Fix 'db-djv-pg dbinfo -c' error on PostgreSQL 11 (Raspbian)

denis-stepanov · Dec 22, 2022 · d20a12c · d20a12c
1 parent bc0565e
commit d20a12c
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/db_djv_pg/db_djv_pg.py b/db_djv_pg/db_djv_pg.py
@@ -527,9 +527,16 @@ def main():
                     "D0040: fingerprint hashes of variable size")
                 db_problem = db_problem or res
 
-                res = db_check(cur,
-                    "SELECT n_ins_since_vacuum + n_dead_tup FROM pg_stat_user_tables WHERE relname = 'fingerprints'",
-                    "D0100: vacuum needed")
+                # Need to take into account older Postgres
+                cur.execute("SELECT column_name FROM information_schema.columns WHERE table_name = 'pg_stat_user_tables' AND column_name = 'n_ins_since_vacuum'")
+                if cur.rowcount != 0:
+                    res = db_check(cur,
+                        "SELECT n_ins_since_vacuum + n_dead_tup FROM pg_stat_user_tables WHERE relname = 'fingerprints'",
+                        "D0100: vacuum needed")
+                else:
+                    res = db_check(cur,
+                        "SELECT n_dead_tup FROM pg_stat_user_tables WHERE relname = 'fingerprints'",
+                        "D0100: vacuum needed")
                 db_problem = db_problem or res
 
                 ## AdVent-specific checks