add pg16 test, add modifications to adapt to pg16

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
   test:
     strategy:
       matrix:
-        pg: [15, 14, 13, 12, 11, 10]
+        pg: [16, 15, 14, 13, 12, 11, 10]
     name: 🐘 PostgreSQL ${{ matrix.pg }}
     runs-on: ubuntu-latest
     container: pgxn/pgxn-tools

.gitignore

@@ -1,5 +1,8 @@
 *.o
 *.so
+*.dylib
+
+
 sha*.sql.in
 sha*.sql
 sha*.c

expected/parallel_test.out

@@ -1,6 +1,13 @@
 BEGIN;
 SET max_parallel_workers_per_gather=4;
-SET force_parallel_mode=on;
+DO $$
+BEGIN
+    IF current_setting('server_version_num')::int >= 160000 THEN
+        EXECUTE 'SET debug_parallel_query = on';
+    ELSE
+        EXECUTE 'SET force_parallel_mode = on';
+    END IF;
+END $$;
 CREATE TABLE parallel_test(i int, md md5hash, md2 md5hash) WITH (parallel_workers = 4);
 INSERT INTO parallel_test (i, md, md2)
 SELECT i, md5(i::text), md5((i + 1)::text)

expected/parallel_test_0.out

@@ -1,6 +1,13 @@
 BEGIN;
 SET max_parallel_workers_per_gather=4;
-SET force_parallel_mode=on;
+DO $$
+BEGIN
+    IF current_setting('server_version_num')::int >= 160000 THEN
+        EXECUTE 'SET debug_parallel_query = on';
+    ELSE
+        EXECUTE 'SET force_parallel_mode = on';
+    END IF;
+END $$;
 CREATE TABLE parallel_test(i int, md md5hash, md2 md5hash) WITH (parallel_workers = 4);
 INSERT INTO parallel_test (i, md, md2)
 SELECT i, md5(i::text), md5((i + 1)::text)

sql/parallel_test.sql

@@ -1,6 +1,13 @@
 BEGIN;
 SET max_parallel_workers_per_gather=4;
-SET force_parallel_mode=on;
+DO $$
+BEGIN
+    IF current_setting('server_version_num')::int >= 160000 THEN
+        EXECUTE 'SET debug_parallel_query = on';
+    ELSE
+        EXECUTE 'SET force_parallel_mode = on';
+    END IF;
+END $$;
 
 CREATE TABLE parallel_test(i int, md md5hash, md2 md5hash) WITH (parallel_workers = 4);
 INSERT INTO parallel_test (i, md, md2)

src/common.c

@@ -10,6 +10,9 @@
 
 #include "common.h"
 #include "fmgr.h"
+#if PG_VERSION_NUM >= 160000
+#include "varatt.h"
+#endif
 
 PG_MODULE_MAGIC;
 

src/md5.c

@@ -13,6 +13,9 @@
 #include "fmgr.h"
 #include "utils/builtins.h"
 #include "libpq/pqformat.h"
+#if PG_VERSION_NUM >= 160000
+#include "varatt.h"
+#endif
 
 #define MD5_LENGTH	16
 

src/sha.c

@@ -24,6 +24,9 @@
 #ifndef SHA_NAME
 #error No algorithm name defined
 #endif
+#if PG_VERSION_NUM >= 160000
+#include "varatt.h"
+#endif
 
 typedef struct Sha {
 	unsigned char	bytes[SHA_LENGTH];