set of operations enabled on such clusters. The workarounds are: Use single-user Unity Catalog enabled cluster. Querying with SQL 🔗. In Spark 3, tables use identifiers that include a catalog name. SELECT * FROM prod.db.table; -- catalog: prod, namespace: db, table: table. Metadata tables, like history and snapshots, can use the Iceberg table name as a namespace. For example, to read from the files metadata table for prod.db.table: Apr 10, 2023 · Apr 11, 2023, 1:41 PM. Hello veerabhadra reddy kovvuri , Welcome to the MS Q&A platform. It seems like you're experiencing an intermittent issue with dropping and recreating a Delta table in Azure Databricks. When you drop a managed Delta table, it should delete the table metadata and the data files. However, in your case, it appears that the ... Oct 4, 2019 · 4 Answers Sorted by: 45 I found AnalysisException defined in pyspark.sql.utils. https://spark.apache.org/docs/3.0.1/api/python/_modules/pyspark/sql/utils.html import pyspark.sql.utils try: spark.sql (query) print ("Query executed") except pyspark.sql.utils.AnalysisException: print ("Unable to process your query dude!!") Share Improve this answer This will be implemented the future versions using Spark 3.0. To create a Delta table, you must write out a DataFrame in Delta format. An example in Python being. df.write.format ("delta").save ("/some/data/path") Here's a link to the create table documentation for Python, Scala, and Java. Share. Improve this answer.Sep 13, 2019 · These global views live in the database with the name global_temp so i would recommend to reference the tables in your queries as global_temp.table_name.I am not sure if it solves your problem, but you can try it. A catalog is created and named by adding a property spark.sql.catalog.(catalog-name) with an implementation class for its value. Iceberg supplies two implementations: org.apache.iceberg.spark.SparkCatalog supports a Hive Metastore or a Hadoop warehouse as a catalogOct 24, 2022 · The AttachDistributedSequence is a special extension used by Pandas on Spark to create a distributed index. Right now it's not supported on the Shared clusters enabled for Unity Catalog due the restricted set of operations enabled on such clusters. The workarounds are: Use single-user Unity Catalog enabled cluster. Note: REPLACE TABLE AS SELECT is only supported with v2 tables. Apache Spark’s DataSourceV2 API for data source and catalog implementations. Spark DSv2 is an evolving API with different levels of support in Spark versions: As per my repro, it works well with Databricks Runtime 8.0 version. For more details, refer:Sep 5, 2023 · Unity Catalog does not manage the lifecycle and layout of the files in external volumes. When you drop an external volume, Unity Catalog does not delete the underlying data. See What is an external volume?. Tables. A table resides in the third layer of Unity Catalog’s three-level namespace. It contains rows of data. Sep 28, 2021 · Closing as due to age, but also adding a solution here in case anyone faces similar problem. This should work from different notebooks as long as you define cosmosCatalog parameters as key/value pairs at cluster level instead of in the notebook (in Databricks Advanced Options, spark config), for example: The ANALYZE TABLE command does not support views. CATALOG_OPERATION. Catalog <catalogName> does not support <operation>. COMBINATION_QUERY_RESULT_CLAUSES. Combination of ORDER BY/SORT BY/DISTRIBUTE BY/CLUSTER BY. COMMENT_NAMESPACE. Attach a comment to the namespace <namespace>. CREATE_TABLE_STAGING_LOCATION. Create a catalog table in a staging ...Exception in thread "main" org.apache.spark.sql.AnalysisException: Operation not allowed: ALTER TABLE RECOVER PARTITIONS only works on table with location provided: `db`.`resultTable`; Note: Altough the error, it created a table with the correct columns. It also created partitions and the table has a location with Parquet files in it (/user ...May 19, 2023 · AnalysisException: [UC_COMMAND_NOT_SUPPORTED] Spark higher-order functions are not supported in Unity Catalog.; I'm using a shared cluster with 12.2 LTS Databricks Runtime and unity catalog is enabled. Aug 10, 2023 · To enable Unity Catalog when you create a workspace: As an account admin, log in to the account console. Click Workspaces. Click the Enable Unity Catalog toggle. Select the Metastore. On the confirmation dialog, click Enable. Complete the workspace creation configuration and click Save. Unity Catalog is supported