Packages

ash_postgres

1.3.0-rc.3
2.10.0 2.9.1 2.9.0 2.8.0 2.7.0 2.6.32 2.6.31 2.6.30 2.6.29 2.6.28 2.6.27 2.6.26 2.6.25 2.6.24 2.6.23 2.6.22 2.6.21 2.6.20 2.6.19 2.6.18 2.6.17 2.6.16 2.6.15 2.6.14 2.6.13 2.6.12 2.6.11 2.6.10 2.6.9 2.6.8 2.6.7 2.6.6 2.6.5 2.6.4 2.6.3 2.6.2 2.6.1 2.6.0 2.5.22 2.5.21 2.5.20 2.5.19 2.5.18 2.5.17 2.5.16 2.5.15 2.5.14 2.5.13 2.5.12 2.5.11 2.5.10 2.5.9 2.5.8 2.5.7 2.5.6 2.5.5 2.5.4 2.5.3 2.5.2 2.5.1 2.5.0 2.4.21 2.4.20 2.4.19 2.4.18 2.4.17 2.4.16 2.4.15 2.4.14 2.4.13 2.4.12 2.4.11 2.4.10 2.4.9 2.4.8 2.4.7 2.4.6 2.4.5 2.4.4 2.4.3 2.4.2 2.4.1 2.4.0 2.3.1 2.3.0 2.2.5 2.2.4 2.2.3 2.2.2 2.2.1 2.2.0 2.1.19 2.1.18 2.1.17 2.1.15 2.1.14 2.1.13 2.1.12 2.1.11 2.1.10 2.1.9 2.1.8 2.1.6 2.1.5 2.1.4 2.1.3 2.1.2 2.1.1 2.1.0 2.0.12 2.0.11 2.0.10 2.0.9 2.0.8 2.0.7 2.0.6 2.0.5 2.0.4 2.0.3 2.0.2 2.0.1 2.0.0 2.0.0-rc.15 2.0.0-rc.14 2.0.0-rc.13 2.0.0-rc.12 2.0.0-rc.11 2.0.0-rc.10 2.0.0-rc.9 2.0.0-rc.8 2.0.0-rc.7 2.0.0-rc.6 2.0.0-rc.5 2.0.0-rc.4 2.0.0-rc.3 2.0.0-rc.2 2.0.0-rc.1 2.0.0-rc.0 1.5.30 1.5.29 1.5.28 1.5.27 1.5.26 1.5.25 1.5.24 1.5.23 1.5.22 1.5.21 1.5.20 1.5.19 1.5.18 1.5.17 1.5.16 1.5.15 1.5.14 1.5.13 1.5.12 1.5.11 1.5.10 1.5.9 1.5.8 1.5.7 1.5.6 1.5.5 1.5.4 1.5.3 1.5.2 1.5.1 1.5.0 1.4.0 1.3.68 1.3.67 1.3.66 1.3.65 1.3.64 1.3.63 1.3.62 1.3.61 1.3.60 1.3.59 1.3.58 1.3.56 1.3.55 1.3.54 1.3.53 1.3.52 1.3.51 1.3.50 1.3.49 1.3.48 1.3.47 1.3.46 1.3.45 1.3.44 1.3.43 1.3.42 1.3.41 1.3.40 1.3.39 1.3.38 1.3.37 1.3.36 1.3.35 1.3.34 1.3.33 1.3.32 1.3.31 1.3.30 1.3.29 1.3.28 1.3.26 1.3.25 1.3.24 1.3.23 1.3.22 1.3.21 1.3.20 1.3.19 1.3.18 1.3.17 1.3.16 1.3.15 1.3.14 1.3.12 1.3.11 1.3.10 1.3.9 1.3.8 1.3.6 1.3.5 1.3.4 1.3.3 1.3.2 1.3.1 1.3.0 1.3.0-rc.4 1.3.0-rc.3 1.3.0-rc.2 1.3.0-rc.0 1.2.6 1.2.5 1.2.4 1.2.3 1.2.2 1.2.1 1.2.0 1.2.0-rc.1 1.2.0-rc.0 1.1.3 1.1.2 1.1.1 1.1.0 1.0.0 1.0.0-rc.9 1.0.0-rc.8 1.0.0-rc.7 1.0.0-rc.6 1.0.0-rc.5 1.0.0-rc.4 1.0.0-rc.3 1.0.0-rc.2 1.0.0-rc.1 1.0.0-rc.0 1.0.0-pre.3 1.0.0-pre.2 1.0.0-pre.1 1.0.0-pre.0 0.43.0 0.42.0-rc.7 0.42.0-rc.6 0.42.0-rc.5 0.42.0-rc.4 0.42.0-rc.3 0.42.0-rc.1 0.42.0-rc.0 0.41.7 0.41.6 0.41.5 0.41.4 0.41.3 0.41.2 0.41.1 0.41.0-rc0 retired 0.41.0-rc.9 0.41.0-rc.8 0.41.0-rc.7 0.41.0-rc.6 0.41.0-rc.5 0.41.0-rc.4 0.41.0-rc.3 0.41.0-rc.2 0.41.0-rc.1 0.41.0-rc.0 0.40.11 0.40.10 0.40.9 0.40.8 0.40.7 0.40.6 0.40.5 0.40.4 0.40.3 0.40.2 0.40.1 0.40.0-rc5 0.40.0-rc4 0.40.0-rc3 0.40.0-rc2 0.40.0-rc1 0.39.0-rc0 0.38.11 0.38.10 0.38.9 0.38.8 0.38.7 0.38.6 0.38.5 0.38.4 0.38.3 0.38.2 0.38.1 0.38.0 0.37.8 0.37.7 0.37.6 0.37.5 0.37.4 0.37.3 0.37.2 0.37.1 0.37.0 0.36.5 0.36.4 0.36.3 0.36.2 0.36.1 0.36.0 0.35.5 0.35.4 0.35.3 0.35.1 0.34.5 0.34.4 0.34.3 0.34.2 0.34.1 0.34.0 0.33.1 0.33.0 0.32.2 0.32.1 0.32.0 0.31.1 0.30.1 0.29.6 0.29.5 0.29.4 0.29.3 0.29.2 0.29.1 0.28.1 0.28.0 0.27.0 0.26.2 0.26.1 0.26.0 0.25.5 0.25.4 0.25.3 0.25.2 0.25.1 0.25.0 0.24.0 0.23.2 0.23.1 0.23.0 0.22.1 0.22.0 0.21.0 0.20.1 0.20.0 0.19.0 0.18.0 0.17.0 0.16.1 0.15.0 0.14.0 0.13.0 0.12.1 0.12.0 0.11.2 0.10.0 0.9.0 0.8.0 0.7.0 0.6.0 0.5.0 0.4.0 0.3.0 0.2.1 0.2.0 0.1.4 0.1.3 0.1.2 0.1.1 0.1.1-rc.2 0.1.1-rc.1 0.1.1-rc.0 0.1.0

