Release 427 (26 Sep 2023)#
General#
Add support for comparing IPv4 and IPv6 addresses and CIDRs with contains. (#18497)
Improve performance of
GROUP BY
andDISTINCT
. (#19059)Reduce coordinator memory footprint when scannning tables. (#19009)
Fix failure due to exceeding node memory limits with
INSERT
statements. (#18771)Fix query hang for certain
LIKE
patterns involving a mix of%
and_
. (#19146)
Security#
Ensure authorization is checked when accessing table comments with table redirections. (#18514)
Delta Lake connector#
Add support for reading tables with Deletion Vectors. (#16903)
Add support for writing columns with the
timestamp(p)
type. (#16927)Reduce data read from Parquet files for queries with filters. (#19032)
Improve performance of writing to Parquet files. (#19122)
Fix error reading Delta Lake table history when the initial transaction logs have been removed. (#18845)
Elasticsearch connector#
Fix query failure when a
LIKE
clause contains multi-byte characters. (#18966)
Hive connector#
Add support for changing column comments when using the Glue catalog. (#19076)
Reduce data read from Parquet files for queries with filters. (#19032)
Improve performance of reading text files. (#18959)
Allow changing a column’s type from
double
tovarchar
in Hive tables. (#18930)Remove legacy Hive readers and writers. The
*_native_reader_enabled
and*_native_writer_enabled
session properties and*.native-reader.enabled
and*.native-writer.enabled
configuration properties are removed. (#18241)Remove support for S3 Select. The
s3_select_pushdown_enabled
session property and thehive.s3select*
configuration properties are removed. (#18241)Remove support for disabling optimized symlink listing. The
optimize_symlink_listing
session property andhive.optimize-symlink-listing
configuration property are removed. (#18241)Fix incompatibility with Hive OpenCSV deserialization. As a result, when the escape character is explicitly set to
"
, a\
(backslash) must be used instead. (#18918)Fix performance regression when reading CSV files on AWS S3. (#18976)
Fix failure when creating a table with a
varchar(0)
column. (#18811)
Hudi connector#
Iceberg connector#
Add support for usage of
date
andtimestamp
arguments inFOR TIMESTAMP AS OF
expressions. (#14214)Add support for using tags with
AS OF VERSION
queries. (#19111)Reduce data read from Parquet files for queries with filters. (#19032)
Improve performance of writing to Parquet files. (#19090)
Improve performance of reading tables with many equality delete files. (#17114)
Ignite connector#
Add support for
UPDATE
. (#16445)
MariaDB connector#
Add support for
UPDATE
. (#16445)
MongoDB connector#
Fix query failure when mapping MongoDB
Decimal128
values with leading zeros. (#19068)
MySQL connector#
Oracle connector#
PostgreSQL connector#
Add support for
UPDATE
. (#16445)
Redshift connector#
Add support for
UPDATE
. (#16445)
SingleStore connector#
Add support for
UPDATE
. (#16445)
SQL Server connector#
Add support for
UPDATE
. (#16445)
SPI#
Change
BlockBuilder
to no longer extendBlock
. (#18738)