on clusters that run Databricks Runtime 11.3 LTS or above. Unity Catalog is supported by default on all SQL warehouse compute versions. Clusters running on earlier versions of Databricks Runtime do not provide support for all Unity Catalog GA features and functionality.Dec 14, 2022 · [0m18:33:42.551967 [debug] [Thread-1 (]: Databricks adapter: diagnostic-info: org.apache.hive.service.cli.HiveSQLException: Error running query: org.apache.spark.sql.AnalysisException: Catalog namespace is not supported. Drop a table in the catalog and completely remove its data by skipping a trash even if it is supported. If the catalog supports views and contains a view for the identifier and not a table, this must not drop the view and must return false. If the catalog supports to purge a table, this method should be overridden.May 16, 2022 · Solution. Do one of the following: Upgrade the Hive metastore to version 2.3.0. This also resolves problems due to any other Hive bug that is fixed in version 2.3.0. Import the following notebook to your workspace and follow the instructions to replace the datanucleus-rdbms JAR. This notebook is written to upgrade the metastore to version 2.1.1. Aug 16, 2022 · com.databricks.backend.common.rpc.DatabricksExceptions$SQLExecutionException: org.apache.spark.sql.AnalysisException: Catalog namespace is not supported. at com.databricks.sql.managedcatalog.ManagedCatalogErrors$.catalogNamespaceNotSupportException (ManagedCatalogErrors.scala:40) If the catalog supports views and contains a view for the old identifier and not a table, this throws NoSuchTableException. Additionally, if the new identifier is a table or a view, this throws TableAlreadyExistsException. If the catalog does not support table renames between namespaces, it throws UnsupportedOperationException.Jul 21, 2023 · CREATE CATALOG [ IF NOT EXISTS ] <catalog-name> [ MANAGED LOCATION '<location-path>' ] [ COMMENT <comment> ]; For example, to create a catalog named example: CREATE CATALOG IF NOT EXISTS example; Assign privileges to the catalog. See Unity Catalog privileges and securable objects. Python. Run the following SQL command in a notebook. Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsAug 16, 2013 · could not understand if this is a json or xml service. for json - might want to use web api or just send raw json. for xml - you could use .net 2 web services by using "add web reference" instead of "add service reference" – In the Data pane, on the left, click the catalog name. The main Data Explorer pane defaults to the Catalogs list. You can also select the catalog there. On the Workspaces tab, clear the All workspaces have access checkbox. Click Assign to workspaces and enter or find the workspace you want to assign.Nov 12, 2021 · I didn't find an easy way of getting CREATE TABLE LIKE to work, but I've got a workaround. On DBR in Databricks you should be able to use SHALLOW CLONE to do something similar: AnalysisException: UDF/UDAF/SQL functions is not supported in Unity Catalog; But in Single User mode above code works correctly. Labels: Labels: DBR10.4;One of the most important pieces of Spark SQL’s Hive support is interaction with Hive metastore, which enables Spark SQL to access metadata of Hive tables. Starting from Spark 1.4.0, a single binary build of Spark SQL can be used to query different versions of Hive metastores, using the configuration described below.Aug 18, 2022 · Get Started With Databricks. Get Started Discussions. Get Started Resources. Databricks Platform. Databricks Platform Discussions. Warehousing & Analytics. Administration & Architecture. Community Cove. Community News & Member Recognition. I've noticed sometimes in Zeppelin, it doesnt create the hive context correctly, so what you can do to make sure you're doing it correctly is run the following code. val sqlContext = New HiveContext (sc) //your code here. What will happen is we'll create a new HiveContext, and it should fix your problem. I think we're losing the pointer to your ...Apr 1, 2019 · EDIT: as a first step, if you just wanted to check which columns have whitespace, you could use something like the following: space_cols = [column for column in df.columns if re.findall ('\s*', column) != []] Also, check whether there are any characters that are non-alphanumeric (or space): Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.Catalog implementations are not required to maintain the existence of namespaces independent of objects in a namespace. For example, a