Github user liancheng commented on a diff in the pull request: https://github.com/apache/spark/pull/12222#discussion_r60923039 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala --- @@ -427,13 +427,18 @@ class SessionCatalog( } /** - * List all partitions in a table, assuming it exists. - * If no database is specified, assume the table is in the current database. + * List the metadata of all partitions that belong to the specified table, assuming it exists. + * + * A partial partition spec may optionally be provided to filter the partitions returned. + * For instance, if there exist partitions (a='1', b='2'), (a='1', b='3') and (a='2', b='4'), + * then a partial spec of (a='1') will return the first two only. --- End diff -- Same as above.
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