# Changelog

All notable changes to this project will be documented in this file.


The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.3.12] - 2023-01-16

### Bug Fixes

- *(sys)* Fix memory leak in stmt bind
- *(sys)* Fix async runtime error under v2- Stmt mem leak for binary/nchar bind


### Features
- Taosws PEP-249 fully support


### Testing
- Fix sql syntax error


### Dep
- Taos-query v0.3.13


## [0.3.11] - 2022-12-24

### Bug Fixes
- Fix memory leak when query error


### Enhancements
- Support delete meta in json


## [0.3.10] - 2022-12-19

### Bug Fixes
- Fix tmq_free_raw lost that causes mem leak


## [0.3.9] - 2022-12-09

### Bug Fixes
- Use dlopen2 instead of libloading
- Use spawn_blocking for tmq poll async


## [0.3.7] - 2022-11-30

### Bug Fixes

- *(sys)* Fix compile error when _raw_block_with_fields not avalible

## [0.3.6] - 2022-11-29

### Bug Fixes
- Use new write_raw_block_with_fields API if avaliable


## [0.3.4] - 2022-11-02

### Bug Fixes

- *(ws)* Broadcast errors when connection broken- Async future not cancellable when timeout=never


## [0.3.3] - 2022-10-31

### Bug Fixes
- Fix Stmt Send/Sync error under async/await


## [0.3.2] - 2022-10-28

### Bug Fixes
- Check tmq pointer is null


## [0.3.1] - 2022-10-27

### Features
- Refactor write_raw_* apis


## [0.3.0] - 2022-09-21

### Features
- Add MetaData variant for tmq message.
  - **BREAKING**: add MetaData variant for tmq message.


## [0.2.5] - 2022-09-16

### Performance

- *(mdsn)* Improve dsn parse performance and reduce binary size

## [0.2.4] - 2022-09-07

### Bug Fixes
- Fix std::ffi::c_char not found in rust v1.63.0


## [0.2.3] - 2022-09-07

### Bug Fixes
- Fix arm64 specific compile error


## [0.2.2] - 2022-08-31

### Bug Fixes

- *(tmq)* Enable expriment snapshot by default

## [0.2.1] - 2022-08-22

### Documentation
- Add example for bind and r2d2
- Add README and query/tmq examples


### Features
- Add main connector


### Refactor

- *(query)* New version of raw block- Fix stmt bind with raw block error


### Testing
- Fix llvm-cov test error and report code coverage


## [0.2.0] - 2022-08-11

### Documentation
- Add example for bind and r2d2
- Add README and query/tmq examples


### Features
- Add main connector


### Refactor

- *(query)* New version of raw block- Fix stmt bind with raw block error


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