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207 lines
8.9 KiB
Markdown
207 lines
8.9 KiB
Markdown
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## Version 1.5 (2020-01-07)
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Changes:
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- Dropped support Go 1.9 and lower (#823, #829, #886, #1016, #1017)
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- Improve buffer handling (#890)
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- Document potentially insecure TLS configs (#901)
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- Use a double-buffering scheme to prevent data races (#943)
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- Pass uint64 values without converting them to string (#838, #955)
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- Update collations and make utf8mb4 default (#877, #1054)
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- Make NullTime compatible with sql.NullTime in Go 1.13+ (#995)
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- Removed CloudSQL support (#993, #1007)
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- Add Go Module support (#1003)
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New Features:
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- Implement support of optional TLS (#900)
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- Check connection liveness (#934, #964, #997, #1048, #1051, #1052)
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- Implement Connector Interface (#941, #958, #1020, #1035)
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Bugfixes:
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- Mark connections as bad on error during ping (#875)
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- Mark connections as bad on error during dial (#867)
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- Fix connection leak caused by rapid context cancellation (#1024)
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- Mark connections as bad on error during Conn.Prepare (#1030)
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## Version 1.4.1 (2018-11-14)
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Bugfixes:
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- Fix TIME format for binary columns (#818)
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- Fix handling of empty auth plugin names (#835)
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- Fix caching_sha2_password with empty password (#826)
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- Fix canceled context broke mysqlConn (#862)
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- Fix OldAuthSwitchRequest support (#870)
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- Fix Auth Response packet for cleartext password (#887)
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## Version 1.4 (2018-06-03)
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Changes:
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- Documentation fixes (#530, #535, #567)
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- Refactoring (#575, #579, #580, #581, #603, #615, #704)
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- Cache column names (#444)
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- Sort the DSN parameters in DSNs generated from a config (#637)
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- Allow native password authentication by default (#644)
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- Use the default port if it is missing in the DSN (#668)
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- Removed the `strict` mode (#676)
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- Do not query `max_allowed_packet` by default (#680)
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- Dropped support Go 1.6 and lower (#696)
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- Updated `ConvertValue()` to match the database/sql/driver implementation (#760)
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- Document the usage of `0000-00-00T00:00:00` as the time.Time zero value (#783)
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- Improved the compatibility of the authentication system (#807)
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New Features:
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- Multi-Results support (#537)
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- `rejectReadOnly` DSN option (#604)
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- `context.Context` support (#608, #612, #627, #761)
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- Transaction isolation level support (#619, #744)
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- Read-Only transactions support (#618, #634)
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- `NewConfig` function which initializes a config with default values (#679)
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- Implemented the `ColumnType` interfaces (#667, #724)
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- Support for custom string types in `ConvertValue` (#623)
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- Implemented `NamedValueChecker`, improving support for uint64 with high bit set (#690, #709, #710)
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- `caching_sha2_password` authentication plugin support (#794, #800, #801, #802)
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- Implemented `driver.SessionResetter` (#779)
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- `sha256_password` authentication plugin support (#808)
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Bugfixes:
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- Use the DSN hostname as TLS default ServerName if `tls=true` (#564, #718)
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- Fixed LOAD LOCAL DATA INFILE for empty files (#590)
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- Removed columns definition cache since it sometimes cached invalid data (#592)
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- Don't mutate registered TLS configs (#600)
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- Make RegisterTLSConfig concurrency-safe (#613)
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- Handle missing auth data in the handshake packet correctly (#646)
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- Do not retry queries when data was written to avoid data corruption (#302, #736)
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- Cache the connection pointer for error handling before invalidating it (#678)
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- Fixed imports for appengine/cloudsql (#700)
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- Fix sending STMT_LONG_DATA for 0 byte data (#734)
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- Set correct capacity for []bytes read from length-encoded strings (#766)
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- Make RegisterDial concurrency-safe (#773)
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## Version 1.3 (2016-12-01)
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Changes:
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- Go 1.1 is no longer supported
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- Use decimals fields in MySQL to format time types (#249)
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- Buffer optimizations (#269)
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- TLS ServerName defaults to the host (#283)
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- Refactoring (#400, #410, #437)
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- Adjusted documentation for second generation CloudSQL (#485)
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- Documented DSN system var quoting rules (#502)
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- Made statement.Close() calls idempotent to avoid errors in Go 1.6+ (#512)
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New Features:
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- Enable microsecond resolution on TIME, DATETIME and TIMESTAMP (#249)
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- Support for returning table alias on Columns() (#289, #359, #382)
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- Placeholder interpolation, can be actived with the DSN parameter `interpolateParams=true` (#309, #318, #490)
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- Support for uint64 parameters with high bit set (#332, #345)
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- Cleartext authentication plugin support (#327)
