Release v2.9.3

This release fixes regressions introduced in previous releases and other bugs.

• Total issues resolved: 5
• Total pull requests resolved: 14
• Total contributors: 9

Regressions

• 3686: Fixed query result caching when FetchMode::COLUMN is used thanks to @morozov and @Junker

• 3456: Compare type class when comparing columns. thanks to @garret-gunter and @cs278

Other bugs

• 3679: fix begin trasaction after reconnect thanks to @kalinin-k-a

• 3547: Default column expressions do not work on SQL Server thanks to @morozov

• 3420: Index length can be a string: ensure that it is an integer when read by the MySqlSchemaManager thanks to @leofeyer

CI improvements and maintenance

• 3702: Updated SQL Server extensions to fix build failures on PHP 7.4 thanks to @morozov

• 3662: Marked connection exception test incomplete on MySQL 8 thanks to @morozov

• 3622: Switched from ibmcom/db2express-c to ibmcom/db2 thanks to @morozov

• 3465: Replaced MySQL 5.7 installed from a PPA with an official Docker image thanks to @morozov

• 3454: CI: Test against PHP 7.4snapshot instead of nightly (8.0) thanks to @Majkl578

• 3452: Fixed AppVeyor build configuration and the issue on SQL Server thanks to @morozov and @Majkl578

• 3447: Replaced custom docker image for PostgreSQL with the official one thanks to @morozov

• 3407: CI: Test against MySQL 8.0 on Travis thanks to @morozov

PHP 7.4 support

• 3642: Fixed test failures on PHP 7.4 thanks to @morozov