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CHANGES.txt
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CHANGES.txt
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====================================================
MySQL Connector/Python 8.0 - Release Notes & Changes
====================================================
MySQL Connector/Python
Copyright (c) 2009, 2024, Oracle and/or its affiliates.
Full release notes:
http://dev.mysql.com/doc/relnotes/connector-python/en/
v8.4.0
======
- WL#16203: GPL License Exception Update
- WL#16173: Update allowed cipher and cipher-suite lists
- WL#16164: Implement support for new vector data type
- WL#16127: Remove the FIDO authentication mechanism
- WL#16053: Support GSSAPI/Kerberos authentication on Windows using authentication_ldap_sasl_client plug-in for C-extension
- BUG#36227964: Improve OpenTelemetry span coverage
- BUG#36167880: Massive memory leak mysqlx native Protobuf adding to collection
v8.3.0
======
- WL#16015: Remove use of removed COM_ commands
- WL#15985: Support GSSAPI/Kerberos authentication on Windows using authentication_ldap_sasl_client plug-in for Pure Python
- WL#15983: Stop using mysql_ssl_set api
- WL#15982: Remove use of mysql_shutdown
- WL#15950: Support query parameters for prepared statements
- WL#15942: Improve type hints and standardize byte type handling
- WL#15836: Split mysql and mysqlx into different packages
- WL#15523: Support Python DB API asynchronous execution
- BUG#35912790: Binary strings are converted when using prepared statements
- BUG#35832148: Fix Django timezone.utc deprecation warning
- BUG#35710145: Bad MySQLCursor.statement and result when query text contains code comments
- BUG#21390859: STATEMENTS GET OUT OF SYNCH WITH RESULT SETS
v8.2.0
======
- WL#15664: Add support for Python 3.12
- WL#15623: Improve the authentication module
- WL#15218: Support WebAuthn authentication
- BUG#35755852: Django config raise_on_warnings is ignored without isolation_level
- BUG#35733608: Server stmt spans right after the cnx aren't related to the connector's cnx span
- BUG#35547876: C/Python 8.1.0 type check build fails in the pb2 branch
- BUG#35544123: Kerberos unit tests configuration is outdated
- BUG#35503506: Query on information_schema.columns returns bytes
- BUG#35503377: First connected to server v8, then any v5 connections fail with utf8mb4 charset
- BUG#35141645: Memory leak in the mysqlx C extension
v8.1.0
======
- WL#15749: Remove DMG and MSI support
- WL#15672: Upgrade Python Protobuf version to 4.21.12
- WL#15630: Remove Python 3.7 support
- WL#15629: Add OpenTelemetry tracing
- WL#15591: Improve the network module
- BUG#35425076: Fix deallocating None error
- BUG#35349093: Compression doesn't work with C extension API
- BUG#35338384: PIP installs incompatible Connector/Python packages
- BUG#35318413: Fix charset mapping for MySQL 8.1.0
- BUG#35278365: Fix UnicodeDecodeError with a long field name alias (c-ext)
- BUG#35212199: Check for identifier quotes in the database name
- BUG#35140271: Regex split hanging in cursor.execute(..., multi=True) for complex queries
- BUG#29115406: CONTRIBUTION - FIX RECV COMPRESS BUG
v8.0.33
=======
- WL#15528: Add docker build/test support for existing server
- WL#15483: Support OCI ephemeral key-based authentication
- WL#15435: Improve the logging system
- WL#15401: Support for type hints in module mysqlx
- BUG#35233031: Connector/Python should not default to mysql_native_password
- BUG#35015758: COM_QUIT should not be called in the connection phase
- BUG#34984850: Fix binary conversion with NO_BACKSLASH_ESCAPES mode
- BUG#31355895: Fix slow executemany() with insert statements
- BUG#30103652: Connector/Python ClientFlag SESION_TRACK is a misspelling
- BUG#27489972: Several COM_% commands have been deprecated
- BUG#27359063: Support for dictionary, named_tuple, and raw to prepared statements cursor
- BUG#21476351: Too small chunks when sending huge parameters with COM_STMT_SEND_LONG_DATA
v8.0.32
