prestodb · tdcmeehan · Jun 4, 2024 · May 30, 2024
@@ -30,7 +30,7 @@ ScyllaDB uses the same port as Cassandra by default.
 Just point to ScyllaDB nodes in ``cassandra.contact-points`` config property.
 
 Multiple Cassandra or ScyllaDB Clusters
-^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 You can have as many catalogs as you need, so if you have additional
 Cassandra(ScyllaDB) clusters, simply add another properties file to ``etc/catalog``
@@ -161,7 +161,7 @@ Property Name                                                 Description
 ============================================================= ======================================================================
 
 Querying Cassandra or ScyllaDB Tables
--------------------------
+-------------------------------------
 
 The ``users`` table is an example Cassandra table from the Cassandra
 `Getting Started`_ guide. It can be created along with the ``mykeyspace``

@@ -658,7 +658,7 @@ This query will collect statistics for 2 partitions with keys:
 * ``partition2_value1, partition2_value2``
 
 Quick Stats
---------------------------------------
+-----------
 
 The Hive connector can build basic statistics for partitions with missing statistics
 by examining file or table metadata. For example, Parquet footers can be used to infer
@@ -874,7 +874,7 @@ columns as a part of the query like any other columns of the table.
 * ``$file_modified_time`` : Last file modified time for the given row (int64_t), in milliseconds since January 1, 1970 UTC
 
 How to invalidate metastore cache?
----------------------------------
+----------------------------------
 
 The Hive connector exposes a procedure over JMX (``com.facebook.presto.hive.metastore.CachingHiveMetastore#flushCache``) to invalidate the metastore cache.
 You can call this procedure to invalidate the metastore cache by connecting via jconsole or jmxterm.

@@ -1,6 +1,6 @@
-====================
-Hudi connector
-====================
+==============
+Hudi Connector
+==============
 
 Overview
 --------

@@ -1,6 +1,6 @@
-===============
+=====================
 SingleStore Connector
-===============
+=====================
 
 The SingleStore connector allows querying and creating tables in an external
 SingleStore database. This can be used to join data between different
@@ -66,9 +66,9 @@ If you used a different name for your catalog properties file, use
 that catalog name instead of ``singlestore`` in the above examples.
 
 SingleStore Connector Limitations
----------------------------
+---------------------------------
 
-The following SQL statements are not yet supported:
+The following SQL statements are not supported:
 
 * :doc:`/sql/create-table` with ``rowstore`` table type (supports only ``columnstore`` table type, set by default `docs <https://docs.singlestore.com/cloud/reference/sql-reference/data-definition-language-ddl/create-table/>`_.)
 * :doc:`/sql/alter-schema`

@@ -25,7 +25,7 @@ connection properties as appropriate for your setup:
 
 
 Connection security
-------------------
+-------------------
 
 The JDBC driver and connector automatically use Transport Layer Security (TLS) encryption and certificate validation. This requires a suitable TLS certificate configured on your SQL Server database host.
 
@@ -75,7 +75,7 @@ if you name the property file ``sales.properties``, Presto will create a
 catalog named ``sales`` using the configured connector.
 
 General Configuration Properties
----------------------------------
+--------------------------------
 
 ================================================== ==================================================================== ===========
 Property Name                                      Description                                                          Default

@@ -1,6 +1,6 @@
-*****
+*********
 Ecosystem
-*****
+*********
 
 .. toctree::
     :maxdepth: 1

@@ -238,7 +238,7 @@ Example::
 
 
 Row comparison: NOT IN
-------------------
+----------------------
 
 The NOT IN comparison operator in SQL is used to exclude the rows that match any value in a list or subquery.
 

@@ -172,7 +172,7 @@ Mathematical Functions
     assumed to be in sorted ascending order.
 
 Probability Functions: cdf
------------------------
+--------------------------
 
 .. function:: beta_cdf(a, b, value) -> double
 
@@ -230,7 +230,7 @@ Probability Functions: cdf
 
 
 Probability Functions: inverse_cdf
------------------------
+----------------------------------
 
 .. function:: inverse_beta_cdf(a, b, p) -> double
 
@@ -297,7 +297,7 @@ Probability Functions: inverse_cdf
 
 
 Statistical Functions
------------------------
+---------------------
 
 .. function:: wilson_interval_lower(successes, trials, z) -> double
 

@@ -31,7 +31,7 @@ There are three types of Presto servers: resource manager, coordinators and work
 following section explains the difference between them.
 
 Resource Manager
-^^^^^^^^^^^
+^^^^^^^^^^^^^^^^
 
 The Presto resource manager is the server that aggregates
 data from all coordinators and workers and constructs a global view of the cluster.