The PostgreSQL data layer for Ash Framework

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ash_postgres lib calculation.ex
Raw

lib/calculation.ex

defmodule AshPostgres.Calculation do
@moduledoc false
require Ecto.Query
def add_calculations(query, [], _), do: {:ok, query}
def add_calculations(query, calculations, resource) do
query = AshPostgres.DataLayer.default_bindings(query, resource)
aggregates =
calculations
|> Enum.flat_map(fn {_calculation, expression} ->
used_calculations =
Ash.Filter.used_calculations(
expression,
query.__ash_bindings__.resource,
[]
)
AshPostgres.Aggregate.used_aggregates(
expression,
query.__ash_bindings__.resource,
used_calculations,
[]
)
end)
|> Enum.uniq()
case AshPostgres.Aggregate.add_aggregates(
query,
aggregates,
query.__ash_bindings__.resource,
false
) do
{:ok, query} ->
query =
if query.select do
query
else
Ecto.Query.select_merge(query, %{})
end
dynamics =
Enum.map(calculations, fn {calculation, expression} ->
expr =
AshPostgres.Expr.dynamic_expr(
query,
expression,
query.__ash_bindings__,
false,
AshPostgres.Types.parameterized_type(
calculation.type,
Map.get(calculation, :constraints, [])
)
)
{calculation.load, calculation.name, expr}
end)
{:ok, add_calculation_selects(query, dynamics)}
{:error, error} ->
{:error, error}
end
end
defp add_calculation_selects(query, dynamics) do
{in_calculations, in_body} =
Enum.split_with(dynamics, fn {load, _name, _dynamic} -> is_nil(load) end)
calcs =
in_body
|> Map.new(fn {load, _, dynamic} ->
{load, dynamic}
end)
calcs =
if Enum.empty?(in_calculations) do
calcs
else
Map.put(
calcs,
:calculations,
Map.new(in_calculations, fn {_, name, dynamic} ->
{name, dynamic}
end)
)
end
Ecto.Query.select_merge(query, ^calcs)
end
end