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CHANGELOG.md

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Changelog

v0.11.0

Breaking changes:

  • RenderedQuery now has a third member, parameter_names. This will be a breaking change if you're splatting it.

New stuff:

  • Dialects and Overrides will be inferred from previous queries where possible.
  • RenderedQuery now has a third member, parameter_names.

Deprecations:

  • csql.Overrides moved to csql.overrides.Overrides.

v0.10.0

Breaking changes:

  • Implementations of Cacher._persist should no longer be declared as async.

v0.9.0

Breaking changes:

  • Queries and Parameters are now immutable. This makes a bunch of stuff simpler for me and avoids a couple of bugs. There are possibly race conditions related to id() usage that are also now all gone, woohoo. This does mean parameter values must be hashable, but there's a check in there to turn any lists/seq etc into a tuple, and I'm not sure what else you'd run into frequently that would hit this.
  • Drop Python 3.6 and 3.7 support... sorry :( 3.10 added to CI as well.
  • Passing parameters to Q(sql, params) is removed (was deprecated ages ago).
  • Passing a lambda to Q(lambda: f'sql') is removed (was deprecated ages ago).

New stuff:

  • Implement Extensions and Replacers system - this is considered internal for now but it's quite general purpose, you may be able to do some fun stuff with it. (everybody wants an ECS implementation in their SQL preprocessor, right?)
  • Implement query persistance/caching using extensions/replacers
  • Refactor reparameterization to use extensions/replacers

Deprecations:

  • ParameterList is deprecated in the public API - it was only ever really a type alias, so you probably have no need to import it, but it can sneak in with autoimport in IDEs and stuff, so I'm not removing it right away...

v0.8.0

  • add parameters.add()
  • fix for preview_pd
  • make parameterlist look like a list

v0.7.0

  • implement Overrides system as a hook to supply your own weird renderers and stuff (e.g. i'm using it in another project to render as a UDF body, where params need to look like :param.)

v0.6.0

  • implement reparameterization (so you can run your queries with different params to their original values)

v0.5.0

  • implement Dialects for where we need to know about SQL dialects (param styles, limit method I think is all atm)

v0.4.0

  • add .db() renderer -> (sql, params) to pass to dbapi like execute(*.db())

v0.3.2

  • patch release to remove extraneous print

v0.3.1

  • make big queries format more nicely by using textwrap.dedent() and indent() - i haven't tested in a huge amount of cases and I probably can't make every possible query beautiful, but most things should look a bit better now.

v0.3.0

  • allow parameters to be called as attributes as well as keys ( p.myparam vs p['myparam'] ) (thanks @tomfunk)

  • Implement string parsing as an alternative to AST manipulation, so Q(lambda: f"select 1 from {q}") can now be written as Q(f"select 1 from {q}") (thanks @alexmojaki)