Pglast

~~~~~~~~~~~~~~~~

- No visible changes

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- Upgrade libpg_query to `17-6.0.0`__

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- No visible changes with respect to v6, apart from the support for new/revised syntaxes of
`PostgreSQL 17`__

__ https://www.postgresql.org/docs/17/release-17.html

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**Breaking changes**
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- Target PostgreSQL 17, thanks to libpg_query `17-latest-dev`__

__ https://github.com/pganalyze/libpg_query/tree/17-latest-dev

- Require Python >= 3.9


Version 6

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- Better fix to the ``x AT TIME ZONE foo`` glitch, v6.12 solution was incomplete

~~~~~~~~~~~~~~~~~

- Properly wrap ``x AT TIME ZONE foo`` in parens when it is the argument of a ``DEFAULT``
constraint

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- Remove spurious trailing space in the ``ConstrTypePrinter.CONSTR_IDENTITY`` and the
``Constraint`` printers (issue `165`__)

__ https://github.com/lelit/pglast/issues/165