REFRESH

Invalidates and refreshes all the cached data (and the associated metadata) for all Datasets that contains the given data source path. Path matching is by prefix, that is, / would invalidate everything that is cached.

Syntax 

REFRESH resource_path

Parameters

  • resource_path

    The path of the resource that is to be refreshed.

Examples 

-- The Path is resolved using the datasource's File Index.
CREATE TABLE test(ID INT) using parquet;
INSERT INTO test SELECT 1000;
CACHE TABLE test;
INSERT INTO test SELECT 100;
REFRESH "hdfs://path/to/table";