=======
- WL#15348: Support MIT Kerberos library on Windows
- WL#15036: Support for type hints
- WL#14861: Remove distutils support
- BUG#34773422: Connector/Python 8.0.31 installation fails if Python version is 3.11.0
- BUG#34727432: Fix Django datetime error when USE_TZ=True in settings
- BUG#34710366: Django implementation does not pass unit tests
- BUG#34695103: Remove debug messages that shows authentication data
- BUG#34690501: Connector/Python depends on outdated protobuf
- BUG#34689812: Fix datetime conversion when using prepared cursors
- BUG#34675508: Character set 'utf8' unsupported in python mysql connector when using MariaDB
- BUG#34655520: Wrong MySQLCursor.statement values in the results of cursor.execute(..., multi=True)
- BUG#34556157: Kerberos authorization fails when using SSPI as security interface
- BUG#34499578: MySQLCursor.executemany() fails to correctly identify BULK data loading ops
- BUG#34467201: Add init_command connection option
- BUG#33904362: mysqlx (X DevAPI) does not work properly with Russian characters
- BUG#32625155: Tests fail against group replication cluster
- BUG#30089671: Fix decoding VARBINARY columns when using a prepared cursor
- BUG#28020811: Fix multiple reference leaks in the C extension
- BUG#27426532: Reduce callproc roundtrip time
- BUG#24364556: Improve warning behavior
- BUG#23342572: Allow dictionaries as parameters in prepared statements
- BUG#23339387: Add MySQLCursorPreparedDict option
- BUG#22906307: MySQLConverter.escape() does not work for dates
- BUG#20504804: cursor.executemany() fails with INSERT IGNORE
v8.0.31
=======
- WL#15156: Add support for Python 3.11
- BUG#34373612: Fix the assumption that gcc is the default compiler
- BUG#34283402: Binary data starting with 0x00 are returned as empty string
- BUG#34217492: Exec of stored procedures with args fails when db prefix used
- BUG#33987119: TEXT and with a _bin collation (e.g: utf8mb4_bin) are considered as bytes object
- BUG#28491115: Connector/Python crashes on 0 time value
- BUG#28295478: Align exception types raised by pure Python and c-ext
- BUG#27634910: Add warning count method to cursors
- BUG#21529893: Resultset handling not proper in C-Python with c-ext
- BUG#21463298: Fix weakly-referenced object no longer exists exception
- BUG#21402805: Unbound local error when charset name is given as empty to set_charset_collation()
v8.0.30
=======
- WL#15212: Update collation mappings
- WL#15151: Increase to 88 characters per line
- WL#15137: Fix linting issues
- WL#15035: Enforce PEP 7 and PEP 8 coding style
- WL#14822: Refactor the authentication plugin mechanism
- WL#14815: Support OpenSSL 3.0
- BUG#34260344: Disallow empty strings in collection fields
- BUG#34231226: Generated classes do not work with the latest Protobuf
- BUG#34228442: Fix NO_BACKSLASH_ESCAPES SQL mode support in c-ext
- BUG#34223015: Invalidate the usage of non-compatible cursor types
- BUG#34127959: Add isolation level support in Django backend
- BUG#33923516: Allow tuple of dictionaries as "failover" argument
- BUG#28821983: Fix rounding errors for decimal values
- BUG#28295504: Disable SSL when using Unix socket connections
v8.0.29
=======
- WL#14860: Support FIDO authentication (c-ext)
- WL#14852: Align TLS option checking across connectors
- WL#14824: Remove Python 3.6 support
- WL#14679: Allow custom class for data type conversion in Django backend
- WL#14665: SSPI Kerberos authentication for Windows (pure-python)
- BUG#33861549: Replace SHOW VARIABLES inefficient statements
- BUG#33747585: Fix error when using an expression as a column without an alias
- BUG#33729842: Character set 'utf8mb3' support
- BUG#33481203: OverflowError for MySQL BIGINT on c-ext
- BUG#33203161: Exception is thrown on close connection with pooling
- BUG#30203754: Prepared stmt fails on cext with BIGINTS
- BUG#28877987: Return bytes or bytearray if decoding fails
- BUG#27634914: Remove mention of unsupported functionality in Session docstring
