part_spec. Display partition-level partitioning information, partition storage parameters, and partition statistics generated by the DBMS_STATS package or the ANALYZE statement. Querying the INFORMATION_SCHEMA.PARTITIONS table. New parts are created only from the specified partition. This command drops the specified Hive partition only. new_table_name New name using which the table has to be renamed. ]table_name [PARTITION part_spec] part_spec: : (part_col_name1=val1, part_col_name2=val2, ) List the partitions of a table, filtering by given partition values. new_table_name ALTER TABLE table_name PARTITION partition_spec RENAME TO PARTITION partition_spec; Parameters old_table_name Name of an existing table. USER view is restricted to partitioning information for partitioned tables owned by the user. USER_TAB_PARTITIONS. Listing partitions is supported only for tables created using the Delta Lake format or … The system matches the corresponding partition. old_table_name RENAME TO [db_name.] db_name. ALTER TABLE [db_name.] ]table_name Drop Partition. In this way, IN PARTITION helps to reduce the load when the table is divided into many partitions, and you only need to update the data point-by-point. SHOW PARTITIONS [db_name. ALTER TABLE table_name DROP [IF EXISTS] PARTITION (part_spec, ...) Example: ALTER TABLE locationTable DROP PARTITION (country = 'US'); Insert OVERWRITE. What changes were proposed in this pull request? ]table_name [PARTITION(partition_spec)] How was this patch tested? The uses of SCHEMA and DATABASE are interchangeable – they mean the same thing. You get value 'partitioned' for 'Create_options' parameter in output. Supposedly if the table has large no of partitions in the order of 2800 or above and you wanted the API call to return all the partitions of the table in JSON format then you'll end up with the above error DBA_TAB_SUBPARTITIONS Name of the target table. Added test cases in HiveCommandSuite to verify execution and … Name of the database where the target table resides. Command Syntax: SHOW COLUMNS (FROM | IN) table_identifier [(FROM | IN) database] SHOW PARTITIONS [db_name. table_name. Using Show Table Status - to determine whether a table is partitioned; Syntax: show table status in db_name like table_name; Sample Output: Shows lots of information about table like Name, Engine, Version, Data Length etc. This PR adds Native execution of SHOW COLUMNS and SHOW PARTITION commands. ALL_TAB_PARTITIONS. The WITH DBPROPERTIES clause was added in Hive 0.7 ().MANAGEDLOCATION was added to database in Hive 4.0.0 ().LOCATION now refers to the default directory for external tables and MANAGEDLOCATION refers to the default directory for managed tables. I ran the query below and from the scheme and func names I can guess but would really like to see the ddl used to define the partition. db_name Name of the existing database. If there are multiple partition fields, all fields must be contained, but the corresponding values are optional. IN PARTITION specifies the partition to which the UPDATE or DELETE expressions are applied as a result of the ALTER TABLE query. DBA_TAB_PARTITIONS. CREATE DATABASE was added in Hive 0.6 ().. SHOW PARTITIONS [db_name. PARTITION p2 VALUES LESS THAN (2000) ENGINE = MyISAM, PARTITION p3 VALUES LESS THAN (2005) ENGINE = MyISAM) Using Show Table Status – to determine whether a table is partitioned; Syntax: show table status in db_name like table_name; Sample Output: Shows lots of information about table like Name, Engine, Version, Data Length etc. This command allows you to insert or load overwrite on a specific partition. Detailed partition information.
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