Fix partition handling for recent Postgres versions

.ruby-version

@@ -0,0 +1 @@
+3.2.3

lib/activerecord-clean-db-structure/clean_dump.rb

@@ -85,6 +85,7 @@ def run
 
       partitioned_tables.each do |partitioned_table|
         _partitioned_schema_name, partitioned_table_name_only = partitioned_table.split('.', 2)
+        dump.gsub!(/-- Name: #{partitioned_table_name_only}; Type: TABLE ATTACH/, '')
         dump.gsub!(/-- Name: #{partitioned_table_name_only}; Type: TABLE/, '')
         dump.gsub!(/CREATE TABLE #{partitioned_table} \([^;]+;/m, '')
         dump.gsub!(/ALTER TABLE ONLY ([\w_\.]+) ATTACH PARTITION #{partitioned_table}[^;]+;/m, '')
@@ -100,8 +101,8 @@ def run
           dump.gsub!(/ALTER INDEX ([\w_\.]+) ATTACH PARTITION ([\w_]+\.)?#{partitioned_table_index};/, '')
         end
         dump.gsub!(index_regexp, '')
-
-        dump.gsub!(/-- Name: #{partitioned_table}_pkey; Type: INDEX ATTACH\n\n[^;]+?ATTACH PARTITION ([\w_]+\.)?#{partitioned_table}_pkey;/, '')
+        dump.gsub!(/-- Name: #{partitioned_table_name_only}_pkey; Type: INDEX ATTACH/, '')
+        dump.gsub!(/ALTER INDEX ([\w_]+\.)?[\w_]+_pkey ATTACH PARTITION #{partitioned_table}_pkey;/, '')
       end
       # This is mostly done to allow restoring Postgres 11 output on Postgres 10
       dump.gsub!(/CREATE INDEX ([\w]+) ON ONLY/, 'CREATE INDEX \\1 ON')

test/clean_dump_test.rb

@@ -2,34 +2,38 @@
 
 class CleanDumpTest < Minitest::Test
   def test_basic_case
-    assert_cleans_dump "expectations/default_props.sql", {}
+    assert_cleans_dump "data/input.sql", "expectations/default_props.sql"
   end
 
   def test_ignore_ids
-    assert_cleans_dump "expectations/ignore_ids.sql", { ignore_ids: true }
+    assert_cleans_dump "data/input.sql", "expectations/ignore_ids.sql", ignore_ids: true
   end
 
   def test_order_column_definitions
-    assert_cleans_dump "expectations/order_column_definitions.sql", { order_column_definitions: true }
+    assert_cleans_dump "data/input.sql", "expectations/order_column_definitions.sql", order_column_definitions: true
   end
 
   def test_order_schema_migrations_values
-    assert_cleans_dump "expectations/order_schema_migrations_values.sql", { order_schema_migrations_values: true }
+    assert_cleans_dump "data/input.sql", "expectations/order_schema_migrations_values.sql", order_schema_migrations_values: true
   end
 
   def test_indexes_after_tables
-    assert_cleans_dump "expectations/indexes_after_tables.sql", { indexes_after_tables: true }
+    assert_cleans_dump "data/input.sql", "expectations/indexes_after_tables.sql", indexes_after_tables: true
   end
 
   def test_keep_extensions_all
-    assert_cleans_dump "expectations/keep_extensions_all.sql", { keep_extensions: :all }
+    assert_cleans_dump "data/input.sql", "expectations/keep_extensions_all.sql", keep_extensions: :all
+  end
+
+  def test_partitions
+    assert_cleans_dump "data/partitions.sql", "expectations/partitions.sql"
   end
 
   private
 
-  def assert_cleans_dump(expected_output_path, props)
-    cleaner = ActiveRecordCleanDbStructure::CleanDump.new(File.read(File.join(__dir__, "data/input.sql")), props)
+  def assert_cleans_dump(input, output, props = {})
+    cleaner = ActiveRecordCleanDbStructure::CleanDump.new(File.read(File.join(__dir__, input)), props)
     cleaner.run
-    assert_equal File.read(File.join(__dir__, expected_output_path)), cleaner.dump
+    assert_equal File.read(File.join(__dir__, output)), cleaner.dump
   end
 end

