CHANGELOG.md · github_repo/pg_query_go

# Changelog

## 2.0.0      2021-03-18

* Update libpg_query to 13-2.0.0
* Switch to use Protobuf generated nodes instead of custom logic
  - WARNING: This is breaking API change!
  - This is a breaking change in the API, but necessary in order to
    significantly improve the performance of parsing a query into Go structs,
    as well as allowing future bi-directional passing of parse trees between
    Go and C, such as for a future addition of a deparser.
* Rename pg_query.FastFingerprint to pg_query.Fingerprint
  - WARNING: This is breaking API change!
  - We no longer have direct support for running the fingerprint in the Go
    library, as its unnecessarily complex to support, and we can instead
    rely on the C fingerprinting method.
* Add support for deparsing parse trees back into a SQL statement
  - Call the new `pg_query.Deparse` method to get back the SQL text for
    a particular parse tree structure
  - This relies on the new deparser in libpg_query to transform a given parse
    tree back into a SQL statement. Note that this is currently considered
    experimental, and should not be used on unsanitized input, due to the risk
    of crashes in the C code with unexpected conditions.
* Update import path to `github.com/pganalyze/pg_query_go`

## 1.0.2      2021-02-18

* Update libpg_query to 10-1.0.5
  - This resolves memory leak problems, adds PPC architecture support,
    and refreshes the Postgres minor version to 10.16.

## 1.0.1      2020-11-07

* Update libpg_query to 10-1.0.3
  - This fixes ARM builds, and refreshes the Postgres patch version. This
    commit does not change the Postgres major version yet (still at PG 10).

## 1.0.0      2019-01-11

* Initial release with a tagged version
  - Note that 1.X releases will reflect Postgres 10 parser based releases from
    now on. When the Postgres 11 parser is released, that will be a new major
    version.

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