[Space Lua] LIQ: Add using ... support to order by

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* support for custom comparators in LIQ `order by` clauses via the
  `using` keyword.

* `using` is mutually exclusive with `asc`/`desc` and accepts either
  a *named function* or an *inline anonymous function*. The comparator
  receives two values and returns true if the first should come before the
  second.

* `nulls first`/ `nulls last` works independently of `using`.

* `using` is now a reserved keyword (`kw`; this cannot be avoided but
  the chance to collide with user scripts is negligable),

* documentation updated + polished a little

Signed-off-by: Matouš Jan Fialka <mjf@mjf.cz>

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This commit is contained in:

Matouš Jan Fialka

2026-03-03 14:47:28 +01:00

parent 82f10fa59f

commit 01dd7c1db4

9 changed files with 400 additions and 55 deletions

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client/space_lua/parse-lua.js

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