test/data/partitions.sql

@@ -0,0 +1,128 @@
+--
+-- Name: autovacuum_run_stats_35d; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.autovacuum_run_stats_35d (
+    autovacuum_run_stats_id uuid DEFAULT public.gen_random_uuid() NOT NULL,
+    server_id uuid,
+    schema_table_id bigint,
+    occurred_at timestamp with time zone NOT NULL
+)
+PARTITION BY RANGE (occurred_at);
+
+--
+-- Name: index_autovacuum_run_stats_35d_on_schema_table_id_occurred_at; Type: INDEX
+--
+
+CREATE INDEX index_autovacuum_run_stats_35d_on_schema_table_id_occurred_at ON public.autovacuum_run_stats_35d USING btree (schema_table_id, occurred_at);
+
+--
+-- Name: index_autovacuum_run_stats_35d_on_server_id_and_occurred_at; Type: INDEX
+--
+
+CREATE INDEX index_autovacuum_run_stats_35d_on_server_id_and_occurred_at ON public.autovacuum_run_stats_35d USING btree (server_id, occurred_at);
+
+--
+-- Name: autovacuum_run_stats_35d_20241026; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.autovacuum_run_stats_35d_20241026 (
+    autovacuum_run_stats_id uuid DEFAULT public.gen_random_uuid() NOT NULL,
+    server_id uuid,
+    schema_table_id bigint,
+    occurred_at timestamp with time zone NOT NULL
+);
+
+--
+-- Name: autovacuum_run_stats_35d_20241026; Type: TABLE ATTACH; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.autovacuum_run_stats_35d ATTACH PARTITION public.autovacuum_run_stats_35d_20241026 FOR VALUES FROM ('2024-10-25 19:00:00-05') TO ('2024-10-26 19:00:00-05');
+
+--
+-- Name: autovacuum_run_stats_35d_20241026 autovacuum_run_stats_35d_20241026_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.autovacuum_run_stats_35d_20241026
+    ADD CONSTRAINT autovacuum_run_stats_35d_20241026_pkey PRIMARY KEY (autovacuum_run_stats_id);
+
+--
+-- Name: autovacuum_run_stats_35d_20241026_server_id_occurred_at_idx; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX autovacuum_run_stats_35d_20241026_server_id_occurred_at_idx ON public.autovacuum_run_stats_35d_20241026 USING btree (server_id, occurred_at);
+
+--
+-- Name: autovacuum_run_stats_35d_2024_schema_table_id_occurred_at_idx25; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX autovacuum_run_stats_35d_2024_schema_table_id_occurred_at_idx25 ON public.autovacuum_run_stats_35d_20241026 USING btree (schema_table_id, occurred_at);
+
+--
+-- Name: autovacuum_run_stats_35d_20241026_server_id_occurred_at_idx; Type: INDEX ATTACH; Schema: public; Owner: -
+--
+
+ALTER INDEX public.index_autovacuum_run_stats_35d_on_server_id_and_occurred_at ATTACH PARTITION public.autovacuum_run_stats_35d_20241026_server_id_occurred_at_idx;
+
+--
+-- Name: schema_table_infos_35d; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.schema_table_infos_35d (
+    schema_table_id bigint NOT NULL,
+    collected_at timestamp with time zone NOT NULL,
+    server_id uuid NOT NULL
+)
+PARTITION BY RANGE (collected_at);
+
+
+ALTER TABLE ONLY public.schema_table_infos_35d
+    ADD CONSTRAINT schema_table_infos_35d_pkey PRIMARY KEY (schema_table_id, collected_at);
+
+--
+-- Name: schema_table_infos_35d_20240920; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.schema_table_infos_35d_20240920 (
+    schema_table_id bigint NOT NULL,
+    collected_at timestamp with time zone NOT NULL,
+    server_id uuid NOT NULL
+);
+
+--
+-- Name: schema_table_infos_35d_20240920; Type: TABLE ATTACH; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.schema_table_infos_35d ATTACH PARTITION public.schema_table_infos_35d_20240920 FOR VALUES FROM ('2024-09-19 19:00:00-05') TO ('2024-09-20 19:00:00-05');
+
+--
+-- Name: schema_table_infos_35d_20240920 schema_table_infos_35d_20240920_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.schema_table_infos_35d_20240920
+    ADD CONSTRAINT schema_table_infos_35d_20240920_pkey PRIMARY KEY (schema_table_id, collected_at);
+
+--
+-- Name: schema_table_infos_35d_20240920_server_id_idx; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX schema_table_infos_35d_20240920_server_id_idx ON public.schema_table_infos_35d_20240920 USING btree (server_id);
+
+--
+-- Name: schema_table_infos_35d_2024092_schema_table_id_collected_at_idx; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX schema_table_infos_35d_2024092_schema_table_id_collected_at_idx ON public.schema_table_infos_35d_20240920 USING btree (schema_table_id, collected_at DESC);
+
+--
+-- Name: schema_table_infos_35d_20240920_pkey; Type: INDEX ATTACH; Schema: public; Owner: -
+--
+
+ALTER INDEX public.schema_table_infos_35d_pkey ATTACH PARTITION public.schema_table_infos_35d_20240920_pkey;
+
+
+--
+-- Name: schema_table_infos_35d_20240920_server_id_idx; Type: INDEX ATTACH; Schema: public; Owner: -
+--
+
+ALTER INDEX public.index_schema_table_infos_35d_on_server_id ATTACH PARTITION public.schema_table_infos_35d_20240920_server_id_idx;

test/expectations/partitions.sql

@@ -0,0 +1,31 @@
+
+-- Name: autovacuum_run_stats_35d; Type: TABLE
+
+CREATE TABLE public.autovacuum_run_stats_35d (
+    autovacuum_run_stats_id uuid DEFAULT public.gen_random_uuid() NOT NULL,
+    server_id uuid,
+    schema_table_id bigint,
+    occurred_at timestamp with time zone NOT NULL
+)
+PARTITION BY RANGE (occurred_at);
+
+-- Name: index_autovacuum_run_stats_35d_on_schema_table_id_occurred_at; Type: INDEX
+
+CREATE INDEX index_autovacuum_run_stats_35d_on_schema_table_id_occurred_at ON public.autovacuum_run_stats_35d USING btree (schema_table_id, occurred_at);
+
+-- Name: index_autovacuum_run_stats_35d_on_server_id_and_occurred_at; Type: INDEX
+
+CREATE INDEX index_autovacuum_run_stats_35d_on_server_id_and_occurred_at ON public.autovacuum_run_stats_35d USING btree (server_id, occurred_at);
+
+-- Name: schema_table_infos_35d; Type: TABLE
+
+CREATE TABLE public.schema_table_infos_35d (
+    schema_table_id bigint NOT NULL,
+    collected_at timestamp with time zone NOT NULL,
+    server_id uuid NOT NULL
+)
+PARTITION BY RANGE (collected_at);
+
+ALTER TABLE ONLY public.schema_table_infos_35d
+    ADD CONSTRAINT schema_table_infos_35d_pkey PRIMARY KEY (schema_table_id, collected_at);
+