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CHANGELOG.md

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Changelog

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

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.16.0] - 2023-08-04

Changed

  • Changed Portal::parameter function to require a &Type argument for deserialization. Previously we relies on client specified types but it doesn't work when the client driver requires type inference on server-side. The new function signature allows you to provide an type. [#106]
  • Changed DefaultServerParameterProvider API to allow modification of built-in parameters. [#97]

[0.15.0] - 2023-06-23

Added

  • Codecs for Copy messages. [#91]

Changed

  • Made parse_sql from QueryParser an async function because some implementation requires async operation [#96]

[0.14.1] - 2023-06-01

Fixed

  • Corrected how server handler responds Sync message. Fixed compatibility with rust sqlx client. #90

[0.14.0] - 2023-05-04

Added

  • Exposed send_describe_response and send_execution_response as helper functions for custom ExtendedQueryHandler implementation.

Changed

  • tcp_nodelay is turned on by default within pgwire for performance consideration.
  • Changed getters of QueryResponse to return owned data.

[0.13.1] - 2023-04-30

Added

  • A new helper function send_query_response is added for convenience of custom query handler implementation

[0.13.0] - 2023-04-08

Added

  • Message NoData that sends from backend when Describe sent on an empty query.
  • Add EmptyQuery to Response enum to represent response for empty query.
  • Add no_data constructor to DescribeResponse for empty query.

Changed

  • Improved empty query check for SimpleQueryHandler. #75

[0.12.0] - 2023-03-26

Added

  • ToSqlText trait and default implementation for some types. This trait is similar to ToSql from postgres-types package. It provide text format encoding while ToSql are binary by default.

Changed

  • Updated DataRowEncoder encode API with unified encode_field for both binary and text encoding. DataRowEncoder::new now accepts Arc<Vec<FieldInfo>> instead of column count. The encoder now has type and format information for each column. encode_field no longer requires Type and FieldFormat. A new encode_field_with_type_and_format is provided for custom use-case.
  • Updated do_describe API from ExtendedQueryHandler to include full information about requested Statement or Portal.
  • query_response function is replaced by QueryResponse::new

[0.11.1] - 2023-02-26

Fixed

  • lifetime binding in on_query functions if the implementation has its own lifetime specifier

[0.11.0] - 2023-02-26

Further improve extended query support. Now the server can respond statement describe correctly.

Added

  • Add some docs.
  • Add integer_datetimes parameter on startup so clients like jdbc will parse time types as integer.
  • DescribeResponse that contains information for both ParameterDescription and RowDescription.

Changed

  • Update do_describe of ExtendedQueryHandler. Add new bool argument inference_parameters to check if parameter types from statement is required to return.
  • Updated resultset Response::QueryResponse lifetime from 'static to portal or query string, this allows reference of portal in stream.

Fixed

  • The default implementation of ExtendedQueryHandler now correctly responds Close message with CloseComplete
  • Correct SCRAM mechanism name in plain connection

[0.10.0] - 2023-02-08

This release reverts design to use MakeHandler in process_socket, since it stops shared implementation between StartupHandler and query handlers.

Changed

  • Update process_socket to accept StartupHandler, SimpleQueryHandler and ExtendedQueryHandler. MakeHandler should be called upon new socket incoming. Check our updated examples for usage.
  • Removed Password, SASLInitialResponse and SASLResponse from frontend message enum to avoid confusion. PasswordMessageFamily is now an enum that contains all these message forms and a raw form. This is because in postgres protocol, password message can only be decoded into concrete type when there is a context. See our MD5 and SCRAM authenticator for usage.

[0.9.1] - 2023-02-02

Fixes compatibility with rust-postgres client's prepared statement implementation. It sends Parse-Describe-Sync on Client::prepare_typed.

Fixed

  • Parse and Bind completion response is now fixed
  • Responding statement describe request with parameter description, and ready for query

[0.9.0] - 2023-02-01

Changed

  • Updated QueryParser API to provide parameter types for implementation.
  • Updated Portal API, it now holds Arc reference to related StoredStatement.
  • Updated ExtendedQueryHandler::do_describe arguments, it now takes a borrowed StoredStatement. Compared to previews API, parameter types are provided as well.
  • Renamed StoredStatement::type_oids() to parameter_types()

[0.8.0] - 2023-01-29

Changed

  • ExtendedQueryHandler trait now has two new component: PortalStore and QueryParser. PortalStore replaced statement and portal cache on ClientInfo, these data will now be cached with PortalStore from ExtendedQueryHandler implementation.
  • A default PortalStore implementation, MemPortalStore, is provided for most usecase.
  • Statement API now renamed to StoredStatement. The new API holds parsed statement from QueryParser implementation.
  • Portal API, like it's statement counterpart, no longer stores statement as string, it shares same statement type with StoredStatement, QueryParser and ExtendedQueryHandler.
  • PasswordVerifier and AuthDB are now merged into AuthSource API. The new API asks developer to fetch password and an optional salt. The password can either be hashed or cleattext, depends on which authentication mechanism is used.

Added

  • SCRAM-SHA-256-PLUS authentication is supported when you provide server certificate.
  • do_describe is added to ExtendedQueryHandler, now it's possible to Describe a statement or portal without execution. The implementation is also required to be capable with this.
  • DefaultServerParameterProvider implementation is provided to include minimal parameters for JDBC and psycopg2 working.
  • PlaceholderExtendedQueryHandler to simplify example and demo when extended query is not supported.
  • Flush message added. @penberg