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- Exported ParseDSN function and the Config struct (#403, #419, #429)
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- Read / Write timeouts (#401)
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- Support for JSON field type (#414)
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- Support for multi-statements and multi-results (#411, #431)
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- DSN parameter to set the driver-side max_allowed_packet value manually (#489)
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- Native password authentication plugin support (#494, #524)
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Bugfixes:
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- Fixed handling of queries without columns and rows (#255)
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- Fixed a panic when SetKeepAlive() failed (#298)
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- Handle ERR packets while reading rows (#321)
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- Fixed reading NULL length-encoded integers in MySQL 5.6+ (#349)
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- Fixed absolute paths support in LOAD LOCAL DATA INFILE (#356)
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- Actually zero out bytes in handshake response (#378)
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- Fixed race condition in registering LOAD DATA INFILE handler (#383)
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- Fixed tests with MySQL 5.7.9+ (#380)
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- QueryUnescape TLS config names (#397)
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- Fixed "broken pipe" error by writing to closed socket (#390)
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- Fixed LOAD LOCAL DATA INFILE buffering (#424)
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- Fixed parsing of floats into float64 when placeholders are used (#434)
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- Fixed DSN tests with Go 1.7+ (#459)
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- Handle ERR packets while waiting for EOF (#473)
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- Invalidate connection on error while discarding additional results (#513)
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- Allow terminating packets of length 0 (#516)
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## Version 1.2 (2014-06-03)
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Changes:
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- We switched back to a "rolling release". `go get` installs the current master branch again
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- Version v1 of the driver will not be maintained anymore. Go 1.0 is no longer supported by this driver
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- Exported errors to allow easy checking from application code
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- Enabled TCP Keepalives on TCP connections
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- Optimized INFILE handling (better buffer size calculation, lazy init, ...)
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- The DSN parser also checks for a missing separating slash
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- Faster binary date / datetime to string formatting
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- Also exported the MySQLWarning type
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- mysqlConn.Close returns the first error encountered instead of ignoring all errors
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- writePacket() automatically writes the packet size to the header
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- readPacket() uses an iterative approach instead of the recursive approach to merge splitted packets
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New Features:
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- `RegisterDial` allows the usage of a custom dial function to establish the network connection
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- Setting the connection collation is possible with the `collation` DSN parameter. This parameter should be preferred over the `charset` parameter
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- Logging of critical errors is configurable with `SetLogger`
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- Google CloudSQL support
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Bugfixes:
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- Allow more than 32 parameters in prepared statements
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- Various old_password fixes
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- Fixed TestConcurrent test to pass Go's race detection
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- Fixed appendLengthEncodedInteger for large numbers
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- Renamed readLengthEnodedString to readLengthEncodedString and skipLengthEnodedString to skipLengthEncodedString (fixed typo)
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## Version 1.1 (2013-11-02)
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Changes:
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- Go-MySQL-Driver now requires Go 1.1
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- Connections now use the collation `utf8_general_ci` by default. Adding `&charset=UTF8` to the DSN should not be necessary anymore
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- Made closing rows and connections error tolerant. This allows for example deferring rows.Close() without checking for errors
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- `[]byte(nil)` is now treated as a NULL value. Before, it was treated like an empty string / `[]byte("")`
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- DSN parameter values must now be url.QueryEscape'ed. This allows text values to contain special characters, such as '&'.
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- Use the IO buffer also for writing. This results in zero allocations (by the driver) for most queries
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- Optimized the buffer for reading
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- stmt.Query now caches column metadata
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- New Logo
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- Changed the copyright header to include all contributors
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- Improved the LOAD INFILE documentation
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- The driver struct is now exported to make the driver directly accessible
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- Refactored the driver tests
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- Added more benchmarks and moved all to a separate file
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- Other small refactoring
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New Features:
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- Added *old_passwords* support: Required in some cases, but must be enabled by adding `allowOldPasswords=true` to the DSN since it is insecure
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- Added a `clientFoundRows` parameter: Return the number of matching rows instead of the number of rows changed on UPDATEs
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- Added TLS/SSL support: Use a TLS/SSL encrypted connection to the server. Custom TLS configs can be registered and used
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Bugfixes:
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- Fixed MySQL 4.1 support: MySQL 4.1 sends packets with lengths which differ from the specification
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- Convert to DB timezone when inserting `time.Time`
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- Splitted packets (more than 16MB) are now merged correctly
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- Fixed false positive `io.EOF` errors when the data was fully read
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- Avoid panics on reuse of closed connections
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- Fixed empty string producing false nil values
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- Fixed sign byte for positive TIME fields
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## Version 1.0 (2013-05-14)
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Initial Release
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