Reply. Log In. Fix Version/s: Impala 2.0. XML Word Printable JSON. You include comparison operators other than = in the PARTITION clause, and the COMPUTE INCREMENTAL STATS statement applies to all partitions that match the comparison expression. Impala 2.0 Update #impalajp 1. The following statement provides that info: show partitions database.table; However that doesn't make the returned dataset queryable. IMPALA; IMPALA-1330; SHOW PARTITIONS doesn't return information on partition ids from HiveServer2. Type: Sub-task Status: Resolved. Real-time Query for Hadoop; mirror of Apache Impala - cloudera/Impala hive cloudera hiveql cloudera-cdh impala. But there are some differences between Hive and Impala – SQL war in the Hadoop Ecosystem. ImpalaTable.compute_stats ([incremental]) Invoke Impala COMPUTE STATS command to compute column, table, and partition statistics. I tried to find in impala doc if there is something like show latest partition tableName; as show partitions tableName but no luck on that. SHOW PARTITIONS elevationP; is run, the dropped partition is still being displayed. After that, I have some Streaming Analytics to perform with Apache Flink SQL, and I also want permanent fast storage in Apache Kudu queried with Apache Impala. Can someone please help me how to solve this issue. 1 Impala 2.0 Update Sho Shimauchi, Cloudera 2014/10/31 2. Now my requirement is i want all the tables which will have cust in its name and table should not have quarter2. Blocked on https://issues.apache.org/jira/browse/KUDU-1153. Example. I've verifified that the impala user is on the facl lists for these areas. Export. So, in this article, “Impala vs Hive” we will compare Impala vs Hive performance on the basis of different features and discuss why Impala is faster than Hive, when to use Impala vs hive. That means 1500 partitions. OneCricketeer. show files in sample_table partition (j < 5); show files in sample_table partition (k = 3, l between 1 and 10); show files in sample_table partition (month like 'J%');]]> < note > This statement applies to tables and partitions stored on HDFS, or in the Amazon Simple Storage System (S3). ImpalaTable.column_stats Return results of SHOW COLUMN STATS as a pandas DataFrame. Prior to Impala 1.4.0, it was not possible to use the CREATE TABLE LIKE view_name syntax. Details. Does anyone know why it would not be finding the data? There are times when a query is way too complex. Specifying all the partition columns in a SQL statement is called static partitioning, because the statement affects a single predictable partition. Impala should support a SHOW PARTITIONS statement for Kudu tables. If there are no cache directives in place for that table or partition, the result set displays NOT CACHED. Hi, Problem: I'm using 2.0.1-cdh5 impala version and observed comparison error between hive and impala when I run show partitions command to a SHOW PARTITIONS: Displays information about each partition in a table. SHOW PARTITIONS elevationP; is run on Hive, the updated list of partitions is displayed. show tables in bank like '*cust*' It is returning the expected results like, which are the tables has a word cust in its name. A ... Impala also supports cloud storage options such as S3 and ADLS. The show tables statement in Impala is used to get the list of all the existing tables in the current database.. The partition can be one that Impala created and is already aware of, or a new partition … hadoop hive cloudera impala. SHOW PARTITIONS; SHOW TABLE EXTENDED; SHOW TBLPROPERTIES; SHOW FUNCTIONS; SHOW COLUMNS; SHOW CREATE TABLE; SHOW INDEXES; Semantic Differences in Impala Statements vs HiveQL. Component/s: None Labels: None. At that time using Impala WITH Clause, we can define aliases to complex parts and include them in the query. Priority: Major . ... For time-based data, split out the separate parts into their own columns, because Impala cannot partition based on a TIMESTAMP column. Dropping it the same way on Impala … INVALIDATE METADATA elevationP; when. Details. So, in this article, we will discuss the whole concept of Impala WITH Clause. Turn on suggestions . Impala does … I first run. To unsubscribe from this group and stop receiving emails from it, send an email to impala-user+unsubscribe@cloudera.org. Although, there is much more to learn about using Impala WITH Clause. YEAR=2017/MONTH=8/DAY=2), the data shows. If you want to get the list of tables in a particular database, first of all, change the context to the required database and get the list of tables in it using show tables statement as shown below. 1. IMPALA; IMPALA-1595; Add location to SHOW PARTITIONS and/or SHOW TABLE STATS. Description. The hive show partition results came back as expected. Queries do not need a FROM clause. 115k 12 12 gold badges 79 79 silver badges 165 165 bronze badges. Export. Hey Community, We are using a couple CDH clusters for our BI platform. In Impala 1.4 and later, there is a SHOW PARTITIONS statement that displays information about each partition in a table. Export MapReduce specific features of SORT BY, DISTRIBUTE BY, or CLUSTER BY are not exposed. It does not apply to views. share | improve this question | follow | edited Jan 23 '18 at 2:56. IMPALA; IMPALA-10283; IllegalStateException in applying incremental partition updates. asked Jan 22 '18 at 15:40. roh roh. Priority: Major . I tried using the show table stats command in impala, but I'm getting. Type: Bug Status: Resolved. Resolution: Fixed Affects Version/s: Impala 1.4.1. The following examples show how to make Impala aware of data added to a single partition, after data is loaded into a partition's data directory using some mechanism outside Impala, such as Hive or Spark. Static and Dynamic Partitioning Clauses . Badges; Users; Groups; Mismatched # of partitions between hive and impala; Sammy Yu. Syntax and usage notes for ALTER TABLE, COMPUTE STATS, and SHOW FILES. It is common to use daily, monthly, or yearly partitions. In Impala 1.4.0 and higher, you can create a table with the same column definitions as a view using the CREATE TABLE LIKE technique. XML Word Printable JSON. Static and Dynamic Partitioning Clauses. FAQ. Objective. Solved: So I was trying to partition my Impala table with the column 'file' which has 1500 distinct records. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. 1 ACCEPTED SOLUTION Accepted Solutions Highlighted. 2,509 Views 0 Kudos 1. IMPALA-4403 Implement SHOW RANGE PARTITIONS for Kudu tables; IMPALA-5373; Document SHOW RANGE PARTITIONS syntax. Different syntax and names for query hints. Support Questions Find answers, ask questions, and share your expertise cancel. Mixed in a little bit with new Kudu syntax for ALTER TABLE. The following examples show how to make Impala aware of data added to a single partition, after data is loaded into a partition's data directory using some mechanism outside Impala, such as Hive or Spark. A SQL statement is called static partitioning, because the statement affects a single predictable partition run the! Place for that table or partition, the dropped partition is still being displayed is example... Sql statement is called static partitioning, because the statement affects a single predictable partition convenient to! Or partition, the dropped partition is still being displayed cache directives in place for that table or,. 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