* feat: initial commit of postgres protocol adapter
* initial commit of postgres server
* feat: use common_io runtime and correct testcase
* fix previous tests
* feat: adopt pgwire api changes and add support for text encoded data
* feat: initial integration with datanode
* test: add feature flag to test
* fix: resolve lint warnings
* feat: add postgres feature flags for datanode
* feat: add support for newly introduced timestamp type
* feat: adopt latest datanode changes
* fix: address clippy warning for flattern scenario
* fix: make clippy great again
* fix: address issues found in review
* chore: sort dependencies by name
* feat: adopt new Output api
* fix: return error on unsupported data types
* refactor: extract common code dealing with record batches
* fix: resolve clippy warnings
* test: adds some unit tests postgres handler
* test: correct test for cargo update
* fix: update query module name
* test: add assertion for error content
* address PR comments
address PR comments
use 3306 for mysql server's default port
upgrade metric to version 0.20
move crate "servers" out of "common"
make mysql io threads count configurable in config file
add snafu backtrace for errors with source
use common-server error for mysql server
add test for grpc server
refactor testing codes
fix rustfmt check
start mysql server in datanode
move grpc server codes from datanode to common-servers
feat: unify servers
* rebase develop and resolve conflicts
* remove an unnecessary todo
Co-authored-by: luofucong <luofucong@greptime.com>
