Adding support for citext[] arrays.

db/migrations/20230912145332_add_array_citext_to_buckets.cr

@@ -0,0 +1,13 @@
+class AddArrayCitextToBuckets::V20230912145332 < Avram::Migrator::Migration::V1
+  def migrate
+    alter table_for(Bucket) do
+      add tags : Array(String), default: [] of String, case_sensitive: false
+    end
+  end
+
+  def rollback
+    alter table_for(Bucket) do
+      remove :tags
+    end
+  end
+end

spec/avram/queryable_spec.cr

@@ -1203,6 +1203,14 @@ describe Avram::Queryable do
         query.select_count.should eq(1)
         query.first.id.should eq(bucket2.id)
       end
+
+      it "queries with citext strings" do
+        BucketFactory.create &.tags(["ONE", "two", "tHrEe"])
+
+        BucketQuery.new.tags.includes("one").select_count.should eq(1)
+        BucketQuery.new.tags.includes("tWo").select_count.should eq(1)
+        BucketQuery.new.tags.includes("THRee").select_count.should eq(1)
+      end
     end
   end
 

spec/support/models/bucket.cr

@@ -8,5 +8,8 @@ class Bucket < BaseModel
     column names : Array(String) = [] of String
     column floaty_numbers : Array(Float64) = [] of Float64
     column oody_things : Array(UUID) = [] of UUID
+
+    # These are citext strings
+    column tags : Array(String) = [] of String
   end
 end