pyspark.sql.Catalog.clearCache¶

Catalog.clearCache() → None[source]¶

Removes all cached tables from the in-memory cache.

New in version 2.0.0.

Examples

>>> _ = spark.sql("DROP TABLE IF EXISTS tbl1")
>>> _ = spark.sql("CREATE TABLE tbl1 (name STRING, age INT) USING parquet")
>>> spark.catalog.clearCache()
>>> spark.catalog.isCached("tbl1")
False
>>> _ = spark.sql("DROP TABLE tbl1")

pyspark.sql.Catalog.cacheTable pyspark.sql.Catalog.createExternalTable