New Features

• Add Mysql2::Client#closed? (#796)
• Adding support for MYSQL_ENABLE_CLEARTEXT_PLUGIN flag (#845)

Bugfixes

• Avoid invalidating re-assigned socket fd by fixing connected check (#847)
• Fix use after free of client field when closing with reconnect option (#846)
• Fix segfault for Mysql2::Statement#fields on non-SELECT queries (#860)

Changes

• Support for MariaDB 10.2 (#857 and others)
• Close several unclosed clients in tests (#848)
• Docs: Fix link in readme (#854)
• Fix incorrect use of word "deprecated" (#855)
• Fix leaky test that caused a re-assigned socket to be closed on GC. (#853)
• Wait for close to be processed by server in test for Threads_connected (#850)
• Fix flaky test that used Process.wait without specifying a pid (#849)

New Features

None.

Bugfixes

• Mysql2::Error: This connection is still waiting for a result, try again once you have the result (#772)
• Handle being terminated while reading query result (#811 )
• Fix segfault on SIGINT race condition (#816, #813)
• Better error messages when the connection options have errors (#831)

Changes

• Use bool instead of my_bool which has been removed since MySQL 8.0.1 (#840, #838)
• Reminder for Mac users to install xcode-select (#832)
• Update Travis CI and AppVeyor matrix (#820, #819, #812)
• Update Travis CI for MySQL 8.0 tests (#818, #817)

New Features

• Add new connection argument :ssl_mode to Mysql2::Client#new
• Prepared statements now support DateTime arguments

Bugfixes

• Fix segfault when wrapper->result is used after it is freed
• Raise an exception but don't crash on non-string encoding argument
• Raise an exception but don't crash on nil argument to Mysql2::Client#new
• Avoid RangeError on integers larger than LONG_LONG
• Fix a BigDecimal value binding in Prepared Statements
• Avoid type error when using connect_timeout, read_timeout and write_timeout in a DATABASE_URL env variable

Changes

• Travis CI matrix now includes MySQL 8.0
• Travis CI matrix defaults to MySQL 5.6
• AppVeyor CI matrix switched to MySQL 5.7
• Fix test that implicitly creates a passwordless user
• Use RSpec expect output instead of StringIO
• Move macro REQUIRE_CONNECTED to client.c
• Add a note about casting boolean columns
• Suppress rubocop's invalid UTF-8 literal warning

New Features

None

Bugfixes

• Fix segfault when :cache_rows => false

Changes

• Add Ruby 2.3.1 to the Travis CI matrix
• Use Thread.handle_interrupt to protect Client#query against Timeout interrupts

New Features

• None

Bugfixes

• Fix segv when num of rows is zero
• Fix failed to allocate memory for an empty result set
• Fix :cache_rows => false on prepared statements
• Fix results buffer allocation fails with prepared statements

Changes

• Allow repeated each with :cache_rows => false
• Fix some tests for non-default creds
• Use the Travis Trusty image for Travis CI

New Features

• Add method Client#ssl_cipher to expose mysql_get_ssl_cipher
• Add method Result#free to immediately free a result set
• Add connection flag automatic_close: true/false to determine whether to work around connections being closed by garbage collection in a child after a fork. Default is true, which restores behavior prior to 0.3.16.

Bugfixes

• Fix to hold the GVL between mysql_stmt_execute and mysql_stmt_store_result to prevent commands hitting the wire out of sync (e.g. if a GC run occurs in the middle)
• Fix BigDecimal arguments to Prepared Statements were ignored
• Fix rake re-definition warning

Changes

• Add Ruby 2.3 to the Travis CI matrix
• Allow nil for timeouts instead of casting to 0 when creating a Client instance
• Add connection flag automatic_close: true/false to determine whether to work around connections being closed by garbage collection in a child after a fork. Default is true, which restores behavior prior to 0.3.16.

New Features

• Add Array and String parsing to the Mysql2::Client.new(:flags => ...) parameter to make it easier to pass flags from database.yml by name rather than magic numbers.
• Add compile-time configure flag --with-sanitize[=address,cfi,integer,memory,thread,undefined] to enable Clang / GCC sanitizers.

Bug Fixes

• Fix memory leak in Mysql2::Client#close
• Don't enable Clang sanitizers on end-user CI systems where the mysql2 gem is not the thing under test.

Changes

• Update Travis tests for MariaDB 5.5, 10.0, 10.1, and MySQL 5.7 GA.

New Features

• Add methods Mysql2::Statement#last_id, Mysql2::Statement#affected_rows, Mysql2::Statement#close

Bug Fixes

• Only check compile-time libmysql version on Win32 platform.
• Also protect Mysql2::Statement#execute from Timeout.
• Handle different versions of TimeoutError vs. Timeout::ExitException.

Changes

• Send a COM_QUIT and shutdown() the socket for explicit Mysql2::Client#close calls.
• New method for raising Mysql2::Error with error_number and sql_state arguments.
• More cleanups for RuboCopy. Enforce RuboCop compliance on Travis.
• Use pre-generated SSL certificates rather than generating on the fly on Travis (tests run faster by up to 1 minute).
• Updates for RSpec 3.x preferred test style.
• Attempt to run Clang sanitizers on Travis CI.
• Move Mysql2::Client @@default_query_options into a class method.

New Features

• Support for Prepared Statements!
• Add connection option :sslverify
• Use mariadb_config for MariaDB builds

Bugfixes

• Fix Mysql2::Result#count always returns 0 when using stored procedures and MULTI_STATEMENTS

Changes

• Prevent Timeout::timeout from interrupting query execution
• Use Ruby's String#encode to remove unrecognized characters from error messages
• Convert specs to RSpec 3 expect sytnax
• Refactored the Travis CI test scripts
• Misc cleanups with Rubocop
• Stricter CFLAGS

Bugfixes

• Check if O_CLOEXEC is defined before using it in open()
• Fix an infinite loop while searching for libmysqlclient when mysql_config is not found

Changes

• Call RakeCompilerDock.sh twice, once for 32-bit and once for 64-bit, when building Windows binary gems