Fix sql sanitization of multi geoms

lib/rgeo/active_record.rb

@@ -9,3 +9,4 @@
 require_relative "active_record/arel_spatial_queries"
 require_relative "active_record/common_adapter_elements"
 require_relative "active_record/geometry_mixin"
+require_relative "active_record/multi_geom_sanitization"

lib/rgeo/active_record/multi_geom_sanitization.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+require 'active_support/core_ext/array/wrap'
+
+module MultiGeomSanitization
+  private
+
+  # NOTE connection and value order is swapped in Rails 8
+  def replace_bind_variable(connection, value)
+    if value.class.name.start_with?("RGeo::") && value.respond_to?(:map)
+      super(connection, Array.wrap(value))
+    else
+      super
+    end
+  end
+end
+
+ActiveRecord::Sanitization::ClassMethods.prepend(MultiGeomSanitization)

test/basic_test.rb

@@ -124,6 +124,16 @@ def test_arel_visit_RGeo_ActiveRecord_SpatialNamedFunction_with_distinct
     assert_equal("SPATIAL_FUNC(DISTINCT ST_GeomFromText('POINT (1.0 2.0)'), ST_GeomFromText('LINESTRING (1.0 2.0, 2.0 3.0)'))", sql.value)
   end
 
+  def test_multi_geom_sanitization
+    multi_geom = RGeo::Geos.factory.parse_wkt("MULTIPOLYGON (((0 0, 0 1, 1 1, 0 0)),((1 1, 0 0, 0 1, 1 1)))")
+    sql = "ST_DWithin(geom, :geom, :buffer)"
+
+    assert_equal(
+      "ST_DWithin(geom, 'MULTIPOLYGON (((0 0, 0 1, 1 1, 0 0)), ((1 1, 0 0, 0 1, 1 1)))', '10')",
+      FakeRecord::Base.sanitize_sql([ sql, geom: multi_geom, buffer: 10 ])
+    )
+  end
+
   private
 
   def arel_visitor

test/support/fake_record.rb

@@ -88,6 +88,10 @@ def quote(thing, column = nil)
         "'#{thing.to_s.gsub("'", "\\\\'")}'"
       end
     end
+
+    def cast_bound_value(value)
+      value.to_s
+    end
   end
 
   class ConnectionPool
@@ -123,8 +127,14 @@ def quote(thing, column = nil)
   end
 
   class Base
+    include ActiveRecord::Sanitization
+
     attr_accessor :connection_pool
 
+    def self.with_connection
+      yield new.connection
+    end
+
     def initialize
       @connection_pool = ConnectionPool.new
     end

test/test_helper.rb

@@ -9,6 +9,7 @@
 require "minitest/autorun"
 require "rgeo-activerecord"
 require "support/fake_record"
+require "active_support/core_ext/date/acts_like"
 
 Arel::Visitors::ToSql.include RGeo::ActiveRecord::SpatialToSql
 Arel::Table.engine = FakeRecord::Base.new