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feat(member): resolve custom-field filters and sorting in PostgreSQL

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Push the boolean and date custom-field predicates and custom-field
sorting down to JSONB expressions so the overview stops classifying
custom-field values in memory. A GIN index on custom_field_values.value
keeps the boolean membership predicates index-served.
This commit is contained in:
Simon 2026-07-03 11:19:59 +02:00
parent e64f55c36a
commit b09cdf7f3a
9 changed files with 883 additions and 5 deletions
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17
lib/membership/custom_field_value.ex
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@ -48,6 +48,13 @@ defmodule Mv.Membership.CustomFieldValue do
table "custom_field_values"
repo Mv.Repo
custom_indexes do
# GIN index on the JSONB value to serve boolean custom-field containment
# predicates (`value @> '{"value": <bool>}'`) used by the member overview.
# Default jsonb_ops supports the `@>` operator we rely on.
index ["value"], name: "custom_field_values_value_gin_index", using: "gin"
end
references do
reference :member, on_delete: :delete
reference :custom_field, on_delete: :delete
@ -133,6 +140,16 @@ defmodule Mv.Membership.CustomFieldValue do
calculations do
calculate :value_to_string, :string, expr(value[:value] <> "")
# Typed sort keys for DB-side ordering of the member overview by a custom
# field. The stored JSONB value (`{"type": ..., "value": ...}`) is cast per
# the field's value type so integers sort numerically and dates
# chronologically. Empty strings collapse to NULL so they sort last, matching
# the previous in-memory `CustomFieldSort` behaviour.
calculate :sort_text, :string, expr(fragment("nullif(?->>'value','')", value))
calculate :sort_numeric, :decimal, expr(fragment("nullif(?->>'value','')::numeric", value))
calculate :sort_date, :date, expr(fragment("nullif(?->>'value','')::date", value))
calculate :sort_boolean, :boolean, expr(fragment("nullif(?->>'value','')::boolean", value))
end
# Ensure a member can only have one custom field value per custom field