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[SPARK-15820][PySpark][SQL]Add Catalog.refreshTable into python API #13558

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[SPARK-15820][PySpark][SQL]Add Catalog.refreshTable into python API #13558

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8d87c0f
update python sql interface refreshTable
WeichenXu123 Jun 7, 2016
87fcb7c
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WeichenXu123 Jun 16, 2016
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5 changes: 5 additions & 0 deletions python/pyspark/sql/catalog.py
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Expand Up @@ -232,6 +232,11 @@ def clearCache(self):
"""Removes all cached tables from the in-memory cache."""
self._jcatalog.clearCache()

@since(2.0)
def refreshTable(self, tableName):
"""Invalidate and refresh all the cached metadata of the given table."""
self._jcatalog.refreshTable(tableName)

def _reset(self):
"""(Internal use only) Drop all existing databases (except "default"), tables,
partitions and functions, and set the current database to "default".
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2 changes: 1 addition & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/catalog/Catalog.scala
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Expand Up @@ -214,7 +214,7 @@ abstract class Catalog {
def clearCache(): Unit

/**
* Invalidate and refresh all the cached the metadata of the given table. For performance reasons,
* Invalidate and refresh all the cached metadata of the given table. For performance reasons,
* Spark SQL or the external data source library it uses might cache certain metadata about a
* table, such as the location of blocks. When those change outside of Spark SQL, users should
* call this function to invalidate the cache.
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