- BUG#23338623: Add support for Decimal parsing in protocol.py
- BUG#23324748: Guarantee file closing of input files in optionfile
- BUG#21528553: Fix API inconsistency when using consume_results=True
- BUG#21498719: Fix conversion of Python bytearray (c-ext)
- BUG#20065830: NaN is not supported
v8.0.28
=======
- WL#14814: Remove support for TLS 1.0 and 1.1
- WL#14813: Add support for Python 3.10
- WL#14720: Support for Multi Factor authentication (pure Python)
- WL#14667: Support for Multi Factor authentication (c-ext)
- BUG#33486094: Stored value in Decimal field is returned as str on prepared pure python cursor
- BUG#33410592: Fix compiler warnings
- BUG#33409819: Fix failure when using a conversion class in CMySQLConnection
- BUG#27358941: Invalid types for params silently ignored in execute method
v8.0.27
=======
- WL#14710: Support OCI IAM authentication
- WL#14689: Fallback conversion to str for types incompatible with MySQL
- WL#14664: Allow SSPI Kerberos library usage with c-ext
- BUG#33177337: Connection with chained SSL certs fails with ssl_verify_identity
- BUG#28641350: mysqlx.result.Row objects cannot be printed directly
v8.0.26
=======
- WL#14634: Running unit tests against external server
- WL#14542: Deprecate TLS 1.0 and 1.1
- WL#14440: Support for authentication_kerberos_client authentication plugin
- WL#14306: Integrate QA tests into Connector/Python test suite
- WL#14237: Support query attributes
- BUG#32947160: Remove MySQLdb module dependency from Django backend
- BUG#32838010: Fix option files parsing with include directive
- BUG#32789076: MSI is missing required libraries to use auth_ldap_client plugin
- BUG#32778827: Raise an error if the _id is different when replacing a document
- BUG#32740486: Fix typo in docstring
- BUG#32623479: The X DevAPI returns str for binary types values
- BUG#32585611: Fix broken links in X DevAPI reference documentation search
- BUG#31528783: Fix number with ZEROFILL not handled by C extension
v8.0.25
=======
This release contains no functional changes and is published to align
the version number with the MySQL Server 8.0.25 release.
v8.0.24
=======
- WL#14424: Improve timeout error messages
- WL#14240: Remove Python 3.5 support
- WL#14239: Remove Python 2.7 support
- WL#14212: Support connection close notification
- WL#14027: Add support for Python 3.9
- BUG#32532744: MSI destination folder page lacks details of what installs
- BUG#32497631: Prepared statements fail when parameters are not given
- BUG#32496788: Prepared statements accepts any type of parameters
- BUG#32435181: Add support for Django 3.2
- BUG#32162928: Change user command fails on pure python implementation
- BUG#32120659: Prepared statements w/o parameters violates MySQL protocol
- BUG#32039427: Remove python 3.4 support in MSI packaging
- BUG#32029891: Add context manager support for pooled connections
- BUG#31490101: Fix wrong cast of Python unicode to std::string
- BUG#31315173: Added documentation for multi-host and failover
- BUG#30416704: Binary columns returned as strings
v8.0.23
=======
- WL#14263: Add support for SCRAM-SHA-256
- WL#14238: Deprecate Python 2.7 support
- WL#14215: Replace language in APIs and source code/docs
- WL#14213: Support GSSAPI - Kerberos auth
- BUG#32165864: Fix segmentation fault when using invalid SQL with prepared statements
- BUG#31882419: Fix error when getting the connection ID from a CMySQLConnection
- BUG#29195610: Fix cursor.callproc() using namedtuple and dictionary cursors
- BUG#26834307: Make cursor.fetchone() and cursor.fetchmany() PEP 249 compliant
- BUG#24938411: Fix datetime microsecond conversion
v8.0.22
=======
- WL#14110: Add support for SCRAM-SHA-1
- WL#14098: Add option to specify LOAD DATA LOCAL IN PATH
- WL#13997: Refactoring of the building system
- WL#13995: Add support for configurable compression levels
- WL#13994: Support clear text passwords
- WL#13380: Add support for Django 3.0
- BUG#31335275: Fix memory leak when using the Decimal data type