@@ -32,8 +32,8 @@ Property Name                                Description
 ``hbo.redis-provider.cluster-mode-enabled``  Boolean property whether cluster mode is enabled
 ============================================ =====================================================================
 
-Coordinator Configuration for Historical Based Optimization:
-------------------------
+Coordinator Configuration for Historical Based Optimization
+-----------------------------------------------------------
 
 These properties must be configured on the Presto coordinator in ``etc/config.properties`` for tracking and using historical statistics in planning:
 
@@ -54,8 +54,8 @@ Credentials
 The plugin requires the Redis Server URI property ``hbo.redis-provider.server_uri`` to access Redis.
 Based on your custom Redis deployment, you may need to add additional credentials.
 
-Local Test setup
-------------------------
+Local Test Setup
+----------------
 
 1. Set up a local Redis cluster following the Redis documentation to `Create a Redis Cluster <https://redis.io/docs/management/scaling/#create-a-redis-cluster>`_.
 
@@ -74,7 +74,7 @@ Local Test setup
        hbo.redis-provider.server_uri=redis://localhost:7001/
 
 Production Setup
-------------------------
+----------------
 
 You can place the plugin JARs in the production's ``plugins`` directory.
 

@@ -3,5 +3,5 @@ Release 0.248.1
 ===============
 
 General Changes
-------------
+---------------
 * Revert incorrect optimization introduced in :pr:`14915`.
@@ -26,7 +26,7 @@ _______________
 * Add configuration property ``internal-communication.https.trust-store-password`` to set the Java Truststore password used for https in internal communications between nodes.
 
 Hive Connector Changes
-________________
+______________________
 * Add session property ``temporary_table_create_empty_bucket_files`` and configuration property ``hive.create-empty-bucket-files-for-temporary-table``, which, when set to ``false``, disables the creation of zero-row files for temporary table empty buckets, to improve performance.
 
 Verifier Changes

@@ -27,7 +27,7 @@ ____________
 * Add support for allowing to match columns between table and partition schemas by names for HUDI tables. This is enabled when configuration property ``hive.parquet.use-column-names`` or the hive catalog session property ``parquet_use_column_names`` is set to ``true``. By default they are mapped by index.
 
 Iceberg Changes
-_________________________
+_______________
 * Add support for ORC files.
 
 SPI Changes

@@ -38,7 +38,7 @@ ____________
 * Add column comment to metadata in JDBC based connector.
 
 Prometheus Changes
-____________
+__________________
 * Fix startup error by reducing the default value of configuration property ``prometheus.query-chunk-duration`` from ``1d`` to ``10m``.
 
 **Credits**

@@ -21,7 +21,7 @@ ____________
 * Add session property ``hive.metastore_headers`` to allow the users to set headers that will be used in metastore operations.
 
 Iceberg Changes
-____________
+_______________
 * Add support in Iceberg connector for a native mode that can be used without a Hive installation, to run queries against Iceberg  native catalogs.
 
 **Credits**

@@ -18,15 +18,15 @@ _______________
 * Add support for the following primitive types to Avro decoder: ``TINYINT``, ``SMALLINT``, ``INTEGER`` and ``REAL``.
 
 Hive Connector Changes
-____________
+______________________
 * Remove the configuration property ``hive.parquet.fail-on-corrupted-statistics`` and the session property ``parquet_fail_with_corrupted_statistics``.
 
 Iceberg Connector Changes
-_______________
+_________________________
 * Remove the configuration property ``iceberg.native-mode``. Use ``iceberg.catalog.type`` instead.
 
 Pinot Connector Changes
-_____________
+_______________________
 * Add support for Pinot ``TIMESTAMP`` and ``JSON`` types.
 * Add support for Pinot version 0.9.3.
 

@@ -16,8 +16,8 @@ _______________
     This can be enabled by setting the session property ``execution_policy`` to ``phased`` and the stage count limit can be configured by the session property ``max_stage_count_for_eager_scheduling``.
 * Add :func:`secure_random()` function to return a cryptographically secure random number.
 
-Hive Changes
-____________
+Hive Connector Changes
+______________________
 * Fix integer overflow exception in Parquet writer when writing files larger than ~2 GB.
 * Add ability to do streaming aggregation for Hive table scans to improve query performance with aggregation when group-by keys are the same as order-by keys.
     Cases where group-by keys are a subset of order-by keys can't enable streaming aggregation for now.
@@ -36,16 +36,16 @@ MongoDB Connector Changes
 _________________________
 * Fix the spelling of the write concern option ``JOURNAL_SAFE`` for the property ``mongodb.write-concern``.
 
-Iceberg Changes
-_______________
+Iceberg Connector Changes
+_________________________
 * Add support for concurrent insertion from the same Presto cluster or multiple Presto clusters which share the same Metastore.
 
