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## HEAD
Changes:
- Go 1.1 is no longer supported
- Use decimals fields in MySQL to format time types (#249)
- Buffer optimizations (#269)
- TLS ServerName defaults to the host (#283)
- Refactoring (#400, #410, #437)
- Adjusted documentation for second generation CloudSQL (#485)
New Features:
- Enable microsecond resolution on TIME, DATETIME and TIMESTAMP (#249)
- Support for returning table alias on Columns() (#289, #359, #382)
- Placeholder interpolation, can be actived with the DSN parameter `interpolateParams=true` (#309, #318, #490)
- Support for uint64 parameters with high bit set (#332, #345)
- Cleartext authentication plugin support (#327)
- Exported ParseDSN function and the Config struct (#403, #419, #429)
- Read / Write timeouts (#401)
- Support for JSON field type (#414)
- Support for multi-statements and multi-results (#411, #431)
- DSN parameter to set the driver-side max_allowed_packet value manually (#489)
Bugfixes:
- Fixed handling of queries without columns and rows (#255)
- Fixed a panic when SetKeepAlive() failed (#298)
- Handle ERR packets while reading rows (#321)
- Fixed reading NULL length-encoded integers in MySQL 5.6+ (#349)
- Fixed absolute paths support in LOAD LOCAL DATA INFILE (#356)
- Actually zero out bytes in handshake response (#378)
- Fixed race condition in registering LOAD DATA INFILE handler (#383)
- Fixed tests with MySQL 5.7.9+ (#380)
- QueryUnescape TLS config names (#397)
- Fixed "broken pipe" error by writing to closed socket (#390)
- Fixed LOAD LOCAL DATA INFILE buffering (#424)
- Fixed parsing of floats into float64 when placeholders are used (#434)
- Fixed DSN tests with Go 1.7+ (#459)
- Handle ERR packets while waiting for EOF (#473)
## Version 1.2 (2014-06-03)
Changes:
- We switched back to a "rolling release". `go get` installs the current master branch again
- Version v1 of the driver will not be maintained anymore. Go 1.0 is no longer supported by this driver
- Exported errors to allow easy checking from application code
- Enabled TCP Keepalives on TCP connections
- Optimized INFILE handling (better buffer size calculation, lazy init, ...)
- The DSN parser also checks for a missing separating slash
- Faster binary date / datetime to string formatting
- Also exported the MySQLWarning type
- mysqlConn.Close returns the first error encountered instead of ignoring all errors
- writePacket() automatically writes the packet size to the header
- readPacket() uses an iterative approach instead of the recursive approach to merge splitted packets
New Features:
- `RegisterDial` allows the usage of a custom dial function to establish the network connection
- Setting the connection collation is possible with the `collation` DSN parameter. This parameter should be preferred over the `charset` parameter
- Logging of critical errors is configurable with `SetLogger`
- Google CloudSQL support
Bugfixes:
- Allow more than 32 parameters in prepared statements
- Various old_password fixes
- Fixed TestConcurrent test to pass Go's race detection
- Fixed appendLengthEncodedInteger for large numbers
- Renamed readLengthEnodedString to readLengthEncodedString and skipLengthEnodedString to skipLengthEncodedString (fixed typo)
## Version 1.1 (2013-11-02)
Changes:
- Go-MySQL-Driver now requires Go 1.1
- Connections now use the collation `utf8_general_ci` by default. Adding `&charset=UTF8` to the DSN should not be necessary anymore
- Made closing rows and connections error tolerant. This allows for example deferring rows.Close() without checking for errors
- `[]byte(nil)` is now treated as a NULL value. Before, it was treated like an empty string / `[]byte("")`
- DSN parameter values must now be url.QueryEscape'ed. This allows text values to contain special characters, such as '&'.
- Use the IO buffer also for writing. This results in zero allocations (by the driver) for most queries
- Optimized the buffer for reading
- stmt.Query now caches column metadata
- New Logo
- Changed the copyright header to include all contributors
- Improved the LOAD INFILE documentation
- The driver struct is now exported to make the driver directly accessible
- Refactored the driver tests
- Added more benchmarks and moved all to a separate file
- Other small refactoring
New Features:
- Added *old_passwords* support: Required in some cases, but must be enabled by adding `allowOldPasswords=true` to the DSN since it is insecure
- Added a `clientFoundRows` parameter: Return the number of matching rows instead of the number of rows changed on UPDATEs
- Added TLS/SSL support: Use a TLS/SSL encrypted connection to the server. Custom TLS configs can be registered and used
Bugfixes:
- Fixed MySQL 4.1 support: MySQL 4.1 sends packets with lengths which differ from the specification
- Convert to DB timezone when inserting `time.Time`
- Splitted packets (more than 16MB) are now merged correctly
- Fixed false positive `io.EOF` errors when the data was fully read
- Avoid panics on reuse of closed connections
- Fixed empty string producing false nil values
- Fixed sign byte for positive TIME fields
## Version 1.0 (2013-05-14)
Initial Release
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