- BUG#31267800: Include copyright header in the modules generated by protoc
- BUG#27535063: Fix wrong error message when specifying the collation for a non TEXT field
- BUG#20811567: Support use_pure option in config_files
v8.0.21
=======
- WL#13847: Add support for context managers
- WL#13059: Add schema validation support
- WL#12501: Connection compression
- BUG#31098686: Unittests for CMD_CHANGE_USER does not cover CMySQLConnection defaults
- BUG#31060730: Skip pure Python tests if Protobuf is not available
- BUG#30996790: Fix connect_timeout option behavior
- BUG#30950184: Fix error when using the fractional part in DATETIME
- BUG#29808262: Fix BLOB types conversion
- BUG#29181907: Fix discovering of MySQL libraries
- BUG#28627768: JSON_REPLACE not working correctly for SQL tables
- BUG#27602636: Expressions in Table.update.set() raises an exception
- BUG#27489937: Support for connection pools in the C extension
v8.0.20
=======
- WL#13334: Connector support for failover and load-balancing
- BUG#30643277: Add missing raise statement when queue is full
- BUG#30608703: Fix fetchmany when the last fetch is not a full batch
v8.0.19
=======
- WL#13531: Remove xplugin namespace
- WL#13372: DNS SRV support
- WL#12738: Specify TLS ciphers to be used by a client or session
- BUG#30270760: Fix reserved filed should have a length of 22
- BUG#29417117: Close file in handle load data infile
v8.0.18
=======
- WL#13330: Single C/Python (Win) MSI installer
- WL#13335: Connectors should handle expired password sandbox without SET operations
- WL#13194: Add support for Python 3.8
- BUG#29909157: Table scans of floats causes memory leak with the C extension
- BUG#25349794: Add read_default_file alias for option_files in connect()
v8.0.17
=======
- WL#13155: Support new utf8mb4 bin collation
- WL#12737: Add overlaps and not_overlaps as operator
- WL#12735: Add README.rst and CONTRIBUTING.rst files
- WL#12227: Indexing array fields
- WL#12085: Support cursor prepared statements with C extension
- BUG#29855733: Fix error during connection using charset and collation combination
- BUG#29833590: Calling execute() should fetch active results
- BUG#21072758: Support for connection attributes classic
v8.0.16
=======
- WL#12864: Upgrade of Protobuf version to 3.6.1
- WL#12863: Drop support for Django versions older than 1.11
- WL#12489: Support new session reset functionality
- WL#12488: Support for session-connect-attributes
- WL#12297: Expose metadata about the source and binaries
- WL#12225: Prepared statement support
- BUG#29324966: Add missing username connection argument for driver compatibility
- BUG#29278489: Fix wrong user and group for Solaris packages
- BUG#29001628: Fix access by column label in Table.select()
- BUG#28479054: Fix Python interpreter crash due to memory corruption
- BUG#27897881: Empty LONG BLOB throws an IndexError
v8.0.15
=======
- BUG#29260128: Disable load data local infile by default
v8.0.14
=======
- WL#12607: Handling of Default Schema
- WL#12493: Standardize count method
- WL#12492: Be prepared for initial notice on connection
- BUG#28646344: Remove expression parsing on values
- BUG#28280321: Fix segmentation fault when using unicode characters in tables
- BUG#27794178: Using use_pure=False should raise an error if cext is not available
- BUG#27434751: Add a TLS/SSL option to verify server name
v8.0.13
=======
- WL#12239: Add support for Python 3.7
- WL#12226: Implement connect timeout
- WL#11897: Implement connection pooling for xprotocol
- BUG#28278352: C extension mysqlx Collection.add() leaks memory in sequential calls
- BUG#28037275: Missing bind parameters causes segfault or unclear error message
- BUG#27528819: Support special characters in the user and password using URI
v8.0.12
=======
- WL#11951: Consolidate discrepancies between pure and c extension
- WL#11932: Remove Fabric support
- WL#11898: Core API v1 alignment
- BUG#28188883: Use utf8mb4 as the default character set
- BUG#28133321: Fix incorrect columns names representing aggregate functions