function catalog that loads functions using reflection and uses Java packages as namespaces is not required to support the methods to create, alter, or drop a namespace. Implementations are allowed to discover ...Sep 15, 2018 · But Hive databases like FOODMART are not visible in spark session. I did spark.sql("show databases").show() ; it is not showing Foodmart database, though spark session is having enableHiveSupport. Below i've tried: Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsSolution. Do one of the following: Upgrade the Hive metastore to version 2.3.0. This also resolves problems due to any other Hive bug that is fixed in version 2.3.0. Import the following notebook to your workspace and follow the instructions to replace the datanucleus-rdbms JAR. This notebook is written to upgrade the metastore to version 2.1.1.To enable Unity Catalog when you create a workspace: As an account admin, log in to the account console. Click Workspaces. Click the Enable Unity Catalog toggle. Select the Metastore. On the confirmation dialog, click Enable. Complete the workspace creation configuration and click Save.org.apache.spark.sql.AnalysisException: It is not allowed to add database prefix `global_temp` for the TEMPORARY view name.; at org.apache.spark.sql.execution.command.CreateViewCommand.<init> (views.scala:122) I tried to refer table with appending " global_temp. " but throws same above error i.eApr 1, 2019 · EDIT: as a first step, if you just wanted to check which columns have whitespace, you could use something like the following: space_cols = [column for column in df.columns if re.findall ('\s*', column) != []] Also, check whether there are any characters that are non-alphanumeric (or space): Catalog implementations are not required to maintain the existence of namespaces independent of objects in a namespace. For example, a function catalog that loads functions using reflection and uses Java packages as namespaces is not required to support the methods to create, alter, or drop a namespace. Implementations are allowed to discover ...Aug 30, 2023 · The ANALYZE TABLE command does not support views. CATALOG_OPERATION. Catalog <catalogName> does not support <operation>. COMBINATION_QUERY_RESULT_CLAUSES. Combination of ORDER BY/SORT BY/DISTRIBUTE BY/CLUSTER BY. COMMENT_NAMESPACE. Attach a comment to the namespace <namespace>. CREATE_TABLE_STAGING_LOCATION. Create a catalog table in a staging ... Most probably /delta/events/ directory has some data from the previous run, and this data might have a different schema than the current one, so while loading new data to the same directory you will get such type of exception.Syntax { USE | SET } CATALOG [ catalog_name | ' catalog_name ' ] Parameter catalog_name Name of the catalog to use. If the catalog does not exist, an exception is thrown. Examples SQLHi @Kaniz, Seems like DLT dotn talk to unity catolog currently. So , we are thinking either develop while warehouse at DLT or catalog. But I guess DLT dont have data lineage option and catolog dont have change data feed ( cdc - change data capture ) .For example, a function catalog that loads functions using reflection and uses Java packages as namespaces is not required to support the methods to create, alter, or drop a namespace. Implementations are allowed to discover the existence of objects or namespaces without throwing NoSuchNamespaceException when no namespace is found. I've noticed sometimes in Zeppelin, it doesnt create the hive context correctly, so what you can do to make sure you're doing it correctly is run the following code. val sqlContext = New HiveContext (sc) //your code here. What will happen is we'll create a new HiveContext, and it should fix your problem. I think we're losing the pointer to your ...Azure Synapse Lake Database - Notebook cannot access information_schema. In Synapse Analytics I can write the following SQL script and it works fine: And it throws the error: Error: spark_catalog requires a single-part namespace, but got [dataverse_blob_blob, information_schema] Tried using USE CATALOG and USE SCHEMA to set the catalog/schema ...Sep 5, 2023 · Unity Catalog does not manage the lifecycle and layout of the files in external volumes. When you drop an external volume, Unity Catalog does not delete the underlying data. See What is an external volume?. Tables. A table resides in the third layer of Unity Catalog’s three-level namespace. It contains rows of data. Nov 8, 2022 · Hi @Kaniz, Seems like DLT dotn talk