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feat(plugin-hive): Session property to control file size for presto writer #27054

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feat(plugin-hive): Session property to control file size for presto writer #27054

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12 changes: 12 additions & 0 deletions presto-docs/src/main/sphinx/connector/hive.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,18 @@ Property Name Description

.. _constructor: https://github.com/apache/hadoop/blob/02a9190af5f8264e25966a80c8f9ea9bb6677899/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java#L844-L875

Hive Session Properties
-----------------------

======================================================== ============================================================ ============
Property Name Description Default
======================================================== ============================================================ ============
``native_max_target_file_size`` Native Execution only. Maximum target file size. When a ``0B``
file exceeds this size during writing, the writer will
close the current file and start writing to a new file.
Zero means no limit.
======================================================== ============================================================ ============

Avro Configuration Properties
-----------------------------

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9 changes: 8 additions & 1 deletion presto-hive/src/main/java/com/facebook/presto/hive/HiveSessionProperties.java
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Expand Up @@ -139,6 +139,8 @@ public final class HiveSessionProperties

public static final String NATIVE_STATS_BASED_FILTER_REORDER_DISABLED = "native_stats_based_filter_reorder_disabled";

public static final String NATIVE_MAX_TARGET_FILE_SIZE = "native_max_target_file_size";

private final List<PropertyMetadata<?>> sessionProperties;

@Inject
Expand Down Expand Up @@ -676,7 +678,12 @@ public HiveSessionProperties(HiveClientConfig hiveClientConfig, OrcFileWriterCon
NATIVE_STATS_BASED_FILTER_REORDER_DISABLED,
"Native Execution only. Disable stats based filter reordering.",
false,
true));
true),
dataSizeSessionProperty(
NATIVE_MAX_TARGET_FILE_SIZE,
"Native Execution only. Maximum target file size. When a file exceeds this size during writing, the writer will close the current file and start writing to a new file. Zero means no limit.",
new DataSize(0, DataSize.Unit.BYTE),
false));
}

public List<PropertyMetadata<?>> getSessionProperties()
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