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VERSION.md

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Version 0.11

This release upgrades libpg_query so contains breaking changes.

New:

  • Introduced a parse_debug function to allow for consuming functions to inspect the raw JSON output from libpg_query. This is likely only used internally by library authors, but a useful feature nonetheless.

Modified:

  • Updated libpg_query to 15-4.2.2. This required a lot of refactoring to support the modified AST being generated.
  • String generation is now feature gated under str. This feature is not feature complete so should be used with caution. Please note, this is currently enabled by default.

Other:

  • Bumped the project version to 2021 and updated syntax accordingly.

Please note that some syntax support has been dropped between Postgres version releases. For example, the ? placeholder is no longer supported. For a full list, please see the libpg_query changelog.

Version 0.10

Modified:

  • Updated libpg_query to 13-2.2.0.
  • Build optimization to prevent rebuilding when no changes #16.

Thank you @haileys for your contribution!

Version 0.9.1

Modified:

  • Updated regex library to remove potential security vulnerability.

Version 0.9.0

Modified:

  • Updated to latest libpg_query version which fixes some memory leaks.
  • Removed clippy build dependency which was subject to a potential security vulnerability.

Version 0.8.0

New:

  • to_string functionality for AST allowing you to turn the parsed tree back into SQL.

Version 0.7.0

Renamed project from pg_query.rs to pg_parse. Going forward the pganalyze team will maintain the official fork leveraging protobuf whereas this library will continue to use the JSON subsystem.

  • Remove Expr from generated output since it is a generic superclass.

Version 0.6.0

Fixes issue when parsing some statements that would contain trailing null objects in an array. Deserialization of these is now performed correctly. Note that this may cause some differing behavior from other libpg_query implementations whereby a "null object" is intended to indicate the end of an array.

An example of this behaviour is SELECT DISTINCT a, b FROM c. The distinct_clause generates [{}] from libpg_query. pg_query.rs now parses this as vec![].

Version 0.5.0

  • Enums can now be compared directly.
  • Null is generated with empty parameters to support JSON mapping.

Version 0.4.0

Updates libpg_query dependency to 13-2.1.0.

Version 0.3.0

  • Fixes Value parsing in some situations such as for typemod

Version 0.2.0

  • Adds in the List node type by generating nodes/pg_list in structdef.
  • Implement std::error::Error for Error type