to unity catolog currently. So , we are thinking either develop while warehouse at DLT or catalog. But I guess DLT dont have data lineage option and catolog dont have change data feed ( cdc - change data capture ) . Overview of Unity Catalog. Unity Catalog provides centralized access control, auditing, lineage, and data discovery capabilities across Azure Databricks workspaces. Define once, secure everywhere: Unity Catalog offers a single place to administer data access policies that apply across all workspaces. Standards-compliant security model: Unity ...Dec 31, 2019 · This will be implemented the future versions using Spark 3.0. To create a Delta table, you must write out a DataFrame in Delta format. An example in Python being. df.write.format ("delta").save ("/some/data/path") Here's a link to the create table documentation for Python, Scala, and Java. Share. Improve this answer. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.I've noticed sometimes in Zeppelin, it doesnt create the hive context correctly, so what you can do to make sure you're doing it correctly is run the following code. val sqlContext = New HiveContext (sc) //your code here. What will happen is we'll create a new HiveContext, and it should fix your problem. I think we're losing the pointer to your ...User class threw exception: org.apache.spark.sql.AnalysisException: java.lang.RuntimeException: java.io.IOException: Unable to create directory /tmp/hive/. We run Spark 2.3.2 on Hadoop 3.1.1. We use external ORC tables stored on HDFS. We are encountering an issue on a job run under CRON when issuing the command `sql ("msck repair table db.some ...Drop a table in the catalog and completely remove its data by skipping a trash even if it is supported. If the catalog supports views and contains a view for the identifier and not a table, this must not drop the view and must return false. If the catalog supports to purge a table, this method should be overridden. I have used catalog name as my_catalog , database I have created with name db and table name I have given is sampletable , though when I run the job it fails with below error: AnalysisException: The namespace in session catalog must have exactly one name part: my_catalog.db.sampletableThis will be implemented the future versions using Spark 3.0. To create a Delta table, you must write out a DataFrame in Delta format. An example in Python being. df.write.format ("delta").save ("/some/data/path") Here's a link to the create table documentation for Python, Scala, and Java. Share. Improve this answer.4 Answers Sorted by: 45 I found AnalysisException defined in pyspark.sql.utils. https://spark.apache.org/docs/3.0.1/api/python/_modules/pyspark/sql/utils.html import pyspark.sql.utils try: spark.sql (query) print ("Query executed") except pyspark.sql.utils.AnalysisException: print ("Unable to process your query dude!!") Share Improve this answerTHANK YOU! This is the answer that keeps on giving. I am using Vectornator to create my SVG files and it outputs a lot of vectornator:layerName So, I went through and every time I found a colon that wasn't in a URL, but was naming something, I changed it to camelCase (like vectornatorLayerName) and the SVG works now!
4 Answers Sorted by: 45 I found AnalysisException defined in pyspark.sql.utils. https://spark.apache.org/docs/3.0.1/api/python/_modules/pyspark/sql/utils.html import pyspark.sql.utils try: spark.sql (query) print ("Query executed") except pyspark.sql.utils.AnalysisException: print ("Unable to process your query dude!!") Share Improve this answer. Sex e doll
Oct 16, 2020 · I'm trying to load parquet file stored in hdfs. This is my schema: name type ----- ID BIGINT point SMALLINT check TINYINT What i want to execute is: df = sqlContext.read.parquet... We are using Spark-sql and Parquet data-format. Avro is used as the schema format. We are trying to use “aliases” on field names and are running into issues while trying to use alias-name in SELECT. Sample schema, where each field has both a name and a alias: { "namespace": "com.test.profile", ...EDIT: as a first step, if you just wanted to check which columns have whitespace, you could use something like the following: space_cols = [column for column in df.columns if re.findall ('\s*', column) != []] Also, check whether there are any characters that are non-alphanumeric (or space):Resolved! Importing irregularly formatted json files. HiI'm importing a large collection of json files, the problem is that they are