With primary keys, you determine which node stores the data and how it partitions it. We can either handle it on our side or I can always fill a bug/question to Hive about whether it is a bug or a feature. first_value (x) → [same as input]# . 303-378-0593 that many number of buckets. Presto At LINE Presto Conference Tokyo 2019 2019/07/11 Wataru Yukawa & Yuya Ebihara Fair enough. sub-standard solution. We’ll occasionally send you account related emails. With 50% beam overlap, we have to process one file within 26 seconds on average in order to process the data in realtime. Can you try to reproduce it with a new table and give us the exact Hive commands to do so? I get errors when i try to use these properties: It looks not a good idea to switch us to teradata. So we would seem to be at an impasse. Query 20171023_063934_00016_bqi4f failed: Hive table is corrupt. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. On local environment, use spanner‘s docker emulator to create development tools. TBLPROPERTIES ("transactional"="true") I want to know how to scan latest(max numeric) partition data accurately. disk input/output. Already on GitHub? @rabinnh Agreed. If your table has defined partitions, the partitions might not yet be loaded into the AWS Glue Data Catalog or the internal Athena data catalog. For me there are no bug in HIVE or Presto. Tez. I thought I’d be a helpful DBA and suggested he do a CTAS of the one partition, make the change and we’d exchange the partition. The only workaround is to calculate the derived column using a join with a lookup table which maps the original column to derived column and then do grouping set on the derived column. http://docs.aws.amazon.com/ElasticMapReduce/latest/DeveloperGuide/query-impala-generate-data.html, https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DML#LanguageManualDML-DynamicPartitionInserts. And yes, this tables i readable from Hive: It still looks for me like a missing feature/bug in presto in handling dynamically created partitions in hive. at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:155) hive.empty-bucketed-partitions.enabled=true. If use minikube, run its docker in kubernetes environment, can start its container. ... HIVE_PARTITION_SCHEMA_MISMATCH. Hive is forgiving your mistake and allowing the query to run while presto is not. privacy statement. 2) Configuration property 'hive.multi-file-bucketing.enabled=true' was not used PARTITIONED BY(year string,month string,day string) Similarly by default empty partitions (partitions with no files) are not allowed for clustered Hive tables. at io.airlift.bootstrap.Bootstrap.initialize(Bootstrap.java:242) Usage Note 61598: The "[Presto] (1060)...mismatched input" error occurs when you use SAS/ACCESS® Interface to ODBC to connect to Presto databases in Unicode SAS® at com.facebook.presto.connector.ConnectorManager.createConnection(ConnectorManager.java:185) 2) Configuration property 'hive.multi-file-bucketing.enabled=true' was not used ... mismatched input '<' expecting {')', ','}(line 1, pos 42) Attachments. The The queries work fine in Hive, but when we try to access it in Presto, it errors out saying the "hive table is corrupt". The syntax of this command is as follows. Facing the same issue. Here's what I tell if it will continue to be supported, since it is deprecated. - AFAIK, there is no way to force Hive with the Tez engine (and mr is I can reproduce your bug when creating data in HIVE BUT removing the HIVE_DEFAULT_PARTITION dir manualy in HDFS. To enable support for empty paritions you can use: use these properties: Sign in Check out the release notes for more details -, On Mon, Apr 2, 2018 at 8:11 AM, rabinnh ***@***. Or am I doing something wrong? That's all. Following are the properties they added to make presto work. The files were created by Hive, this might happen (and i think hive create table ï¼ The text was updated successfully, but these errors were encountered: I don't know the specification, if that's indeed incorrect situation (missing NULL partition directory, even if its empty). In … Thank you. Teradata folks tried to fix such conditions in the past I believe. production because we can't chance that any particular hour will result in The properties you mentioned, do they exist today? If the number of … Presto will still validate if number of file groups matches number of buckets declared for table and fail if it does not. Is this a known issue? You signed in with another tab or window. privacy statement. I think HIVE should not ignore the pb. doesn't have a full complement of buckets, a Presto query will fail. this is my architecture. would really help, in fact we used them when we first looked into upgrading presto. Something strange is going on. - There is no way to force Presto to continue when not all the buckets Is this the case? https://issues.apache.org/jira/browse/HIVE-13040?focusedCommentId=15159223&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15159223, "Insert into" query will create additional files for each execution. Ex: We might get just one record for a day (in Partition is created once first value for this partition is found. at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:107) We are looking at ways to improve this so we can be compatible when possible. 1) Configuration property 'hive.empty-bucketed-partitions.enabled=true' was not used ALTER TABLE DROP PARTITION should support comparators. Compound primary key. What happens when you query it in Hive? : I have 32 bucket in ddl, and an insert produces below data files: We use AWS EMR, so it doesn't help us, but interesting. Weâll occasionally send you account related emails. <, -- I think Presto should at least fallback to non-bucket execution if it can't handle variable number of files per bucket yet. Hive is forgiving your mistake and allowing the query to run while presto is not.