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lfittl merged 4 commits into from
Jan 21, 2026
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Release 6.2.1 #344

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079cecc
Release 6.2.1
keiko713 Jan 21, 2026
e90d886
Do not bump gem versions
keiko713 Jan 21, 2026
fe90120
Update supported version in README
keiko713 Jan 21, 2026
e285007
Drop irrelevant libpg_query changelogs
keiko713 Jan 21, 2026
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39 changes: 38 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -4,6 +4,43 @@

* ...

## 6.2.1 2026-01-20

* Upgrade to libpg_query 17-6.2.1
- Add pg_query_is_utility_stmt function to determine if query text contains utility statements [#313](https://github.com/pganalyze/libpg_query/pull/313)
- This is a fast check for callers that don't actually need the parse tree itself
- Add fast summary information function (pg_query_summary)
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@seanlinsley seanlinsley Jan 28, 2026

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Note that the Ruby bindings for pg_query_summary and pg_query_is_utility_stmt are still missing, so it's not really correct to include these in the changelog

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@keiko713 keiko713 Jan 28, 2026

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Ah good point (also re: pganalyze/pg_query_go#145 (comment)).
If we removed #344 (comment), I guess we should also have removed them 🤔

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@lfittl lfittl Jan 28, 2026

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Yeah, that's fair, we can amend the changelog to clarify this.

- This allows gathering certain information, for example which tables are referenced in a
statement, without requiring a Protobuf serialization step in a higher level library
- Additionally this can also be used to perform "smart truncation" of a query by
omitting deeply nested information (e.g. a CTE definition, or a target list) whilst
preserving more essential parts like the FROM clause
- Deparser:
- Introduce pretty printing / formatting
- Introduces a new optional pretty print mode that emits a human readable
output. A detailed explanation of the mechanism can be found at the start
of the deparser file.
- Rework handling of expressions inside typecasts
- Prefer (..)::type syntax, unless we are already in a function call.
- Use lowercase keywords in xmlroot functions
- This matches other XML functions as well as the Postgres documentation,
since these are closer to function argument names than regular keywords.
- Fix deparse of ALTER TABLE a ALTER b SET STATISTICS DEFAULT
- Fix the null pointer dereference when handling identity columns
- Allow alternate definitions of NAMEDATALEN identifier limit
- This allows building libpg_query with an override of the built-time limit of
Postgres identifiers (typically 63 characters)
- Normalization: Add support for CALL statements
- Bump Postgres to 17.7 and switch back to release tarballs
* Deparser: Support pretty-printing and other deparser options
- `PgQuery::ParserResult#deparse` now takes options like `pretty_print`
* Add `PgQuery.split_with_parser` method to allow splitting statements
* Support Ruby 4.0+ development versions for extension building
* Fix ABI version error with TruffleRuby on Mac
* Support finding functions invoked with CALL
* Support null_test and boolean_test node type with parsing
* Expose `PgQuery::ParserResult#find_tree_location` method

## 6.1.0 2025-04-02

* Upgrade to libpg_query 17-6.1.0
Expand Down Expand Up @@ -174,7 +211,7 @@

* Update to libpg_query 13-2.0.6
- Update to Postgres 13.3 patch release
- Normalize: Don't touch "GROUP BY 1" and "ORDER BY 1" expressions, keep original text
- Normalize: Don't touch "GROUP BY 1" and "ORDER BY 1" expressions, keep original text
- Fingerprint: Cache list item hashes to fingerprint complex queries faster
- Deparser: Emit the RangeVar catalogname if present
- Fix crash in pg_scan function when encountering backslash escapes
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2 changes: 1 addition & 1 deletion Gemfile.lock
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@@ -1,7 +1,7 @@
PATH
remote: .
specs:
pg_query (6.1.0)
pg_query (6.2.1)
google-protobuf (>= 3.25.3)

GEM
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -178,11 +178,11 @@ not correctly handle all CTEs, or rewrite columns with explicit table names.

Currently tested and officially supported Ruby versions:

* CRuby 2.7
* CRuby 3.0
* CRuby 3.1
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@keiko713 keiko713 Jan 21, 2026

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3.0 and 3.1 is EOL, maybe in the next release, we can retire them and support 4

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@lfittl lfittl Jan 21, 2026

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I think technically 4.0 is supported now, but its not running in CI.

* CRuby 3.2
* CRuby 3.3
* CRuby 3.4

Not supported:

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2 changes: 1 addition & 1 deletion lib/pg_query/version.rb
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@@ -1,3 +1,3 @@
module PgQuery
VERSION = '6.1.0'.freeze
VERSION = '6.2.1'.freeze
end