not what I would expect a well-formatted json file to be (although probably still valid), each file consists of only a single record that looks something like this (this i...But Hive databases like FOODMART are not visible in spark session. I did spark.sql("show databases").show() ; it is not showing Foodmart database, though spark session is having enableHiveSupport. Below i've tried:Creating table in Unity Catalog with file scheme <schemeName> is not supported. Instead, please create a federated data source connection using the CREATE CONNECTION command for the same table provider, then create a catalog based on the connection with a CREATE FOREIGN CATALOG command to reference the tables therein.Aug 29, 2023 · Table is not eligible for upgrade from Hive Metastore to Unity Catalog. Reason: In this article: BUCKETED_TABLE. DBFS_ROOT_LOCATION. HIVE_SERDE. NOT_EXTERNAL. UNSUPPORTED_DBFS_LOC. UNSUPPORTED_FILE_SCHEME. AnalysisException: [UC_COMMAND_NOT_SUPPORTED] Spark higher-order functions are not supported in Unity Catalog.; I'm using a shared cluster with 12.2 LTS Databricks Runtime and unity catalog is enabled.Mar 23, 2021 · User class threw exception: org.apache.spark.sql.AnalysisException: java.lang.RuntimeException: java.io.IOException: Unable to create directory /tmp/hive/. We run Spark 2.3.2 on Hadoop 3.1.1. We use external ORC tables stored on HDFS. We are encountering an issue on a job run under CRON when issuing the command `sql ("msck repair table db.some ... To enable Unity Catalog when you create a workspace: As an account admin, log in to the account console. Click Workspaces. Click the Enable Unity Catalog toggle. Select the Metastore. On the confirmation dialog, click Enable. Complete the workspace creation configuration and click Save.Apr 22, 2020 · 1 Answer. I tried, pls refer to below SQL - this will work in impala. Only issue i can see is, if hearing_evaluation has multiple patient ids for a given patient id, you need to de-duplicate the data. There can be case when patient id doesnt exist in image table - in such case you need to apply RIGHT JOIN. See full list on learn.microsoft.com Drop a table in the catalog and completely remove its data by skipping a trash even if it is supported. If the catalog supports views and contains a view for the identifier and not a table, this must not drop the view and must return false. If the catalog supports to purge a table, this method should be overridden. I'm still not understanding how one would reference a table that requires a database or schema qualifier. This call to createOrReplaceTempView was supposed to replace registerTempTable however functionality changed in that we are no longer able to specify where in the database the table lives.1 Answer. df = spark.sql ("select * from happiness_tmp") df.createOrReplaceTempView ("happiness_perm") First you get your data into a dataframe, then you write the contents of the dataframe to a table in the catalog. You can then query the table.Sep 28, 2021 · Closing as due to age, but also adding a solution here in case anyone faces similar problem. This should work from different notebooks as long as you define cosmosCatalog parameters as key/value pairs at cluster level instead of in the notebook (in Databricks Advanced Options, spark config), for example: Not supported in Unity Catalog: ... NAMESPACE_NOT_EMPTY, NAMESPACE_NOT_FOUND, ... Operation not supported in READ ONLY session mode.Hi @Kaniz, Seems like DLT dotn talk to unity catolog currently. So , we are thinking either develop while warehouse at DLT or catalog. But I guess DLT dont have data lineage option and catolog dont have change data feed ( cdc - change data capture ) .Not supported in Unity Catalog: ... NAMESPACE_NOT_EMPTY, NAMESPACE_NOT_FOUND, ... Operation not supported in READ ONLY session mode.Mar 23, 2016 · 1 Answer. Sorted by: 2. To be able to store text in your language you have to use nchar or nvarchar data type, which support UNICODE. See: nchar and nvarchar (Transact-SQL) Do not forget to use proper collation. See: Collation and Unicode Support. So, a column name (varchar (50)) should be name (nvarchar (50)), then. User class threw exception: org.apache.spark.sql.AnalysisException: java.lang.RuntimeException: java.io.IOException: Unable to create directory /tmp/hive/. We run Spark 2.3.2 on Hadoop 3.1.1. We use external ORC tables stored on HDFS. We are encountering an issue on a job run under CRON when issuing the command `sql ("msck repair table db.some ....