- BUG#27962293: Fix Django 2.0 and MySQL 8.0 compatibility issues
- BUG#27567999: Fix wrong docstring in ModifyStatement.patch()
- BUG#27277937: Fix confusing error message when using an unsupported collation
- BUG#26834200: Deprecate Row.get_string() method
- BUG#26660624: Fix missing install option in documentation
v8.0.11
=======
- WL#11668: Add SHA256_MEMORY authentication mechanism
- WL#11614: Enable C extension by default
- WL#11448: New document _id generation support
- WL#11282: Support new locking modes NOWAIT and SKIP LOCKED
- BUG#27639119: Use a list of dictionaries to store warnings
- BUG#27634885: Update error codes for MySQL 8.0.11
- BUG#27589450: Remove upsert functionality from WriteStatement class
- BUG#27528842: Fix internal queries open for SQL injection
- BUG#27364914: Cursor prepared statements do not convert strings
- BUG#24953913: Fix failing unittests
- BUG#24948205: Results from JSON_TYPE() are returned as bytearray
- BUG#24948186: JSON type results are bytearray instead of corresponding python type
v8.0.6
======
- WL#11372: Remove configuration API
- WL#11303: Remove CreateTable and CreateView
- WL#11281: Transaction savepoints
- WL#11278: Collection.create_index
- WL#11149: Create Pylint test for mysqlx
- WL#11142: Modify/MergePatch
- WL#11079: Add support for Python 3.6
v8.0.5
======
- WL#11073: Add caching_sha2_password authentication plugin
- WL#10975: Add Single document operations
- WL#10974: Add Row locking methods to find and select operations
- WL#10973: Allow JSON types as operands for IN operator
- WL#10899: Add support for pure Python implementation of Protobuf
- WL#10771: Add SHA256 authentication
- WL#10053: Configuration handling interface
v8.0.4
======
- WL#10772: Cleanup Drop APIs
- WL#10770: Ensure all Session connections are secure by default
- WL#10754: Forbid modify() and remove() with no condition
- WL#10659: Support utf8mb4 as default charset
- WL#10658: Remove concept of NodeSession
- WL#10657: Move version number to 8.0
- WL#10198: Add Protobuf C++ extension implementation
- WL#10004: Document UUID generation
- BUG#26175003: Fix Session.sql() when using unicode SQL statements with Python 2.7
- BUG#26161838: Dropping an non-existing index should succeed silently
- BUG#26160876: Fix issue when using empty condition in Collection.remove() and Table.delete()
- BUG#26029811: Improve error thrown when using an invalid parameter in bind()
- BUG#25991574: Fix Collection.remove() and Table.delete() missing filters
v2.2.3
======
- WL#10452: Add Protobuf C++ extension for Linux variants and Mac OSX
- WL#10081: DevAPI: IPv6 support
- BUG#25614860: Fix defined_as method in the view creation
- BUG#25519251: SelectStatement does not implement order_by() method
- BUG#25436568: Update available operators for XPlugin
- BUG#24954006: Add missing items in CHANGES.txt
- BUG#24578507: Fix import error using Python 2.6
- BUG#23636962: Fix improper error message when creating a Session
- BUG#23568207: Fix default aliases for projection fields
- BUG#23567724: Fix operator names
v2.2.2
======
- DevAPI: Schema.create_table
- DevAPI: Flexible Parameter Lists
- DevAPI: New transports: Unix domain socket
- DevAPI: Core TLS/SSL options for the mysqlx URI scheme
- DevAPI: View DDL with support for partitioning in a cluster / sharding
- BUG#24520850: Fix unexpected behavior when using an empty collection name
v2.2.1
======
- Add support for Protocol Buffers 3
- Add View support (without DDL)
- Implement get_default_schema() method in BaseSchema
- DevAPI: Per ReplicaSet SQL execution
- DevAPI: XSession accepts a list of routers
- DevAPI: Define action on adding empty list of documents
- BUG#23729357: Fix fetching BIT datatype
- BUG#23583381: Add who_am_i and am_i_real methods to DatabaseObject
- BUG#23568257: Add fetch_one method to mysqlx.result
- BUG#23550743: Add close method to XSession and NodeSession
- BUG#23550057: Add support for URI as connection data
v2.2.0
======
- Provide initial implementation of new DevAPI