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Nov 22, 2025
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Add cube translation functions #431

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23 changes: 23 additions & 0 deletions conceptual/EFCore.PG/mapping/translations.md
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Expand Up @@ -275,6 +275,29 @@ ltree.Index(subpath) | index(ltree,
ltree.Index(subpath, 2) | index(ltree, subpath, 2)
LTree.LongestCommonAncestor(ltree1, ltree2) | lca(index(ltree1, ltree2)

## Cube functions

The below translations are for working with cubes from the PostgreSQL [`cube`](https://www.postgresql.org/docs/current/cube.html) extension. Use the <xref:NpgsqlTypes.NpgsqlCube> type to represent cube and invoke methods on it in EF Core LINQ queries.

.NET | SQL
----------------------------------- | --------------------
cube1.Overlaps(cube2) | [cube1 && cube2](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube1.Contains(cube2) | [cube1 @> cube2](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube1.ContainedBy(cube2) | [cube1 <@ cube2](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube.NthCoordinate(n) | [cube -> n + 1](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube.NthCoordinateKnn(n) | [cube ~> n + 1](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube1.Distance(cube2) | [cube1 <-> cube2](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube1.DistanceTaxicab(cube2) | [cube1 <#> cube2](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube1.DistanceChebyshev(cube2) | [cube1 <=> cube2](https://www.postgresql.org/docs/current/cube.html#CUBE-OPERATORS-TABLE)
cube1.Union(cube2) | [cube_union(cube1, cube2)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)
cube1.Intersect(cube2) | [cube_inter(cube1, cube2)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)
cube.Enlarge(r, n) | [cube_enlarge(cube, r, n)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)
cube.Dimensions | [cube_dim(cube)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)
cube.IsPoint | [cube_is_point(cube)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)
cube.ToSubset(indexes) | [cube_subset(cube, indexes + 1)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)
cube.LowerLeft[n] | [cube_ll_coord(cube, n + 1)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)
cube.UpperRight[n] | [cube_ur_coord(cube, n + 1)](https://www.postgresql.org/docs/current/cube.html#CUBE-FUNCTIONS-TABLE)

## Aggregate functions

The PostgreSQL aggregate functions are documented [here](https://www.postgresql.org/docs/current/functions-aggregate.html).
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