Impala show create view
WitrynaCREATE VIEW db2.v1 AS SELECT * FROM db2.foo; -- Switch into the other database and drop the view. USE db2; DROP VIEW v1; USE db1; -- Create a view in a different database. CREATE VIEW db2.v1 AS SELECT * FROM db2.foo; -- Drop a view in the other database. DROP VIEW db2.v1; Related information: WitrynaIn 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. Although CREATE TABLE LIKE …
Impala show create view
Did you know?
WitrynaThe SHOW CREATE VIEW, it returns a CREATE VIEW statement with column names and the original SQL statement to reproduce the view. You need the VIEW_METADATA privilege on the view and SELECT privilege on all underlying … Witryna13 gru 2024 · I am troubleshooting an application issue on an External (unmanaged) Table that was created using the CREATE TABLE X LIKE PARQUET syntax via Cloudera Impala. I am trying to determine the Location of the files comprising the partitions of the External table but having difficulty determining how to do this, or …
Witryna1 sie 2013 · I am using Impala 1.4.0 and I can see partitions. From the impala-shell give the command: show partitions I have something looking like this: WitrynaCREATE VIEW table_from_other_db AS SELECT x FROM db1.foo WHERE x IS NOT NULL; DROP VIEW table_from_other_db; USE db1; -- Create a view in a different …
Witryna3 lip 2014 · For a view, DESCRIBE EXTENDED or FORMATTED can be used to retrieve the view's definition. Two relevant attributes are provided: both the original view … Witryna28 lip 2024 · Go to Hue -> Metastore manager -> db.table -> property -> update comment. Reply. 10,103 Views. 0 Kudos. EricL. Guru. Created 08-02-2024 04:38 AM. ALTER TABLE test CHANGE {columname} {columnname} {datatype} comment 'test comment'; See below test case:
WitrynaObject ownership for tables, views and databases is enabled by default in Impala. To define owner specific privileges, go to Ranger UI and define appropriate policies on the {OWNER} user. The CREATE statements implicitly make the user running the statement the owner of the object.
Witryna19 lip 2024 · To be able to execute SHOW CREATE VIEW, you need access to the view as well as the underlying table(s). In your particular example, you need to have access to both "t" and "system9999.cases". This is because SHOW CREATE VIEW will reveal the information on the underlying table(s). Hence, the need to have access to the … list of brgy chairman in manilaWitryna16 wrz 2024 · To be able to execute SHOW CREATE VIEW, you need access to the view as well as the underlying table(s). In your particular example, you need to have … list of brewers seasonsWitrynaThe CREATE VIEW statement can be useful in scenarios such as the following: To turn even the most lengthy and complicated SQL query into a one-liner. You can issue … images of spring clip artWitryna6 kwi 2016 · 3. Impala can't create materialized views at this time. So the solution for better view performance would be to load the output of the view query into a table … images of spring farm jamaicaWitryna19 lip 2024 · To be able to execute SHOW CREATE VIEW, you need access to the view as well as the underlying table (s). In your particular example, you need to have … images of springfield saintWitryna[IMPALA-6676] - Impala Doc: SHOW CREATE VIEW [IMPALA-6677] - Impala Doc: Doc next_day function [IMPALA-6678] - Better estimate of per-column compressed data size for low-NDV columns. [IMPALA-6679] - Don't claim ideal reservation in scanner until actually processing scan ranges [IMPALA-6832] - Impala 3 ... list of brgy in antipoloWitryna26 mar 2024 · One solution was to create the view using Hive, like this create view some_data as select * from some_data_v01; But if I do this, when I want to use the table from Impala, select * from some_data; or even something simple, like select some_value_not_nested, struct_type.some_int, struct_type.some_other_int from … list of brgy in baguio city