-Pinot Changes
-_____________
+Pinot Connector Changes
+_______________________
 * Add support for querying Pinot ``JSON`` type.
 
 Lark Sheets Connector Changes
-_____________________
+_____________________________
 * Add Lark Sheets connector.
 
 **Credits**

@@ -38,13 +38,13 @@ ____________
 * Enable Hive splits for uncompressed inputs in S3 Select connector by leveraging the scan range feature of the service.
 
 Apache Hudi Changes
-____________
+___________________
 * Add the asynchronous split generation in Hudi connector to speed up the query execution and reduce overall query finishing time. ``hudi.max-outstanding-splits`` session property controls the maximum outstanding splits in a batch enqueued for processing.  ``hudi.split-generator-parallelism`` session property controls the number of threads to generate splits from partitions.
 * Upgrade Apache Hudi version to 0.12.1.
 
 
 Apache Iceberg Changes
-_______________
+______________________
 * Upgrade Apache Iceberg version from 1.1.0 to 1.2.0.
 
 JDBC Changes

@@ -28,11 +28,11 @@ ____________
 * Upgrade Alluxio version from 2.8.1 to 2.9.3.
 
 Apache Iceberg Changes
-____________
+______________________
 * Add parquet metadata caching in Apache Iceberg.
 
 Presto on Spark Changes
-____________
+_______________________
 * Add option to use ``selectAuthorizedIdentity`` API for Presto on Spark when ``permissions.authorized-identity-selection-enable`` set to ``true``.
 * Add an additional field  ``attemptNumber`` in ``TaskId`` which is used to capture task retries in Presto on Spark. For presto classic this field will be set to ``0`` by default.
 * Remove :doc:`/sql/create-function` and :doc:`/sql/drop-function` support from Presto on Spark.

@@ -34,12 +34,12 @@ _______________
 * Add ``noisy_count_if_gaussian(condition, noiseScale[, randomSeed])`` aggregation which calculates the number of ``TRUE`` input values, and then adds random Gaussian noise with 0 mean and standard deviation of ``noise_scale`` to the true count. Optional ``randomSeed`` is used to get a fixed value of noise, often for reproducibility purposes. If ``randomSeed`` is omitted, ``SecureRandom`` is used. If ``randomSeed`` is provided, ``Random`` is used.
 
 Hive Connector Changes
-____________
+______________________
 * Fix directory listing over directories with content-type ``application/octet-stream`` (:issue:`20310`).
 * Add DWRF filetype to min, max filtering for special column types such as tinyint, varbinary and timestamp.
 
 Iceberg Connector Changes
-_______________
+_________________________
 * Add Iceberg table location property in ``SHOW CREATE TABLE``.
 * Add validation for copy-on-write mode for Iceberg tables. This can be disabled with the ``merge_on_read_enabled`` session property or the ``iceberg.enable-merge-on-read-mode`` configuration property.
 * Add support for ``TRUNCATE TABLE <table>``.

@@ -65,7 +65,7 @@ ___________
 * Move `SortNode` to SPI module to be utilized in connector. :pr:`22497`
 
 Hive Connector Changes
-____________
+______________________
 * Fix a potential wrong results bug when footer stats are marked unreliable and partial aggregation pushdown is enabled.  Such queries will now fail with an error. :pr:`22011`
 * Improve the ``hive.orc.use-column-names`` configuration setting to no longer fail on reading ORC files without column names, but fall back to using Hive's schema. This change improves compatibility with legacy ORC files. :pr:`21391`
 * Add session property ``hive.dynamic_split_sizes_enabled`` to use dynamic split sizes based on data selected by query.  :pr:`22051`
@@ -74,7 +74,7 @@ ____________
 * Add system procedure ``system.invalidate_directory_list_cache()`` to invalidate directory list cache in Hive Catalog. :pr:`19821`
 
 Iceberg Connector Changes
-_______________
+_________________________
 * Upgrade Iceberg from 1.4.3 to 1.5.0. :pr:`21961`
 * Fix identity and truncate transforms on DecimalType columns. :pr:`21958`
 * Fix the bug that ``CAST`` from non-legacy timestamp to date rounding to future when the timestamp is prior than `1970-01-01 00:00:00.000`. :pr:`21959`
@@ -87,7 +87,7 @@ _______________
 * Add support for Iceberg concurrent insertions. :pr:`21250`
 
 MySQL Connector Changes
-_____________
+_______________________
 * Add support for timestamp column type. :pr:`21937`
 
 **Credits**
-Original file line number
+Diff line change
@@ Expand Up / @@ -238,7 +238,7 @@ Example:: @@
     Row comparison: NOT IN
-    ------------------
+    ----------------------
     The NOT IN comparison operator in SQL is used to exclude the rows that match any value in a list or subquery.
@@ Expand Down @@